Dr Alane Izu



Dr Alane Izu is a biostatistician at the Vaccines and Infectious Diseases Analytics (VIDA) Research Unit of the University of the Witwatersrand. She also holds a joint appointment as lecturer in the School of Pathology at the University of Witwatersrand. Alane received her PhD in Biostatistics from Harvard University School of Public Health. In September 2011, she joined Wits VIDA for a post-doctoral fellowship.

Alane has served as the primary statistician on observational studies and clinical trials in the unit and has experience in both frequentist and Bayesian methods. She has worked on a number of studies evaluating and analysing the efficacy of vaccines, the immunogenicity following vaccination, seasonal associations of respiratory diseases, impact of treatment programs, modelling infectious diseases over time, and exploring possible candidates for a correlate of protection against invasive GBS disease.

Alane has also been actively involved in mentoring, tutoring and supervising students at Wits VIDA in Biostatistics as well as volunteering her time as a lecturer and a reviewer for PhD protocol assessments at the University of Witwatersrand School of Public Health.


Madhi SA; Anderson AS; Absalon J; Radley D; Simon R; Jongihlati B; Strehlau R; van Niekerk AM; Izu A; Naidoo N; Kwatra G; Ramsamy Y; Said M; Jones S; Jose L; Fairlie L; Barnabas SL; Newton R; Munson S; Jefferies Z; Pavliakova D; Silmon de Monerri NC; Gomme E; Perez JL; Scott DA; Gruber WC; Jansen KU, 2023. Potential for Maternally Administered Vaccine for Infant Group B Streptococcus.  N Engl J Med 389(3):215-227

Feng S; McLellan J; Pidduck N; Roberts N; Higgins JPT; Choi Y; Izu A; Jit M; Madhi SA; Mulholland K; Pollard AJ; Temple B; Voysey M, 2023. Immunogenicity and seroefficacy of 10-valent and 13-valent pneumococcal conjugate vaccines: a systematic review and network meta-analysis of individual participant data.  EClinicalMedicine 61:102073

Madhi SA; Izu A, 2023. Safety of COVID-19 booster dose: is the juice worth the squeeze?  Lancet Infect Dis 23(10):1097-1099

Kaplonek P; Cizmeci D; Kwatra G; Izu A; Lee JS; Bertera HL; Fischinger S; Mann C; Amanat F; Wang W; Koen AL; Fairlie L; Cutland CL; Ahmed K; Dheda K; Barnabas SL; Bhorat QE; Briner C; Krammer F; Saphire EO; Gilbert SC; Lambe T; Pollard AJ; Nunes M; Wuhrer M; Lauffenburger DA; Madhi SA; Alter G, 2023. ChAdOx1 nCoV-19 (AZD1222) vaccine-induced Fc receptor binding tracks with differential susceptibility to COVID-19.  Nat Immunol 24(7):1161-1172

Koen AL; Izu A; Baillie V; Kwatra G; Cutland CL; Fairlie L; Padayachee SD; Dheda K; Barnabas SL; Bhorat QE; Briner C; Ahmed K; Bhikha S; Bhiman JN; du Plessis J; Esmail A; Horne E; Hwa SH; Oommen-Jose A; Lambe T; Laubscher M; Malahleha M; Benade G; McKenzie S; Oelofse S; Patel F; Pillay S; Rhead S; Rodel H; Taoushanis C; Tegally H; Thombrayil A; Villafana TL; Gilbert S; Pollard AJ; Madhi SA, 2023. Efficacy of primary series AZD1222 (ChAdOx1 nCoV-19) vaccination against SARS-CoV-2 variants of concern: Final analysis of a randomized, placebo-controlled, phase 1b/2 study in South African adults (COV005).  Vaccine 41(23):3486-3492

Izu A; Nunes MC; Solomon F; Baillie V; Serafin N; Verwey C; Moore DP; Laubscher M; Ncube M; Olwagen C; Dangor Z; Madhi SA, 2023. All-cause and pathogen-specific lower respiratory tract infection hospital admissions in children younger than 5 years during the COVID-19 pandemic (2020-22) compared with the pre-pandemic period (2015-19) in South Africa: an observational study.  Lancet Infect Dis 23(9):1031-1041

Madhi SA; Kwatra G; Myers JE; Jassat W; Dhar N; Mukendi CK; Blumberg L; Welch R; Izu A; Mutevedzi PC, 2023. Sustained Low Incidence of Severe and Fatal COVID-19 Following Widespread Infection Induced Immunity after the Omicron (BA.1) Dominant in Gauteng, South Africa: An Observational Study.  Viruses 15.

Olwagen CP; Izu A; Mutsaerts EAML; Jose L; Koen A; Downs SL; Van Der Merwe L; Laubscher M; Nana AJ; Moultrie A; Cutland CL; Dorfman JR; Madhi SA, 2023. Single priming and booster dose of ten-valent and 13-valent pneumococcal conjugate vaccines and Streptococcus pneumoniae colonisation in children in South Africa: a single-centre, open-label, randomised trial.  Lancet Child Adolesc Health 7(5):326-335

Shava E; Izu A; Gaolathe T; Walker A; Carty L; Georgiou P; Kuate L; Kgathi C; Sekoto T; Seonyatseng N; Mogashoa T; Maphorisa C; Mohammed T; Ntalabgwe T; Frank TT; Matlhaku B; Diphoko A; Phindela T; Kaunda A; Kgari P; Kanyakula T; Palalani G; Phakedi I; Taylor S; Mmalane M; Moyo S; Makhema J, 2023. Safety and incidence of COVID-19 following ChAdOx1(AZD1222) COVID-19 vaccination in Botswana.  J Infect 86(6):603-606

Smith M; Kwatra G; Izu A; Nel A; Cutland C; Ahmed K; Baillie V; Barnabas S; Bhorat Q; Briner C; Lazarus E; Dheda K; Fairlie L; Koen A; Madhi S; Blackburn JM, 2023. Longitudinal IgA and IgG Response, and ACE2 Binding Blockade, to Full-Length SARS-CoV-2 Spike Protein Variants in a Population of Black PLWH Vaccinated with ChAdOx1 nCoV-19.  Viruses 15.

