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ClinicalTrials.gov public records Last synced Oct 14, 2026, 1:39 PM EDT

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Showing 193–216 of 244 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Johns Hopkins Bloomberg School of Public Health Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Using Open Contest and Neuro-influence Experiment to Develop and Evaluate PrEP Promotion Messages for High Risk Men

NCT04166851
View directory record Official record
Conditions
HIV/AIDS
Interventions
PrEP campaign messages developed via open contest, PrEP campaign messages developed via social marketing approach
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older · Male only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

B'More Healthy; Communities for Kids (BHCK)

NCT02181010
View directory record Official record
Conditions
Obesity
Interventions
Intervention
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
9 Years to 100 Years
Enrollment
890 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 7, 2022 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Iron and/or Zinc Supplementation in Mexican School Children Exposed to Lead

NCT02346188
View directory record Official record
Conditions
Lead Poisoning
Interventions
Ferrous fumarate, Zinc oxide, Placebo
Dietary Supplement
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
6 Years to 8 Years
Enrollment
602 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 26, 2015 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunogenicity of H. Influenzae Type b PRP-OMP Vaccines in American Indian and Alaska Native Children (the HibVax Study)

NCT04978818
View directory record Official record
Conditions
Haemophilus Influenzae Type B Infection
Interventions
Vaxelis, PedvaxHIB
Drug
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
6 Weeks to 12 Weeks
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
5
States / cities
Anchorage, Alaska • Chinle, Arizona • Fort Defiance, Arizona + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2024 · Synced Oct 14, 2026, 1:39 PM EDT
Recruiting Not applicable Interventional

Social Network Overdose Prevention and Education Intervention

NCT06327061
View directory record Official record
Conditions
Drug Overdose
Interventions
Network overdose prevention, Standard of care health education
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Safety and Immune Response of Five Admixtures of a Tetravalent Dengue Virus Vaccine

NCT01072786
View directory record Official record
Conditions
Dengue
Interventions
TetraVax-DV Vaccine-Admixture 1, TetraVax-DV Vaccine-Admixture 2, TetraVax-DV Vaccine-Admixture 3, TetraVax-DV Vaccine-Admixture 4, Placebo, TetraVax-DV Vaccine-Admixture 5
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 3, 2013 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Challenge Model Refinement With Enterotoxigenic Escherichia Coli Strain B7A

NCT02773446
View directory record Official record
Conditions
Healthy Volunteer
Interventions
ETEC strain B7A (O148:H28 CS6+ LT+ST+) (Lot 0481) in Buffer
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 6, 2018 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oral Nicotine Pouch Marketing Features Influence on Perceptions

NCT06605924
View directory record Official record
Conditions
Tobacco Use
Interventions
Tobacco-free, Discrete, Convenient
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
13 Years to 120 Years
Enrollment
5,133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Phase 2 Interventional Results available

Buspirone for Early Satiety and Symptoms of Gastroparesis

NCT03587142
View directory record Official record
Conditions
Gastroparesis
Interventions
Buspirone, Placebo
Drug
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 85 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
6
States / cities
Louisville, Kentucky • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Impact of Maternal Vitamin A or Beta-Carotene Supplementation on Maternal and Infant Mortality in Bangladesh

NCT00198822
View directory record Official record
Conditions
Vitamin A Deficiency, Maternal Mortality, Infant Mortality
Interventions
Vitamin A or Beta-Carotene Supplements
Dietary Supplement
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 49 Years · Female only
Enrollment
59,666 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 7, 2012 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

MethaCholine Bronchoprovocation Study (MeCIS)

NCT00705341
View directory record Official record
Conditions
Asthma
Interventions
fluticasone
Drug
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
12 Years to 69 Years
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
13
States / cities
San Diego, California • Jacksonville, Florida • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2013 · Synced Oct 14, 2026, 1:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Developing a Support Application for Food Pantries (SAFPAS) to Improve Client Access to Healthy Foods & Enhance Emergency Preparedness

