- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05644132
Thumb Hemi-Arthroplasty With Natural Kinematics (THANKS) Trial (THANKS)
This clinical trial aims to evaluate the safety and effectiveness of the lnDx Implant in the treatment of thumb base joint arthritis.
This clinical trial hypothesises that implanting the lnDx prosthesis will improve thumb opposition motion, decrease pain and stiffness, and increase grip and pinch strengths of the carpometacarpal joint in patients with thumb base joint arthritis.
Participants will undergo the following measures to assess their clinical performance:
- Hand X-Ray
- Range of Motion - Kapandji opposition score
- Grip strength, lateral pinch and tip pinch
- Visual Analogue Scale (VAS) for Pain
- Quick Disabilities of the Arm, Shoulder, and Hand (DASH) questionnaire
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Kortrijk, Belgium, 8500
- AZ Groeninge
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- The patient is at least 18 years of age;
- The patient has a confirmed Grade 1-111 osteoarthritis of the CMG joint on clinical examination and X-ray;
- The patient agrees to abstain from enrolment in any other clinical trials that will conflict or interfere with the interpretation of the results of this study, in the opinion of the Investigator, for the duration of the study;
- The patient is able to understand the aims and objectives of the trial and is willing to consent;
- Be willing and able to return for all study-related follow-up procedures;
- If female, is either using contraception or is postmenopausal, or male partner is using contraception; and
- Have been informed of the nature of the study, agreeing to its requirements, and have signed the informed consent approved by the institutional review board/ethics committee.
Exclusion Criteria:
- The patient is <18 years of age;
- The patient is suffering from Rheumatoid Arthritis;
- The patient is suffering from Grade IV osteoarthritis of the CMG joint;
- The patient is suffering post-traumatic arthritis of the CMG joint;
- The patient is a pregnant/lactating female (tested as per institutional requirements);
- Active or latent infection, or sepsis;
- Insufficient quantity or quality of bone and/or soft tissue;
- Metal or polymer material sensitivity;
- Patients who are unwilling or incapable of following postoperative care instructions or protocol requirements;
- Muscular imbalance, peripheral vascular disease that prohibits adequate healing, or a poor soft-tissue envelope in the surgical field, absence of musculoligamentous supporting structures, or peripheral neuropathy;
- Patient with previous thumb surgery;
- In the opinion of the investigator, any medical condition that makes the subject unsuitable for inclusion in the study, including, but not limited to, subjects with a diagnosis of concomitant injury that may interfere with healing; subjects with clinically significant renal, hepatic, cardiac, endocrine, hematologic, autoimmune, or any systemic disease or systemic infection that may make interpretation of the results difficult; subjects who have undergone systemic administration within 30 days prior to implantation of any type of corticosteroid, antineoplastic, immunostimulating, or immunosuppressive agents;
- Comorbidity that reduces life expectancy to less than 36 months.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Thumb base joint prosthesis
|
Treatment of thumb base joint arthritis with the InDx Implant
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Device Survival
Time Frame: Post-op 1 month
|
Device surviving in service where survival is a lack of a device failure.
|
Post-op 1 month
|
Device Survival
Time Frame: Post-op 2 month
|
Device surviving in service where survival is a lack of a device failure.
|
Post-op 2 month
|
Device Survival
Time Frame: Post-op 3 month
|
Device surviving in service where survival is a lack of a device failure.
|
Post-op 3 month
|
Device Survival
Time Frame: Post-op 6 month
|
Device surviving in service where survival is a lack of a device failure.
|
Post-op 6 month
|
Device Survival
Time Frame: Post-op 12 month
|
Device surviving in service where survival is a lack of a device failure.
|
Post-op 12 month
|
Quick DASH Scale
Time Frame: Post-op 3 months
|
Disability of Arm, Shoulder and Hand (DASH) questionnaire to assess upper extremity disability and symptoms.
Lower scores indicate better outcomes.
|
Post-op 3 months
|
Quick DASH Scale
Time Frame: Post-op 6 months
|
Disability of Arm, Shoulder and Hand (DASH) questionnaire to assess upper extremity disability and symptoms.
Lower scores indicate better outcomes.
|
Post-op 6 months
|
Quick DASH Scale
Time Frame: Post-op 12 months
|
Disability of Arm, Shoulder and Hand (DASH) questionnaire to assess upper extremity disability and symptoms.
Lower scores indicate better outcomes.
|
Post-op 12 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Visual Analogue Scale (VAS) Pain Score
Time Frame: Post-op 2 months
|
Subjective measure to assess pain.
Lower scores indicate better outcomes.
|
Post-op 2 months
|
Visual Analogue Scale (VAS) Pain Score
Time Frame: Post-op 3 months
|
Subjective measure to assess pain.
Lower scores indicate better outcomes.
|
Post-op 3 months
|
Visual Analogue Scale (VAS) Pain Score
Time Frame: Post-op 6 months
|
Subjective measure to assess pain.
Lower scores indicate better outcomes.
|
Post-op 6 months
|
Visual Analogue Scale (VAS) Pain Score
Time Frame: Post-op 12 months
|
Subjective measure to assess pain.
Lower scores indicate better outcomes.
|
Post-op 12 months
|
Grip and pinch strength measurements
Time Frame: Post-op 2 months
|
Assessment of Grip, Tip Pinch, and Lateral Pinch strength.
Higher scores indicate better outcomes.
|
Post-op 2 months
|
Grip and pinch strength measurements
Time Frame: Post-op 3 months
|
Assessment of Grip, Tip Pinch, and Lateral Pinch strength.
Higher scores indicate better outcomes.
|
Post-op 3 months
|
Grip and pinch strength measurements
Time Frame: Post-op 6 months
|
Assessment of Grip, Tip Pinch, and Lateral Pinch strength.
Higher scores indicate better outcomes.
|
Post-op 6 months
|
Grip and pinch strength measurements
Time Frame: Post-op 12 months
|
Assessment of Grip, Tip Pinch, and Lateral Pinch strength.
Higher scores indicate better outcomes.
|
Post-op 12 months
|
Kapandji Score
Time Frame: Post-op 2 months
|
Assessment of Range of Motion.
Higher scores indicate better outcomes.
|
Post-op 2 months
|
Kapandji Score
Time Frame: Post-op 3 months
|
Assessment of Range of Motion.
Higher scores indicate better outcomes.
|
Post-op 3 months
|
Kapandji Score
Time Frame: Post-op 6 months
|
Assessment of Range of Motion.
Higher scores indicate better outcomes.
|
Post-op 6 months
|
Kapandji Score
Time Frame: Post-op 12 months
|
Assessment of Range of Motion.
Higher scores indicate better outcomes.
|
Post-op 12 months
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- lnDx01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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