| Not Yet Recruiting | Multiple Micronutrient Supplementation With Digital Layering Among Adolescents in Tanzania Anemia | N/A | 2026-05-01 |
| Not Yet Recruiting | Effects of Whole Fruit on Blood Sugar in People With Type 2 Diabetes Type 2 Diabetes | N/A | 2026-04-01 |
| Not Yet Recruiting | Long-term Effectiveness and Implementation of the Meals, Education, and Gardens for In-School Adolescents Prog Anemia, Nutritional Status | N/A | 2026-01-01 |
| Recruiting | Beat the Heat Boston Hot Weather; Adverse Effect, Heat Effect, Heat Stress | N/A | 2025-05-19 |
| Recruiting | LIFT-UP: Randomized Controlled Trial of Fortification of Human Milk Very Preterm Infant, Very Low Birthweight | N/A | 2025-01-16 |
| Recruiting | Zinc Supplementation for Young Infants With Clinical Severe Infection in Tanzania Neonatal Infection | Phase 3 | 2024-12-27 |
| Completed | Low Birthweight and Preterm Infant Feeding Trial and Supportive Care Package: Implementation Research Low Birthweight, Preterm Birth | N/A | 2024-05-08 |
| Recruiting | Culturally Adapted Dietary Clinical Trial in PR Diabetes Mellitus, Type 2, Obesity, Hypertension | N/A | 2024-05-02 |
| Completed | Targeting Access and Knowledge of Earned Income Tax Credit (EITC) Utilization and Policies Mental Health Issue, Food Security, Well-being | N/A | 2024-03-01 |
| Unknown | Evaluation of a Group-based Parenting Intervention for Early Childhood Development Child Development | N/A | 2023-11-01 |
| Completed | Adapting and Evaluating a Brief Advice Tobacco Intervention in High-Reach, Low-Resource Settings in India Tobacco Use Cessation | N/A | 2023-11-01 |
| Active Not Recruiting | Doulas as Environmental Educators and Partners Study Health Knowledge, Attitudes, Practice | N/A | 2023-10-20 |
| Enrolling By Invitation | Enhancing Equity in Smoke-free Housing Tobacco Use, Tobacco Smoking, Tobacco Use Cessation | N/A | 2023-09-01 |
| Active Not Recruiting | Teaching Kitchen Multisite Trial Obesity | N/A | 2023-09-01 |
| Recruiting | BEP Targeting Strategies in Ethiopia Small for Gestational Age at Delivery, Gestational Weight Gain, Stillbirth | N/A | 2023-08-07 |
| Completed | Improving Cancer Screening and Follow-up in Community Health Centers Breast Cancer Screening, Colorectal Cancer Screening, Implementation | N/A | 2023-07-25 |
| Completed | Improving Health and Environmental Health Literacy of Professionals Health Knowledge, Attitudes, Practice | N/A | 2023-06-30 |
| Active Not Recruiting | Comparing Smartphone to In-person Training to Scale Up a Tobacco Control Program for Teachers in India Tobacco Use Cessation | N/A | 2023-06-27 |
| Active Not Recruiting | Impact of Sunscreen Dispensers in Parks Visited by Teenagers Skin Neoplasm, Adolescent Behavior, Sunscreening Agents | N/A | 2023-06-03 |
| Active Not Recruiting | Evaluation of the Moments That Matter Program in Kenya Child Development | N/A | 2023-02-27 |
| Completed | Dietary Biomarkers Intervention Core Biological Markers, Diet, Healthy, Metabolomics | N/A | 2023-02-01 |
| Active Not Recruiting | Preventing Ischemic Heart Disease With mHealth (Mobile Health), Electronic Decision Support and Community Heal Cardiovascular Diseases (CVD) | N/A | 2022-10-14 |
| Completed | Culturally Optimized Messages for Latinos Diet, Healthy, Diet Habit, Obesity | N/A | 2022-07-13 |
| Active Not Recruiting | POC HIV Testing and Early DTG Use for Infants HIV | Phase 4 | 2022-07-04 |