NCT05880004
View directory record Official record
Conditions
Improving Healthy Food Access in Food Insecurity Populations in Normal and Emergency Situations
Interventions
Support Application for Food PAntrieS (SAFPAS) - A mobile app that helps food pantries recruit, train and schedule volunteers, offer choice safely, and provides multilevel communications
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
537 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Multi-level Communications and Access Strategies to Improve the Food Environment

NCT02279849
View directory record Official record
Conditions
Obesity
Interventions
Communications, Pricing, Combined (Communications & Pricing)
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
21 Years to 100 Years
Enrollment
444 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 27, 2018 · Synced Oct 14, 2026, 1:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Systems Science Approaches to Improve Access to Healthier Foods: The FRESH Trial

NCT05869149
View directory record Official record
Conditions
Healthy Eating Index
Interventions
Multilevel restaurant intervention to improve the food environment
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 75 Years
Enrollment
756 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 14, 2026, 1:39 PM EDT
Recruiting Not applicable Interventional

A Multi-Level Trauma-Informed Approach to Increase HIV Pre-exposure Prophylaxis Initiation Among Black Women

NCT06703060
View directory record Official record
Conditions
HIV Prevention, PrEP, Women, Intimate Partner Violence (IPV)
Interventions
Peer Navigation Group
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional

Technology-Enhanced Peer Navigation to Improve IDUs' Engagement in HIV Care

NCT01941108
View directory record Official record
Conditions
HIV, Drug Use
Interventions
Peer Navigation Arm
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cradling Our Future Through Family Strengthening Study

NCT00373750
View directory record Official record
Conditions
Substance Abuse, Post-partum Depression, Depression
Interventions
Family Spirit Intervention
Procedure
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
12 Years to 19 Years · Female only
Enrollment
322 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
5
States / cities
Fort Defiance, Arizona • San Carlos, Arizona • Tuba City, Arizona + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2015 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional

Using m-Health Tools to Reduce the Misuse of Opioid Pain Relievers

NCT03012087
View directory record Official record
Conditions
Prescription Drug Abuse
Interventions
MyHealthyChoices, Health Risk Assessment
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
2
States / cities
Baltimore, Maryland • Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 22, 2017 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immune and Hormone Response to Influenza Vaccine

NCT01978262
View directory record Official record
Conditions
Healthy
Interventions
Seasonal Inactivated Influenza Vaccine
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 27, 2018 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Results available

Continuous Glucose Monitoring and Insulin Pump Therapy in Diabetic Gastroparesis

NCT01030341
View directory record Official record
Conditions
Diabetic Gastroparesis
Interventions
CGMS and insulin pump
Device
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
7
States / cities
San Francisco, California • Stanford, California • Ann Arbor, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Results available

The Elders' Resilience Curriculum

NCT06045273
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Elders' Resilience Curriculum
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
9 Years to 14 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Whiteriver, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Oct 14, 2026, 1:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Long-term Impact of Pneumococcal Conjugate Vaccine on Carriage

NCT00294021
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Chinle, Fort Defiance, Whiteriver, AZ; Gallup, Shiprock, NM, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 26, 2012 · Synced Oct 14, 2026, 1:39 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Increasing HIV/STI Home Testing Via a Digital Intervention Among Black Women

NCT05390541
View directory record Official record
Conditions
Hiv, Sexually Transmitted Diseases, Economic Problems
Interventions
Empowered to Test Yourself, Educational Control
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 59 Years · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
4
States / cities
Austin, Texas • Dallas, Texas • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 14, 2026, 1:39 PM EDT
Completed Not applicable Interventional Results available

Pilot Trial of a Novel Cooking Skills Intervention (DPPCooks) to Prevent Diabetes

NCT05166512
View directory record Official record
Conditions
Pre-diabetes
Interventions
DPP Cooks, DPP
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 14, 2026, 1:39 PM EDT