Dangor Z; Kwatra G; Pawlowski A; Fisher PB; Izu A; Lala SG; Johansson-Lindbom B; Madhi SA, 2023. Association of infant Rib and Alp1 surface protein N-terminal domain immunoglobulin G and invasive Group B Streptococcal disease in young infants.  Vaccine 41(10):1679-1683

McMahon WC; Kwatra G; Izu A; Koen AL; Greffrath J; Fairlie L; Patel F; Mukendi CK; Mbele NJ; Lala R; Burgers WA; Nunes MC; Cutland CL; Gilbert SC; Lambe T; Pollard AJ; Madhi SA, 2023. T-cell responses induced by ChAdOx1 nCoV-19 (AZD1222) vaccine to wild-type severe acute respiratory syndrome coronavirus 2 among people with and without HIV in South Africa.  AIDS 37(1):105-112

Madhi SA; Kwatra G; Richardson SI; Koen AL; Baillie V; Cutland CL; Fairlie L; Padayachee SD; Dheda K; Barnabas SL; Bhorat QE; Briner C; Ahmed K; Aley PK; Bhikha S; Bhorat AE; Esmail A; Horne E; Kaldine H; Mukendi CK; Madzorera VS; Manamela NP; Masilela M; Hermanus ST; Motlou T; Mzindle N; Oelofse S; Patel F; Rhead S; Rossouw L; Taoushanis C; van Eck S; Lambe T; Gilbert SC; Pollard AJ; Moore PL; Izu A, 2023. Durability of ChAdOx1 nCoV-19 (AZD1222) vaccine and hybrid humoral immunity against variants including omicron BA.1 and BA.4 6 months after vaccination (COV005): a post-hoc analysis of a randomised, phase 1b-2a trial.  Lancet Infect Dis 23(3):295-306

Sato D; Izu A; Sakakibara M; Hayashi S; Kawachi R; Shimamura M; Masuda S; Sakurai H, 2022. A neuroendocrine tumor within an anterior mediastinal mature teratoma: a case report.  J Cardiothorac Surg 17(1):333

Gilbert PB; Isbrucker R; Andrews N; Goldblatt D; Heath PT; Izu A; Madhi SA; Moulton L; Schrag SJ; Shang N; Siber G; Sobanjo-Ter Meulen A, 2022. Methodology for a correlate of protection for group B Streptococcus: Report from the Bill & Melinda Gates Foundation workshop held on 10 and 11 February 2021.  Vaccine 40(32):4283-4291

Ramocha LM; van den Hoogen BG; Baillie V; van Nieuwkoop S; Cutland CL; Jones S; Moultrie A; Izu A; Verwey C; Madhi SA; Dorfman JR, 2022. Fetal Transfer of Human Metapneumovirus-Neutralizing Antibodies Is Reduced From Mothers Living With HIV-1.  J Pediatric Infect Dis Soc 11(7):341-344

Izu A; Kwatra G; Madhi SA; Rigat F, 2022. Estimation of invasive Group B Streptococcus disease risk in young infants from case-control serological studies.  BMC Med Res Methodol 22(1):85

Watanabe Y; Aikawa M; Takase K; Watanabe Y; Okada K; Okamoto K; Fujita A; Ryozawa S; Hirano Y; Sato H; Sakuramoto S; Koyama I; Izu A; Kawasaki T, 2022. Lymphoid hyperplasia with a polyp form of the gallbladder macroscopically mimicking carcinoma.  Clin J Gastroenterol 15(2):500-504

Car KP; Nakwa F; Solomon F; Velaphi SC; Tann CJ; Izu A; Lala SG; Madhi SA; Dangor Z, 2022. The association between early-onset sepsis and neonatal encephalopathy.  J Perinatol 42(3):354-358

Homma T; Izu A; Adachi JI; Fukuoka M; Nishikawa R, 2022. Cytopathological and histopathological features of cerebral granular cell astrocytoma: A case report.  Cytopathology 33(1):132-137

Mangeni NS; Solomon F; Velaphi S; Izu A; Madhi SA; Dangor Z; Lala SG, 2021. Sepsis in previously healthy neonates discharged home after delivery in Soweto, South Africa.  S Afr Med J 111(5):432-436

Dangor Z; Kwatra G; Izu A; Khan M; Lala SG; Madhi SA, 2021. Infant serotype specific anti-capsular immunoglobulin G antibody and risk of invasive group B Streptococcal disease.  Vaccine 39(47):6813-6816

Madhi SA; Koen AL; Izu A; Fairlie L; Cutland CL; Baillie V; Padayachee SD; Dheda K; Barnabas SL; Bhorat QE; Briner C; Aley PK; Bhikha S; Hermanus T; Horne E; Jose A; Kgagudi P; Lambe T; Masenya M; Masilela M; Mkhize N; Moultrie A; Mukendi CK; Moyo-Gwete T; Nana AJ; Nzimande A; Patel F; Rhead S; Taoushanis C; Thombrayil A; van Eck S; Voysey M; Villafana TL; Vekemans J; Gilbert SC; Pollard AJ; Moore PL; Kwatra G, 2021. Safety and immunogenicity of the ChAdOx1 nCoV-19 (AZD1222) vaccine against SARS-CoV-2 in people living with and without HIV in South Africa: an interim analysis of a randomised, double-blind, placebo-controlled, phase 1B/2A trial.  Lancet HIV 8(9):e568-e580

Madhi SA; Izu A; Pollard AJ, 2021. ChAdOx1 nCoV-19 Vaccine Efficacy against the B.1.351 Variant. Reply.  N Engl J Med 385(6):571-572

Madhi SA; Baillie V; Cutland CL; Voysey M; Koen AL; Fairlie L; Padayachee SD; Dheda K; Barnabas SL; Bhorat QE; Briner C; Kwatra G; Ahmed K; Aley P; Bhikha S; Bhiman JN; Bhorat AE; du Plessis J; Esmail A; Groenewald M; Horne E; Hwa SH; Jose A; Lambe T; Laubscher M; Malahleha M; Masenya M; Masilela M; McKenzie S; Molapo K; Moultrie A; Oelofse S; Patel F; Pillay S; Rhead S; Rodel H; Rossouw L; Taoushanis C; Tegally H; Thombrayil A; van Eck S; Wibmer CK; Durham NM; Kelly EJ; Villafana TL; Gilbert S; Pollard AJ; de Oliveira T; Moore PL; Sigal A; Izu A, 2021. Efficacy of the ChAdOx1 nCoV-19 Covid-19 Vaccine against the B.1.351 Variant.  N Engl J Med 384(20):1885-1898

