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ClinicalTrials.gov public records Last synced Nov 8, 2026, 12:33 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Flu-like Symptoms Clear all

Conditions: Influenza
Interventions: Baloxavir Marboxil; Drug
Lead sponsor: Hoffmann-La Roche; Industry
Eligibility: Up to 1 Year
Enrollment: 49 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2023
U.S. locations: 8
States / cities: Jonesboro, Arkansas • Tampa, Florida • Idaho Falls, Idaho + 5 more

Conditions: Acute Respiratory Infection, Influenza-like Illness, Gastrointestinal Infection
Interventions: Multimodal hygiene intervention; Behavioral
Lead sponsor: Kent State University; Other
Eligibility: 18 Years and older
Enrollment: 195 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018
U.S. locations: 1
States / cities: Schenectady, New York

Conditions: Influenza, Influenza-like Illness, Influenza, Human
Interventions: Influenza; Biological
Lead sponsor: Insight Therapeutics, LLC; Other
Eligibility: 65 Years and older
Enrollment: 598 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2023
U.S. locations: 1
States / cities: Norfolk, Virginia

Conditions: Cough, Myalgia, Nasal Obstruction, Sore Throat, Headache, Fatigue, Fever
Interventions: Not listed
Lead sponsor: Cellex, Inc.; Industry
Eligibility: Not listed
Enrollment: 506 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010 – 2012
U.S. locations: 3
States / cities: Birmingham, Alabama • Chicago, Illinois • Baltimore, Maryland

Conditions: Influenza, Influenza -Like Illness
Interventions: Norketotifen, Placebo; Drug
Lead sponsor: Emergo Therapeutics, Inc.; Industry
Eligibility: 18 Years to 64 Years
Enrollment: 315 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2022
U.S. locations: 20
States / cities: Phoenix, Arizona • Los Angeles, California • DeBary, Florida + 15 more

Conditions: Influenza -Like Illness
Interventions: Norketotifen, Placebo; Drug
Lead sponsor: Emergo Therapeutics, Inc.; Industry
Eligibility: 18 Years to 64 Years
Enrollment: 238 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 18
States / cities: Birmingham, Alabama • Phoenix, Arizona • Long Beach, California + 14 more

Conditions: Influenza, Human
Interventions: mRNA Seasonal Flu vaccine, Licensed Influenza Vaccine; Combination Product
Lead sponsor: GlaxoSmithKline; Industry
Eligibility: 65 Years and older
Enrollment: 54,000 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2028
U.S. locations: 161
States / cities: Anniston, Alabama • Guntersville, Alabama • Glendale, Arizona + 128 more

Conditions: Flu-like Symptoms
Interventions: Oleander 4X - single, Oleander 4X - double, Oleander 4X - quadruple, Placebo; Drug
Lead sponsor: Avila Herbals; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 75 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: Roanoke, Virginia

Conditions: Influenza, Influenza-like Illness
Interventions: Not listed
Lead sponsor: Henry M. Jackson Foundation for the Advancement of Military Medicine; Other
Eligibility: 18 Years and older
Enrollment: 535 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2015
U.S. locations: 5
States / cities: San Diego, California • Bethesda, Maryland • San Antonio, Texas + 2 more

Conditions: Influenza-like Illness, Influenza
Interventions: Online education; Behavioral
Lead sponsor: Centers for Disease Control and Prevention; Federal
Eligibility: 17 Years and older
Enrollment: 3,000 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2008
U.S. locations: 1
States / cities: Berkeley, California

Conditions: COVID-19, SARS-CoV-2, Coronavirus, Influenza -Like Illness, Lower Resp Tract Infection, Upper Resp Tract Infection
Interventions: Not listed
Lead sponsor: Duke University; Other
Eligibility: Not listed
Enrollment: 9,207 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Influenza, Common Cold, Cough, Headache, Fever
Interventions: Pomegranate, Placebo; Dietary Supplement
Lead sponsor: Texas Heart Institute; Other
Eligibility: 21 Years to 49 Years
Enrollment: 461 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007
U.S. locations: 1
States / cities: San Diego, California

Conditions: Relapsing Multiple Sclerosis
Interventions: BIIB017, naproxen; Drug
Lead sponsor: Biogen; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 251 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2015
U.S. locations: 38
States / cities: Gilbert, Arizona • Phoenix, Arizona • Tucson, Arizona + 34 more

Conditions: Influenza, Influenza-like Illness, Influenza Vaccines
Interventions: Egg based influenza vaccines, Recombinant influenza vaccines, Cell-culture based influenza vaccines; Biological
Lead sponsor: Henry M. Jackson Foundation for the Advancement of Military Medicine; Other
Eligibility: 18 Years and older
Enrollment: 15,448 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2026
U.S. locations: 9
States / cities: San Diego, California • Annapolis, Maryland • Bethesda, Maryland + 5 more

Conditions: Influenza, Influenza, Human, Influenza -Like Illness
Interventions: Oseltamivir, Baloxavir; Drug
Lead sponsor: Insight Therapeutics, LLC; Other
Eligibility: 18 Years to 120 Years
Enrollment: 1,000 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2023
U.S. locations: 1
States / cities: Norfolk, Virginia

