2010
Lipid-soluble vitamins A, D, and E in HIV-infected pregnant women in Tanzania
Mehta S, Spiegelman D, Aboud S, Giovannucci EL, Msamanga GI, Hertzmark E, Mugusi FM, Hunter DJ, Fawzi WW. Lipid-soluble vitamins A, D, and E in HIV-infected pregnant women in Tanzania. European Journal Of Clinical Nutrition 2010, 64: 808-817. PMID: 20517330, PMCID: PMC3078753, DOI: 10.1038/ejcn.2010.76.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnemia, Iron-DeficiencyAvitaminosisBlood SedimentationCD8-Positive T-LymphocytesCell CountDietFemaleGestational AgeHemoglobinsHIV InfectionsHumansNutritional StatusPregnancyPrevalenceRegression AnalysisSeleniumTanzaniaVitamin AVitamin A DeficiencyVitamin DVitamin D DeficiencyVitamin EVitamin E DeficiencyYoung AdultConceptsErythrocyte sedimentation rateVitamin E statusPregnant womenLipid-soluble vitaminsVitamin APlasma vitaminGestational ageLow vitaminE statusLow vitamin D statusHigh erythrocyte sedimentation rateLow vitamin E statusLipid-soluble vitamins ACD8 cell countsVitamin D statusHuman immunodeficiency virusPlasma vitamin EPoor nutritional statusPlasma vitamin ALow plasma vitamin AResource-limited settingsD statusLaboratory parametersImmunodeficiency virusSevere anemia
2004
A Randomized Trial of Multivitamin Supplements and HIV Disease Progression and Mortality
Fawzi WW, Msamanga GI, Spiegelman D, Wei R, Kapiga S, Villamor E, Mwakagile D, Mugusi F, Hertzmark E, Essex M, Hunter DJ. A Randomized Trial of Multivitamin Supplements and HIV Disease Progression and Mortality. New England Journal Of Medicine 2004, 351: 23-32. PMID: 15229304, DOI: 10.1056/nejmoa040541.Peer-Reviewed Original ResearchConceptsVitamin AHIV diseaseMultivitamin supplementsHuman immunodeficiency virus (HIV) diseasePlacebo-controlled trialHIV disease progressionStage 4 diseaseLow viral loadHigher CD4Antiretroviral therapyPrimary outcomeImmunodeficiency syndromeRandomized trialsViral loadPregnant womenDisease progressionRelative riskObservational studyDaily supplementCell countEnd pointMicronutrient statusMultivitaminsDiseaseProgressionEffect of Prenatal Vitamin Supplementation on Lower-Genital Levels of HIV Type 1 and Interleukin Type 1β at 36 Weeks of Gestation
Fawzi W, Msamanga G, Antelman G, Xu C, Hertzmark E, Spiegelman D, Hunter D, Anderson D. Effect of Prenatal Vitamin Supplementation on Lower-Genital Levels of HIV Type 1 and Interleukin Type 1β at 36 Weeks of Gestation. Clinical Infectious Diseases 2004, 38: 716-722. PMID: 14986257, DOI: 10.1086/381673.Peer-Reviewed Original ResearchConceptsHIV-1HIV-1-infected pregnant womenVitamin AHIV-1-infected womenType 1Human immunodeficiency virus type 1Immunodeficiency virus type 1Genital HIV-1Prenatal multivitamin supplementsHIV-1 transmissionCervicovaginal lavage specimensHIV Type 1HIV-1 infectionLower genital tractWeeks of gestationPrenatal vitamin supplementationUse of vitaminsVirus type 1Lack of effectPregnancy outcomesVaginal inflammationViral sheddingVitamin supplementationMultivitamin supplementsPregnant women
2003
Premenopausal intakes of vitamins A, C, and E, folate, and carotenoids, and risk of breast cancer.
