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Showing 1–24 of 123 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Symptomatic Respiratory Disease Clear all
Terminated Not applicable Interventional Results available

Exhaled Breath Analysis to Predict Risk of Symptomatic Pneumonitis

NCT04040244
View directory record Official record
Conditions
Pneumonitis, Nonsmall Cell Lung Cancer Stage III
Interventions
Exhaled Breath Collection, Blood sample
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Sep 20, 2026, 12:28 PM EDT
Recruiting Phase 3 Interventional

A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised

NCT07013474
View directory record Official record
Conditions
COVID-19 Infection
Interventions
ibuzatrelvir, remdesivir, placebo for ibuzatrelvir, placebo for remdesivir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
66
States / cities
Canoga Park, California • Granada Hills, California • La Jolla, California + 25 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrating Targeted MedlinePlus Health Prescriptions Into Clinic Practice Workflow

NCT00634608
View directory record Official record
Conditions
Allergic Rhinitis, Asthma, Back Pain, Benign Prostatic Hypertrophy, Bursitis, Depression, Anxiety, Diabetes Mellitus, Esophageal Reflux, HIV Infections, Hyperlipidemia, Hypertension, Insomnia, Irritable Bowel Syndrome, Obesity, Osteoporosis (Senile), Shoulder Pain, Sinusitis, Symptomatic Menopause, Urinary Incontinence, Urinary Tract Infection, Vaginitis
Interventions
Health Information Prescription
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Sep 20, 2026, 12:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Testing Pilot Study

NCT04843878
View directory record Official record
Conditions
Diagnostic Test, Routine, Coronavirus, Diagnoses Disease, Rapid Coronavirus Test
Interventions
COVID Detect
Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of Laninamivir Octanoate TwinCaps® Dry Powder Inhaler in Adults With Influenza

NCT01793883
View directory record Official record
Conditions
Influenza
Interventions
40 mg Laninamivir Octanoate, 80 mg Laninamivir Octanoate, Placebo
Drug
Lead sponsor
Biota Scientific Management Pty Ltd
Industry
Eligibility
18 Years to 64 Years
Enrollment
639 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
70
States / cities
Scottsboro, Alabama • Camp Verde, Arizona • Chandler, Arizona + 59 more
Source: ClinicalTrials.gov public record
Updated May 30, 2018 · Synced Sep 20, 2026, 12:28 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Effect of Eleclazine (GS-6615) on Exercise Capacity in Subjects With Symptomatic Hypertrophic Cardiomyopathy

NCT02291237
View directory record Official record
Conditions
Hypertrophic Cardiomyopathy
Interventions
Eleclazine, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
26
States / cities
Los Angeles, California • Stanford, California • New Haven, Connecticut + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2018 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 2 Interventional Results available

A Double-blind, Placebo-controlled Clinical Trial of Fluvoxamine for Symptomatic Individuals With COVID-19 Infection

NCT04342663
View directory record Official record
Conditions
COVID 19, Coronavirus
Interventions
Fluvoxamine, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Belleville, Illinois • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Sep 20, 2026, 12:28 PM EDT
Withdrawn Phase 4 Interventional

A Pilot Investigation of Ciclesonide When Administered as a Hypotonic Versus an Isotonic Formulation of Ciclesonide Nasal Spray

NCT00793858
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
placebo, isotonic ciclesonide, hypotonic ciclesonide
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 6, 2013 · Synced Sep 20, 2026, 12:28 PM EDT
Completed No phase listed Observational

COVID-19 Progression in End-Stage Kidney Disease

NCT04495907
View directory record Official record
Conditions
SARS-CoV-2 Infection (Asymptomatic), SARS-CoV-2 Infection (Symptomatic)
Interventions
Not listed
Lead sponsor
Davita Clinical Research
Industry
Eligibility
18 Years to 80 Years
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
11
States / cities
Victorville, California • Bridgeport, Connecticut • Minneapolis, Minnesota + 8 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2022 · Synced Sep 20, 2026, 12:28 PM EDT
Terminated Phase 3 Interventional Results available

CPI-006 Plus Standard of Care Versus Placebo Plus Standard of Care in Mild to Moderately Symptomatic Hospitalized Covid-19 Patients

NCT04734873
View directory record Official record
Conditions
Covid-19
Interventions
CPI-006 2 mg/kg + SOC, CPI-006 1 mg/kg + SOC, Placebo + SOC
Drug
Lead sponsor
Corvus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
13
States / cities
Chula Vista, California • El Centro, California • La Mesa, California + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced Sep 20, 2026, 12:28 PM EDT
Active, not recruiting Phase 2 Interventional

Study to Investigate the Efficacy of Abrocitinib in Adult Participants With Severe Fatigue From Post COVID Condition/Long COVID

NCT06597396
View directory record Official record
Conditions
Post-COVID Condition, Fatigue Symptom
Interventions
Abrocitinib, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 3 Interventional

Advair Pediatric Once-Daily

NCT00920959
View directory record Official record
Conditions
Asthma
Interventions
FP 100mcg, FSC 100/50mcg, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
4 Years to 11 Years
Enrollment
908 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
141
States / cities
Ozark, Alabama • Tucson, Arizona • Little Rock, Arkansas + 118 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2016 · Synced Sep 20, 2026, 12:28 PM EDT
Not listed Not applicable Interventional

Assessment of the Clinical Performance of the ARROW-FLU System

NCT02996136
View directory record Official record
Conditions
Influenza, Human
Interventions
Flu Symptoms
Device
Lead sponsor
Sekisui Diagnostics, LLC
Industry
Eligibility
Not listed
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
14
States / cities
Little Rock, Arkansas • Coral Gables, Florida • Lauderdale Lakes, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2016 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Tozorakimab in Symptomatic Chronic Obstructive Pulmonary Disease With a History of Exacerbations.

