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Showing 1–24 of 242 matching trials from the live ClinicalTrials.gov search.
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Filters: Sponsor: Johns Hopkins Bloomberg School of Public Health Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Substituting Mushrooms for Meat to Control Body Weight

NCT01177085
View directory record Official record
Conditions
Obesity
Interventions
Weight-loss and weight-maintenance diets
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pre-Study of Wild Type Enterotoxigenic E. Coli (ETEC) Strain for Verification of a Planned Challenge Dose

NCT06290089
View directory record Official record
Conditions
ETEC Diarrhea
Interventions
Enterotoxigenic E. coli (ETEC) strain
Other
Lead sponsor
Scandinavian Biopharma AB
Industry
Eligibility
18 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to a Bird Flu Virus Vaccine (H5N1) in Healthy Adults

NCT00347672
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 20, 2008 · Synced Sep 1, 2026, 8:57 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Strong Heart Water Study

NCT03725592
View directory record Official record
Conditions
Arsenic Poisoning
Interventions
Standard Treatment, Intensive Education
Other · Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
10 Years and older
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Sep 1, 2026, 8:57 PM EDT
Completed No phase listed Observational

Dietary Intake in Adults From the GA2LEN Folow-up Survey

NCT03251157
View directory record Official record
Conditions
Asthma, Lung Function Decreased, Food Allergy, Allergic Sensitisation, Allergic Rhinitis, COPD, Atopy
Interventions
Dietary intake of various nutrients, foods and biocompounds
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 75 Years
Enrollment
3,500 participants
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2017 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Early Childhood Obesity, Part 1: Family Spirit Nurture, 3-9 Months

NCT03101943
View directory record Official record
Conditions
Obesity, Water; Lack of, Breast Feeding, Tooth Erosion, Dental Plaque, Infant Obesity, Feeding Behavior, Mother-Child Relations, Dietary Habits, Dental Caries
Interventions
Family Spirit Nurture (FSN), Control Program, Water Delivery
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
13 Years and older · Female only
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Shiprock, New Mexico
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to a Dengue Virus Vaccine (rDEN4delta30-4995) in Healthy Adults

NCT00322946
View directory record Official record
Conditions
Dengue
Interventions
rDEN4delta30-4995, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 6, 2009 · Synced Sep 1, 2026, 8:57 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 11, 2013 · Synced Sep 1, 2026, 8:57 PM EDT
Recruiting No phase listed Observational

Gastroparesis Registry 4

NCT05846802
View directory record Official record
Conditions
Gastroparesis, Gastroparesis Nondiabetic, Gastroparesis Due to Diabetes Mellitus Type I, Gastroparesis Due to Diabetes Mellitus Type II, Functional Disorder of Gastrointestinal Tract, Gastro-Intestinal Disorder
Interventions
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 85 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
6
States / cities
Scottsdale, Arizona • Louisville, Kentucky • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 1, 2026, 8:57 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 25, 2015 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Not applicable Interventional

Telling Our Daughters Our Story

NCT06276595
View directory record Official record
Conditions
Substance Use, Sexual Behavior
Interventions
Nowhi Isdza bit Nadagoldi: Telling Our Daughters Our Story (TODOS), Control condition - 3 Monthly Group Activities in the Community
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
8 Years and older · Female only
Enrollment
183 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Whiteriver, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Infectivity, Safety and Immunogenicity of Two Recombinant, Live-Attenuated, B/HPIV3 Vectored Vaccines Expressing the Fusion Glycoprotein of HMPV Delivered by Nasal Spray to HPIV3-Seropositive Children 24 to <60 Months of Age

NCT06546423
View directory record Official record
Conditions
Human Metapneumovirus, Human Parainfluenza Virus Type 3
Interventions
B/HPIV3/HMPV-PreF-A vaccine, B/HPIV3/HMPV-F-B365 vaccine, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
24 Months to 59 Months
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
4
States / cities
Baltimore, Maryland • Columbia, Maryland • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 1, 2026, 8:57 PM EDT
Completed No phase listed Observational

Nonalcoholic Fatty Liver Disease (NAFLD) Adult Database 2

NCT01030484
View directory record Official record
Conditions
Liver Disease
Interventions
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
2,501 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
8
States / cities
La Jolla, California • San Francisco, California • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Sep 1, 2026, 8:57 PM EDT
Completed No phase listed Observational

NAFLD Pediatric Database 2

NCT01061684
View directory record Official record
Conditions
Liver Disease
Interventions
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
2 Years to 17 Years
Enrollment
969 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
12
States / cities
San Diego, California • San Francisco, California • Atlanta, Georgia + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Not applicable Interventional Results available

Involving Family to Improve Communication in Primary Care

NCT02986958
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Pre-visit patient-family agenda-setting checklist, Usual care
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
65 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
Aberdeen, Maryland • Baltimore, Maryland • Westminster, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to Two Different Dengue Virus Vaccines in Individuals Previously Immunized Against Dengue Virus

NCT00458120
View directory record Official record
Conditions
Dengue Hemorrhagic Fever
Interventions
rDEN1delta30, rDEN2/4delta30(ME), Placebo to rDEN1delta30 or rDEN2/4delta30(ME)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 13, 2010 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Trial of Group Versus Individual Family Planning Counseling in Ghana

NCT00814411
View directory record Official record
Conditions
Contraception
Interventions
group family planning counseling, Individual family planning counseling
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older · Female only
Enrollment
648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 23, 2008 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Phase 2 Interventional Results available

Vitamin E Dosing Study

NCT04801849
View directory record Official record
Conditions
Nonalcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis
Interventions
Vitamin E, Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
9
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 1, 2026, 8:57 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Addressing Health Disparities in Normal Pressure Hydrocephalus (NPH) in Maryland

NCT06426004
View directory record Official record
Conditions
Normal Pressure Hydrocephalus, Hakim Syndrome
Interventions
patients will receive NPH education, primary care physicians (PCPs) will receive professional NPH education, A community health worker will assist PCP
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
65 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2032
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using Implementation Science to Increase Pre-Exposure Prophylaxis Uptake Among African American Women

NCT05139069
View directory record Official record
Conditions
HIV Infections, Domestic Violence
Interventions
Trauma-Informed Toolkit
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Phase 4 Interventional

Animal-Assisted Visitation Program Chlorhexidine Trial

NCT04171817
View directory record Official record
Conditions
Methicillin-resistant Staphylococcus Aureus, Clostridium Difficile, Pseudomonas Aeruginosa
Interventions
Chlorhexidine
Drug
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
3 Years to 17 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Baltimore, Maryland • St Louis, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Sep 1, 2026, 8:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Information Sharing Between Family Caregivers and Home Care Aides

NCT07227558
View directory record Official record
Conditions
Shared Care
Interventions
GRACE
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 1, 2026, 8:57 PM EDT
Completed Phase 2 Interventional

Neighborhoods, Networks, Depression, and HIV Risk

NCT01380613
View directory record Official record
Conditions
HIV, Depression, Drug Use
Interventions
Workshop, Workshop control
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 55 Years
Enrollment
965 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 4, 2013 · Synced Sep 1, 2026, 8:57 PM EDT
Completed No phase listed Observational

Gastroparesis Registry 3

NCT03680859
View directory record Official record
Conditions
Gastroparesis, Diabetic Gastroparesis, Idiopathic Gastroparesis
Interventions
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
6
States / cities
Louisville, Kentucky • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Sep 1, 2026, 8:57 PM EDT