| Completed | School-Based Assessment of Micronutrient Interventions in Adolescents (SAMIA) in Zanzibar Anemia | N/A | 2022-03-10 |
| Completed | Meals, Education, and Gardens for In-School Adolescents (MEGA) Project Anemia | N/A | 2022-01-24 |
| Completed | Evaluation of a Nurse Mentorship and Digital Health Package Intervention in Kenya Quality of Care | N/A | 2021-11-05 |
| Completed | Front-of-package Marketing on Fruit Drinks: Online RCT Consumer Behavior, Consumer Preference | N/A | 2021-05-19 |
| Completed | Vitamin D and Zinc Supplementation for Improving Treatment Outcomes Among COVID-19 Patients in India COVID-19 | Phase 3 | 2021-04-22 |
| Completed | School-Based Assessment of Micronutrient Interventions in Adolescents in Burkina Faso Anemia | Phase 3 | 2020-12-11 |
| Completed | Estonia's Enhanced Care Management Impact Evaluation Multi-morbidity, Non-communicable Diseases | — | 2020-11-24 |
| Completed | Paired Promotion of Colorectal Cancer and Social Determinants of Health Screening Colorectal Cancer, Social Determinants of Health | N/A | 2020-10-01 |
| Completed | Case Control Study of Vitamin D Status and Adult Multidrug-resistant Pulmonary Tuberculosis in Maharashtra, In Multi-drug Resistant Tuberculosis | — | 2020-01-27 |
| Completed | Effect of Knowledge on Vaccine Take-up in Adamawa State, Northeastern Nigeria Immunization; Infection, Educational Problems, Information Seeking Behavior | N/A | 2019-09-15 |
| Completed | Helping Mothers Select Better Childbirth Hospitals Cesarean Section | N/A | 2019-08-15 |
| Completed | Feasibility and Accuracy of Nanosensor-based Cancer Diagnosis at the Point-of-care (Chedza) Breast Neoplasms, Lymphoma | N/A | 2019-08-01 |
| Completed | Low-birthweight Infant Feeding Exploration Low Birthweight, Pre-Term | — | 2019-07-31 |
| Completed | Evaluation of the Ambuja Cement Foundation Noncommunicable Disease Program in Bathinda District of Punjab, Ind Non Communicable Diseases, Blood Pressure, Behavior, Health | N/A | 2019-07-30 |
| Completed | Culturally-Adapted Diet for Puerto Rican Adults Diabetes Mellitus, Type 2, Obesity, Hypertension | N/A | 2019-07-01 |
| Completed | Optimizing Smoke-free Residential Housing Policies Smoking, Tobacco, Second Hand Tobacco Smoke, Smoking Cessation | N/A | 2019-05-20 |
| Unknown | Home HIV Testing for Older Adults in South Africa HIV Infections, Knowledge, Attitudes, Practice | N/A | 2019-05-15 |
| Completed | Healthy Eating Education for Latinos Diet, Healthy, Diet Habit, Obesity | N/A | 2019-04-29 |
| Recruiting | Psychosocial, Environmental, and Chronic Disease Trends in Puerto Rico Heart Diseases, Type2 Diabetes, Hypertension | — | 2019-03-01 |
| Completed | Anemia Etiology Evaluation in Ethiopia Anemia | — | 2019-01-27 |
| Completed | LEAPS-NCHD Program Evaluation Child Development | N/A | 2019-01-01 |
| Completed | Non-inferiority of Lower Dose Calcium Supplementation During Pregnancy Pregnancy Related | Phase 3 | 2018-11-30 |
| Completed | Integrated Approaches to Health and Safety in a Dynamic Construction Work Environment Worker Health, Work Injury, Safety Climate | N/A | 2018-07-24 |
| Completed | The Effect of Peer Comparison Emails on Oncologists' Documentation of Cancer Stage Oncology | N/A | 2018-07-01 |
| Completed | Electricity Access and Maternal Care in Rural Health Facilities in Uganda Quality of Care | N/A | 2018-06-13 |