Cho E, Spiegelman D, Hunter DJ, Chen WY, Zhang SM, Colditz GA, Willett WC. Premenopausal intakes of vitamins A, C, and E, folate, and carotenoids, and risk of breast cancer. Cancer Epidemiology Biomarkers & Prevention 2003, 12: 713-20. PMID: 12917201.Peer-Reviewed Original ResearchConceptsHealth Study IIBreast cancer riskBreast cancerVitamin ACancer riskNurses' Health Study IIMultivariate relative riskFood frequency questionnaireInvasive breast cancerPrevious epidemiological studiesEarly adult lifePostmenopausal womenPremenopausal womenIncident casesHighest quintileLowest quintileRelative riskHigh intakeEpidemiological studiesNutrient intakeTotal vitaminCancerStudy IIIntakeVitamin CEffect of Providing Vitamin Supplements to Human Immunodeficiency Virus-Infected, Lactating Mothers on the Child's Morbidity and CD4+ Cell Counts
Fawzi WW, Msamanga GI, Wei R, Spiegelman D, Antelman G, Villamor E, Manji K, Hunter D. Effect of Providing Vitamin Supplements to Human Immunodeficiency Virus-Infected, Lactating Mothers on the Child's Morbidity and CD4+ Cell Counts. Clinical Infectious Diseases 2003, 36: 1053-1062. PMID: 12684919, DOI: 10.1086/374223.Peer-Reviewed Original ResearchConceptsMultivitamin armCell countVitamin AHuman immunodeficiency virus type 1Immunodeficiency virus type 1Placebo-controlled trialCells/microLHIV-negative childrenHIV-positive childrenHuman immunodeficiency virusChildren of womenRapid respiratory rateVirus type 1Low-cost interventionEffect of supplementationMaternal receiptMean CD4Immunodeficiency virusMultivitamin supplementsChild morbidityChild healthVitamin supplementsLower riskRespiratory rateType 1
2002
Effect of multivitamin and vitamin A supplements on weight gain during pregnancy among HIV-1-infected women 1 , 2 , 3
Villamor E, Msamanga G, Spiegelman D, Antelman G, Peterson KE, Hunter DJ, Fawzi WW. Effect of multivitamin and vitamin A supplements on weight gain during pregnancy among HIV-1-infected women 1 , 2 , 3. American Journal Of Clinical Nutrition 2002, 76: 1082-1090. PMID: 12399282, DOI: 10.1093/ajcn/76.5.1082.Peer-Reviewed Original ResearchConceptsEffects of multivitaminsThird trimesterWeight gainVitamin AMultivitamin supplementationSecond trimesterHIV-1-positive womenAdverse pregnancy outcomesPlacebo-controlled trialGestational weight gainHIV-positive womenEnd of pregnancyPregnancy outcomesOral supplementsAverage weight gainProtective effectTrimesterLower weight gainMultivitaminsPregnancyWomen 1HIVWomenDar es SalaamLower ratesRandomized trial of vitamin supplements in relation to transmission of HIV-1 through breastfeeding and early child mortality
Fawzi WW, Msamanga GI, Hunter D, Renjifo B, Antelman G, Bang H, Manji K, Kapiga S, Mwakagile D, Essex M, Spiegelman D. Randomized trial of vitamin supplements in relation to transmission of HIV-1 through breastfeeding and early child mortality. AIDS 2002, 16: 1935-1944. PMID: 12351954, DOI: 10.1097/00002030-200209270-00011.Peer-Reviewed Original ResearchConceptsHIV-1 transmissionInfants of mothersVitamin ALower baseline lymphocyte countsHigh erythrocyte sedimentation rateChild mortalityBaseline lymphocyte countMaternal micronutrient statusHIV-free survivalErythrocyte sedimentation rateLow birthweight babiesEarly child mortalityRisk of transmissionLymphocyte countLower hemoglobinMultivitamin supplementationWeeks' gestationBirthweight babiesPregnant womenHIV-1Vitamin supplementsMultivitaminsNutritional statusMicronutrient statusMortalityVitamins and carotenoids intake and the risk of basal cell carcinoma of the skin in women (United States)
