A Study of the Effectiveness and Safety of Tramadol HCl/Acetaminophen Compared to Placebo in Treating Acute Low Back Pain
A Randomized, Double-blind, Placebo-controlled, Parallel Group Study to Evaluate the Efficacy and Safety of ULTRACET® (Tramadol HCl/Acetaminophen) for the Treatment of Acute Low Back Pain
Sponsor: Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
This PHASE4 trial investigates Back Pain and Low Back Pain and is currently terminated or withdrawn. Johnson & Johnson Pharmaceutical Research & Development, L.L.C. leads this study, which shows 9 recorded versions since 2005 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Status Flow
Change History
9 versions recorded-
Sep 2024 — Present [monthly]
Terminated PHASE4
-
Jul 2024 — Sep 2024 [monthly]
Terminated PHASE4
-
Dec 2021 — Jul 2024 [monthly]
Terminated PHASE4
-
Jan 2021 — Dec 2021 [monthly]
Terminated PHASE4
-
Nov 2020 — Jan 2021 [monthly]
Terminated PHASE4
▶ Show 4 earlier versions
-
Jun 2018 — Nov 2020 [monthly]
Terminated PHASE4
-
May 2018 — Jun 2018 [monthly]
Terminated PHASE4
-
Aug 2017 — May 2018 [monthly]
Terminated PHASE4
-
Jan 2017 — Aug 2017 [monthly]
Terminated PHASE4
First recorded
Mar 2005
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
- PriCara, Unit of Ortho-McNeil, Inc.
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
No location information available.