| Completed | An Evaluation of the Team Birth Project Pregnancy Complications, Cesarean Section Complications, Maternal Complication of Pregnancy | N/A | 2018-05-29 |
| Completed | Reaching 90% HIV Suppression: The Role of POC Viral Load Monitoring in Nigeria HIV/AIDS | N/A | 2018-04-09 |
| Completed | Evaluation Study of SPOTme® Skin Cancer Screenings Skin Cancer | N/A | 2017-12-01 |
| Completed | Adolescent Master Protocol for Participants 18 Years of Age or Older - Lite HIV/AIDS | — | 2017-11-01 |
| Completed | Peanut Consumption and Cardiovascular Disease Risk in a Chinese Population T2D | N/A | 2017-10-24 |
| Completed | Organizational Approaches to TWH for Low-Income Workers Work-related Injury | N/A | 2017-08-01 |
| Completed | Verbal Autopsy of Maternal Deaths, Stillbirths, and Neonatal Deaths in BetterBirth Perinatal Death, Neonatal Death, Stillbirth | — | 2017-07-03 |
| Completed | Nurses' Health Study and Health Professionals Follow-Up Study (Dermatological Component) Skin Cancer, Melanoma, Non-melanoma Skin Cancer | — | 2017-01-01 |
| Completed | Nutrition-sensitive Agricultural Interventions for Ethiopia Dietary Modification, Health Behavior | N/A | 2016-11-01 |
| Completed | Objective Assessment of Physical Activity in Before-school Physical Activity Programs Physical Activity, Sleep | N/A | 2016-10-17 |
| Completed | Waiting Time. Wasting Time Pregnancy | N/A | 2016-10-01 |
| Completed | Feeding America's Bravest: Mediterranean Diet-Based Interventions to Change Firefighters' Eating Habits Diet, Mediterranean, Health Behavior, Program Sustainability | N/A | 2016-10-01 |
| Completed | Effective Training Models for Implementing Health-Promoting Practices Afterschool Obesity, Childhood | N/A | 2016-09-01 |
| Completed | Impact of HIV Self-testing Among Female Sex Workers in Kampala, Uganda HIV Infection | N/A | 2016-09-01 |
| Completed | Comparing Low-cost Handheld Autorefractors - a Practical Approach to Measuring Refraction in Low Resource Sett Myopia, Hyperopia | — | 2016-08-15 |
| Completed | Zambian Peer-Educators for HIV Self-Testing Study HIV Infection | N/A | 2016-08-01 |
| Completed | Incentives for Postnatal Care Demand Maternal Death, Neonatal Death | N/A | 2016-08-01 |
| Completed | Homestead Agriculture and Nutrition Project Diet Modification, Health Behavior | N/A | 2016-07-20 |
| Completed | Money or Knowledge? Behavioral Aspects of Malnutrition Malnutrition | N/A | 2016-07-01 |
| Completed | Potlako: A Programmatic Intervention to Improve Access to Timely Oncology Care Neoplasms, HIV, Healthcare Disparity | N/A | 2016-05-13 |
| Active Not Recruiting | Nurse-Family Partnership Impact Evaluation in South Carolina Preterm Birth, Injuries, Maternal Behavior | N/A | 2016-04-01 |
| Completed | The Impact of Home Delivery of Antiretroviral Therapy on Virological Suppression HIV, Community Health Workers, Antiretroviral Therapy, Highly Active | N/A | 2016-03-01 |
| Completed | "Make It Fresh, For Less" Supermarket Pilot Study Food Habits, Consumer Behavior | N/A | 2015-10-08 |
| Completed | Vitamin D Supplementation in TB Prevention Latent Tuberculosis | Phase 3 | 2015-09-01 |
| Completed | Impact and Performance of Institutionalizing Immediate Post-partum IUD Services Contraception | N/A | 2015-09-01 |
| Completed | Translating Adoption of Improved Varieties Into Nutritional Impact Malnutrition | N/A | 2015-07-01 |
| Completed | School-based Health Programs on Children's Wellbeing in Lusaka, Zambia Acute Disease, Morbidity | N/A | 2015-06-17 |
