# Drug - Drug Interaction Study Between Quinine Sulfate and Theophylline

> **NCT00779259** · PHASE1 · COMPLETED · sponsor: **Mutual Pharmaceutical Company, Inc.** · enrollment: 24 (actual)

## Conditions studied

- Pharmacokinetics

## Interventions

- **DRUG:** Theophylline 300mg
- **DRUG:** Quinine 648 mg
- **DRUG:** Theophylline 300 mg
- **DRUG:** Quinine 648 mg

## Key facts

- **NCT ID:** NCT00779259
- **Lead sponsor:** Mutual Pharmaceutical Company, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-08
- **Primary completion:** 2007-09
- **Final completion:** 2007-09
- **Target enrollment:** 24 (ACTUAL)
- **Last updated:** 2009-10-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00779259

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00779259, "Drug - Drug Interaction Study Between Quinine Sulfate and Theophylline". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT00779259. Licensed CC0.

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