NCT05158387
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Tozorakimab, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 130 Years
Enrollment
1,172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
34
States / cities
Sheffield, Alabama • Lincoln, California • Newport Beach, California + 31 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 20, 2026, 12:28 PM EDT
Recruiting Phase 2 Interventional

Thoracic Radiotherapy for Patients With Metastatic (Stage IV) Non-Small Cell Lung Cancer at High Risk of Symptomatic Progression Within the Thorax

NCT06262321
View directory record Official record
Conditions
Stage 4 NSCLC, Radiotherapy
Interventions
Prophylactic Palliative Radiotherapy
Radiation
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 2 Interventional

Control of Asthma Patients Symptomatic on Inhaled Corticosteroids

NCT00330070
View directory record Official record
Conditions
Asthma
Interventions
IPL512,602 20 mg once daily, IPL512,602 Matching Placebo once daily
Drug
Lead sponsor
Inflazyme Pharmaceuticals Ltd
Industry
Eligibility
18 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
8
States / cities
Long Beach, California • Los Angeles, California • San Diego, California + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2007 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 2 Interventional Results available

TD-0903 for ALI Associated With COVID-19

NCT04402866
View directory record Official record
Conditions
Acute Lung Injury (ALI) Associated With COVID-19, Lung Inflammation Associated With COVID-19
Interventions
TD-0903, Placebo
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
18 Years to 80 Years
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
12
States / cities
Duarte, California • Denver, Colorado • Sebring, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2022 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 2Phase 3 Interventional Results available

A Study of a Potential Oral Treatment to Prevent COVID-19 in Adults Who Are Exposed to Household Member(s) With a Confirmed Symptomatic COVID-19 Infection

NCT05047601
View directory record Official record
Conditions
COVID-19
Interventions
PF-07321332, Placebo for PF-07321332, Placebo for Ritonavir, Ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
2,954 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
64
States / cities
Pelham, Alabama • Tucson, Arizona • Fullerton, California + 36 more
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Not applicable Interventional Results available

Safety and Effectiveness of a New Pleural Catheter for Symptomatic, Recurrent, MPEs Versus Approved Pleural Catheter

NCT02649894
View directory record Official record
Conditions
Malignant Pleural Effusion
Interventions
Active Comparator: Approved Uncoated PleurX Indwelling Pleural Catheter, Experimental: Silver Nitrate Coated Indwelling Pleural Catheter (SNCIPC)
Device
Lead sponsor
C. R. Bard
Industry
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
16
States / cities
Huntsville, Alabama • Stanford, California • Tampa, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 20, 2026, 12:28 PM EDT
Recruiting Phase 3 Interventional

A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease

NCT06679140
View directory record Official record
Conditions
COVID-19 SARS-CoV-2 Infection
Interventions
ibuzatrelvir, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
2,330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
86
States / cities
Little Rock, Arkansas • Bakersfield, California • Huntington Park, California + 63 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 4 Interventional Results available

A 12-Month Study Comparing Fluticasone Propionate/Salmeterol (ADVAIR) DISKUS Combination Product 250/50mcg Twice Daily To Fluticasone Propionate (FLOVENT) DISKUS 250 mcg Twice Daily In Symptomatic Patients With Asthma

NCT00452348
View directory record Official record
Conditions
Asthma
Interventions
Fluticasone Propionate/salmeterol xinofoate 250/50 mcg BID, Fluticasone propionate 250 mcg BID
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
628 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
58
States / cities
Birmingham, Alabama • Mobile, Alabama • Fresno, California + 54 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2016 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 2 Interventional

The Effect of Nasal Carbon Dioxide (CO2) Used As-Needed in the Symptomatic Treatment of Seasonal Allergic Rhinitis

NCT00917020
View directory record Official record
Conditions
Seasonal Allergic Rhinitis
Interventions
Nasal CO2, Inactive Placebo Gas
Drug
Lead sponsor
Capnia, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 14, 2012 · Synced Sep 20, 2026, 12:28 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Use of Autologous Adipose-Derived Stem/Stromal Cells (AD-cSVF) in Symptomatic Benign Prostate Hypertrophy

NCT02961114
View directory record Official record
Conditions
BPH, Nocturia, BPH With Urinary Obstruction, Prostatism, Prostate Inflammation
Interventions
Microcannula Harvest Adipose, Centricyte 1000, IV Sterile Normal Saline
Procedure · Device · Biological
Lead sponsor
Robert W. Alexander, MD, FICS
Industry
Eligibility
30 Years to 80 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Stevensville, Montana
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Sep 20, 2026, 12:28 PM EDT
Completed Phase 2 Interventional Results available

NBT-NM108 as an Early Treatment for Suspected or Confirmed Symptomatic COVID-19 Patients

NCT04540406
View directory record Official record
Conditions
Suspected or Confirmed COVID-19
Interventions
NBT-NM108, Usual Care Only
Drug · Other
Lead sponsor
Notitia Biotechnologies Company
Industry
Eligibility
18 Years to 79 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 20, 2026, 12:28 PM EDT