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Showing 25–47 of 23 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Viral Shedding Clear all
Completed Phase 4 Interventional Results available

VALTREX(Valacyclovir) Once Daily for Viral Shedding In Subjects Newly Diagnosed With HSV-2

NCT00306293
View directory record Official record
Conditions
Herpes Labialis
Interventions
valacyclovir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
18
States / cities
Anaheim, California • Carmichael, California • Fair Oaks, California + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Randomized, Double-Blind, Placebo-Controlled Study to Evaluate Safety of MEDI-559 in Healthy 1 to <24 Month-Old Children

NCT00767416
View directory record Official record
Conditions
Healthy
Interventions
MEDI-559, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
1 Month to 23 Months
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
75
States / cities
Greenville, Alabama • Huntsville, Alabama • Mobile, Alabama + 62 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2016 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Safety of MEDI-534 Vaccine Against Respiratory Syncytial Virus (RSV) and Parainfluenza Virus Type 3 (PIV3) in Healthy Children

NCT00345670
View directory record Official record
Conditions
Healthy
Interventions
MEDI-534
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
1 Year to 9 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
12
States / cities
Fountain Valley, California • Shawnee, Kansas • Topeka, Kansas + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2008 · Synced Jul 23, 2026, 3:30 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The COVID-19 Back-to-Normal Study: Analysis of Multiple Outcomes

NCT04832932
View directory record Official record
Conditions
COVID-19 Vaccines
Interventions
COVID-19 vaccines
Biological
Lead sponsor
Mebo Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
Miami, Florida • Vonore, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 25, 2024 · Synced Jul 23, 2026, 3:30 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Pilot Influenza Challenge Study

NCT07063849
View directory record Official record
Conditions
Influenza
Interventions
A/Texas
Biological
Lead sponsor
Daniel Hoft, MD, PhD
Other
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immune Response to an Investigational Vaccine Against Respiratory Syncytial Virus in Healthy Adults

NCT04227210
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSV vaccine MV-012-968 (dosage #1), RSV vaccine MV-012-968 (dosage #2)
Biological
Lead sponsor
Meissa Vaccines, Inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Jul 23, 2026, 3:30 AM EDT
Terminated Phase 4 Interventional Results available

A Study of Tamiflu (Oseltamivir) for Treatment of Influenza With a Focus on (H1N1) 2009 Flu Strain

NCT01032837
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
1 Year and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
100
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 91 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2012 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Phase 2 Interventional Results available

Biological Efficacy Study of HerpV Vaccine With QS-21 to Treat Participants With Recurrent Genital Herpes

NCT01687595
View directory record Official record
Conditions
Herpes Simplex Type 2
Interventions
HerpV and QS-21, Placebo
Drug
Lead sponsor
Agenus Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
5
States / cities
Portland, Oregon • Houston, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 12, 2021 · Synced Jul 23, 2026, 3:30 AM EDT
Recruiting Phase 4 Interventional

Zopa Retreatment and Vector Shedding in Adults With RRP

NCT06538480
View directory record Official record
Conditions
Recurrent Respiratory Papillomatosis, Papillomavirus Infection, Papillomaviridae
Interventions
Zopapogene imadenovec (Zopa)
Drug
Lead sponsor
Precigen, Inc
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
3
States / cities
Atlanta, Georgia • Bethesda, Maryland • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 23, 2026, 3:30 AM EDT
Completed No phase listed Observational

HSV-2 Shedding Resolution After Acyclovir Treatment

NCT00495573
View directory record Official record
Conditions
Genital Herpes
Interventions
acyclovir
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 21, 2012 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of SARS CoV-2 Infection and Potential Transmission in Individuals Immunized With Moderna COVID-19 Vaccine

NCT04811664
View directory record Official record
Conditions
SARS-CoV-2 Infection
Interventions
Moderna COVID-19 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 29 Years
Enrollment
1,923 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
51
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Tempe, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Jul 23, 2026, 3:30 AM EDT
Recruiting No phase listed Observational

Cytomegalovirus (CMV) Transmission and Immune Tracking (TransmIT) Study

NCT06522880
View directory record Official record
Conditions
Cytomegalovirus Infections
Interventions
CMV PCR on saliva
Diagnostic Test
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
1 Day to 36 Months
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Jul 23, 2026, 3:30 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

