Publications

Published papers

Chappell E, Lyall H, Riordan A, Thorne C, Foster C, Butler K, Prime K, Bamford A, Peters H, Judd A, Collins IJ on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. The cascade of care for children and adolescents with HIV in the UK and Ireland, 2010 to 2016. Journal of the International AIDS Society. 2019; 22(9): e25379. doi: 10.1002/jia2.25379

Fidler KJ, Foster C, Lim EJ, Patel A, Welch S, Menson E, Klein N, Judd A; Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Reactivity of routine HIV antibody tests in children with perinatally acquired HIV-1 in England: cross-sectional analysis. Paediatric Infectious Disease Journal. 2019; 38(2): 146-148. doi:10.1097/INF.0000000000002143

Innes S, Harvey J, Collins IJ, Cotton MF, Judd A. Lipoatrophy/lipohypertrophy outcomes after antiretroviral therapy switch in children in the UK/ Ireland. PLOS One. 2018; 13(4): e0194132. doi: 10.1371/journal.pone.0194132.

Collins I J, Foster C, Tostevin A, Tookey P, Riordan A, Dunn D, Gibb DM, Judd A on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Clinical status of adolescents with perinatal HIV at transfer to adult care in the UK/Ireland. Clinical Infectious Diseases. 2017; 64(8): 1105-1112. doi: 10.1093/cid/cix063

Kenny K, Doerholt K, Gibb DM, Judd A on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Who gets severe gynaecomastia among HIV-infected children in the UK and Ireland? Paediatric Infectious Disease Journal. 2017; 36 (3): 307-310. doi: 10.1097/INF.0000000000001424

Turkova, A, Chappell E, Judd A Goodall R, Welch SB, Foster C, Riordan A, Shingadia D, Shackley F, Doerholt K, Gibb DM, Collins IJ for the Collaborative HIV Paediatric Study (CHIPS) Steering Committee.  Prevalence, incidence, and associated risk factors of tuberculosis in children with HIV living in the UK and Ireland (CHIPS): a cohort study. Lancet HIV. 2015; 2(12): p. e530-e539. doi: 10.1016/S2352-3018(15)00200-3

Childs T, Shingadia D, Goodall R, Doerholt K, Lyall H, Duong T, Judd A, Gibb DM, Collins IJ. Outcomes after viral load rebound on first-line antiretroviral therapy in HIV-infected children in the UK/ Ireland: an observational cohort study. Lancet HIV. 2015; 2(4): p. e151-e158. doi: 10.1016/S2352-3018(15)00021-1

Payne H, Judd A¸ Donegan K, Okike IO, Ladhani S, Doerholt K, Heath PT. Incidence of pneumococcal and varicella disease in HIV-infected children and adolescents in the UK and Ireland, 1996-2011: two potentially vaccine-preventable infections. Paediatric Infectious Disease Journal. 2015; 34(2): 149-154. doi: 10.1097/INF.0000000000000476

Duong T, Judd A, Collins IJ, Doerholt K, Lyall H, Foster C, Butler K, Tookey P, Shingadia D, Menson E, Dunn DT, Gibb DM; Collaborative HIV Paediatric Study Steering Committee. Long-term virological outcome in children on antiretroviral therapy in the UK and Ireland. AIDS. 2014; 28(16): 2395-405. doi: 10.1097/QAD.0000000000000438

Fish R, Judd A, Jungmann E, O’Leary C, Foster C. on behalf of the HIV Young Persons Network (HYPNet). Mortality amongst HIV-infected young people following transition to adult care: an HIV Young Persons Network (HYPNet) audit. HIV Medicine. 2014; 15(4): 239-44. doi: 10.1111/hiv.12091

Gkentzi D, Tebruegge M, Tudor-Williams G, Walters S, Lyall H, Sharland M, Doerholt K. Incidence, spectrum and outcome of immune reconstitution syndrome in HIV-infected children following initiation of antiretroviral therapy. Pediatric Infectious Disease Journal. 2014; 33(9): 953-958. doi: 10.1097/INF.0000000000000331

Donegan K, Doerholt K, Judd A, Lyall H, Menson E, Butler K, Tookey P, Riordan A, Shingadia D, Tudor-Williams G, Gibb DM, Walker AS, on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Lopinavir dosing in HIV-infected children in the UK and Ireland. Paediatric Infectious Disease Journal. 2013; 32(1): 45-50. doi: 10.1097/INF.0b013e31827842c9

Kenny J, Musiime V, Judd A, Gibb D. Recent advances in pharmacovigilance of antiretroviral therapy in HIV-infected and exposed children. Current Opinion in HIV and AIDS. 2012; 7(4):305-16. doi: 10.1097/COH.0b013e328354da1d

Donegan KL, Walker AS, Dunn D, Judd A, Pillay D, Menson E, Lyall H, Tudor-Williams G, Gibb DM on behalf of the Collaborative HIV Paediatric Study and the UK HIV Drug Resistance Database. The prevalence of darunavir associated mutations in HIV-1 infected children in the UK. Antiviral Therapy. 2012; 17: 599-603. doi: 10.3851/IMP2015

Judd A, Boyd K, Stohr W, Dunn D, Butler K, Lyall EGH, Sharland M, Shingadia D, Riordan A, Gibb DM. Effect of tenofovir disoproxil fumarate (TDF) on risk of renal abnormality in HIV-1 infected children on antiretroviral therapy: a nested case-control study. AIDS. 2010; 24(4): 525-534. doi: 10.1097/QAD.0b013e3283333680

Judd A, Ferrand RA, Jungmann E, Foster C, Masters J, Rice B, Lyall H, Tookey PA, Prime K. Vertically acquired HIV diagnosed in adolescence and early adulthood in the UK and Ireland: findings from national surveillance. HIV Medicine. 2009; 10(4): 253-256. doi:10.1111/j.1468-1293.2008.00676.x

Foster C, Judd A, Tookey P, Tudor-Williams G, Dunn D, Shingadia D, Butler K, Sharland M, Gibb D, Lyall H. Young people in the UK and Ireland with perinatally acquired HIV: the paediatric legacy for adult services. AIDS Patient Care and STDs. 2009; 23(3): 159-166. doi: 10.1089/apc.2008.0153

Riordan A, Judd A, Boyd K, Cliff D, Doerholt K, Lyall H, Menson E, Butler K, Gibb D; Collaborative HIV Paediatric Study. Tenofovir use in human immunodeficiency virus-1-infected children in the United Kingdom and Ireland. Paediatric Infectious Disease Journal. 2009; 28(3): 204-9. doi: 10.1097/INF.0b013e31818c8d2c

Kekitiinwa A, Lee KJ, Walker AS, Maganda A, Doerholt K, Kitaka S, Asiimwe A, Judd A, Musoke P, Gibb DM, on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Differences in factors associated with initial growth, CD4 and viral load response to ART in Ugandan and UK/Irish HIV-infected children. Journal of Acquired Immune Deficiency Syndromes. 2008; 49(4): 384-392. doi: 10.1097/QAI.0b013e31818cdef5

Chakraborty R, Smith CJ, Dunn D, Green H, Duong T, Doerholt K, Riordan A, Lyall H, Tookey P, Butler K, Sabin C, Gibb DM, Pillay D, Collaborative HIV Paediatric Study; UK Collaborative Group on HIV Drug Resistance. HIV-1 drug resistance in HIV-1 infected children in the United Kingdom from 1998 to 2004. Paediatric Infectious Disease Journal. 2008; 27(5): 457-459. doi: 10.1097/INF.0b013e3181646d6f

Lee KJ, Shingadia D, Pillay D, Walker AS, Riordan A, Menson E, Duong T, Tudor-Williams G, Gibb DM; Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Transient viral load increases in HIV-infected children in the UK and Ireland: what do they mean? Antiviral Therapy. 2007; 12(6): 949-56. PMID:

Judd A, Doerholt K, Tookey PA, Sharland M, Riordan A, Menson E, Novelli V, Lyall EG, Masters J, Tudor-Williams G, Duong T, Gibb DM; Collaborative HIV Paediatric Study (CHIPS); National Study of HIV in Pregnancy and Childhood (NSHPC). Morbidity, mortality, and response to treatment by children in the United Kingdom and Ireland with perinatally acquired HIV infection during 1996-2006: planning for teenage and adult care. Clinical Infectious Diseases. 2007; 45(7): 918-24. doi: 10.1086/521167

