Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 26, 2026, 3:25 PM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Tigulixostat on the Pharmacokinetics of Theophylline

NCT06189404
Conditions
Gout, Hyperuricemia
Interventions
Tigulixostat, Theophylline
Drug
Lead sponsor
LG Chem
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Austin, Texas
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Rapid Acclimatization to Hypoxia at Altitude

NCT01702025
Conditions
Physiological Function in Low Oxygen Environment
Interventions
Placebo, Aminophylline, Methazolamide, Aminophylline+Methazolamide
Drug
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 40 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Fort Collins, Colorado
Completed Phase 2 Interventional Results available

Smell in Covid-19 and Efficacy of Nasal Theophylline

NCT04789499
Conditions
Covid19, Anosmia, Olfactory Disorder, Covid-19 Pandemic, SARS-CoV-2 Infection, Hyposmia, Ageusia, Hypogeusia
Interventions
Theophylline Powder, Placebo Comparator
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Asthma
Interventions
Fluticasone 250 mg/salmeterol 50 mg, Montelukast 10mg, Theophylline 400 mg, ipratropium
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Diego, California
Conditions
COVID-19
Interventions
theophylline, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Acute Mountain Sickness and Fatigue
Interventions
Aminophylline 400 mg, Ambrisentan 5 mg, Placebo
Drug · Other
Lead sponsor
Robert J Noveck, M.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Durham, North Carolina
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Theophylline for Depression Study

NCT04309877
Conditions
Depression
Interventions
Theophylline ER, PO placebo, Lipopolysaccharide (LPS), IV placebo
Drug · Other · Biological
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California