| Completed | Prospective Evaluation of a Comprehensive Smoke-Free Public Housing Policy in a Multi-State Setting Smoking Cessation | N/A | 2015-06-01 |
| Active Not Recruiting | Early Infant HIV Treatment in Botswana HIV, Pediatric AIDS | Phase 2 / Phase 3 | 2015-05-04 |
| Completed | Reducing Skin Cancer Risk in Childhood Cancer Survivors Skin Neoplasms | N/A | 2015-03-01 |
| Completed | Fish and Marine Fatty Acids, Genetic Signatures of Diet Adaptation, and Long-term Weight Changes Obesity | — | 2015-02-01 |
| Completed | The Impact of Employee Wellness Programs Health Behavior, Disease, Chronic | N/A | 2015-01-01 |
| Completed | BetterBirth: A Trial of the WHO Safe Childbirth Checklist Program Maternal Death, Maternal Morbidity, Stillbirth | N/A | 2014-11-01 |
| Completed | Manville Moves: an Exercise Intervention for Behavioral Regulation Among Children With Behavioral Health Chall Autistic Disorder, Attention Deficit and Disruptive Behavior Disorders, Anxiety Disorders | N/A | 2014-10-01 |
| Completed | Eye Examinations as a Gold Standard to Evaluating Survey Instruments Self Report, Questionnaire Design | N/A | 2014-09-01 |
| Completed | Adolescent Master Protocol for Participants 18 Years of Age and Older (AMP Up) HIV/AIDS | — | 2014-04-01 |
| Completed | Postpartum Empowerment: an Integrated Approach Driving Demand and Delivery of High Quality, Low-cost Postnatal Maternal and Newborn Health | N/A | 2014-04-01 |
| Completed | DUCS-DHD Determinants of Hypertension in Tanzania Hypertension, Obesity | — | 2014-03-01 |
| Withdrawn | Sub-Trial of the Youth Readiness Intervention (YRI): Treatment of Control Group and Addition of Stress Biomark Anxiety Disorder, Depressive Disorder, Social Problems | N/A | 2014-03-01 |
| Completed | Trial of Vitamin D in HIV Progression HIV Infection | Phase 3 | 2014-02-01 |
| Completed | Families Reduce Exposure to Smoke at Home Tobacco Use Cessation, Second Hand Tobacco Smoke | N/A | 2013-09-01 |
| Completed | The Impact of Prenatal Short Messages (SMS) on Maternal and Newborn Health Short Message Service, Text Messaging | N/A | 2013-09-01 |
| Completed | A Skills and Drills Intervention for Emergency Obstetrics and Neonatal Care at First Referral Units of North K Obstetric and Perinatal Complications, Postpartum Hemorrhage, Preeclampsia/Eclampsia | N/A | 2013-07-01 |
| Completed | Air Pollution, Epigenetics and Cardiovascular Health: A Human Intervention Trial Heart Rate, Heart Rate Variability, Inflammation | Phase 1 | 2013-06-01 |
| Completed | Intervention to Promote Water Consumption in School Lunchrooms Water Consumption, Schools | N/A | 2013-03-01 |
| Completed | Health Facility Networking for Maternal Health Provider Skill, Provider Confidence, Maternal Health | N/A | 2013-03-01 |
| Completed | Trial to Improve Access to PMTCT Services and Reduce HIV Transmission From Mother to Child Mother-to-child Transmission of HIV, Pregnancy | N/A | 2013-01-01 |
| Completed | Vitamin D Supplementations as Adjunct to Anti-Tuberculosis Drugs in Mongolia Vitamin D Supplements, Tuberculosis, Sputum | N/A | 2012-10-01 |
| Terminated | The Mochudi Prevention Project ART Protocol HIV Infections | N/A | 2012-09-01 |
| Completed | Project A: Integrated Approaches to Improving the Health and Safety of Health Care Workers Health Behavior, Sleep, MSDs | N/A | 2012-04-01 |
| Completed | The Modifying Eating and Lifestyles at School Study Meals, Food Habits | N/A | 2011-09-01 |