Menson EN, Walker AS, Sharland M, Wells C, Tudor-Williams G, Riordan FAI, Lyall EGH, Gibb DM, for the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Underdosing of antiretrovirals in UK and Irish children with HIV as an example of problems in prescribing medicines to children, 1997-2005: cohort study. British Medical Journal. 2006; 332: 1183-1187. doi: 10.1136/bmj.332.7551.1183

Doerholt K, Duong T, Tookey P, Butler K, Lyall H, Sharland M, Novelli V, Riordan A, Dunn D, Walker AS, Gibb DM, Collaborative HIV Paediatric Study. Outcomes for human immunodeficiency virus-1-infected infants in the United Kingdom and Republic of Ireland in the era of effective antiretroviral therapy. Pediatric Infectious Disease Journal. 2006; 25(5): 420-426. doi: 10.1097/01.inf.0000214994.44346.d3

Walker AS, Doerholt K, Sharland M, Gibb DM, for the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Response to highly active antiretroviral therapy varies with age: the UK and Ireland Collaborative HIV Paediatric Study. AIDS. 2004; 18(14): 1915-1924. doi: 10.1097/00002030-200409240-00007

Gibb DM, Duong T, Leclezio VA, Walker AS, Verweel G, Dunn DT, for the Collaborative HIV Paediatric Study (CHIPS) Steering Committee and Sophia Children’s Hospital, Rotterdam, The Netherlands. Immunological changes during unplanned treatment interruptions of highly active antiretroviral therapy in children with human immunodeficiency virus type 1 infection. Paediatric Infectious Disease Journal. 2004; 23(5): 446-450. doi: 10.1097/01.inf.0000122601.62358.74

Gibb DM, Duong T, Tookey PA, Sharland M, Tudor-Williams G, Novelli V, Butler K, Riordan A, Farrelly L, Masters J, Peckham CS, Dunn DT, on behalf of the National Study of HIV in Pregnancy and Childhood (NSHPC) and the Collaborative HIV Paediatric Study (CHIPS). Decline in mortality, AIDS and hospital admissions in perinatally HIV-1 infected children in the UK and Ireland. British Medical Journal. 2003; 327: 1019. doi: 10.1136/bmj.327.7422.1019

 

Judd A, Melvin D, Thompson LC, Foster C, Le Prevost M, Evangeli M, Winston A, Arenas-Pinto A, Sturgeon K, Rowson K, Gibb DM, Castro H, on behalf of the Adolescents and Adults Living with Perinatal HIV (AALPHI) Steering Committee. Factors associated with nonadherence to antiretroviral therapy among young people living with perinatally acquired HIV in England. Journal of the Association of Nurses in AIDS Care. 2020; 31(5): 574-586. doi:10.1097/JNC.0000000000000171

Sturgeon K, Castro H, Le Prevost M, Thompson L, Chappell E, Foster C, Rowson K, Brice S, Gibb DM, Judd A, on behalf of the Adolescents and Adults Living with Perinatal HIV (AALPHI) Steering Committee. Experiences of transition to adult care and readiness to self-manage care in young people with perinatal HIV in England. HIV Nursing. 2020; 20(1): 8-14.

Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Global Cohort Collaboration. Outcomes of second line antiretroviral therapy among children living with HIV: a global cohort analysis. Journal of the International AIDS Society. 2020; 23(4): 25477. doi 10.1002/jia2.25477

Copelyn J, Thompson LC, Le Prevost M, Castro H, Sturgeon K, Rowson K, Brice S, Foster C, Gibb DM, Judd A, on behalf of the Adolescents and Adults Living with Perinatal HIV (AALPHI) Steering Committee. Self-harm in young people with perinatal HIV and HIV negative young people in England: cross sectional analysis. BMC Public Health. 2019; 19(1): 1165. doi: 10.1186/s12889-019-7424-7

European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC). Height and timing of growth spurt during puberty in young people living with vertically acquired HIV in Europe and Thailand. AIDS. 2019; 33(12): 1897-1910. doi: 10.1097/QAD.0000000000002294

European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) Study Group in EuroCoord. Prevalence and clinical outcomes of poor immune response despite virologically suppressive antiretroviral therapy among children and adolescents with Human Immunodeficiency Virus in Europe and Thailand: cohort study. Clinical Infectious Diseases. 2020; 70(3): 404-415. doi: 10.1093/cid/ciz253

European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC). CD4 recovery following antiretroviral treatment interruptions in children and adolescents with HIV in Europe and Thailand. HIV Med. 2019; 20(7): 456-472. doi: 10.1111/hiv.12745

European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) and Early-treated Perinatally HIV-infected Individuals: Improving Childrenʼs Actual Life with Novel Immunotherapeutic Strategies (EPIICAL) study groups. Predictors of faster virological suppression in early treated infants with perinatal HIV from Europe and Thailand. AIDS. 2019; 33(7): 1155-165. doi: 10.1097/QAD.0000000000002172

Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Global Cohort Collaboration. Incidence of switching to second-line antiretroviral therapy and associated factors in children with HIV: an international cohort collaboration. Lancet HIV. 2019; 6(2): e105-e115. doi: 10.1016/S2352-3018(18)30319-9

Judd A, Davies M-A. Adolescent transition among young people with perinatal HIV in high and low income settings. Current Opinion in HIV and AIDS. 2018; 13(3): 236-248. DOI: 10.1097/COH.0000000000000448

Collins IJ, Turkova A. Outcomes in children on raltegravir: a story of two halves. Lancet HIV. 2018; 5(12): e676-e678. doi: 10.1016/S2352-3018(18)30332-1

Judd A, Foster C, Thompson LC, Sturgeon K, Le Prevost M, Jungmann E, Rowson K, Castro H, Gibb DM, on behalf of Adolescents and Adults Living with Perinatal HIV (AALPHI) Steering Committee. Sexual health of young people with perinatal HIV and HIV negative young people in England. PLoS One. 2018; 13(10): e0205597. doi:10.1371/journal.pone.0205597

Sohn AH, Judd A, Mofenson L, Vicari M, Jerene D, Leroy V, Bekker LG, Davies MA. Using observational data to inform HIV policy change for children and youth. Journal of Acquired Immune Deficiency Syndrome. 2018; 78 Suppl 1(1): S22-S26. doi: 10.1097/QAI.0000000000001745

Tagarro A, Chan M, Zangari P, Ferns B, Foster C, De Rossi A, Nastouli E, Muñoz-Fernández MA, Gibb D, Rossi P, Giaquinto C, Babiker A, Fortuny C, Freguja R, Cotugno N, Judd A, Noguera-Julian A, Navarro ML, Mellado MJ, Klein N, Palma P, Rojo P. Early and highly suppressive antiretroviral therapy are main factors associated with low viral reservoir in European perinatally HIV-infected children. Journal of Acquired Immune Deficiency Syndrome. 2018; 79(2): 269-276. doi:  10.1097/QAI.0000000000001789

Le Prevost M, Arenas-Pinto A, Melvin D, Parrott F, Foster C, Ford D, Evangeli M, Winston A, Sturgeon K, Rowson K, Gibb DM, Judd A, on behalf of Adolescents and Adults Living with Perinatal HIV (AALPHI) Steering Committee. Anxiety and depression symptoms in young people with perinatally acquired HIV and HIV affected young people in England. AIDS Care. 2018; 30(8): 1040-1049. doi: 10.1080/09540121.2018.1441972

Collaborative Initiative for Paediatric Education and Research (CIPHER) Global Cohort Collaboration. The epidemiology of adolescents living with perinatally-acquired HIV: a cross-region global cohort analysis. PLOS Medicine. 2018; 15(3): e1002514. doi: 10.1371/journal.pmed.10002514

CIPHER Global Cohort Collaboration. Inequality in outcomes for adolescents living with perinatally acquired HIV in sub-Saharan Africa: a Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Cohort Collaboration analysis. Journal of the International AIDS Society. 2018; 21 Suppl 1: e25044. doi: 10.1002/jia2.25044

