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Safety and Efficacy Study of GRT6005 in Patients With Osteoarthritis (OA) Knee Pain

Recruiting in Palo Alto (17 mi)
+82 other locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 2
Waitlist Available
Sponsor: Tris Pharma, Inc.
Prior Safety Data

Trial Summary

What is the purpose of this trial?

The purpose of this study is to evaluate the safety and efficacy of GRT6005 compared to placebo in patients with moderate to severe chronic pain due to osteoarthritis (OA) of the knee. This study includes a maximum 21 day Screening Period followed by a 15-week Double-blind Treatment Period and a 4-7 day Safety Follow-up period. Patients who are eligible for the Double-blind Treatment Period will be randomized to one of following treatment groups: GRT6005 high-dose range (400, 600 or 800 mcg), GRT6005 low-dose range (200, 300 or 400 mcg), oxycodone controlled release (CR) dose range (10, 20, 30, 40 or 50 mg) or placebo.

Research Team

SD

Study Director

Principal Investigator

Grünenthal GmbH

Eligibility Criteria

Inclusion Criteria

Diagnosis of osteoarthritis (OA) of the knee
OA knee pain present for at least 3 months
OA knee pain is the predominant (ie, most painful) pain condition
See 5 more

Treatment Details

Interventions

  • Cebranopadol (GRT6005) High-Dose Range (Other)
  • Cebranopadol (GRT6005) Low-Dose Range (Other)
  • Oxycodone CR (Other)
  • Placebo (Other)
Participant Groups
4Treatment groups
Experimental Treatment
Active Control
Placebo Group
Group I: Cebranopadol (GRT6005) Low-Dose RangeExperimental Treatment2 Interventions
Once daily GRT6005, flexible dosing 200, 300 or 400 micrograms, and once daily Placebo; oral administration for 15 weeks
Group II: Cebranopadol (GRT6005) High-Dose RangeExperimental Treatment2 Interventions
Once daily GRT6005, flexible dosing 400, 600 or 800 micrograms, and once daily Placebo; oral administration for 15 weeks
Group III: Oxycodone CRActive Control1 Intervention
Twice daily Oxycodone CR, flexible dosing 10, 20, 30, 40 or 50 milligrams; oral administration for 15 weeks
Group IV: PlaceboPlacebo Group1 Intervention
Twice daily Placebo, oral administration for 15 weeks

Find a Clinic Near You

Who Is Running the Clinical Trial?

Tris Pharma, Inc.

Lead Sponsor

Trials
22
Recruited
4,800+

Forest Laboratories

Industry Sponsor

Trials
338
Recruited
89,200+
Founded
1956
Headquarters
New York City, USA
Known For
Depression Medications
Top Products
> Celexa, Lexapro, Namenda, Savella
Brent Saunders profile image

Brent Saunders

Forest Laboratories

Chief Executive Officer since 2013

JD and MBA from Temple University

Marco Taglietti profile image

Marco Taglietti

Forest Laboratories

Chief Medical Officer since 2013

MD