| Completed | An Intervention to Improve Antenatal Access to CD4 Testing and HAART in Botswana HIV Infection, Pregnancy | N/A | 2011-07-01 |
| Completed | Pilot Feasibility Trial of the Family Strengthening Intervention in Rwanda (FSI-R) Depressive Symptoms, Anxiety, Parenting | N/A | 2011-07-01 |
| Completed | Preserving ACTs - Text Reminders to Increase Adherence to ACT Treatment Malaria | N/A | 2011-06-01 |
| Completed | Study to Improve Survival Among HIV-Exposed Infants in Botswana HIV Infections, Neutropenia, Anemia | Phase 2 | 2011-05-01 |
| Completed | Positive Change Agents Program-Tanzania (Evaluation) HIV Infection | Phase 3 | 2011-04-01 |
| Completed | Feasibility and Impact of Malaria Rapid Diagnostic Tests in the African Retail Sector Malaria | N/A | 2011-03-01 |
| Completed | Study on Out of School Nutrition and Physical Activity Environments Child Physical Activity, Child Nutrition | N/A | 2010-09-01 |
| Completed | Prenatal Iron Supplements: Safety and Efficacy in Tanzania Malaria, Anemia | N/A | 2010-09-01 |
| Completed | Trial of Pre-Pregnancy Supplements Anemia | N/A | 2010-08-01 |
| Completed | Substituting Brown Rice For White Rice: Effect On Diabetes Risk Factors In India Diabetes Mellitus | N/A | 2010-08-01 |
| Completed | Malaria in Pregnancy: Nutrition and Immunologic Effects Malaria, Low Birth Weight, Anemia | N/A | 2010-07-01 |
| Completed | Mumbai Worksite Tobacco Control Study Tobacco Use Cessation | N/A | 2010-06-01 |
| Completed | Mesalamine and Reproductive Health Study Colitis Ulcerative, Crohn Disease | — | 2010-05-01 |
| Completed | MassCONECT (Massachusetts Community Networks to Eliminate Cancer Disparities Through Education) 4 Kids: Promot Tobacco Smoking Behavior | N/A | 2010-05-01 |
| Completed | Multi-vitamins, HAART and HIV/AIDS in Uganda HIV/AIDS | Phase 3 | 2010-04-01 |
| Completed | Role of Vitamin D in Innate Immunity to Tuberculosis Vitamin D Deficiency, Tuberculosis | N/A | 2009-11-01 |
| Completed | Evaluating the Health Benefits of Workplace Policies and Practices - Phase II Focus of Study: Work Conditions | N/A | 2009-09-01 |
| Completed | Bihar School Teachers Study Tobacco Use Cessation | N/A | 2009-06-01 |
| Completed | Alpha-Linolenic Acid and Inflammatory Markers Cardiovascular Disease | N/A | 2009-02-01 |
| Completed | The Biology of Resilience Oxytocin, Placebo | N/A | 2009-02-01 |
| Completed | Safety of Cotrimoxazole in HIV- and HAART-exposed Infants Acquired Immunodeficiency Syndrome, Infant, Newborn, Anemia | Phase 4 | 2009-02-01 |
| Completed | Randomized Trial of Vitamin B12 in Pregnant Indian Women Pregnancy | N/A | 2008-12-01 |
| Completed | A Sustainable Approach to Increasing Cancer Screening Colorectal Cancer, Breast Cancer, Cervical Cancer | N/A | 2008-09-01 |
| Completed | Trial of Zinc and HIV Progression in Children HIV Infections | Phase 3 | 2008-03-01 |
| Completed | A Trial of Zinc and Micronutrients in Tanzanian Children Diarrheal Illnesses, Respiratory Illness, Growth Faltering | Phase 3 | 2007-09-01 |
| Completed | Surveillance Monitoring for ART Toxicities Study in HIV Uninfected Children Born to HIV Infected Women Antiretroviral Toxicity | — | 2007-03-01 |
| Completed | Adolescent Master Protocol HIV/AIDS | — | 2007-03-01 |
| Completed | A Trial of Vitamins and HAART in HIV Disease Progression HIV Infections | Phase 3 | 2006-11-01 |