Voysey M; Costa Clemens SA; Madhi SA; Weckx LY; Folegatti PM; Aley PK; Angus B; Baillie VL; Barnabas SL; Bhorat QE; Bibi S; Briner C; Cicconi P; Clutterbuck EA; Collins AM; Cutland CL; Darton TC; Dheda K; Dold C; Duncan CJA; Emary KRW; Ewer KJ; Flaxman A; Fairlie L; Faust SN; Feng S; Ferreira DM; Finn A; Galiza E; Goodman AL; Green CM; Green CA; Greenland M; Hill C; Hill HC; Hirsch I; Izu A; Jenkin D; Joe CCD; Kerridge S; Koen A; Kwatra G; Lazarus R; Libri V; Lillie PJ; Marchevsky NG; Marshall RP; Mendes AVA; Milan EP; Minassian AM; McGregor A; Mujadidi YF; Nana A; Padayachee SD; Phillips DJ; Pittella A; Plested E; Pollock KM; Ramasamy MN; Ritchie AJ; Robinson H; Schwarzbold AV; Smith A; Song R; Snape MD; Sprinz E; Sutherland RK; Thomson EC; Török ME; Toshner M; Turner DPJ; Vekemans J; Villafana TL; White T; Williams CJ; Douglas AD; Hill AVS; Lambe T; Gilbert SC; Pollard AJ, 2021. Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials.  Lancet 397(10277):881-891

Izu A; Sugitani M; Kinukawa N; Matsumura H; Ogawa M; Moriyama M; Yamazaki S; Takayama T; Hano H; Yao T; Kanda H; Suzuki K; Hayashi S; Ariizumi S; Yamamoto M; Morishita Y; Matsumoto K; Nakamura N; Nakano M, 2021. Hepatocellular adenoma, approximately half and predominantly inflammatory subtype, in 38 Japanese patients with several differences in age, gender, and clinical background factors from Western populations.  Hepatol Res 51(3):336-342

Madhi SA; Izu A; Kwatra G; Jones S; Dangor Z; Wadula J; Moultrie A; Adam Y; Pu W; Henry O; Briner C; Cutland CL, 2021. Association of Group B Streptococcus (GBS) Serum Serotype-Specific Anticapsular Immunoglobulin G Concentration and Risk Reduction for Invasive GBS Disease in South African Infants: An Observational Birth-Cohort, Matched Case-Control Study.  Clin Infect Dis 73(5):e1170-e1180

Voysey M; Clemens SAC; Madhi SA; Weckx LY; Folegatti PM; Aley PK; Angus B; Baillie VL; Barnabas SL; Bhorat QE; Bibi S; Briner C; Cicconi P; Collins AM; Colin-Jones R; Cutland CL; Darton TC; Dheda K; Duncan CJA; Emary KRW; Ewer KJ; Fairlie L; Faust SN; Feng S; Ferreira DM; Finn A; Goodman AL; Green CM; Green CA; Heath PT; Hill C; Hill H; Hirsch I; Hodgson SHC; Izu A; Jackson S; Jenkin D; Joe CCD; Kerridge S; Koen A; Kwatra G; Lazarus R; Lawrie AM; Lelliott A; Libri V; Lillie PJ; Mallory R; Mendes AVA; Milan EP; Minassian AM; McGregor A; Morrison H; Mujadidi YF; Nana A; O'Reilly PJ; Padayachee SD; Pittella A; Plested E; Pollock KM; Ramasamy MN; Rhead S; Schwarzbold AV; Singh N; Smith A; Song R; Snape MD; Sprinz E; Sutherland RK; Tarrant R; Thomson EC; Török ME; Toshner M; Turner DPJ; Vekemans J; Villafana TL; Watson MEE; Williams CJ; Douglas AD; Hill AVS; Lambe T; Gilbert SC; Pollard AJ, 2021. Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK.  Lancet 397(10269):99-111

Naidu G; Izu A; Madimabe MR; Poyiadjis S; MacKinnon D; Rowe B; Madhi SA, 2020. Burden of Tuberculosis in South African Children During Treatment for Underlying Malignancies: A Single-center Experience in Johannesburg.  Pediatr Infect Dis J 39(12):1111-1115

Madhi SA; Gray GE; Ismail N; Izu A; Mendelson M; Cassim N; Stevens W; Venter F, 2020. COVID-19 lockdowns in low- and middle-income countries: Success against COVID-19 at the price of greater costs.  S Afr Med J 110(8):724-726

Madhi SA; Mutsaerts EA; Izu A; Boyce W; Bhikha S; Ikulinda BT; Jose L; Koen A; Nana AJ; Moultrie A; Roalfe L; Hunt A; Goldblatt D; Cutland CL; Dorfman JR, 2020. Immunogenicity of a single-dose compared with a two-dose primary series followed by a booster dose of ten-valent or 13-valent pneumococcal conjugate vaccine in South African children: an open-label, randomised, non-inferiority trial.  Lancet Infect Dis 20(12):1426-1436

Izu A; Homma T; Shijo K; Yoshizawa T; Maebayashi T; Ohni S; Hao H, 2020. Clear cell tumor in the trigone of the lateral ventricle: A case report.  Neurochirurgie 66(5):402-404

Firth GB; Ngcakani A; Ramguthy Y; Izu A; Robertson A, 2020. The femoral deformity in Blount's disease: a comparative study of infantile, juvenile and adolescent Blount's disease.  J Pediatr Orthop B 29(4):317-322

Izu A; Homma T; Hirabayash M; Matsuoka S; Ishige T; Hao H, 2020. Idiopathic myenteric ganglionitis as a cause of death in a young male patient with sudden abdominal pain: an autopsy case report.  Int J Colorectal Dis 35(9):1801-1805

Naidu G; Izu A; Poyiadjis S; MacKinnon D; Rowe B; Madhi SA, 2020. High Burden of Serious Bacterial Infections in African Children Treated for Cancer.  Pediatr Infect Dis J 39(10):943-948

Madhi SA; Izu A; Violari A; Cotton MF; Jean-Philippe P; Otwombe K; Adrian PV, 2020. Effect of HIV-exposure and timing of antiretroviral treatment initiation in children living with HIV on antibody persistence and memory responses to Haemophilus influenzae type b and pneumococcal polysaccharide-protein conjugate vaccines.  Vaccine 38(12):2651-2659