Fung TT, Hunter DJ, Spiegelman D, Colditz GA, Speizer FE, Willett WC. Vitamins and carotenoids intake and the risk of basal cell carcinoma of the skin in women (United States). Cancer Causes & Control 2002, 13: 221-230. PMID: 12020103, DOI: 10.1023/a:1015036317596.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge DistributionAscorbic AcidCarcinoma, Basal CellCarotenoidsCohort StudiesConfidence IntervalsDietDietary SupplementsFemaleHumansIncidenceLogistic ModelsMiddle AgedProbabilityProspective StudiesRisk AssessmentSensitivity and SpecificitySkin NeoplasmsUnited StatesVitamin AVitamin EVitaminsConceptsBasal cell carcinomaVitamin ACell carcinomaDietary intakeRelative riskSun sensitivity factorsMultivariate relative riskFood frequency questionnaireRisk of BCCSignificant inverse associationIncidence of BCCImportant protective roleFirst diagnosisDietary factorsInverse associationSun exposureLatency periodProtective roleSpecific carotenoidsLogistic regressionVitamin CBottom quintileIntakeCarcinomaRiskVitamin A Supplements Ameliorate the Adverse Effect of HIV-1, Malaria, and Diarrheal Infections on Child Growth
Villamor E, Mbise R, Spiegelman D, Hertzmark E, Fataki M, Peterson KE, Ndossi G, Fawzi WW. Vitamin A Supplements Ameliorate the Adverse Effect of HIV-1, Malaria, and Diarrheal Infections on Child Growth. Pediatrics 2002, 109: e6-e6. PMID: 11773574, DOI: 10.1542/peds.109.1.e6.Peer-Reviewed Original ResearchConceptsMid-upper arm circumferenceMonths of ageVitamin A supplementsPersistent diarrheaHIV infectionRespiratory infectionsVitamin AArm circumferenceHIV statusStudy clinicTreatment armsA supplementsHigher mid-upper arm circumferenceHuman immunodeficiency virus (HIV) infectionInfectious diseasesAdverse effectsLow arm circumferenceEpisodes of infectionImmunodeficiency virus infectionDay of admissionIU vitamin APrevalence of vitaminChild growthConfidence intervalsSeverity of diarrhea
2000
Vitamin A supplements and diarrheal and respiratory tract infections among children in Dar es Salaam, Tanzania
Fawzi W, Mbise R, Spiegelman D, Fataki M, Hertzmark E, Ndossi G. Vitamin A supplements and diarrheal and respiratory tract infections among children in Dar es Salaam, Tanzania. The Journal Of Pediatrics 2000, 137: 660-667. PMID: 11060532, DOI: 10.1067/mpd.2000.110136.Peer-Reviewed Original ResearchConceptsRespiratory tract infectionsHuman immunodeficiency virusTract infectionsVitamin APlacebo-controlled trialAcute respiratory infectionsSevere watery diarrheaRisk of diarrheaEffect of vitaminDuration of episodesRapid respiratory rateLow-cost interventionAcute diarrheaRespiratory infectionsImmunodeficiency virusWatery diarrheaAdverse outcomesUndernourished childrenHigh riskDiarrheaRespiratory rateInfectionSmall riskPlaceboDar es SalaamVitamin A supplementation and other predictors of anemia among children from Dar Es Salaam, Tanzania.
Villamor E, Mbise R, Spiegelman D, Ndossi G, Fawzi WW. Vitamin A supplementation and other predictors of anemia among children from Dar Es Salaam, Tanzania. American Journal Of Tropical Medicine And Hygiene 2000, 62: 590-7. PMID: 11289670, DOI: 10.4269/ajtmh.2000.62.590.Peer-Reviewed Original ResearchConceptsSevere anemiaHemoglobin levelsHuman immunodeficiency virus (HIV) infectionPredictors of anemiaPlacebo-controlled trialImmunodeficiency virus infectionMean hemoglobin levelAssociation of hemoglobinMonths of breastfeedingDiagnosis of malariaYears of agePotential confounding variablesMonth old infantsLow socioeconomic statusHIV infectionIndependent determinantsMalaria infectionMaternal levelsAdditional dosesNonsignificant reductionHematologic profileVirus infectionSignificant fallHemoglobin concentrationVitamin ARandomized Trial of Vitamin Supplements in Relation to Vertical Transmission of HIV-1 in Tanzania
Fawzi W, Msamanga G, Hunter D, Urassa E, Renjifo B, Mwakagile D, Hertzmark E, Coley J, Garland M, Kapiga S, Antelman G, Essex M, Spiegelman D. Randomized Trial of Vitamin Supplements in Relation to Vertical Transmission of HIV-1 in Tanzania. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2000, 23: 246-254. DOI: 10.1097/00042560-200003010-00006.Peer-Reviewed Original ResearchConceptsPregnant womenPolymerase chain reactionVitamin APlacebo-controlled trialPoor nutritional statusBackground Observational studiesMultivitamin armHIV infectionHIV statusWeeks postpartumObservational studyHIV-1High riskHIVNutritional statusEffects of supplementsVertical transmissionChain reactionBirthMultivitaminsBabiesWomenSupplementsVitaminArmRandomized trial of vitamin supplements in relation to vertical transmission of HIV-1 in Tanzania.
