Sponsor or institution

Clinical trials and research at Johns Hopkins Bloomberg School of Public Health

• 35Clinical trials
• 2New in 30 days
• 9Countries

Newest trials

All recruiting trials (35)

• Environmentally labeled menus on fast food and overall diet quality

  This study tests whether repeatedly showing environmental harm labels on fast-food menus for seven weeks changes participants’ overall diet quality.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT07910617

• Environmental harm labels on fast-food menus influence real-world orders

  This study tests whether seeing traffic-light environmental harm labels on fast-food menus over seven weeks can lead adults in the Baltimore-Washington area to order healthier lunches.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT07910604

• Project SHIELD 2.0: Police Education to Support Public Health in Kentucky

  Aimed at police in Kentucky, this program tests whether SHIELD training given to officers, with health workers helping deliver it, can reduce drug-related arrests and steer people who use drugs toward MOUD and other health services.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Lexington, Kentucky · NCT07804121

• Stigma-reducing program to help women who use drugs stay in HIV care

  This test checks whether a stigma-reduction program helps women living with HIV who use drugs stay engaged in HIV care in Ukraine.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Kyiv, Kyiv Oblast · NCT07751978

• Micronutrient Enhancement for Development and Health in Adolescent Girls

  This study tests whether daily micronutrient supplements (MMS or MMS+), compared with weekly iron-folic acid, can improve school performance and growth in 10- to 18-year-old girls in rural Bangladesh.

  Recruiting Phase 3 Johns Hopkins Bloomberg School of Public Health · Rangpur City · NCT07695883

• Returning to the Land intervention for families in a tribal community

  This program tests a biodiverse outdoor intervention with a tribal community to help reduce caregiver substance use and support emotional/behavioral development in children ages 1–5, by engaging families where teens 14–19 participate.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Box Elder, Montana · NCT07695818

• BetterInfo on Women’s PrEP Choices and Outcomes in Malawi

  This study tests how women in Blantyre, Malawi decide between injectable and oral PrEP and how tracing former PrEP users affects re-engagement and retention.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Blantyre · NCT07579754

• Azithromycin for treating non-bloody Shigella watery diarrhea in children

  It will test whether giving azithromycin to children 6–59 months with Shigella-positive watery (non-bloody) diarrhea shortens the illness, clears the bacteria faster, and improves growth.

  Recruiting Phase 2 Johns Hopkins Bloomberg School of Public Health · Chāndpur and 3 other locations · NCT07433426

• Helping family caregivers and home care aides share care information

  This project will try giving a brief home care role and preference guide to family caregivers and home care aides of older adults with dementia or disability to see if it helps them identify roles and communicate better.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT07227558

• Two-week mindfulness or social-media reduction plus exercise program to improve college students' well-being

  This project will test whether daily 15-minute mindfulness meditations or cutting 30 minutes of social media and replacing that time with exercise for two weeks can reduce social media use and improve well-being in Johns Hopkins students who use social media more than an hour a day.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT07097545

• Gii'Igoshimong — Sitting With Your First Family ceremonial program for Ojibwe/Anishinaabe adults

  This project will test whether taking part in the Gii'igoshimong ceremony helps Ojibwe/Anishinaabe adults who used substances in the past 30 days reduce substance use and improve related mental health and protective factors.

  Recruiting Phase 2 Johns Hopkins Bloomberg School of Public Health · Duluth, Minnesota · NCT07075081

• Community navigation plus tablet education to boost mammogram screening for Navajo women

  The study will try a tablet-based, culturally tailored education program called TEAM, with or without monthly one-on-one Diné peer navigation, to increase mammography screening among Navajo Nation women aged 40–74.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Chinle, Arizona · NCT06957535

• Do personal story and informational videos encourage older adults to get vaccinated?

  This project will try informational videos, personal story videos, and a mix of both to see which best increases vaccination among U.S. adults aged 50 and older.

  Recruiting Johns Hopkins Bloomberg School of Public Health · New York, New York · NCT06890403

• Delivering prenatal multiple micronutrient supplements to pregnant women in Uganda

  This project will test different MMS bottle sizes and delivery supports among pregnant women in Uganda to see which approach helps them take the supplements more regularly and attend antenatal care.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Lyantonde · NCT06835738

• A diabetes intervention program for American Indian and Alaska Native populations

  This study tests a special diabetes program designed for American Indian and Alaska Native adults to see if it helps them manage their diabetes better than standard care.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Rapid City, South Dakota · NCT06770673

• Increasing HIV prevention access for Black women

  This study is testing a new way to help Black women in Baltimore start taking HIV prevention medication by providing support and resources to overcome challenges they face.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT06703060

• Taking calcium and iron-containing multivitamin supplements together during pregnancy

  This trial will test whether pregnant women can take daily calcium at the same time as iron-containing multiple micronutrients without harming their or their newborns' hemoglobin and iron levels.

  Recruiting at 2 sites Phase 3 Johns Hopkins Bloomberg School of Public Health · Ouagadougou and 1 other locations · NCT06568315

• Intervention to reduce substance use among young Native American men

  This study is testing a new program aimed at helping young Native American men aged 18-26 reduce their substance use by providing culturally relevant support.