European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC). Long term trends in mortality and AIDS-defining events after combination ART initiation among children and adolescents with perinatal HIV in Europe and Thailand. PLOS Medicine. 2018; 15: e1002491. doi: 10.1371/journal.pmed.1002491

The IeDEA and COHERE Cohort Collaborations. Global trends in CD4 count at start of antiretroviral treatment: collaborative study of treatment programs. Clinical Infectious Diseases. 2018; 66(6): 893-903. doi: 10.1093/cid/cix915

European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC). Time to switch to second-line antiretroviral therapy in children with HIV in Europe and Thailand. Clinical Infectious Diseases. 2017; 66(4): 594-603. doi: 10.1093/cid/cix854

Judd A, Violari A. Does community support help children take their ART? Lancet Child Adolescent Health. 2017;1(3): 160-161. doi: 10.1016/S2352-4642(17)30093-7

The COHERE in EuroCoord and ACHIeV2e Study Group. Comparison of CD4 cell response to first line combined antiretroviral treatment adjusted for pre-treatment viral load in HIV-2 and HIV-1 infected patients - a multinational multicohort Study. Journal of Antimicrobial Chemotherapy. 2017: 72(10): 2869–878. doi: 10.1093/jac/dkx210

Judd A, Collins IJ, Parrott F, Hill T, Jose S, Ford D, Asad H, Gibb DM, Sabin C. Growing up with perinatal HIV: changes in clinical outcomes before and after transfer to adult care in the UK. Journal of the International AIDS Society. 2017; 20(Suppl 3): 21577. doi: 10.7448/IAS.20.4.21577

Judd A, Lodwick R, Noguera-Julian A, Gibb DM, Butler K, Costagliola D, Sabin C, van Sighem A, Ledergerber B, Torti C, Mocroft A, Podzamczer D, Dorrucci M, De Wit S, Obel N, Dabis F, Cozzi-Lepri A, García F, Brockmeyer NH, Warszawski J, Gonzalez-Tome MI, Mussini C, Touloumi G, Zangerle R, Ghosn J, Castagna A, Fätkenheuer G, Stephan C, Meyer L, Campbell MA, Chene G, Phillips A; Pursuing Later Treatment Options II (PLATO II) Project Team for the Collaboration of Observational HIV Epidemiological Research Europe (COHERE) in EuroCoord. Higher rates of triple-class virological failure in perinatally HIV-infected teenagers compared with heterosexually infected young adults in Europe. HIV Medicine. 2017; 18 (3): 171-180. doi: 10.1111/hiv.12411

Writing Group for the Kids to Adults Working Group and Data Management and Harmonisation Group in EuroCoord. Children and young people with perinatal HIV in Europe: epidemiological situation in 2014 and implications for the future. Eurosurveillance. 2016; 21(10): pii=30162. doi: 10.2807/1560-7917.ES.2016.21.10.30162

European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) study group in EuroCoord. Safety of zidovudine/lamivudine scored tablets in children with HIV infection in Europe and Thailand. European Journal of Clinical Pharmacology. 2017; 73(4): 463-468. doi: 10.1007/s00228-016-2182-2

Ngo-Giang-Huong N, Wittkop L, Judd A, Reiss P, Goetghebuer T, Duiculescu D, Noguera-Julian A, Marczynska M, Giacquinto C, Ene L, Ramos JT, Cellerai C, Klimkait T, Brichard B, Valerius N, Sabin C, Teira R, Obel N, Stephan C, de Wit S, Thorne C, Gibb D, Schwimmer C, Campbell MA, Pillay D, Lallemant M, on behalf of the EuroCoord-CHAIN-EPPICC joint project study group. Prevalence and effect of pre-treatment drug resistance on the virological response to antiretroviral treatment initiated in HIV-infected children - a EuroCoord-CHAIN-EPPICC joint project. BMC Infectious Diseases. 2016; 16(1): 654. doi: 10.1186/s12879-016-1968-2

The Pediatric AIDS-defining Cancer Project Working Group for IeDEA Southern Africa TApHOD and COHERE in EuroCoord. Kaposi Sarcoma risk in HIV-infected children and adolescents on combination antiretroviral therapy from sub-Saharan Africa, Europe and Asia. Clinical Infectious Diseases. 2016; 63(9): 1245-1253. doi: 10.1093/cid/ciw519

Schomaker M, Leroy V, Wolfs T, Technau KG, Renner L, Judd A, Sawry S, Amorissani-Folquet M, Noguera-Julian A, Tanser F, Eboua F, Navarro ML, Chimbetete C, Amani-Bosse C, Warszawski J, Phiri S, N'Gbeche S, Cox V, Koueta F, Giddy J, Sygnaté-Sy H, Raben D, Chêne G, Davies MA; IeDEA West and Southern Africa regional collaborations and COHERE in EuroCoord. Optimal timing of antiretroviral treatment initiation in HIV-positive children and adolescents: a multiregional analysis from Southern Africa, West Africa and Europe. International Journal of Epidemiology. 2017; 46(2): 453-465. doi: 10.1093/ije/dyw097

Judd A, Lodwick R, Noguera-Julian A, Gibb DM, Butler K, Costagliola D, Sabin C, van Sighem A, Ledergerber B, Torti C, Mocroft A, Podzamczer D, Dorrucci M, De Wit S, Obel N, Dabis F, Cozzi-Lepri A, García F, Brockmeyer NH, Warszawski J, Gonzalez-Tome MI, Mussini C, Touloumi G, Zangerle R, Ghosn J, Castagna A, Fätkenheuer G, Stephan C, Meyer L, Campbell MA, Chene G, Phillips A; Pursuing Later Treatment Options II (PLATO II) Project Team for the Collaboration of Observational HIV Epidemiological Research Europe (COHERE) in EuroCoord. Higher rates of triple-class virological failure in perinatally HIV-infected teenagers compared with heterosexually infected young adults in Europe. HIV Medicine. 2017; 18(3): 171-180. doi: 10.1111/hiv.12411

Judd A, Le Prevost M, Melvin D, Arenas-Pinto A, Parrott F, Winston A, Foster C, Sturgeon K, Rowson K, Gibb DM; Adolescents and Adults Living With Perinatal HIV (AALPHI) Steering Committee. Cognitive function in young persons with and without perinatal HIV in the AALPHI cohort in England: role of non-HIV-related factors. Clinical Infectious Diseases. 2016; 63(10): 1380-1387. doi: 10.1093/cid/ciw56

The European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) in EuroCoord. Safety of darunavir and atazanavir in HIV-infected children in Europe and Thailand. Antiviral Therapy. 2016. 21(4): 353-358. doi: 10.3851/IMP3008.

Collins IJ, Judd A, Gibb DM. Immediate antiretroviral therapy in young HIV-infected children: benefits and risks. Current Opinion in HIV/AIDS. 2014; 9(1): 87-94. doi: 10.1097/COH.0000000000000027

Engsig FN, Zangerle R, Katsarou O, Dabis F, Reiss P, Gill J, Porter K, Sabin C, Riordan A, Fätkenheuer G, Gutiérrez F, Raffi F, Kirk O, Mary-Krause M, Stephan C, de Olalla PG, Guest J, Samji H, Castagna A, d'Arminio Monforte A, Skaletz-Rorowski A, Ramos J, Lapadula G, Mussini C, Force L, Meyer L, Lampe F, Boufassa F, Bucher HC, De Wit S, Burkholder GA, Teira R, Justice AC, Sterling TR, M Crane H, Gerstoft J, Grarup J, May M, Chêne G, Ingle SM, Sterne J, Obel N; Antiretroviral Therapy Cohort Collaboration (ART-CC) and the Collaboration of Observational HIV Epidemiological Research Europe (COHERE) in EuroCoord. Long-term mortality in HIV-positive individuals virally suppressed for >3 years with incomplete CD4 recovery. Clinical Infectious Diseases. 2014; 58(9): 1312-21. doi: 10.1093/cid/ciu038

