| Comparison of oral administration of Ergotamine-c and Theophylline on postdural puncture headache in cesarean section | Comparison of oral administration of Ergotamine-c and Theophylline on postdural puncture headache in cesarean section | IRCT20120915010841N14 |
| Diaphragm Ultrasound in ARDS for evaluating the advantage of Theophylline and anti-oxidant | Diaphragm Ultrasound to evaluate therapeutic effect of theophylline and anti-oxidant in ARDS - A Randomized Controlled Study - DUTTAARDS | CTRI/2025/02/080406 |
| Drug Interaction Study of Colchicine and Theophylline | An Open-Label, One Sequence, Pharmacokinetic Drug Interaction Study of Colchicine and Theophylline in Healthy Subjects | NCT01601132 |
| Drug - Drug Interaction Study Between Quinine Sulfate and Theophylline | A Pharmacokinetic Drug-Drug Interaction Study to Evaluate the Effect of Steady-State Quinine Sulfate on the Pharmacokinetics of Single-Dose Theophylline in Healthy Adult Males | NCT00779259 |
| Drug-Drug Interaction Study of Colchicine and Theophylline | A One-Directional, Open-Label, Drug Interaction Study to Investigate the Effects of Multiple-Dose Colchicine on Single-Dose Pharmacokinetics of Theophylline in Healthy Volunteers | NCT00983905 |
| Investigating the effect of oral theophylline on complications caused by double J | Investigating the effect of oral theophylline on complications caused by double J: A Double Blind Clinical Trial | IRCT20190624043991N22 |