Dbaibo G; Amanullah A; Claeys C; Izu A; Jain VK; Kosalaraksa P; Rivera L; Soni J; Yanni E; Zaman K; Acosta B; Ariza M; Arroba Basanta ML; Bavdekar A; Carmona A; Cousin L; Danier J; Diaz A; Diez-Domingo J; Dinleyici EC; Faust SN; Garcia-Sicilia J; Gomez-Go GD; Gonzales MLA; Hacimustafaoglu M; Hughes SM; Jackowska T; Kant S; Lucero M; Mares Bermudez J; Martinón-Torres F; Montellano M; Prymula R; Puthanakit T; Ruzkova R; Sadowska-Krawczenko I; Szymanski H; Ulied A; Woo W; Schuind A; Innis BL, 2020. Quadrivalent Influenza Vaccine Prevents Illness and Reduces Healthcare Utilization Across Diverse Geographic Regions During Five Influenza Seasons: A Randomized Clinical Trial.  Pediatr Infect Dis J 39(1):e1-e10

Firth GB; Foster M; Pieterse C; Ramguthy Y; Izu A; Bacarese-Hamilton J; Ramachandran M, 2020. Effect of seasonal variation on the peak presentation of slipped capital femoral epiphysis. A comparison of children in Johannesburg, South Africa and London, UK.  J Pediatr Orthop B 29(3):268-274

Dhar N; Kwatra G; Nunes MC; Cutland C; Izu A; Nachbagauer R; Krammer F; Madhi SA, 2020. Hemagglutinin Stalk Antibody Responses Following Trivalent Inactivated Influenza Vaccine Immunization of Pregnant Women and Association With Protection From Influenza Virus Illness.  Clin Infect Dis 71(4):1072-1079

Izu A; Homma T; Shijo K; Maebayashi T; Hao H, 2020. Intraoperative touch cytology for an orbital tumour.  Cytopathology 31(2):163-166

Dangor Z; Khan M; Kwatra G; Izu A; Nakwa F; Ramdin T; Fredericks J; Lala SG; Madhi SA, 2020. The Association Between Breast Milk Group B Streptococcal Capsular Antibody Levels and Late-onset Disease in Young Infants.  Clin Infect Dis 70(6):1110-1114

Velaphi SC; Izu A; Madhi SA; Pettifor JM, 2019. Maternal and neonatal vitamin D status at birth in black South Africans.  S Afr Med J 109(10):807-813

Madhi SA; Pathirana J; Baillie V; Izu A; Bassat Q; Blau DM; Breiman RF; Hale M; Mathunjwa A; Martines RB; Nakwa FL; Nzenze S; Ordi J; Raghunathan PL; Ritter JM; Solomon F; Velaphi S; Wadula J; Zaki SR; Chawana R, 2019. Unraveling Specific Causes of Neonatal Mortality Using Minimally Invasive Tissue Sampling: An Observational Study.  Clin Infect Dis 69(Suppl 4):S351-S360

Chawana R; Baillie V; Izu A; Solomon F; Bassat Q; Blau DM; Breiman RF; Hale M; Houpt ER; Lala SG; Martines RB; Mathunjwa A; Nzenze S; Pathirana J; Petersen KL; Raghunathan PL; Ritter JM; Wadula J; Zaki SR; Madhi SA, 2019. Potential of Minimally Invasive Tissue Sampling for Attributing Specific Causes of Childhood Deaths in South Africa: A Pilot, Epidemiological Study.  Clin Infect Dis 69(Suppl 4):S361-S373

Madhi SA; Pathirana J; Baillie V; Cutland C; Adam Y; Izu A; Bassat Q; Blau DM; Breiman RF; Hale M; Johnstone S; Martines RB; Mathunjwa A; Nzenze S; Ordi J; Raghunathan PL; Ritter JM; Solomon F; Wadula J; Zaki SR; Chawana R, 2019. An Observational Pilot Study Evaluating the Utility of Minimally Invasive Tissue Sampling to Determine the Cause of Stillbirths in South African Women.  Clin Infect Dis 69(Suppl 4):S342-S350

Danier J; Rivera L; Claeys C; Dbaibo G; Jain VK; Kosalaraksa P; Woo W; Yanni E; Zaman K; Acosta B; Amanullah A; Ariza M; Luisa Arroba Basanta M; Bavdekar A; Carmona A; Cousin L; Diaz A; Diez-Domingo J; Cagri Dinleyici E; Faust SN; Garcia-Sicilia J; Gomez-Go GD; Antionette Gonzales L; Hacimustafaoglu M; Hughes SM; Izu A; Jackowska T; Kant S; Lucero M; Mares Bermudez J; Martinón-Torres F; Montellano M; Prymula R; Puthanakit T; Ruzkova R; Sadowska-Krawczenko I; Soni J; Szymanski H; Ulied A; Schuind A; Innis BL, 2019. Clinical Presentation of Influenza in Children 6 to 35 Months of Age: Findings From a Randomized Clinical Trial of Inactivated Quadrivalent Influenza Vaccine.  Pediatr Infect Dis J 38(8):866-872

Kochhar S; Clarke E; Izu A; Emmanuel Kekane-Mochwari K; Cutland CL, 2019. Immunization in pregnancy safety surveillance in low and middle-income countries- field performance and validation of novel case definitions.  Vaccine 37(22):2967-2974

Madhi SA; Briner C; Maswime S; Mose S; Mlandu P; Chawana R; Wadula J; Adam Y; Izu A; Cutland CL, 2019. Causes of stillbirths among women from South Africa: a prospective, observational study.  Lancet Glob Health 7(4):e503-e512

Simani OE; Izu A; Nunes MC; Violari A; Cotton MF; Van Niekerk N; Adrian PV; Madhi SA, 2019. Effect of HIV exposure and timing of antiretroviral therapy initiation on immune memory responses to diphtheria, tetanus, whole cell pertussis and hepatitis B vaccines.  Expert Rev Vaccines 18(1):95-104

Ghoor A; Mabaso T; Mopeli K; Izu A; Madhi SA; Lala SG; Verwey C; Dangor Z, 2018. Empyema in children hospitalised at Chris Hani Baragwanath Academic Hospital, Johannesburg, South Africa: A retrospective study.  S Afr Med J 108(12):1055-1058

Yoo BW; Kim CO; Izu A; Arora AK; Heijnen E, 2018. Phase 4, Post-Marketing Safety Surveillance of the MF59-Adjuvanted Influenza Vaccines FLUAD® and VANTAFLU® in South Korean Subjects Aged ≥65 Years.  Infect Chemother 50(4):301-310

