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Home › Medications › theophylline

theophylline

1 published article · Updated continuously

Clinical Trial Landscape

Clinical Trials of theophylline

10 trials tracked of theophylline: 3 in phase 3 or 4 and 1 with published results. The most-cited published study has 35 citations.

10Trials tracked
3Phase 3 & 4
0Recruiting
1With published results
Phase distribution
Phase 4 2 Phase 3 1 Phase 2 5 Phase 1 2
  1. Phase 4 Theophylline and Steroids in Chronic Obstructive Pulmonary Disease (COPD) Study Completed · 35 cited
  2. Phase 4 Drug Interaction Study of Colchicine and Theophylline Completed
  3. Phase 3 Enhancement of Corticosteroid Efficacy in COPD Completed
  4. Phase 2 Smell Changes & Efficacy of Nasal Theophylline Completed
  5. Phase 2 Enhancement of in-Vitro GC Function in Patients With COPD Completed
  6. Phase 2 Helping Olfaction and Nutrition On Renal Replacement Completed
Show 4 more trials
  1. Phase 2 Theophylline as a Treatment for Children With Pseudohypoparathyroidism Type 1a (Albright Hereditary Osteodystrophy) Completed
  2. Phase 2 Smell in COVID-19 and Efficacy of Nasal Theophylline (SCENT 3) Completed
  3. Phase 1 A Study of LY2216684 and Theophylline in Healthy Subjects Completed
  4. Phase 1 Drug-Drug Interaction Study of Colchicine and Theophylline Completed

Showing the 10 most-cited and recently-updated of 10 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
Low-dose theophylline shows modest FEV improvement but no exacerbation reduction in mild to moderate COPD
Pulmonology & Critical Care RCT
Low-dose theophylline shows modest FEV improvement but no exacerbation reduction in mild to moderate COPD Can a low-dose pill help people with mild COPD breathe easier?
A 12-month randomized trial in 734 Chinese patients with mild to moderate COPD found oral low-dose theophylline (100 mg twice daily) produce…
A low-dose theophylline pill helped mild COPD patients exhale slightly better but did not reduce dangerous flare-ups during a year-long stud…
Apr 8, 2026