Conditions: Multiple Sclerosis
Interventions: Plegridy, Prednisone, Tylenol Pill; Drug
Lead sponsor: Holy Name Medical Center, Inc.; Other
Eligibility: 18 Years and older
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2020
U.S. locations: 1
States / cities: Teaneck, New Jersey

Conditions: Influenza -Like Illness, Influenza A, Influenza Type B, Respiratory Viral Infection, Respiratory Tract Infections
Interventions: Not listed
Lead sponsor: Evidation Health; Industry
Eligibility: 18 Years and older
Enrollment: 5,233 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: San Mateo, California

Conditions: Influenza
Interventions: Nitazoxanide, Placebo; Drug
Lead sponsor: Romark Laboratories L.C.; Industry
Eligibility: 18 Years to 65 Years
Enrollment: 79 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2010
U.S. locations: 1
States / cities: Elmira, New York

Conditions: Influenza
Interventions: Cell culture-derived influenza vaccine, Egg-derived influenza virus vaccine, Placebo; Biological
Lead sponsor: Novartis Vaccines; Industry
Eligibility: 18 Years to 49 Years
Enrollment: 11,404 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2008
U.S. locations: 17
States / cities: Denver, Colorado • Pembroke Pines, Florida • South Miami, Florida + 13 more

Conditions: Influenza, Influenza -Like Illness, Influenza, Human
Interventions: Recombinant Influenza Vaccine, Standard Dose Quadrivalent Influenza Vaccine; Biological
Lead sponsor: Insight Therapeutics, LLC; Other
Eligibility: 18 Years to 120 Years
Enrollment: 1,989 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2023
U.S. locations: 1
States / cities: Norfolk, Virginia

Conditions: Influenza
Interventions: Baloxavir Marboxil, Oseltamivir; Drug
Lead sponsor: Hoffmann-La Roche; Industry
Eligibility: 1 Year to 11 Years
Enrollment: 173 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2019
U.S. locations: 27
States / cities: Birmingham, Alabama • Harrisburg, Arkansas • Jonesboro, Arkansas + 22 more

Conditions: Influenza-Like Illness, Influenza
Interventions: Core Lab Test, ED Point of Care Test; Other
Lead sponsor: Boston Medical Center; Other
Eligibility: 21 Years and older
Enrollment: 233 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Healthy Volunteers
Interventions: Avonex; Drug
Lead sponsor: Biogen; Industry
Eligibility: 18 Years to 55 Years
Enrollment: 120 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010
U.S. locations: 1
States / cities: Saint Paul, Minnesota

Conditions: Adverse Effects in the Therapeutic Use of Interferon
Interventions: interferon gamma 1b; Drug
Lead sponsor: Vidara Therapeutics Research Ltd; Industry
Eligibility: 18 Years to 55 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2013
U.S. locations: 1
States / cities: Saint Paul, Minnesota

Search by objective public record fields.

Study to Assess the Safety, Pharmacokinetics, and Efficacy of Baloxavir Marboxil in Healthy Pediatric Participants From Birth to < 1 Year With Influenza-Like Symptoms

Kent State University / Price Chopper Employee Wellness Study

Adjuvanted Influenza Vaccination Year 2 Follow-On Survey

Clinical Evaluation of QFlu Combo Test

Efficacy and Safety of Norketotifen in Uncomplicated Influenza-like Illness

Norketotifen for the Treatment of Uncomplicated Influenza-like Illness

A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age

Evaluation of the Safety and Pharmacokinetics of Oleander 4X in Healthy Volunteers

Evaluation of Psychometric Testing Properties of Severity Symptom Grading Scale of Influenza Infection: Flu-PRO Stage III

REDucing Influenza Among University Students, University of California at Berkeley

COVID-19 Pandemic Response Network

Pomegranate Products for Prevention of Common Cold

Characterize Flu-like Symptoms in Relapsing Multiple Sclerosis Patients Transitioning From Non-Pegylated Interferon Beta (IFN-β) Therapies to Peginterferon Beta-1a (BIIB017)

A Pragmatic Assessment of Influenza Vaccine Effectiveness in the DoD

Baloxavir Versus Oseltamivir for Nursing Home Influenza Outbreaks

Evaluating the Use of Prednisone to Decrease Pegylated Interferon Beta-1a Side Effects

Home Testing of Respiratory Illness

Study of Nitazoxanide in Adults With Acute Uncomplicated Influenza

Efficacy Study of Two Influenza Vaccines and Placebo in Healthy Adult Subjects

Recombinant Influenza Vaccination in U.S. Nursing Homes

Study to Assess the Safety, Pharmacokinetics, and Efficacy of Baloxavir Marboxil in Healthy Pediatric Participants With Influenza-Like Symptoms

Impact of Rapid Flu Testing in BMC ED

A Study of Avonex to Determine the Effects of Dose Titration on the Incidence of Flu Like Symptoms in Healthy Volunteers

Determining the Effect of Actimmune (Interferon Gamma 1b)Dose Titration on Flu-Like Symptoms in Healthy Volunteers