| Completed | Pharmacokinetic Study of Indinavir Drug Levels When Boosted With Ritonavir in Thailand HIV Infection | — | 2006-09-01 |
| Completed | Emulation of the Moderate Alcohol and Cardiovascular Health Trial (MACH15) Myocardial Infarction, Ischemic Stroke, Angina Pectoris | — | 2006-01-01 |
| Terminated | Pilot Study of a Dietary Intervention to Prevent Acne Recurrence Acne | Phase 2 | 2005-08-01 |
| Terminated | Effect of Multivitamin Supplements on Clinical and Immunological Response in Childhood Tuberculosis Tuberculosis | Phase 3 | 2005-05-01 |
| Completed | Vitamins, Breastmilk HIV Shedding, and Child Health Maternal and Child Health Outcomes | — | 2004-09-01 |
| Completed | Trial of Vitamins Among Children of HIV-infected Women HIV Infections, Pregnancy Complications | Phase 3 | 2004-06-01 |
| Completed | Dietary Fatty Acids, PPAR Activated Genes, and CHD Coronary Disease, Cardiovascular Diseases, Heart Diseases | — | 2003-09-01 |
| Completed | Genetic Markers of Coronary Heart Disease in Type 2 Diabetes Cardiovascular Diseases, Coronary Disease, Diabetes Mellitus, Non-insulin Dependent | — | 2003-09-01 |
| Completed | Partnership on Nutrition and HIV/AIDS Research in Tanzania: Exploratory Research Study on Selenium and HIV Inf HIV Infections, Pregnancy Complications | Phase 3 | 2003-09-01 |
| Completed | The Adult Antiretroviral Treatment and Resistance Study (Tshepo) AIDS, HIV Infection | Phase 3 | 2002-12-01 |
| Completed | Multivitamin Dosage Regimens in the Prevention of Adverse Pregnancy Outcomes Among HIV-Positive Women HIV Infections | Phase 3 | 2002-11-01 |
| Completed | Prevention of Milk-Borne Transmission of HIV-1C in Botswana HIV Infection, Infant Risk for HIV Infection by MTCT | N/A | 2002-08-01 |
| Completed | A Trial of Micronutrients and Adverse Pregnancy Outcomes Pregnancy, Premature Birth, Infant, Low Birth Weight | Phase 3 | 2001-08-01 |
| Completed | Botswana Pediatric Respiratory Disease and Bloodstream Infection Study HIV Infections, Respiratory Tract Diseases, Sepsis | — | 2001-03-01 |
| Completed | Botswana Diarrheal Diseases Study HIV Infections | — | 2001-03-01 |
| Completed | Nutrition, Immunology and Epidemiology of Tuberculosis Tuberculosis | Phase 3 | 2000-03-01 |
| Completed | Sugar Sweetened Beverage Intake and Biomarkers of Cardiometabolic Risk in US Women Biomarkers | — | 1999-09-16 |
| Completed | Dietary Patterns and Risk of Cardiovascular Disease Cardiovascular Diseases, Coronary Disease, Cerebrovascular Disorders | — | 1998-08-01 |
| Completed | Trial of Vitamins in HIV Progression and Transmission HIV Infections, Disease Transmission, Vertical | Phase 3 | 1995-04-01 |
| Completed | Dietary Patterns and Health Outcomes (Cardiovascular, Metabolic, Endocrine, Neurological, Skeletal Muscular, C Cardiovascular Diseases, Cerebrovascular Disorders, Metabolic Disease | — | 1989-01-01 |
| Completed | Health Professionals Follow-up Study Cardiovascular Diseases, Cerebrovascular Accident, Coronary Disease | — | 1985-12-01 |
| Completed | Dietary Analyses in the Nurses' Health Study, Nurses' Health Study II, and Health Professionals Follow-Up Stud Type2 Diabetes, Coronary Artery Disease, Morality | — | 1980-08-01 |
| Completed | Carb Quality and CHD in US Adults Coronary Heart Disease | — | 1976-06-01 |
| Completed | Diet Quality and Genetic Association With Body Mass Index: Results From Three Observational Studies Gene and Diet Interaction | — | 1976-01-01 |