Judd A, Duong T, Galli L Goetghebuer T, Ene L, Julian AN, Amador JTR, Pimenta JM, Thorne C, Giaquinto C, on behalf of the European Pregnancy and Paediatric HIC Cohort Collaboration (EPPICC) study group in EuroCoord. Post-licensing safety of fosamprenavir in HIV-infected children in Europe. Pharmacoepidemiology and Drug Safety. 2014; 23(3): 321-325. doi: 10.1002/pds.3543

Chiappini E, Galli L, Giaquinto C, Ene L, Goetghebuer T, Judd A, Lisi C, Malyuta R, Noguera-Julian A, Ramos JT, Rojo-Conejo P, Rudin C, Tookey P, de Martino M, Thorne C; European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) study group in EuroCoord. Use of combination neonatal prophylaxis for the prevention of mother-to-child transmission of HIV infection in European high-risk infants. AIDS. 2013; 27(6): 991-1000. doi: 10.1097/QAD.0b013e32835cffb1

Judd A, European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) study group in EuroCoord. Early antiretroviral therapy in HIV-1-infected infants, 1996-2008: treatment response and duration of first-line regimens. AIDS. 2011; 25(18): 2279-87. doi: 10.1097/QAD.0b013e32834d614c

The Pursuing Later Treatment Options II (PLATO II) project team. Risk of triple-class virological failure in children with HIV: a retrospective cohort study. Lancet. 2011; 377(9777): 1580-7. doi: 10.1016/S0140-6736(11)60208-0

Wittkop L, Günthard HF, de Wolf F, Dunn D, Cozzi-Lepri A, de Luca A, Kücherer C, Obel N, von Wyl V, Masquelier B, Stephan C, Torti C, Antinori A, García F, Judd A, Porter K, Thiébaut R, Castro H, van Sighem AI, Colin C, Kjaer J, Lundgren JD, Paredes R, Pozniak A, Clotet B, Phillips A, Pillay D, Chêne G; EuroCoord-CHAIN study group. Effect of transmitted drug resistance on virological and immunological response to initial combination antiretroviral therapy for HIV (EuroCoord-CHAIN joint project): a European multicohort study. Lancet Infectious Diseases. 2011; 11(5): 363-71. doi: 10.1016/S1473-3099(11)70032-9

Opportunistic Infections Project Team of the Collaboration of Observational HIV Epidemiological Research in Europe (COHERE), Mocroft A, Reiss P, Kirk O, Mussini C, Girardi E, Morlat P, Stephen C, De Wit S, Doerholt K, Ghosn J, Bucher HC, Lundgren JD, Chene G, Miro JM, Furrer H. Is it safe to discontinue primary Pneumocystis jiroveci pneumonia prophylaxis in patients with virologically suppressed HIV infection and a CD4 cell count <200 cells/microL? Clinical Infectious Diseases. 2010; 51(5): 611-9. doi: 10.1086/655761

Goetghebuer T, Haelterman E, Le Chenadec J, Dollfus C, Gibb DM, Judd A, Green H, Galli L, Faye A, Tomas Ramos J, Giaquinto C, Warszawski J, Levy J for the European Infant Collaboration group. Effect of early antiretroviral therapy on the risk of AIDS/death in HIV infected infants: the European Infant Collaborative Study. AIDS. 2009; 23(5): 597-604. doi: 10.1097/QAD.0b013e328326ca37

Collaboration of Observational HIV Epidemiological Research Europe (COHERE) Study Group, Sabin CA, Smith CJ, d'Arminio Monforte A, Battegay M, Gabiano C, Galli L, Geelen S, Gibb D, Guiguet M, Judd A, Leport C, Dabis F, Pantazis N, Porter K, Raffi F, Thorne C, Torti C, Walker S, Warszawski J, Wintergerst U, Chene G, Lundgren J. Response to combination antiretroviral therapy: variation by age. AIDS. 2008; 22(12): 1463-73. doi: 10.1097/QAD.0b013e3282f88d02

Dunn DT, Gibb DM, Duong T for the HIV Paediatric Prognostic Markers Collaborative Study (HPPMCS). Predictive value of absolute CD4 cell count for disease progression in untreated HIV-1 infected children. AIDS. 2006; 20(9): 1289-1294. doi: 10.1097/01.aids.0000232237.20792.68

HIV Paediatric Prognostic Markers Collaborative Study. Use of total lymphocyte count for informing when to start antiretroviral therapy in HIV-infected children: a meta-analysis of longitudinal data. Lancet. 2005; 366(9500): 1868-74. doi: 10.1016/S0140-6736(05)67757-4

Charakida M, Donald AE, Green H, Storry C, Clapson M, Caslake M, Dunn DT, Halcox JP, Gibb DM, Klein NJ. Early structural and functional changes of the vasculature in HIV-infected children: impact of disease and antiretroviral therapy. Circulation. 2005; 112(1): 103-109. doi: 10.1161/CIRCULATIONAHA.104.517144

Dunn DT, on behalf of the HIV Paediatric Prognostic Markers Collaborative Study. Short-term risk of disease progression in HIV-1-infected children receiving no antiretroviral therapy or zidovudine monotherapy: a meta-analysis. Lancet. 2003; 362(9396): 1605-1611. doi: 10.1016/s0140-6736(03)14793-9

Conference Presentations

Le Prevost et al, on behalf of AALPHI. Predictors of engagement in HIV care for young people with perinatal HIV in England. International Workshop on HIV Pediatrics 2020, virtual event (poster)

Byrne, T on behalf of CHIPS. Trends in the prevalence of overweight and obesity among children and adolescents living with perinatally-acquired HIV in the UK and Ireland. International Workshop on HIV Pediatrics 2020, virtual event (poster)

Peters H et al. on behalf of ISOSS. Children newly diagnosed with HIV in the UK and Ireland between 2000 and 2018: a population- level overview. International Workshop on HIV Pediatrics 2020, virtual event (poster)

Jackson C et al. on behalf of EPPICC. Long-term non-progression in children with perinatally acquired HIV. CROI 2020, Boston, USA (poster).

Crichton S et al. on behalf of EPPICC. Abacavir dosing, effectiveness, and safety in young infants living with HIV in Europe. CROI 2020, Boston, USA (poster).

Crichton S et al. on behalf of CIPHER. Global variations in pubertal growth in adolescents living with perinatal HIV. CROI 2020, Boston, USA (poster).

Collins IJ et al. on behalf of CHIPS. Children and adolescents in the UK/ Ireland CHIPS cohort on integrase inhibitors: safety and effectiveness. Paediatric Workshop Mexico City, July 2019 (poster).

Crichton S et al. on behalf of CHIPS. Virological suppression/rebound and ART discontinuation in children and adolescents switching to dolutegravir while virally suppressed in the UK/Ireland: a propensity score analysis. Paediatric Workshop Mexico City, July 2019 (oral).

Crichton S et al. on behalf of CHIPS. Abacavir use in young infants in the UK and Ireland CHIPS cohort. Paediatric Workshop Mexico City, July 2019 (poster).

Chappell E et al. on behalf of EPPICC. Malignancies in children with HIV in Eastern and Western Europe and Thailand. Paediatric Workshop Mexico City, July 2019 (oral).

Collins IJ et al. on behalf of CHIPS. Children and adolescents in the UK/ Ireland CHIPS cohort on integrase inhibitors: safety and effectiveness. 23rd IWHOD, Athens, Greece March 2019 (poster).

Crichton S et al. on behalf of CHIPS. Virological suppression/rebound and ART discontinuation in children and adolescents switching to dolutegravir while virally suppressed in the UK/Ireland: a propensity score analysis. 23rd IWHOD, Athens, Greece March 2019 (poster).

Crichton S et al. on behalf of EPPICC, Height and timing of growth spurt during puberty in children and adolescents with perinatal HIV in Europe and Thailand. CHIVA Conference, London, UK, March 2019 (poster).

Asad H et al. on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee and the UK Collaborative HIV Cohort (UK CHIC) Study Steering Committee.  Clinical outcomes of young people with perinatal HIV following transfer from paediatric to adult care in the UK. CHIVA Conference, London, UK, March 2019 (oral).