  Recruiting at 2 sites Johns Hopkins Bloomberg School of Public Health · Chinle, Arizona and 1 other locations · NCT06559774

• Testing a new approach to reduce cholera and diarrhea in households

  This study is testing a new program to see if better water and hygiene practices can help reduce cholera and diarrhea in homes with young children.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Mānikganj · NCT06498817

• Social intervention for overdose prevention and education

  This study is trying out a program that teaches people who use opioids and their friends and family how to prevent and respond to drug overdoses.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT06327061

• Impact of microplastics on infant development and breastfeeding

  This study is trying to see how microplastics in mothers' bodies might affect their babies' growth and development in the first few months after birth.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT06107933

• Targeted water, sanitation, and hygiene intervention for cholera prevention

  This study is testing a new water, sanitation, and hygiene program to see if it can help people living near cholera patients stay healthy and reduce infections.

  Recruiting at 2 sites Johns Hopkins Bloomberg School of Public Health · Dhaka and 1 other locations · NCT06003816

• National registry for children and young adults with gastroparesis

  This study is creating a national registry to track the symptoms and experiences of children and young adults with gastroparesis to better understand the condition and how it affects their lives.

  Recruiting at 6 sites Johns Hopkins Bloomberg School of Public Health · Boston, Massachusetts and 5 other locations · NCT05981300

• Mobile app to improve food pantry services and access to healthy foods

  This study is testing a new mobile app designed to help food pantries in Baltimore provide better access to healthy foods and improve their services for clients.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT05880004

• Improving access to healthier foods in urban restaurants

  This study is testing a new program called FRESH to see if working with local restaurants can help people in low-income urban neighborhoods eat healthier foods and improve their overall health.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT05869149

• Registry for patients with gastroparesis and functional dyspepsia

  This study is trying to learn more about people with gastroparesis and functional dyspepsia by collecting information on their symptoms and experiences over 48 weeks.

  Recruiting at 6 sites Johns Hopkins Bloomberg School of Public Health · Scottsdale, Arizona and 5 other locations · NCT05846802

• Using smartphone messages to help young adults quit smoking

  This study is testing if smartphone messages based on therapy techniques can help young adults quit smoking by reducing their urges and changing their smoking habits.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT05836103

• A program to support mental health in American Indian and Alaska Native communities

  This study is testing a new program designed to help pregnant women and caregivers in American Indian and Alaska Native communities improve their mental health and coping skills.

  Recruiting at 3 sites Johns Hopkins Bloomberg School of Public Health · Chinle, Arizona and 2 other locations · NCT05836090

• Bright Horizons program to reduce binge substance use in Native American adolescents

  This project will test whether the Bright Horizons program can help reduce binge drinking and other substance use in Native American teens aged 12–17 who live on or near the Fort Apache Reservation.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Whiteriver, Arizona · NCT05743699

• Whole blood transfusion for children with severe malaria

  This study is testing if giving whole blood transfusions can help children aged 6 months to 15 years with severe malaria live longer compared to standard care without transfusions.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland and 1 other locations · NCT05711485

• Peer-driven intervention to prevent HIV, HCV, and drug overdoses among people who inject drugs

  This study is testing whether getting support and education from peers can help people who inject drugs reduce their risk of HIV, hepatitis C, and overdoses.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Baltimore, Maryland · NCT05320835

• Preventing cholera through targeted water and hygiene interventions

  This study is testing a new way to improve water and hygiene practices for families of diarrhea patients in the Democratic Republic of the Congo to see if it can help prevent cholera.

  Recruiting at 2 sites Johns Hopkins Bloomberg School of Public Health · Bukavu, South Kivu and 1 other locations · NCT05166850

• Checking pyloric sphincter function in people with gastroparesis symptoms

  We will test whether EndoFLIP, a water‑load satiety test, and a gastric electrical test (Gastric Alimetry) can find pyloric sphincter abnormalities in adults with gastroparesis symptoms compared with people without symptoms.

  Recruiting at 5 sites Johns Hopkins Bloomberg School of Public Health · Scottsdale, Arizona and 4 other locations · NCT04661215

• Study of early life factors affecting maternal and child health

  This study looks at how factors from early life affect the health of mothers and their children, focusing on women giving birth at Boston Medical Center.

  Recruiting Johns Hopkins Bloomberg School of Public Health · Boston, Massachusetts · NCT03228875

• Observational study on chronic kidney disease in children

  This study looks at how chronic kidney disease affects children's health and growth to see what factors might lead to kidney problems as they grow up.

  Recruiting at 2 sites Johns Hopkins Bloomberg School of Public Health · Kansas City, Missouri and 1 other locations · NCT00327860

Quick answers

How many clinical trials run by Johns Hopkins Bloomberg School of Public Health are recruiting right now?

35, as of November 12, 2026. 2 of them were first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 9 countries. The most sites are in United States (26 trials), Bangladesh (4 trials), Zambia (2 trials), Democratic Republic of the Congo (1 trial), Uganda (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 3: 2, Phase 2: 2. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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