Claeys C; Zaman K; Dbaibo G; Li P; Izu A; Kosalaraksa P; Rivera L; Acosta B; Arroba Basanta ML; Aziz A; Cabanero MA; Chandrashekaran V; Corsaro B; Cousin L; Diaz A; Diez-Domingo J; Dinleyici EC; Faust SN; Friel D; Garcia-Sicilia J; Gomez-Go GD; Antoinette Gonzales ML; Hughes SM; Jackowska T; Kant S; Lucero M; Malvaux L; Mares Bermudez J; Martinon-Torres F; Miranda M; Montellano M; Peix Sambola MA; Prymula R; Puthanakit T; Ruzkova R; Sadowska-Krawczenko I; Salamanca de la Cueva I; Sokal E; Soni J; Szymanski H; Ulied A; Schuind A; Jain VK; Innis BL, 2018. Prevention of vaccine-matched and mismatched influenza in children aged 6-35 months: a multinational randomised trial across five influenza seasons.  Lancet Child Adolesc Health 2(5):338-349

Kato K; Abe H; Hanawa N; Fukuzawa J; Matsuo R; Yonezawa T; Itoh S; Sato Y; Ika M; Shimizu S; Endo S; Hano H; Izu A; Sugitani M; Tsubota A, 2018. Hepatocellular adenoma in a woman who was undergoing testosterone treatment for gender identity disorder.  Clin J Gastroenterol 11(5):401-410

Adachi K; Sakurai K; Suzuki S; Kubota H; Hara Y; Fujiwara A; Enomoto K; Izu A; Sugitani M; Makishima M; Koshinaga T, 2018. [Long-Term Capecitabine Therapy Was Successful for Locally Advanced Breast Cancer Patient - Report of a Case].  Gan To Kagaku Ryoho 45(1):94-96

Kwon CS; Al-Awar O; Richards O; Izu A; Lengvenis G, 2018. Predicting Prognosis of Patients with Chronic Subdural Hematoma: A New Scoring System.  World Neurosurg 109:e707-e714

Guillard-Maure C; Elango V; Black S; Perez-Vilar S; Castro JL; Bravo-Alcántara P; Molina-León HF; Weibel D; Sturkenboom M; Zuber PLF, 2018. Operational lessons learned in conducting a multi-country collaboration for vaccine safety signal verification and hypothesis testing: The global vaccine safety multi country collaboration initiative.  Vaccine 36(3):355-362

Perez-Vilar S; Weibel D; Sturkenboom M; Black S; Maure C; Castro JL; Bravo-Alcántara P; Dodd CN; Romio SA; de Ridder M; Nakato S; Molina-León HF; Elango V; Zuber PLF, 2018. Enhancing global vaccine pharmacovigilance: Proof-of-concept study on aseptic meningitis and immune thrombocytopenic purpura following measles-mumps containing vaccination.  Vaccine 36(3):347-354

Izu A; Solomon F; Nzenze SA; Mudau A; Zell E; O'Brien KL; Whitney CG; Verani J; Groome M; Madhi SA, 2017. Pneumococcal conjugate vaccines and hospitalization of children for pneumonia: a time-series analysis, South Africa, 2006-2014.  Bull World Health Organ 95(9):618-628

Tsujimura R; Izu A; Ohni S; Yoshida Y; Sugitani M, 2017. C-kit positive intraosseous myoepithelioma arising in rib: a case report.  Int J Clin Exp Pathol 10(8):8925-8927

Mammen VG; Dangor Z; Moore DP; Izu A; Beylis N; Madhi SA, 2017. Hospitalization for Culture-confirmed Pulmonary Tuberculosis in the Era of Childhood Pneumococcal Conjugate Vaccine Immunization.  Pediatr Infect Dis J 36(1):e14-e21

Dangor Z; Cutland CL; Izu A; Kwatra G; Trenor S; Lala SG; Madhi SA, 2016. Temporal Changes in Invasive Group B Streptococcus Serotypes: Implications for Vaccine Development.  PLoS One 11(12):e0169101

Chaya S; Dangor Z; Solomon F; Nzenze SA; Izu A; Madhi SA, 2016. Incidence of tuberculosis meningitis in a high HIV prevalence setting: time-series analysis from 2006 to 2011.  Int J Tuberc Lung Dis 20(11):1457-1462

Groome MJ; Zell ER; Solomon F; Nzenze S; Parashar UD; Izu A; Madhi SA, 2016. Temporal Association of Rotavirus Vaccine Introduction and Reduction in All-Cause Childhood Diarrheal Hospitalizations in South Africa.  Clin Infect Dis 62 Suppl 2:S188-95

Kwatra G; Adrian PV; Shiri T; Izu A; Cutland CL; Buchmann EJ; Madhi SA, 2016. Serotype-Specific Cell-Mediated Immunity Associated With Clearance of Homotypic Group B Streptococcus Rectovaginal Colonization in Pregnant Women.  J Infect Dis 213(12):1923-6

Miura K; Takahashi H; Nakagawa M; Izu A; Sugitani M; Kurita D; Sakagami M; Ohtake S; Uchino Y; Hojo A; Kodaira H; Yagi M; Kobayashi Y; Iriyama N; Kobayashi S; Kiso S; Hirabayashi Y; Hatta Y; Takei M, 2016. Clinical significance of co-expression of MYC and BCL2 protein in aggressive B-cell lymphomas treated with a second line immunochemotherapy.  Leuk Lymphoma 57(6):1335-41

Dangor Z; Kwatra G; Izu A; Adrian P; Cutland CL; Velaphi S; Ballot D; Reubenson G; Zell ER; Lala SG; Madhi SA, 2015. Correlates of protection of serotype-specific capsular antibody and invasive Group B Streptococcus disease in South African infants.  Vaccine 33(48):6793-9

Dangor Z; Kwatra G; Izu A; Adrian P; Cutland CL; Velaphi S; Ballot D; Reubenson G; Zell ER; Lala SG; Madhi SA, 2015. Association between maternal Group B Streptococcus surface-protein antibody concentrations and invasive disease in their infants.  Expert Rev Vaccines 14(12):1651-60

Nanoo A; Izu A; Ismail NA; Ihekweazu C; Abubakar I; Mametja D; Madhi SA, 2015. Nationwide and regional incidence of microbiologically confirmed pulmonary tuberculosis in South Africa, 2004-12: a time series analysis.  Lancet Infect Dis 15(9):1066-1076