Fawzi W, Msamanga G, Hunter D, Urassa E, Renjifo B, Mwakagile D, Hertzmark E, Coley J, Garland M, Kapiga S, Antelman G, Essex M, Spiegelman D. Randomized trial of vitamin supplements in relation to vertical transmission of HIV-1 in Tanzania. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2000, 23: 246-54. PMID: 10839660, DOI: 10.1097/00126334-200003010-00006.Peer-Reviewed Original ResearchConceptsPregnant womenPolymerase chain reactionVitamin APlacebo-controlled trialPoor nutritional statusMultivitamin armHIV infectionHIV statusWeeks postpartumObservational studyHIV-1High riskHIVNutritional statusEffects of supplementsVertical transmissionChain reactionBirthMultivitaminsBabiesWomenSupplementsVitaminArmStatusRandomized Trial of Vitamin Supplements in Relation to Vertical Transmission of HIV-1 in Tanzania
Fawzi W, Msamanga G, Hunter D, Urassa E, Renjifo B, Mwakagile D, Hertzmark E, Coley J, Garland M, Kapiga S, Antelman G, Essex M, Spiegelman D. Randomized Trial of Vitamin Supplements in Relation to Vertical Transmission of HIV-1 in Tanzania. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2000, 23: 246-254. DOI: 10.1097/00126334-200003010-00005.Peer-Reviewed Original ResearchPregnant womenPolymerase chain reactionVitamin APlacebo-controlled trialPoor nutritional statusMultivitamin armHIV infectionHIV statusWeeks postpartumObservational studyHIV-1High riskHIVNutritional statusEffects of supplementsVertical transmissionChain reactionBirthMultivitaminsBabiesWomenSupplementsVitaminArmStatus
1999
A prospective study of carotenoid intake and risk of cataract extraction in US men
Brown L, Rimm E, Seddon J, Giovannucci E, Chasan-Taber L, Spiegelman D, Willett W, Hankinson S. A prospective study of carotenoid intake and risk of cataract extraction in US men. American Journal Of Clinical Nutrition 1999, 70: 517-524. PMID: 10500021, DOI: 10.1093/ajcn/70.4.517.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAlcohol DrinkingBeta CaroteneBrassicaCarotenoidsCataractCataract ExtractionCohort StudiesDiabetes ComplicationsDiet SurveysHumansLuteinMaleMiddle AgedMultivariate AnalysisProspective StudiesRisk FactorsSmokingSpinacia oleraceaSurveys and QuestionnairesUnited StatesVitamin AXanthophyllsZeaxanthinsConceptsCataract extractionLower riskUS male health professionalsDetailed dietary questionnairesMale health professionalsProspective epidemiologic dataProspective cohort studyIntake of carotenoidsRisk of cataractPotential risk factorsAge-related cataractSenile cataract extractionDietary questionnaireCohort studyZeaxanthin intakeHighest fifthProspective studyRisk factorsEpidemiologic dataHigh intakeCarotenoid intakeUS menDietary antioxidantsVitamin AHealth professionalsRationale and Design of the Tanzania Vitamin and HIV Infection Trial
Fawzi W, Msamanga G, Spiegelman D, Urassa E, Hunter D. Rationale and Design of the Tanzania Vitamin and HIV Infection Trial. Contemporary Clinical Trials 1999, 20: 75-90. PMID: 10027501, DOI: 10.1016/s0197-2456(98)00045-2.Peer-Reviewed Original ResearchConceptsHIV infectionVitamin APregnant womenPolymerase chain reactionVitamin supplementsHIV-positive pregnant womenVertical transmissionHIV Infection TrialInfant immune functionEligible pregnant womenPlacebo-controlled trialClinical staging systemHIV-positive womenGenital tract secretionsUse of supplementsHIV diseaseMost HIVPrevention trialsViral loadMain endpointBreast milkStaging systemCohort retentionPosttest counselingTract secretions
1998