Arenas-Pinto A et al. on behalf of AALPHI. Focused cognitive function testing in young people with perinatal HIV in England. CROI 2019, Seattle, USA. Poster #821. http://www.croiwebcasts.org/p/2019croi/821

Collins IJ, Crichton S, Judd A on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee.  Safety and effectiveness of dolutegravir (DTG) in children and adolescents with HIV in the UK/Ireland.  10th International Workshop on HIV Pediatrics, Amsterdam, Netherlands, 2018 (poster).

Patel P, Smith C, Collins IJ, et al. on behalf of the Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Cohort Collaboration Duration of Second-line Project Team. Outcomes of second-line antiretroviral therapy (ART) in HIV-infected children: a CIPHER cohort collaboration global analysis. 10th International Workshop on HIV Pediatrics and the International AIDS Society Conference, Amsterdam, Netherlands, 2018 (oral).

Asad H, Sabin C, Collins IJ, Goodall R, Judd A on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee and the UK Collaborative HIV Cohort (UK CHIC) Study Steering Committee.  Severe immunosuppression and viral failure in adult care among antiretroviral therapy-experienced young people with HIV in the UK.  10th International Workshop on HIV Pediatrics, Amsterdam, Netherlands, 2018 (oral).

Asad H, Collins IJ, Goodall R, Sabin C, Judd A on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee and the UK Collaborative HIV Cohort (UK CHIC) Study Steering Committee.  Mortality and AIDS-defining events among young people with PHIV following transition to adult care in the UK.  10th International Workshop on HIV Pediatrics, Amsterdam, Netherlands, 2018 (poster).

Crichton S, Belfrage E, Collins IJ, et al. on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC).  Height and timing of growth spurt during puberty in children and adolescents with perinatal HIV in Europe and Thailand.  10th International Workshop on HIV Pediatrics, Amsterdam, Netherlands, 2018 (poster).

Crichton S, Belfrage E, Collins IJ, et al. on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC).  Long term growth after initiation of ART in children and adolescents with perinatal HIV in Europe and Thailand.  10th International Workshop on HIV Pediatrics, Amsterdam, Netherlands, 2018 (poster).

Asad H, Sabin C, Collins IJ, et al. on behalf of the CHIPS and UK CHIC Steering Committees.  Severe immunosuppression in adult care in antiretroviral therapy-experienced young people with perinatal HIV in the UK22nd International Workshop on HIV and Hepatitis Observational Databases (IWHOD), Fuengirola, Spain, March 2018 (oral).

Asad H, Collins IJ, Goodall R et al. on behalf of the CHIPS and UK CHIC Steering Committees.  Linking patients with perinatal HIV across paediatric and adult care in the UK22nd International Workshop on HIV and Hepatitis Observational Databases (IWHOD), Fuengirola, Spain, March 2018 (oral).

Crichton S, Belfrage E, Collins IJ, et al. on behalf of EPPICC.  Long-term growth in HIV-infected children and adolescents on ART in Europe and Thailand22nd International Workshop on HIV and Hepatitis Observational Databases (IWHOD), Fuengirola, Spain, March 2018 (poster)

Collins IJ, Chappell E, Peters H et al. on behalf of CHIPS and NSHPC. The cascade of care for children and adolescents with HIV in the UK and Ireland in 2015. CHIVA Going Forward, 2 March 2018, London (oral).

Kohns M, Goodall R, Galli L et al. on behalf of EPPICC. Are HIV+ migrant children in Europe at increased risk of poor outcomes on ART? Conference on Retroviruses and Opportunistic Infections (CROI), 2018, Boston. Poster #853. http://www.croiconference.org/sites/default/files/posters-2018/1430_Collins_853.pdf

Copelyn J, Thompson L, Marthe Le Prevost, et al (2018). Self-harm in adolescents with perinatal HIV and HIV affected adolescents in England. Conference on Retroviruses and Opportunistic Infections (CROI), 2018, Boston. Poster # 847. http://www.croiconference.org/sites/default/files/posters-2018/1430_Copelyn_847.pdf

Judd A. Transition to adult care – challenges for adult clinics. Plenary, AIDS Impact 13th International Conference, Cape Town, 2017.

Lyons A, Collins IJ, Chappell E, et al on behalf of EPPICC. Safety of etravirine in young people with HIV: patient characteristics, adverse events and discontinuation.  9th International Workshop on Paediatric HIV, 21-22 July 2017, Paris, France. Poster #35.

Turkova A, Collins IJ, Lyons A, et al. on behalf of EPPICC. Use and safety of tenofovir disoproxil fumarate (TDF) in children and adolescents with HIV in paediatric cohorts in the European Union. 9th International Workshop on Paediatric HIV, 21-22 July 2017, Paris, France. Poster #30.

Collins IJ, Chappell E, Peters H et al. The cascade of care for children with HIV in the UK and Ireland in 2015. 9th International Workshop on Paediatric HIV, 21-22 July 2017, Paris, France. Poster #58.

Anderegg N, Kirk O for the IeDEA & COHERE collaboration. Immunodeficiency at the start of antiretroviral therapy in low-, middle- and high-income countries. 23-26 July 2017, Paris, France. Oral presentation (MOAB0101). (http://programme.ias2017.org/Abstract/Abstract/2483)

Kohns M, Goodall R, Rodrigues L et al. on behalf of the EPPICC Migrants project team.  Immunological response to treatment in HIV-infected migrant children in Europe as compared to domestic-born counterparts. 35th European Society for Paediatric Infectious Diseases (ESPID) 23-27 May, 2017, Madrid, Spain. Oral.

Palma P, Chan M, Goodall R, Judd A, Gibb D,  Babiker A, Rojo P on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) Factors Associated with the time to virological response in children with perinatal HIV in Europe and Thailand initiating antiretroviral therapy (ART) very early in infancy. European Society for Paediatric Infectious Diseases (ESPID) 23-27 May, 2017, Madrid, Spain. Oral.

Goodall R, Chiappini E, Klimkait T, Ngo-Giang-Huong N, Thorne C, Turkova A, Judd A on behalf of EPPICC in EuroCoord. Incidence of virological failure among children in Europe and Thailand. 21st International Workshop on HIV and Hepatitis Observational Databases (IWHOD), Lisbon, Portugal, March 2017; (poster #60)

Chan M, Goodall R, Judd A, Gibb D, Babiker A on behalf of EPPICC in EuroCoord. Factors associated with time to virological response in children with perinatal HIV initiating antiretroviral therapy (ART) early in infancy. 21st International Workshop on HIV and Hepatitis Observational Databases (IWHOD), Lisbon, Portugal, March 2017; (poster #65)

Slogrove A, Judd A, Leroy A, Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Global Cohort Collaboration. Disparity in mortality and access to antiretroviral therapy in adolescents living with perinatally-acquired HIV in sub-Saharan Africa: a Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) cohort collaboration analysis. 21st International workshop on HIV and Hepititis Observational Databases 2017, Lisbon, Portugal (oral).

Wool-Kaloustian K, Smith C, Goodall R, Collins IJ Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Global Cohort Collaboration. Predictors of switch to second-line ART in HIV-positive children: a global analysis.   Conference on Reroviruses and Opportunistic Infections (CROI), 2017 Seattle, USA (poster #815). (http://www.croiconference.org/sites/default/files/posters-2017/815_WoolsKaloustian.pdf)

Peters H, Francis K, Collins IJ, Judd A, Thorne C.  Current trends in children with HIV diagnosed in the UK and Ireland. Conference on Reroviruses and Opportunistic Infections (CROI), 2017 Seattle, USA (poster #831). (http://www.croiconference.org/sites/default/files/posters-2017/831_Peters.pdf)

Slogrove A, Judd A, Leroy A, Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Global Cohort Collaboration. The epidemiology of perinatally HIV-infected adolescents: a CIPHER cohort collaboration global analysis. AIDS 2016, and HIV Pediatrics Workshop 2016, Durban, South Africa (http://programme.aids2016.org/Programme/Session/981)

Goodall RL, Chiappini E, Gibb DM, Klimkait T, Ngo-Giang-Huong N, Thorne C, Turkova A, Judd A, European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC). Virological response to first-line ART in children in the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC). AIDS 2016, and HIV Pediatrics Workshop 2016, Durban, South Africa (http://programme.aids2016.org/PAGMaterial/eposters/0_3132.pdf)

