deltatrials
Completed PHASE3 NCT00648258

A Double-Blind, Double Dummy, Randomized Comparison Study Of The Efficacy And Safety Of Valdecoxib 10mg Once Daily And Naproxen 500mg Twice Daily In Treating The Signs And Symptoms Of Osteoarthritis Of The Knee Or Hip In Taiwan

A Double-Blind, Double Dummy, Randomized Comparison Study Of The Efficacy And Safety Of Valdecoxib 10mg QD And Naproxen 500mg BID In Treating The Signs And Symptoms Of Osteoarthritis Of The Knee Or Hip In Taiwan

Sponsor: Pfizer

Conditions Osteoarthritis
Interventions naproxen valdecoxib
Updated 8 times since 2017 Last updated: Dec 3, 2018 Started: Jul 31, 2003 Completion: Apr 30, 2004

This PHASE3 trial investigates Osteoarthritis and is currently completed. Pfizer leads this study, which shows 8 recorded versions since 2003 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Change History

8 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  4. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE3

  5. Jan 2019 — Jan 2021 [monthly]

    Completed PHASE3

▶ Show 3 earlier versions

  1. Jun 2018 — Jan 2019 [monthly]

    Completed PHASE3

  2. Feb 2017 — Jun 2018 [monthly]

    Completed PHASE3

  3. Jan 2017 — Feb 2017 [monthly]

    Completed PHASE3

    First recorded

Jul 2003

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Pfizer
Data source: Pfizer

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

  • • Kaohsiung City, Taiwan
  • • Kweishan, Taiwan
  • • Taichung, Taiwan
  • • Taipei, Taiwan