A Phase 2 Clinical Trial Examining the Effects on Osteoarthritic Knee Pain of CGS-200-1, CGS-200-5 and Vehicle Control
A Phase 2 Double-Blind Clinical Trial to Examine the Comparative Effects on Osteoarthritic Knee Pain of CGS-200-1 (1% Capsaicin Topical Liquid), CGS-200-5 (5% Capsaicin Topical Liquid), and CGS-200-0 (Vehicle, No Capsaicin)
1 other identifier
interventional
122
1 country
6
Brief Summary
This is a multi-center, randomized, double-blind clinical trial to examine the comparative effects on OAKP of CGS-200-1 (1% Capsaicin content) (N=40), CGS-200-5 (5% Capsaicin content) (N=40), and CGS-200 Vehicle (no Capsaicin) (N=40) in subjects with OA of the knees according to the 1986 American College of Rheumatology (ACR) criteria. Assigned doses will be applied at the clinic for 60 minutes on each of four consecutive days.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started May 2018
Shorter than P25 for phase_2
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 20, 2018
CompletedStudy Start
First participant enrolled
May 14, 2018
CompletedFirst Posted
Study publicly available on registry
May 17, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 14, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
December 30, 2018
CompletedResults Posted
Study results publicly available
December 17, 2019
CompletedOctober 30, 2024
October 1, 2020
5 months
March 20, 2018
December 2, 2019
October 19, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
Primary Efficacy Endpoint: Change in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) Pain Score From Baseline to Day 35
The Primary Efficacy endpoint of this study will be to examine the extent of change in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain score, relative to baseline, provided by once daily, one-hour application of Vehicle (CGS-200-0), CGS-200-1 and CGS-200-5 at Baseline (\< 30 minutes prior to first daily application) and Day 35 (31 days after fourth daily application). The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain score is 5 questions relating to pain that the subject responds to using a 100mm visual analogue scale. The minimum score is 0 and the maximum score is 500. Reduction in pain is expressed as a difference from baseline to Study Day 35. Positive numbers indicate increases and negative numbers indicate decreases. .
35 days after the last dose of study drug on Day 4
Secondary Outcomes (4)
Secondary Efficacy Endpoint #1: Extent of Change in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) Pain Score From Baseline to Day 5, 19, 64 and 94.
Days 5, 19, 65 and 94 after the last dose of study drug on Day 4
Patient Reported Burning-Stinging Pain (BSP) During Application of Study Drug.
60 minutes after study drug application on Study Days 1,2,3,4
Western Ontario and McMaster Universities Osteoarthritis (WOMAC) Index Stiffness Scores.
Day 5, 19, 35, 64 and 94 days after the last dose of study drug on Study Day 4
Western Ontario and McMaster Universities Osteoarthritis (WOMAC) Index Function Scores.
Day 5, 19, 35, 64 and 94 days after the last dose of study drug on Study Day 4
Other Outcomes (2)
Number of Subjects With Skin Reactions of Erythema or Pruritus.
Study Day 1 through Study Day 35 after the first application of study drug (Study Day 1)
Number of Subjects With Durability of Efficacy Response
Days 35, 64 and 94 day after the last dose of study drug on Study Day 4
Study Arms (3)
CGS-200-1
EXPERIMENTALCGS-200-1 (1% Capsaicin content), a topical analgesic liquid. A single dose will be topically applied to both knees for 60 minutes on Visit 2 on Day 1, Day 2, Day 3, and Day 4.
CGS-200-5
EXPERIMENTALCGS-200-5 (5% Capsaicin content), a topical analgesic liquid. A single dose will be topically applied to both knees for 60 minutes on Visit 2 on Day 1, Day 2, Day 3, and Day 4.
CGS-200 Vehicle
SHAM COMPARATORCGS-200 Vehicle (no Capsaicin), a topical liquid. A single dose will be topically applied to both knees for 60 minutes on Visit 2 on Day 1, Day 2, Day 3, and Day 4.
Interventions
CGS-200-1 is a multi-component formulation in which the active ingredient for the intended therapeutic effect is capsaicin at a level of 1% for this study.
CGS-200-5 is a multi-component formulation in which the active ingredient for the intended therapeutic effect is capsaicin at a level of 5% for this study.
CGS-200 Vehicle contains all of the ingredients in CGS-200-1 and CGS-200-5 except for capsaicin.
Eligibility Criteria
You may qualify if:
- Osteoarthritis (OA) of both knees;
- OA of both knees must be confirmed by tibiofemoral joint radiographs obtained within the past 6 months;
- Rheumatoid factor (RF) negative and Erythrocyte sedimentation rate (ESR) \<40 mm/hr;
- Chronic knee pain in at least 1 knee for \> 3 months;
- WOMAC pain score of \> 250 (using VAS WOMAC format) at screening, and at baseline, in at least one knee;
- Knee pain score of \> 5 on the NRS pain scale at screening, and at baseline, in at least one knee;
- Knee pain is not potentially due to acute trauma unrelated to OA (no acute traumatic knee injury in medical history);
- No burning-stinging pain, unrelated to subject's knee pain, at intended site of application;
- Knee pain must be greater than pain in any other part of subject's body;
- American College of Rheumatology (ACR) global functional status I, II, or III (excluding IV).
You may not qualify if:
- Spontaneously improving or rapidly deteriorating OA of the knee;
- Rheumatoid or psoriatic arthritis, or a form of arthritis (e.g. gout, pseudogout), Paget's disease of bone, or any other disease affecting the joints that are inconsistent with a diagnosis of idiopathic OA;
- Labile or poorly controlled hypertension;
- Use of steroids for 1 month prior to screening, or intraarticular-visco-supplementation within 3 months prior to screening;
- Used any capsaicin-containing product on or in the vicinity of the knee within 4 weeks prior to screening;
- Used topically applied products (including emollients or moisturizers) on or in the vicinity of the knees or shaved the knees within 2 days prior to the first application of study drug; or an open wound near the knee; cutaneous erythema or edema; any inflammatory skin lesions such as eczema or psoriasis; cutaneous infections; or any other compromise of the skin;
- Requires or anticipates any surgical procedure within 3 months prior to screening, has had surgery on the affected joint within 6 months prior to screening, has a prosthesis in either knee, or would require surgery while participating in the trial.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (6)
Clinical Research of West Florida
Clearwater, Florida, 33765, United States
Clinical Research of West Florida, Inc.
Tampa, Florida, 33603, United States
McIlwain Medical Group
Tampa, Florida, 33613, United States
CTI Clinical Research Center
Cincinnati, Ohio, 45212, United States
Radiant Research, Inc.
Dallas, Texas, 75234, United States
Radiant Research, Inc.
San Antonio, Texas, 78229, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Vice President Clinical Operations
- Organization
- Vizuri Health Sciences
Study Officials
- STUDY DIRECTOR
Vice President Clinical Operations
Vizuri Health Sciences
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 20, 2018
First Posted
May 17, 2018
Study Start
May 14, 2018
Primary Completion
October 14, 2018
Study Completion
December 30, 2018
Last Updated
October 30, 2024
Results First Posted
December 17, 2019
Record last verified: 2020-10
Data Sharing
- IPD Sharing
- Will not share
Access to anonymized individual participant level data will not be provided for this trial. Further details on Astellas' data sharing policy can be found at https://www.clinicaltrials.astellas.com/transparency/.