Judd A, Parrott F, Melvin D, Foster C, Le Prevost M, Evangeli M, Winston A, Arenas-Pinto A, Sturgeon K, Rowson K, Gibb DM. Does neurocognitive function and/or anxiety/depression predict adherence to antiviral therapy among perinatally HIV-infected adolescents in England? AIDS 2016, and HIV Pediatrics Workshop 2016, Durban, South Africa (http://programme.aids2016.org/PAGMaterial/eposters/0_4036.pdf)

Le Prevost M, Sturgeon K, Foster C, Parrott F, Jungmann E, Rowson K, Gibb DM, Judd A, Adolescents and Adults Living with Perinatal HIV (AALPHI) Steering Committee. Similar levels of sexual risk behaviour among perinatally HIV-infected and HIV-affected adolescents, and the general population, in England. AIDS 2016, and HIV Pediatrics Workshop 2016, Durban, South Africa (http://programme.aids2016.org/PAGMaterial/eposters/0_4607.pdf)

Judd A, Chappell E, Doerholt K, Galli L, Giaquinto C, Gibb DM, Goetghebuer T, Le Coeur S, Noguera Julian A, Turkova A, Goodall R, European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC). Long-term trends in mortality and AIDS-defining events among perinatally HIV-infected children across Europe and Thailand. AIDS 2016, and HIV Pediatrics Workshop 2016, Durban, South Africa (http://programme.aids2016.org/Programme/Session/963)

Collins IJ, Chappell E, Ene L, Jourdain G, Riordan A, Scherpbier HJ, Warszawski J, Giaquinto C, Gibb DM, on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) in EuroCoord. Poor immune response despite virologically suppressive antiretroviral therapy (ART) in children in the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) in EuroCoord. AIDS 2016, and HIV Pediatrics Workshop 2016, Durban, South Africa (http://programme.aids2016.org/Abstract/Abstract/4424)

Collins IJ, Collaborative Initiative for Paediatric HIV Education and Research (CIPHER) Cohort Collaboration Duration of First-line Team. Switching to second-line antiretroviral therapy (ART) in HIV-infected children: a CIPHER cohort collaboration global analysis. AIDS 2016, and HIV Pediatrics Workshop 2016, Durban, South Africa (http://programme.aids2016.org/Programme/Session/963)

Goodall RL, Collins IJ, Childs T, Foster C, Ene L, Smit C, Kahlert C, Judd A, Gibb DM, on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC).  Durability of first-line antiretroviral therapy (ART) in children in the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC).  8th International AIDS Society Conference on HIV Pathogenesis, Treatment and Prevention, Vancouver 2015 (poster TUPEB304).

Le Prevost M, Melvin D, Nunn A, Arenas-Pinto A, Evangeli M, Foster C, Winston A, Gibb DM, Judd A.  Anxiety and depression in young people with perinatal HIV and their HIV-negative siblings.  7th International Workshop on HIV Pediatrics, Vancouver 2015 (oral).

Le Prevost M, Judd A.  Life after CHIPS: CHIPS and AALPHI update.  9thAnnual Conference of the Children’s HIV Association (CHIVA), Leicester 2015 (oral).

Judd A, Nunn A, Melvin D, Foster C, Winston A, Le Prevost M, Sturgeon K, Gibb DM, Arenas-Pinto A.  Neurocognitive function in perinatally HIV-infected young people and HIV-negative siblings in England.  9th Annual Conference of the Children’s HIV Association (CHIVA), Leicester 2015 (oral).

Hawkins A, Evangeli M, Sturgeon K, Le Prevost M, Judd A.  Predictors of within-indivudual episodic antiretroviral adherence in young people living with perinatally acquired HIV.  AIDS Impact 2015 Conference, Amsterdam (oral).

Bailey H on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) Steering Committee.  Safety of zidovudine/lamivudine scored tablets in children with HIV infection in Europe and Thailand.  33rd Annual Meeting of the European Society for Paediatric Infectious Diseases (ESPID), 2015 (poster).

Judd A, Nunn A, Melvin D, Foster C, Winston A, Le Prevost M, Sturgeon K, Gibb D, Arenas Pinto A on behalf of the Adolescents and Adults Living with Perinatal HIV (AALPHI) Steering Committee.  Neurocognitive function in perinatally HIV-infected young people and HIV-negative siblings in England.  21st Annual Conference of the British HIV Association, Brighton 2015 (oral).

Judd A, Collins IJ, Le Prevost M, Tookey PA, Gibb DM.  Kids to adults: tracking perinatally infected youth as they transition to adult care - the UK experience.  21st Annual Conference of the British HIV Association, Brighton 2015 (oral).

Hussain N, Lewis J, Childs T, Judd A, Klein N, Fidler K.  To investigate the number of UK paediatric HIV patients with persistently low CD4 counts despite antiretroviral therapy.  21st Annual Conference of the British HIV Association, Brighton 2015 (poster).

Patel A, Judd A, Foster C, Welch S, Menson E, Lim E, Klein N, Fidler K.  To determine the prevalence of HIV seroreversion across 6 collaborating paediatric HIV centres in the UK.  21st Annual Conference of the British HIV Association, Brighton 2015 (oral).

Herbert S, Barbour A, Judd A, Jungmann E, Foster C on behalf of the HIV Young People’s Network (HYPNET).  Malignancy in HIV positive young people.  21st Annual Conference of the British HIV Association, Brighton 2015 (poster).

A Judd. How EPPICC is addressing adolescent transition. 1st CIPHER Adolescent Transition Workshop, 28 March 2015, Catania, Italy (oral presentation)

Nunn A, Arenas-Pinto A, Melvin D, Foster C, Winston A, Le Prevost M, Gibb D, Judd A.  Neurocognitive function in perinatally HIV-infected young people and HIV-negative siblings in England.  19th International Workshop on HIV Observational Databases, Catania, Sicily 2015 (poster).

Bailey H on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) in EuroCoord.  Safety of atazanavir and darunavir in patients in paediatric cohorts in Europe and Thailand: a model for ART pharmacovigilance.  19th International Workshop on HIV Observational Databases, Catania, Sicily 2015 (poster) 

Collins IJ, Childs T, Goodall R, Foster C, Ene L, Smit C, Kahlert C, Judd A, Gibb DM on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC) in EuroCoord.  Durability of first-line antiretroviral therapy (ART) in children in the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC).  19th International Workshop on HIV Observational Databases, Catania, Sicily 2015 (poster).

Panayidou K, Judd A, the IeDEA and COHERE collaborations,  Immunodeficiency at the Start of ART in Children: A Global View Klea, Ali Judd, the IeDEA and COHERE collaborations.  Conference on Retroviruses and Opportunistic Infections 2015, Seattle, USA, 2015 (poster).

Judd A, Collins J, Lodi S, Olson A, Pantazis N, Gibb DM.  Moving on up: tracking young people with perinatal HIV as they transition to adult care in Europe.  18th International Workshop on HIV Observational Databases, Sitges, Spain, 2014 (oral).  Abstract number 22.

Judd A, Childs T, Collins IJ, Dodonov K, Galli L, Goetghebuer T, Königs C, Noguera-Julian A, Rojo Conejo P, Naver L, Tookey P, Giaquinto C, Gibb DM. Double dosing of ritonavir in twice-daily darunavir-containing regimens: an example of a lack of appropriate formulations in paediatrics. 18thInternational Workshop on HIV Observational Databases, Sitges, Spain, 2014 (poster).  Abstract number 86.

Collins IJ, Turkova A, Judd A, Welch S, Foster C, Shingadia D, Doeholt K,  Riodan A, Klein K, Shackley F,  Gibb DM on Behalf of the Collaborative HIV Paediatric Study (CHIPS). Tuberculosis (TB) co-infection in HIV-infected children in the UK & Ireland.  18th International Workshop on HIV Observational Databases, Sitges, Spain, 2014 (poster).  Abstract number 90.