Nunes MC; Cutland CL; Dighero B; Bate J; Jones S; Hugo A; van Niekerk N; Kuwanda L; Izu A; Weinberg A; Madhi SA, 2015. Kinetics of Hemagglutination-Inhibiting Antibodies Following Maternal Influenza Vaccination Among Mothers With and Those Without HIV Infection and Their Infants.  J Infect Dis 212(12):1976-87

Madhi SA; Izu A; Nunes MC; Violari A; Cotton MF; Jean-Philippe P; Klugman KP; von Gottberg A; van Niekerk N; Adrian PV, 2015. Longitudinal study on Streptococcus pneumoniae, Haemophilus influenzae and Staphylococcus aureus nasopharyngeal colonization in HIV-infected and -uninfected infants vaccinated with pneumococcal conjugate vaccine.  Vaccine 33(23):2662-9

Wittermann C; Izu A; Petri E; Gniel D; Fragapane E, 2015. Five year follow-up after primary vaccination against tick-borne encephalitis in children.  Vaccine 33(15):1824-9

Dangor Z; Kwatra G; Izu A; Adrian P; van Niekerk N; Cutland CL; Adam Y; Velaphi S; Lala SG; Madhi SA, 2015. HIV-1 Is Associated With Lower Group B Streptococcus Capsular and Surface-Protein IgG Antibody Levels and Reduced Transplacental Antibody Transfer in Pregnant Women.  J Infect Dis 212(3):453-62

Dangor Z; Kwatra G; Izu A; Lala SG; Madhi SA, 2015. Review on the association of Group B Streptococcus capsular antibody and protection against invasive disease in infants.  Expert Rev Vaccines 14(1):135-49

Fujita S; Sugimoto K; Izu A; Takemura T, 2015. A boy with IgA nephropathy complicated by tubulointerstitial nephritis and uveitis (TINU) syndrome.  Clin Nephrol 83(2):117-20

Minami T; Kuniyoshi K; Kusaka S; Sugioka K; Sakuramoto H; Sakamoto M; Izu A; Wada N; Shimomura Y, 2014. Intravitreal injection of bevacizumab for retinopathy of prematurity in an infant with peters anomaly.  Case Rep Ophthalmol 5(3):318-24

Sugimoto K; Nishi H; Miyazawa T; Wada N; Izu A; Enya T; Okada M; Takemura T, 2014. Tubulointerstitial nephritis complicating IVIG therapy for X-linked agammaglobulinemia.  BMC Nephrol 15:109

Sugimoto K; Miyazawa T; Nishi H; Izu A; Enya T; Okada M; Takemura T, 2014. Childhood Cogan syndrome with aortitis and anti-neutrophil cytoplasmic antibody-associated glomerulonephritis.  Pediatr Rheumatol Online J 12:15

Baxter R; Reisinger K; Block SL; Izu A; Odrljin T; Dull P, 2014. Antibody persistence and booster response of a quadrivalent meningococcal conjugate vaccine in adolescents.  J Pediatr 164(6):1409-15.e4

Dangor Z; Izu A; Moore DP; Nunes MC; Solomon F; Beylis N; von Gottberg A; McAnerney JM; Madhi SA, 2014. Temporal association in hospitalizations for tuberculosis, invasive pneumococcal disease and influenza virus illness in South African children.  PLoS One 9(3):e91464

Yanagida H; Tabata N; Sugimoto K; Izu A; Wada N; Sakata N; Okada M; Takemura T, 2014. Non-invasive renal artery embolization for renal dysplasia accompanied by hypertension.  Pediatr Int 56(1):107-9

Simani OE; Izu A; Violari A; Cotton MF; van Niekerk N; Adrian PV; Madhi SA, 2014. Effect of HIV-1 exposure and antiretroviral treatment strategies in HIV-infected children on immunogenicity of vaccines during infancy.  AIDS 28(4):531-41

Abdelnour A; Silas PE; Lamas MR; Aragón CF; Chiu NC; Chiu CH; Acuña TH; Castrejón Tde L; Izu A; Odrljin T; Smolenov I; Hohenboken M; Dull PM, 2014. Safety of a quadrivalent meningococcal serogroups A, C, W and Y conjugate vaccine (MenACWY-CRM) administered with routine infant vaccinations: results of an open-label, randomized, phase 3b controlled study in healthy infants.  Vaccine 32(8):965-72

Yanagida H; Sugimoto K; Izu A; Wada N; Sakata N; Takemura T, 2014. Guillain-Barré syndrome and Crohn disease: a case report.  J Child Neurol 29(9):NP78-80

Sugimoto K; Fujita S; Miyazawa T; Nishi H; Enya T; Izu A; Wada N; Sakata N; Okada M; Takemura T, 2014. Cyclosporin A may cause injury to undifferentiated glomeruli persisting in patients with Alport syndrome.  Clin Exp Nephrol 18(3):492-8

Jones SA; Groome M; Koen A; Van Niekerk N; Sewraj P; Kuwanda L; Izu A; Adrian PV; Madhi SA, 2013. Immunogenicity of seven-valent pneumococcal conjugate vaccine administered at 6, 14 and 40 weeks of age in South African infants.  PLoS One 8(8):e72794

Madhi SA; Dangor Z; Heath PT; Schrag S; Izu A; Sobanjo-Ter Meulen A; Dull PM, 2013. Considerations for a phase-III trial to evaluate a group B Streptococcus polysaccharide-protein conjugate vaccine in pregnant women for the prevention of early- and late-onset invasive disease in young-infants.  Vaccine 31 Suppl 4:D52-7

Izu A; Cohen T; Degruttola V, 2013. Bayesian estimation of mixture models with prespecified elements to compare drug resistance in treatment-naïve and experienced tuberculosis cases.  PLoS Comput Biol 9(3):e1002973

Dangor Z; Izu A; Hillier K; Solomon F; Beylis N; Moore DP; Nunes MC; Madhi SA, 2013. Impact of the antiretroviral treatment program on the burden of hospitalization for culture-confirmed tuberculosis in South African children: a time-series analysis.  Pediatr Infect Dis J 32(9):972-7

Madhi SA; Izu A; Violari A; Cotton MF; Panchia R; Dobbels E; Sewraj P; van Niekerk N; Jean-Philippe P; Adrian PV, 2013. Immunogenicity following the first and second doses of 7-valent pneumococcal conjugate vaccine in HIV-infected and -uninfected infants.  Vaccine 31(5):777-83

