~73 spots leftby Apr 2026

Efficacy and Safety of Oxycodone/Naloxone Controlled-release Tablets (OXN) Compared to Placebo in Opioid-experienced Subjects With Moderate to Severe Chronic Low Back Pain

Recruiting in Palo Alto (17 mi)
+150 other locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 3
Waitlist Available
Sponsor: Purdue Pharma LP
Pivotal Trial (Near Approval)
Prior Safety Data

Trial Summary

What is the purpose of this trial?

The primary objective of this study is to assess the efficacy and safety of OXN compared to placebo in opioid-experienced subjects with moderate to severe pain due to chronic low back pain who require around-the-clock opioid therapy.

Eligibility Criteria

Inclusion Criteria

Male and female subjects ≥ 18 years of age with moderate to severe, chronic low back pain (lasting at least several hours daily) as their predominant pain condition for at least 3 months prior to screening period;
The back pain must be related to nonmalignant and nonneuropathic conditions and without radiation or with only proximal radiation (above the knee);
Has been ongoing for at least 4 weeks prior to the screening visit and
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Treatment Details

Interventions

  • Oxycodone/Naloxone Controlled-release (Opioid Analgesic)
  • Placebo (Other)
Participant Groups
2Treatment groups
Experimental Treatment
Placebo Group
Group I: OXNExperimental Treatment1 Intervention
Oxycodone/Naloxone Controlled-release Tablets (OXN)
Group II: PlaceboPlacebo Group1 Intervention
Placebo tablets to match OXN

Find a Clinic Near You

Research Locations NearbySelect from list below to view details:
RX Clinical Research, Inc.Garden Grove, CA
Pacific Coast Pain Management CenterLaguna Hills, CA
International Clinical Research Institute, Inc.Leawood, KS
The Pain Treatment Center of the BluegrassLexington, KY
More Trial Locations
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Who Is Running the Clinical Trial?

Purdue Pharma LPLead Sponsor

References