Collins IJ, Judd A,  Tookey PA, Foster C, Doerholt K, Lyall H, Butler K, Gibb DM. Improving clinical status of perinatally HIV-infected patients at transfer to adult care over time. 18th International Workshop on HIV Observational Databases, Sitges, Spain, 2014 (poster).  Abstract number 103.

Turkova A, Collins IJ, Judd A, Welch S, Foster C, Shingadia D, Doeholt K, Riodan A, Klein K, Shackley F, Gibb DM on Behalf of the Collaborative HIV Paediatric Study (CHIPS). Tuberculosis (TB) co-infection in HIV-infected children in the UK & Ireland. 18th International Workshop on HIV Observational Databases, Sitges, Spain, 2014 ( Abstract number 90); and 32nd European Society of Paediatric Infectious Diseases, Dublin, Ireland, 2014 (Short oral presentation ESPID-0462).

Collins IJ, Judd A, Tookey PA, Foster C, Doerholt K, Lyall H, Butler K, Gibb DM. Improving clinical status of perinatally HIV-infected patients at transfer to adult care over time. 18th International Workshop on HIV Observational Databases, Sitges, Spain, 2014 (Abstract number 103); and 32nd European Society of Paediatric Infectious Diseases, Dublin, Ireland, 2014 ( Short oral presentation ESPID-0824).

Judd A, Collins J, Lodi S, Olson A, Pantazis N, Gibb DM. Moving on up: tracking young people with perinatal HIV as they transition to adult care in Europe. 18th International Workshop on HIV Observational Databases, Sitges, Spain, 2014. Abstract number 22.

Judd A, Childs T, Collins IJ, Dodonov K, Galli L, Goetghebuer T, Königs C, Noguera-Julian A, Rojo Conejo P, Naver L, Tookey P, Giaquinto C, Gibb DM. Double dosing of ritonavir in twice-daily darunavir-containing regimens: an example of a lack of appropriate formulations in paediatrics. 18th International Workshop on HIV Observational Databases, Sitges, Spain, 2014. Abstract number 86.

Duong T, Judd A, Doerholt K, Lyall H, Menson E, Foster C et al. Long-term virological outcomes in HIV-infected children on ART in UK/Ireland. 17th International Workshop on HIV Observational Databases, Cavtat, 2013, and 7th IAS Conference on HIV Pathogenesis, Treatment and Prevention, Kuala Lumpur, 2013 (oral presentation MOAB0105).

Judd A et al. Sex, drugs and mental health: Characteristics of perinatally HIV-infected young people recruited into the new Adolescents and Adults Living with Perinatal HIV (AALPHI) cohort. 17th International Workshop on HIV Observational Databases, Cavtat, 2013, and 5th International Workshop on HIV Pediatrics, Kuala Lumpur, 2013.

Rojo Conejo P on behalf of the PLATO II project team of COHERE. Higher rates of triple class virologic failure in perinatally HIV-infected teenagers compared to heterosexually infected young adults in the PLATO II study. 17th International Workshop on HIV Observational Databases, Cavtat, 2013, and 5th International Workshop on HIV Pediatrics, Kuala Lumpur, 2013.

Doerholt K, Judd A, Bleier J, Foster C, Menson E, Sharland M et al.  Atazanavir (ATV) use and dosing in HIV-1-infected children in the UK and Ireland.  30th Annual Meeting of the European Society for Paediatric Infectious Diseases, Thessaloniki, 2012 (oral abstract number A-435-0012-01125).

Judd A, Duong T, Ene L, Galli L, Goetghebuer T, Noguera-Julian A, et al. Safety of fosamprenavir and darunavir in HIV-1 infected children in the European Union: ongoing post-marketing surveillance studies. 30th Annual Meeting of the European Society for Paediatric Infectious Diseases, Thessaloniki, 2012 (poster number A-435-0012-00415).

Fish R, Judd A, Jungmann E, Foster C.  Mortality amongst HIV-infected young people following transition to adult care: an HIV Young Persons Network (HYPNet) audit.  18th Annual Conference of the British HIV Association, Birmingham, 2012 (oral abstract number O6); and 6th Annual Conference of the Children’s HIV Association (CHIVA), Birmingham, 2012.

Judd A and Kenny J.  PENTA trials and UK research update.  6th Annual Conference of the Children’s HIV Association (CHIVA), Birmingham, 2012

Judd A, O’Leary C, Tookey PA, Foster C, Tudor-Williams G, Prime K, Butler K, Menson E, Masters J, Riordan A, Gibb DM.  Coming of age: young people in the UK and Ireland with perinatally acquired HIV infection.  15th International Workshop on HIV Observational Databases, Prague. (Poster)

Judd A on behalf of the European Pregnancy and Paediatric HIV Cohort Collaboration (EPPICC).  Use and safety of fosamprenavir in HIV-infected children in the European Union: an ongoing post-marketing surveillance study.  15th International Workshop on HIV Observational Databases, Prague. (Poster)

Payne H, Donegan K, Okike I, Gibb DM, Doerholt K, Heath PT. Prevalence of vaccine-preventable infections among HIV-infected children in the UK and Ireland, 1996-2008. 28th Annual Meeting of the European Society for Paediatic Infectious Diseases, Nice 2010. (Poster) (Download Presentation)

Boyd K, Walker AS, Dunn D, Judd A, Pillay D, Menson E, Tudor-Williams G, Gibb DM. The Prevalence of Darunavir Associated Mutations in PI-naive and PI-experienced HIV-1 Infected Children in the UK. 17th Conference on Retroviruses and Opportunistic infections, San Francisco 2010. (Poster)(Download Presentation)

Judd A, Boyd K, Stöhr W, Dunn DT, Butler K, Riordan A, Gibb D. Effect of tenofovir disoproxil fumarate (TDF) on risk of renal impairment in HIV-1 infected children on antiretroviral therapy: nested case-control study. 16th Conference on Retroviruses and Opportunistic infections, Montreal 2009. (Poster) (Download Presentation)

Walker AS, Boyd KL, Doerholt K, Lyall EGH, Menson E, Butler K, Tookey PA, Riordan A, Shingardia D, Judd A, Tudor-Williams G, Gibb DM. To overdose or underdose? The question of Kaletra in the UK/Irish Collaborative HIV Paediatric Study (CHIPS). Ninth International Congress on Drug Therapy in HIV Infection. Glasgow, UK 2008. (Oral) (Download Presentation)

Boyd K on behalf of the Collaborative HIV Paediatric Study (CHIPS). Children and resistance to HIV: CHIPS data. 2nd Annual CHIVA Conference, Liverpool 2008. (Oral) (Download Presentation)

Kekitiinwa A, Lee K, Walker AS, Maganda A, Doerholt K, Lyall H, Butler K, Asiimwe A, Kline M, Gibb D. Initial growth, CD4 and viral load responses to HAART in Ugandan compared to UK/Irish HIV-infected children. 15th Conference on Retroviruses and Opportunstic Infections, Boston 2008. (Poster) (Download Presentation)

Kekitiinwa A on behalf of the Mulago Cohort Team and the CHIPS Steering Committee. Growth, CD4 and viral load responses to HAART in UK/ Irish and Ugandan HIV-infected children. INTEREST Conference, Uganda 2007.

Cliff D on behalf of CHIPS. Tenofovir use in CHIPS: audit report. British HIV Association Autumn Conference, London 2007 (Oral).

Doerholt K on behalf of CHIPS NSHPC HYPNET CHIC. Adolescent in CHIPS/linking to CHIC: Young persons (YP) leaving CHIPS are lost to follow up - what to do next? British HIV Association Autumn Conference, London 2007 (Oral). (Download presentation)

Doerholt K, Judd A, Tookey P, Sharland M, Riordan A, Menson E, Novelli V, Lyall H, Masters J, Tudor-Williams G, Duong T, Gibb DM. Morbidity, mortality and response to treatment in HIV-infected children in the UK and Ireland 1996-2006: a prospective cohort study. Royal College of Paediatrics and Child Health 11th Spring Meeting, York 2007. (Download presentation)

Foster C, Judd A, Doerholt K, Lyall H, Gibb DM, Tookey P, Dunn T. Young people with perinatally acquired HIV: a Transitioning UK cohort. British Association for Sexual Health and HIV Spring Meeting, Blackpool 2007 (Oral). (Download presentation)

Sabin C and the Collaboration of Observational HIV Epidemiological Research Europe (COHERE) Study. Response to combination ART: variation by age. Abstract 528. 14th Conference on Retroviruses and Opportunistic Infections, Los Angeles 2007 (Poster). (Download Presentation)

Judd A, Lee KJ, Duong T, Walker AS, Butler K, Donaghy S, Lyall H, Masters J, Menson E, Novelli V, Peckham C, Riordan A, Sharland M, Tookey P, Tudor-Williams G, Gibb DM. Exposure and response to highly active antiretroviral therapy (HAART) in ART naive children in the UK and Ireland.  XVI International AIDS Conference, Toronto 2006 (Poster; abstract number THPE0106). (Download presentation).