Vitamin A supplementation and severity of pneumonia in children admitted to the hospital in Dar es Salaam, Tanzania 1 2 3
Fawzi WW, Mbise RL, Fataki MR, Herrera MG, Kawau F, Hertzmark E, Spiegelman D, Ndossi G. Vitamin A supplementation and severity of pneumonia in children admitted to the hospital in Dar es Salaam, Tanzania 1 2 3. American Journal Of Clinical Nutrition 1998, 68: 187-192. PMID: 9665113, DOI: 10.1093/ajcn/68.1.187.Peer-Reviewed Original ResearchConceptsVitamin APlacebo groupTanzanian childrenLarge dosesAcute lower respiratory tract infectionLower respiratory tract infectionsImportant public health problemPlacebo-controlled trialRespiratory tract infectionsDay of admissionSeverity of pneumoniaBreast-feeding statusCourse of pneumoniaSevere clinical conditionMean numberPublic health problemRapid respiratory rateHospital stayTract infectionsDietary vitaminClinical conditionsProtective effectRespiratory diseaseHealth problemsNutritional statusRandomised trial of effects of vitamin supplements on pregnancy outcomes and T cell counts in HIV-1-infected women in Tanzania
Fawzi W, Msamanga G, Spiegelman D, Urassa E, McGrath N, Mwakagile D, Antelman G, Mbise R, Kapiga S, Willett W, Hunter D, Team F, Herrera G. Randomised trial of effects of vitamin supplements on pregnancy outcomes and T cell counts in HIV-1-infected women in Tanzania. The Lancet 1998, 351: 1477-1482. PMID: 9605804, DOI: 10.1016/s0140-6736(98)04197-x.Peer-Reviewed Original ResearchConceptsHIV-1-infected womenT-cell countsHIV-1 diseaseBirth outcomesVitamin APregnancy outcomesMultivitamin supplementationHIV-1-infected pregnant womenPoor micronutrient statusTrial of effectAdverse pregnancy outcomesPlacebo-controlled trialT lymphocyte subsetsAdverse birth outcomesEffects of multivitaminsSevere preterm birthsLymphocyte subsetsPreterm birthFetal deathWeeks' gestationGestational ageClinical progressionPregnant womenLow birthweightFaster progression
1997
Regression calibration method for correcting measurement-error bias in nutritional epidemiology
Spiegelman D, McDermott A, Rosner B. Regression calibration method for correcting measurement-error bias in nutritional epidemiology. American Journal Of Clinical Nutrition 1997, 65: s1179-s1186. PMID: 9094918, DOI: 10.1093/ajcn/65.4.1179s.Peer-Reviewed Original ResearchConceptsHealth StudyDietary intakeMassachusetts Women's Health StudyUltradistal radius bone densityCox proportional hazards modelRadius bone densityNurses' Health StudyWomen's Health StudyIncidence rate ratiosRate ratioProportional hazards modelOdds ratioBone densityBreast cancerHazards modelVitamin ANutritional epidemiologyLogistic regressionGold standardLinear regression modelsEpidemiologyIntakeRegression modelsValidation studyPerson error
1993
Vitamin A supplementation and dietary vitamin A in relation to the risk of xerophthalmia
Fawzi W, Herrera, Willett W, Amin A, Nestel P, Lipsitz S, Spiegelman D, Mohamed K. Vitamin A supplementation and dietary vitamin A in relation to the risk of xerophthalmia. American Journal Of Clinical Nutrition 1993, 58: 385-391. PMID: 8237850, DOI: 10.1093/ajcn/58.3.385.Peer-Reviewed Original ResearchConceptsRisk of xerophthalmiaDietary vitaminVitamin AIncidence of xerophthalmiaTotal dietary vitaminMultivariate relative riskRisk of vitaminVitamin A supplementsDietary vitamin ASigns of vitaminEye symptomsExtreme quintilesNutritional blindnessRelative riskA supplementsReduced riskXerophthalmiaVitaminRiskPreschool childrenFurther dataChildrenIntakeSupplementationSame endpoints