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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational Accepts healthy volunteers

Investigating Loss of Neuromuscular Junction Transmission Fidelity in Older Adults

NCT04904926
View directory record Official record
Conditions
Sarcopenia
Interventions
Not listed
Lead sponsor
NMD Pharma A/S
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Phase 3 Interventional

A Study of Nevirapine to Prevent HIV Transmission From Mothers to Their Infants

NCT00001135
View directory record Official record
Conditions
HIV Infections, Pregnancy
Interventions
Nevirapine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
2,009 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
19
States / cities
Birmingham, Alabama • La Jolla, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 7, 2026, 10:22 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Caries Transmission Prevention in Alaska Native Infants

NCT00067340
View directory record Official record
Conditions
Dental Caries
Interventions
Chlorhexidine mouth rinse, Xylitol chewing gum
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 1, 2015 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Scleroderma Registry

NCT00074568
View directory record Official record
Conditions
Systemic Sclerosis, Scleroderma
Interventions
Not listed
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
18 Years to 70 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 26, 2022 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Not applicable Interventional

HIV Risk and Prevention in Women

NCT02263391
View directory record Official record
Conditions
HIV
Interventions
Opt-in or Opt-out testing, Focus Group
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 22, 2017 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational

The Prevalence of HIV Drug Resistance and Transmission Risk in Opioid Agonist Treatment

NCT00857350
View directory record Official record
Conditions
HIV Positive, Opioid Dependence, Opioid Agonist Treatment, HIV Infections
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 21, 2013 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The OPENS Trial: Offering Women PrEP (Aim 1)

NCT04621760
View directory record Official record
Conditions
Human Immunodeficiency Virus Transmission, Sexually Transmitted Diseases
Interventions
HIV Prevention Decision Support Tool (DST), Standard Counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 45 Years
Enrollment
189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Dressing Preparations for Smallpox

NCT00063856
View directory record Official record
Conditions
Smallpox
Interventions
Wetvax (APSV)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 12, 2012 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Investigation of Mechanisms for Transmission of Impaired Glucose Metabolism in Infants Exposed to Diabetes in Utero

NCT02926079
View directory record Official record
Conditions
Pregnancy, Gestational Diabetes Mellitus
Interventions
Not listed
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 26, 2022 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PC4PrEP: Integrating PrEP Into Primary Care

NCT03617874
View directory record Official record
Conditions
Human Immunodeficiency Virus Transmission
Interventions
PC4PrEP- Intervention Clinics, Standard of Care Clinics
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Not applicable Interventional

Confirm Rx™ Versus Reveal LINQ™ - Which is More Reliable in Data Transmission? A Randomized Clinical Study

NCT03720639
View directory record Official record
Conditions
Cardiac Arrythmias, Syncope, Atrial Fibrillation, Atrial Flutter, Tachycardia, Stroke
Interventions
Abbott, Inc Confirm Rx™ versus Medtronic, Inc Reveal LINQTM
Device
Lead sponsor
Sparrow Clinical Research Institute
Other
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Lansing, Michigan • Traverse City, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Seminal Fluid on the Colon Wall; Implications for HIV Transmission

NCT01053741
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV)
Interventions
Radiolabeled autologous seminal fluid, Radiolabeled Normosol-R
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older · Male only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 24, 2017 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational

Comparison of Viral Particle Dispersion Following Administration of an MDI or Nebulizer in Subjects With COVID-19

NCT04681079
View directory record Official record
Conditions
COVID-19
Interventions
albuterol sulfate (MDI), albuterol sulfate (nebulizer)
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2022 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Feasibility and Pilot Efficacy of Flash-heated Breast Milk to Reduce Maternal-to-Child-Transmission of HIV in Tanzania

NCT00523510
View directory record Official record
Conditions
HIV Infections
Interventions
Infant feeding counseling that includes Flash-heat
Procedure
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2012 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PpPfs25/ISA51 and ScPvs25/ISA51 Vaccines for Malaria

NCT00295581
View directory record Official record
Conditions
Plasmodium Falciparum, Plasmodium Vivax Malaria
Interventions
PpPfs25/ISA51 & ScPvs25/ISA51
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
2
States / cities
Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

DMID 21-0041; Influenza CVD 59000

NCT05666245
View directory record Official record
Conditions
Influenza
Interventions
Personal Protective Equipment (PPE) - Under High Air Hygiene, No Intervention - Under High Air Hygiene, Personal Protective Equipment (PPE) - Under Low Air Hygiene, No Intervention - Under Low Air Hygiene
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 59 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland • College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Phase 3 Interventional

Valaciclovir to Prevent Transmission of Herpes Simplex Virus

NCT00001649
View directory record Official record
Conditions
Herpes Simplex
Interventions
Valaciclovir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational

Effects of Two Anti-HIV Drug Regimens on HIV Transmission Risk Behavior Among SMART Study Participants

NCT00386035
View directory record Official record
Conditions
HIV Infections
Interventions
Delayed ART, Continuous ART
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
883 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
58
States / cities
Beverly Hills, California • Fresno, California • Mill Valley, California + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2014 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epidemiology of H. Pylori Transmission

NCT02740140
View directory record Official record
Conditions
Communicable Diseases
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 55 Years
Enrollment
1,750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
2
States / cities
San Jose, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational

Electronic Prescribing and Electronic Transmission of Discharge Medication Lists

NCT00603070
View directory record Official record
Conditions
Medication Errors
Interventions
E-prescribing system, Electronic transmission of medication discharge lists
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
Not listed
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 19, 2012 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Packaging PrEP to Prevent HIV Among WWID

NCT03304912
View directory record Official record
Conditions
HIV/AIDS
Interventions
PrEP Education and option to accept a PrEP prescription
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2023 · Synced Sep 7, 2026, 10:22 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Dexmedetomidine in the Treatment of Symptoms Of Acute Opioid Withdrawal

NCT04470050
View directory record Official record
Conditions
Opioid Withdrawal
Interventions
Dexmedetomidine, Placebo
Drug
Lead sponsor
BioXcel Therapeutics Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Miami Lakes, Florida • Marlton, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 7, 2026, 10:22 PM EDT
Completed No phase listed Observational

Index Individuals in SARS-CoV-2 Prevention Research Studies (COVID-19 Index Individuals Companion Study)

NCT05074719
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19, Coronavirus Infection, SARS (Severe Acute Respiratory Syndrome)
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
10 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Sep 7, 2026, 10:22 PM EDT
Enrolling by invitation No phase listed Observational

Prospective Healthcare-Associated Links in Transmission of Nontuberculous Mycobacteria

NCT05686837
View directory record Official record
Conditions
Cystic Fibrosis, Nontuberculous Mycobacterial Pulmonary Infection
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
1 Month to 99 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
7
States / cities
Denver, Colorado • Baltimore, Maryland • Austin, Texas + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Sep 7, 2026, 10:22 PM EDT