Judd A and Doerholt K on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee and the National Study of HIV in Pregnancy & Childhood (NSHPC). Characteristics and responses to ART in the CHIPS cohort, 1996-2006. British HIV Association Autumn Conference, London 2006 (Oral). (Download presentation)

Judd A, Duong T, Walker AS, Tookey PA, Sharland M, Riordan A, Lyall H, Masters J, Menson E, Tudor-Williams G, Butler K, Donaghy S, Novelli V, Peckham C, Gibb DM for the Collaborative HIV Paediatric Study and the National Study of HIV in Pregnancy and Childhood. Older and wiser: continued improvements in clinical outcome and highly active antiretroviral therapy (HAART) response in HIV-infected children in the UK and Ireland, 1996-2005. 12th Annual Conference of the British HIV Association, Brighton 2006 (Oral) (Download presentation); Royal College of Paediatrics and Child Health 10th Spring Meeting, York 2006 (Poster). (Download presentation)

Judd A, Duong T, Walker AS, Tookey P, Gibb DM on behalf of the National Study of HIV in Pregnancy and Childhood and the Collaborative HIV Paediatric Study Steering Committee. Trends in morbidity, mortality, and exposure and response to highly active antiretroviral therapy (HAART), in HIV-infected children in the UK and Ireland, 1996-2004. 10th International Workshop on HIV Observational Databases, Madrid 2006 (Poster).

Lee KJ, Lyall H, Walker AS, Sharland M, Judd A and Gibb DM. Wide disparity in switch to second-line therapy in HIV infected children in CHIPS. Eighth International Congress on Drug Therapy in HIV infection, Glasgow 2006 (Oral Paper PL 2.4). (Download presentation)

Lee KJ on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Switch to second-line therapy in the CHIPS cohort. British HIV Association Autumn Conference, London 2006 (Oral). (Download presentation)

Shingadia D, Lee KJ, Pillay D, Walker AS, Tudor-Williams G, Judd A and Gibb DM. Viral load blip in HIV infected children from the CHIPS cohort: what do they mean? Eighth International Congress on Drug Therapy in HIV infection, Glasgow 2006 (Poster; abstract number P359). (Download presentation)

Menson EN, Walker S, Doerholt K, Duong T, Wells C, Sharland M, Gibb DM on behalf of the Collaborative HIV Paediatric Study. Extent of underdosage of antiretroviral therapy in HIV-infected children. Royal College of Paediatrics and Child Health 9th Spring Meeting, York 2005 (Oral plenary)

Doerholt K, Walker S, Sharland M, Riordan A, Novelli V, Tookey P, Cole T, Gibb DM. Long-term growth in previously untreated HIV infected children starting Highly Active Antiretroviral Therapy (HAART) in the Collaborative HIV Paediatric Study (CHIPS) in UK and Ireland. XV International AIDS Conference, Bangkok 2004 (Poster; abstract number TuPeB4424).

Doerholt K, Duong T, Sharland M, Tookey P, Butler K, Lyall H, Dunn D, Gibb DM. Poor virological response to HAART among infants in the Collaborative HIV Paediatric Study (CHIPS) in the UK and Ireland. XV International AIDS Conference, Bangkok 2004 (Oral; abstract number TuOrB1188).

Doerholt K, Duong T, Gibb DM on behalf of the CHIPS Steering Committee and the NSHPC. What happens to infants in the era of HAART in the UK and Ireland? 8th International Workshop on HIV Observational Databases, Montreaux 2004 (Closed meeting).

Foster CJ, Lyall EGH, Doerholt K, Duong T, Tookey PA, Sharland M, Tudor-Williams G, Novelli V, Butler K, Riordan A, Gibb DM on behalf of the Collaborative HIV Paediatric Study (CHIPS). HIV infected adolescents: an evolving UK cohort. British HIV Association 10th Anniversary Conference, Cardiff 2004 (Oral). (Download presentation)

Gibb DM, Dunn DT, Duong T, Galli L, Giaquinto C, Hughes M, Mofenson L, Moye J, Newell ML, Palumbo P, Rudin C, Shearer W. Predictive value of total lymphocyte count (TLC) for disease progression in untreated HIV-infected children in Europe and USA. XV International AIDS Conference, Bangkok 2004 (Oral; abstract number TuOrB1189).

Gibb D, Walker S, Doerholt K on behalf of the CHIPS Steering Committee. Variation in the effective dosage of antiretoviral drugs in children. 8th International Workshop on HIV Observational Databases, Montreux 2004 (Closed meeting).

Doerholt K, Duong T, Sharland M, Tookey P, Masters J, Gibb DM on behalf of CHIPS and NSHPC. Changes in vertically acquired paediatric HIV in UK and Ireland over calendar time: The Collaborative HIV Paediatric Study (CHIPS) and the National Study of HIV in Pregnancy and Childhood (NSHPC). Royal College of Paediatrics and Child Health 7th Spring Meeting, 2003 (Oral; abstract number G165).

Gibb DM, Walker AS on behalf of the Collaborative HIV Paediatric Study Group. Variation in the effect of HAART on short-term CD4 percentage and plasma HIV-1 RNA response according to age in children. 7th International Workshop on HIV Observational Databases, Fiuggi, Italy 2003 (Oral; closed meeting).

Duong T, on behalf of the HIV Paediatric Prognostic Markers Collaborative Study. Short-term risk of disease progression in HIV-1-infected children receiving no antiretroviral therapy or zidovudine monotherapy: a meta-analysis. XIV International AIDS Conference, Barcelona, 2002 (Poster; abstract number TuPec4849).

Duong T, McGee L, Sharland M, Tudor-Williams G, Novelli V, Butler K, Finn A, Tookey P, Peckham C, Dunn D, Gibb DM on behalf of CHIPS. Effects of antiretroviral therapy (ART) on morbidity and mortality of UK and Irish HIV infected children. Royal College of Paediatrics and Child Health 6th Spring Meeting 2002 (Poster; abstract number G210).

Leclezio V, Duong T, McGee L, Martinez-Alier N, Gibb D M, Verweel G. Treatment interruptions of HAART in paediatric HIV: effect on CD4 count. XIV International AIDS Conference, Barcelona 2002 (Poster; abstract number TuPeB4630).

Leclezio V, Duong T, McGee L, Martinez-Alier N, Gibb DM, Verweel G, on behalf of the Collaborative HIV Paediatric Study (CHIPS) Steering Committee. Treatment interruptions of HAART in paediatric HIV: effect on CD4 count. Royal College of Paediatrics and Child Health 6th Spring Meeting 2002 (Poster; abstract number G198).

Sharland M, Duong T, McGee L, Tudor-Williams G, Novelli V, Butler K, Finn A, Tookey P, Peckham C, Dunn D, Gibb D on behalf of the Collaborative HIV Paediatric Study (CHIPS). Effects of antiretroviral therapy (ART) on morbidity and mortality of UK and Irish HIV infected children. European Society for Pediatric Infectious Diseases 20th Annual Meeting, Vilnius, Lithuania 2002.

Walker AS, Gibb DM, McGee L, Dunn D, Tudor-Williams G, Sharland M, Butler K, Novelli V on behalf of the Collaborative HIV Paediatric Study (CHIPS). CD4 and HIV-1 RNA response following HAART in ART-naïve children. XIV International AIDS Conference, Barcelona 2002 (Poster; abstract number TuPeB4631).