Jacobson RM; Jackson LA; Reisinger K; Izu A; Odrljin T; Dull PM, 2013. Antibody persistence and response to a booster dose of a quadrivalent conjugate vaccine for meningococcal disease in adolescents.  Pediatr Infect Dis J 32(4):e170-7

Izu A; Sugimoto K; Fujita S; Nishi H; Takemura Y; Okada M; Takemura T, 2012. Nonfunction of the ECT2 gene may cause renal tubulointerstitial injury leading to focal segmental glomerulosclerosis.  Clin Exp Nephrol 16(6):875-82

Szymczakiewicz-Multanowska A; Lattanzi M; Izu A; Casula D; Sparacio M; Kovacs C; Groth N, 2012. Safety assessment and immunogenicity of a cell-culture-derived influenza vaccine in adults and elderly subjects over three successive influenza seasons.  Hum Vaccin Immunother 8(5):645-52

Vesikari T; Block SL; Guerra F; Lattanzi M; Holmes S; Izu A; Gaitatzis N; Hilbert AK; Groth N, 2012. Immunogenicity, safety and reactogenicity of a mammalian cell-culture-derived influenza vaccine in healthy children and adolescents three to seventeen years of age.  Pediatr Infect Dis J 31(5):494-500

Izu A; Yanagida H; Sugimoto K; Fujita S; Okada M; Takemura T, 2011. Focal segmental glomerulosclerosis and partial deletion of chromosome 6p: a case report.  Clin Nephrol 76(1):64-7

Izu A; Cohen T; Mitnick C; Murray M; De Gruttola V, 2011. Bayesian methods for fitting mixture models that characterize branching tree processes: An application to development of resistant TB strains.  Stat Med 30(22):2708-20

Izu A; Yanagida H; Sugimoto K; Fujita S; Sakata N; Wada N; Okada M; Takemura T, 2011. Pathogenesis of focal segmental glomerular sclerosis in a girl with the partial deletion of chromosome 6p.  Tohoku J Exp Med 223(3):187-92

Frey S; Vesikari T; Szymczakiewicz-Multanowska A; Lattanzi M; Izu A; Groth N; Holmes S, 2010. Clinical efficacy of cell culture–derived and egg‐derived inactivated subunit influenza vaccines in healthy adults.  Clin Infect Dis 51(9):997-1004

Reisinger KS; Block SL; Izu A; Groth N; Holmes SJ, 2009. Subunit influenza vaccines produced from cell culture or in embryonated chicken eggs: comparison of safety, reactogenicity, and immunogenicity.  J Infect Dis 200(6):849-57

Ganju J; Izu A; Anemona A, 2008. Sample size for equivalence trials: a case study from a vaccine lot consistency trial.  Stat Med 27(19):3743-54

Tohno S; Azuma C; Ongkana N; Tohno Y; Mahakkanukrauh P; Moriwake Y; Izu A; Minami T, 2008. Age-related changes of elements in human corpus callosum and relationships among these elements.  Biol Trace Elem Res 121(2):124-33

Tohno S; Azuma C; Tohno Y; Moriwake Y; Izu A; Kumai T; Minami T, 2007. Increases of calcium, phosphorus, and magnesium in both the right and left fibrous trigones of human heart with aging.  Biol Trace Elem Res 119(2):111-9

Izu A; Kumai T; Tohno Y; Tohno S; Minami T; Yamada G; Yamada MO, 2006. Silicon intake to vertebral columns of mice after dietary supply.  Biol Trace Elem Res 113(3):297-316

Wald A; Langenberg AG; Krantz E; Douglas JM Jr; Handsfield HH; DiCarlo RP; Adimora AA; Izu AE; Morrow RA; Corey L, 2005. The relationship between condom use and herpes simplex virus acquisition.  Ann Intern Med 143(10):707-13

Izu KH; Thomas SJ; Zhang P; Izu AE; Michalek S, 2004. Effectiveness of sodium hypochlorite in preventing inoculation of periapical tissues with contaminated patency files.  J Endod 30(2):92-4

Halperin SA; McDonald J; Samson L; Danzig L; Santos G; Izu A; Smith B; MacDonald N, 2002. Simultaneous administration of meningococcal C conjugate vaccine and diphtheria-tetanus-acellular pertussis-inactivated poliovirus-Haemophilus influenzae type b conjugate vaccine in children: a randomized double-blind study.  Clin Invest Med 25(6):243-51

Wald A; Langenberg AG; Link K; Izu AE; Ashley R; Warren T; Tyring S; Douglas JM Jr; Corey L, 2001. Effect of condoms on reducing the transmission of herpes simplex virus type 2 from men to women.  JAMA 285(24):3100-6

Frey SE; Harrison C; Pass RF; Yang E; Boken D; Sekulovich RE; Percell S; Izu AE; Hirabayashi S; Burke RL; Duliège AM, 1999. Effects of antigen dose and immunization regimens on antibody responses to a cytomegalovirus glycoprotein B subunit vaccine.  J Infect Dis 180(5):1700-3

Rothstein EP; Anderson EL; Decker MD; Poland GA; Reisinger KS; Blatter MM; Jacobson RM; Mink CA; Gennevois D; Izu AE; Sinangil F; Langenberg AG, 1999. An acellular pertussis vaccine in healthy adults: safety and immunogenicity. Pennridge Pediatric Associates.  Vaccine 17(23-24):2999-3006

Heineman TC; Clements-Mann ML; Poland GA; Jacobson RM; Izu AE; Sakamoto D; Eiden J; Van Nest GA; Hsu HH, 1999. A randomized, controlled study in adults of the immunogenicity of a novel hepatitis B vaccine containing MF59 adjuvant.  Vaccine 17(22):2769-78

Corey L; Langenberg AG; Ashley R; Sekulovich RE; Izu AE; Douglas JM Jr; Handsfield HH; Warren T; Marr L; Tyring S; DiCarlo R; Adimora AA; Leone P; Dekker CL; Burke RL; Leong WP; Straus SE, 1999. Recombinant glycoprotein vaccine for the prevention of genital HSV-2 infection: two randomized controlled trials. Chiron HSV Vaccine Study Group.  JAMA 282(4):331-40

Straus SE; Wald A; Kost RG; McKenzie R; Langenberg AG; Hohman P; Lekstrom J; Cox E; Nakamura M; Sekulovich R; Izu A; Dekker C; Corey L, 1997. Immunotherapy of recurrent genital herpes with recombinant herpes simplex virus type 2 glycoproteins D and B: results of a placebo-controlled vaccine trial.  J Infect Dis 176(5):1129-34

