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Safety and Tolerability of 4975 in the Treatment of Moderate to Severe Knee Pain Due to Osteoarthritis (OA)

Phase 2
Completed
Conditions
Osteoarthritis of the Knee
Interventions
Registration Number
NCT00667654
Lead Sponsor
Centrexion Therapeutics
Brief Summary

This study will evaluate dosing regimens of 4975 in terms of safety and tolerability when delivered as an intra-articular injection in the knee. Secondary objectives will be to explore the efficacy of 4975 in terms of onset, extent and duration of pain relief.

Detailed Description

This is a single site study. The study drug, 4975, will be administered in various dosing regimens by intra-articular injection followed by an observation period of up to 12 weeks. Pain in the treated knee will be assessed before, during and after administration of the study drug.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
54
Inclusion Criteria
  • Male or female patients aged 40 years or over.
  • Body mass index (BMI) of 35 or less.
  • History of OA of the knee for at least 1 year and has experienced pain in the target area for at least six months.
  • X-Ray of the target knee.
  • Willing and able to complete the study procedures.
Exclusion Criteria
  • Female patients who are pregnant or lactating or who plan to get pregnant.
  • Clinically significant form of joint disease other than OA.
  • Medical condition that could adversely impact the patient's participation, safety or affect the conduct of the study.
  • Prior major trauma in the target knee or major surgeries such as partial or total knee arthroplasty.
  • Arthroscopic surgery on the target knee within 6 months.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
100-200 µg CNTX-4975CNTX-4975single dose
600-700 µg CNTX-4975CNTX-4975Total dose delivered as two separate lower doses
800 µg CNTX-4975CNTX-4975Total dose delivered as two separate lower doses
300-425 µg CNTX-4975CNTX-4975Total dose delivered as two separate lower doses
900-1000 µg CNTX-4975CNTX-4975Total dose delivered as two separate lower doses
Primary Outcome Measures
NameTimeMethod
To evaluate the safety of IA CNTX-4975 as measured by related AEs occurring on day of dosing measures of pain at prescribed times12 Weeks
Secondary Outcome Measures
NameTimeMethod
Evaluate analgesic efficacy, as measured by the PGIC, following IA injection of CNTX-497512 Weeks
Change from baseline to Week 12 in WOMAC subscale scoreBaseline to 12 weeks

Trial Locations

Locations (1)

Clinical Phamacology Study Group

🇺🇸

Worcester, Massachusetts, United States

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