# A Study To Assess The Ability Of Tramadol, Naproxen And Oxycodone To Affect The Pain Thresholds Of Patients With Osteoarthritis Of The Thumb

> **NCT00743587** · PHASE1 · COMPLETED · sponsor: **Pfizer** · enrollment: 36 (actual)

## Conditions studied

- Osteoarthritis Thumbs

## Interventions

- **DRUG:** Placebo
- **DRUG:** Oxycodone
- **DRUG:** Tramadol
- **DRUG:** Naproxen

## Key facts

- **NCT ID:** NCT00743587
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-09
- **Primary completion:** 2009-03
- **Final completion:** 2009-03
- **Target enrollment:** 36 (ACTUAL)
- **Last updated:** 2018-12-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00743587

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00743587, "A Study To Assess The Ability Of Tramadol, Naproxen And Oxycodone To Affect The Pain Thresholds Of Patients With Osteoarthritis Of The Thumb". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00743587. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*