Black SB; Shinefield HR; Bergen R; Hart C; Kremers R; Lavetter A; Lemesurier J; Morozumi PA; Ray P; Lewis EM; Fireman B; Schwalbe J; Hallam P; Shandling M; Dekker C; Granoff DM; Izu A; Podda A, 1997. Safety and immunogenicity of Chiron/Biocine recombinant acellular pertussis-diphtheria-tetanus vaccine in infants and toddlers.  Pediatr Infect Dis J 16(1):53-8

Collier AC; Coombs RW; Katzenstein D; Holodniy M; Gibson J; Mordenti J; Izu AE; Duliege AM; Ammann AJ; Merigan T, 1995. Safety, pharmacokinetics, and antiviral response of CD4-immunoglobulin G by intravenous bolus in AIDS and AIDS-related complex.  J Acquir Immune Defic Syndr Hum Retrovirol 10(2):150-6

Shearer WT; Duliege AM; Kline MW; Hammill H; Minkoff H; Ammann AJ; Chen S; Izu A; Mordenti J, 1995. Transport of recombinant human CD4-immunoglobulin G across the human placenta: pharmacokinetics and safety in six mother-infant pairs in AIDS clinical trial group protocol 146.  Clin Diagn Lab Immunol 2(3):281-5

Chen SA; Izu AE; Mordenti J; Rescigno A, 1995. Bioequivalence of Two Recombinant Human Growth Hormones in Healthy Male Volunteers after Subcutaneous Administration.  Am J Ther 2(3):190-195

Boguniewicz M; Schneider LC; Milgrom H; Newell D; Kelly N; Tam P; Izu AE; Jaffe HS; Bucalo LR; Leung DY, 1993. Treatment of steroid-dependent asthma with recombinant interferon-gamma.  Clin Exp Allergy 23(9):785-90

Schwartz DH; Gorse G; Clements ML; Belshe R; Izu A; Duliege AM; Berman P; Twaddell T; Stablein D; Sposto R, 1993. Induction of HIV-1-neutralising and syncytium-inhibiting antibodies in uninfected recipients of HIV-1IIIB rgp120 subunit vaccine.  Lancet 342(8863):69-73

Hanifin JM; Schneider LC; Leung DY; Ellis CN; Jaffe HS; Izu AE; Bucalo LR; Hirabayashi SE; Tofte SJ; Cantu-Gonzales G, 1993. Recombinant interferon gamma therapy for atopic dermatitis.  J Am Acad Dermatol 28(2 Pt 1):189-97

Polk HC Jr; Cheadle WG; Livingston DH; Rodriguez JL; Starko KM; Izu AE; Jaffe HS; Sonnenfeld G, 1992. A randomized prospective clinical trial to determine the efficacy of interferon-gamma in severely injured patients.  Am J Surg 163(2):191-6

Hodges TL; Kahn JO; Kaplan LD; Groopman JE; Volberding PA; Amman AJ; Arri CJ; Bouvier LM; Mordenti J; Izu AE, 1991. Phase 1 study of recombinant human CD4-immunoglobulin G therapy of patients with AIDS and AIDS-related complex.  Antimicrob Agents Chemother 35(12):2580-6

Boguniewicz M; Jaffe HS; Izu A; Sullivan MJ; York D; Geha RS; Leung DY, 1990. Recombinant gamma interferon in treatment of patients with atopic dermatitis and elevated IgE levels.  Am J Med 88(4):365-70

Kahn JO; Allan JD; Hodges TL; Kaplan LD; Arri CJ; Fitch HF; Izu AE; Mordenti J; Sherwin JE; Groopman JE, 1990. The safety and pharmacokinetics of recombinant soluble CD4 (rCD4) in subjects with the acquired immunodeficiency syndrome (AIDS) and AIDS-related complex. A phase 1 study.  Ann Intern Med 112(4):254-61

Anderson KP; Lucas C; Hanson CV; Londe HF; Izu A; Gregory T; Ammann A; Berman PW; Eichberg JW, 1989. Effect of dose and immunization schedule on immune response of baboons to recombinant glycoprotein 120 of HIV-1.  J Infect Dis 160(6):960-9

Brown D Jr; Henzl MR; LePage ME; Tsao LL; Izu AE; Walker KA; Adamson GD; Droegmuller W, 1986. Butoconazole vaginal cream in the treatment of vulvovaginal candidiasis. Comparison with miconazole nitrate and placebo.  J Reprod Med 31(11):1045-8

Meltzer EO; Kemp JP; Orgel HA; Izu AE, 1982. Flunisolide aerosol for treatment of severe, chronic asthma in steroid-independent children.  Pediatrics 69(3):340-5

Shapiro GG; Izu AE; Furukawa CT; Pierson WE; Bierman CW, 1981. Short-term double-blind evaluation of flunisolide aerosol for steroid-dependent asthmatic children and adolescents.  Chest 80(6):671-5

Slavin RG; Izu AE; Bernstein IL; Blumenthal MN; Bolin JF; Ouellette JJ; Reed CE; Oren J, 1980. Multicenter study of flunisolide aerosol in adult patients with steroid-dependent asthma.  J Allergy Clin Immunol 66(5):379-85

Leech SH; Rolston BS; Izu AE, 1980. Episodic asthma as a bronchial provocation test.  Ann Allergy 45(5):288-93

Henzl MR; Ortega-Herrera E; Rodriguez C; Izu A, 1979. Anaprox in dysmenorrhea: reduction of pain and intrauterine pressure.  Am J Obstet Gynecol 135(4):455-60

Buttram V; Izu A; Henzl MR, 1979. Naproxen sodium in uterine pain following intrauterine contraceptive device insertion.  Am J Obstet Gynecol 134(5):575-8

Henzl MR; Izu A, 1979. Naproxen and naproxen sodium in dysmenorrhea: development from in vitro inhibition of prostaglandin synthesis to suppression of uterine contractions in women and demonstration of clinical efficacy.  Acta Obstet Gynecol Scand Suppl 87:105-17

Hanson FW; Izu A; Henzl MR, 1978. Naproxen sodium in dysmenorrhea. Its influence in allowing continuation of work/school activities.  Obstet Gynecol 52(5):583-7

Sande HA; Salvesen T; Izu A, 1978. Treating dysmenorrhea with anti-inflammatory agents: a double-blind trial with naproxen sodium.  Int J Gynaecol Obstet 16(3):240-1

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