30-Day Trial of Oral Valtrex or Valtrex Plus Aspirin on Shedding of HSV DNA in Tears and Saliva of Volunteers

NCT00587496
View directory record Official record
Conditions
Herpes Simplex
Interventions
valacyclovir hydrochloride, placebo, valacyclovir plus aspirin
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
20 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
2
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 6, 2008 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Not applicable Interventional Results available

Evaluating the Use of Oseltamivir for the Treatment of Influenza in Adults

NCT01314911
View directory record Official record
Conditions
Influenza, Human
Interventions
Oseltamivir, Placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
716 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
44
States / cities
Chandler, Arizona • Costa Mesa, California • Garden Grove, California + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Phase 2 Interventional Results available

Niclosamide for Mild to Moderate COVID-19

NCT04399356
View directory record Official record
Conditions
COVID-19
Interventions
Niclosamide, Placebo, Telehealth monitoring
Drug · Other
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Jul 23, 2026, 3:30 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers Results available

A Study to Evaluate AAV9 Neutralizing Antibody Seroconversion in Household Contacts.

NCT04543357
View directory record Official record
Conditions
Household Contacts
Interventions
Blood Draw
Other
Lead sponsor
Pfizer
Industry
Eligibility
0 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RSV Challenge in Healthy Adults

NCT00100373
View directory record Official record
Conditions
Respiratory Infections, Acute, Respiratory Syncytial Virus
Interventions
RSV challenge material
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
21 Years to 40 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2010 · Synced Jul 23, 2026, 3:30 AM EDT
Terminated Phase 2 Interventional

Can SARS-CoV-2 Viral Load and COVID-19 Disease Severity be Reduced by Resveratrol-assisted Zinc Therapy

NCT04542993
View directory record Official record
Conditions
Covid19, SARS-CoV Infection
Interventions
Zinc Picolinate, Resveratrol, Zinc Picolinate Placebo, Resveratrol Placebo
Dietary Supplement
Lead sponsor
Swedish Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Jul 23, 2026, 3:30 AM EDT
Recruiting Phase 2 Interventional

A Biomarker Study in Men With Localized Prostate Cancer Treated With Aglatimagene Besadenovec

NCT07332000
View directory record Official record
Conditions
Prostate Cancer Patients Treated by Radiotherapy, Prostate Cancer (Adenocarcinoma)
Interventions
aglatimagene besadenovec + valacyclovir, External Beam Radiation Therapy (EBRT)
Biological · Radiation
Lead sponsor
Candel Therapeutics, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
7
States / cities
Peoria, Arizona • Lakewood, Colorado • Littleton, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Jul 23, 2026, 3:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Tolerability Study to Evaluate MEDI-534 in Children 6 to < 24 Months of Age

NCT00493285
View directory record Official record
Conditions
Respiratory Viral Infections, Respiratory Syncytial Virus Infections, Parainfluenza Virus 3, Human
Interventions
MEDI-534
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
6 Months to 23 Months
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
30
States / cities
Conway, Arkansas • Little Rock, Arkansas • Aurora, Colorado + 25 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2012 · Synced Jul 23, 2026, 3:30 AM EDT
Withdrawn No phase listed Observational

Pharmacokinetics, Pharmacodynamics and Cervicovaginal Lavage of Combined Oral Contraceptives and Raltegravir

NCT01597180
View directory record Official record
Conditions
HIV
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
20 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Jul 23, 2026, 3:30 AM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy Comparator Trial of a New Drug Against Genital Herpes

NCT01658826
View directory record Official record
Conditions
Genital Herpes
Interventions
AIC316, Valacyclovir
Drug
Lead sponsor
AiCuris Anti-infective Cures AG
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
4
States / cities
Indianapolis, Indiana • Portland, Oregon • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Jul 23, 2026, 3:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

The Compartmental Biology of HIV in the Male Genital Tract

NCT02638493
View directory record Official record
Conditions
Human Immunodeficiency Virus, Virus Shedding
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Jul 23, 2026, 3:30 AM EDT