Clinical trial

Mitigation of Arthrofibrosis After Total Knee Arthroplasty Using Losartan

Name
2023-194
Description
The purpose of this study is to evaluate the efficacy of Losartan use post-operatively for reducing or preventing the development of arthrofibrosis and the associated adverse impacts on clinical outcomes.
Trial arms
Trial start
2024-03-06
Estimated PCD
2027-06-30
Trial end
2027-06-30
Status
Recruiting
Phase
Early phase I
Treatment
Losartan
12.5 mg oral Losartan taken for 28 days total (4 week postoperative).
Arms:
Losartan (investigational)
Other names:
Losartan potassium
Placebo - Losartan
Losartan appearance-matched Prosolv EasyTab SP placebo. 12.5 mg oral tablet taken for 28 days total (4 week postoperative).
Arms:
Placebo (control)
Other names:
Placebo Oral Tablet
Size
120
Primary endpoint
Quantitative Ultrasound Measurement of Capsular Thickness at Lateral Retinaculum
Baseline, 6 weeks post-op, and 3 months post-op
Knee Range of Motion
Baseline, 6 weeks post-op, and 3 months post-op
Eligibility criteria
Inclusion Criteria: 1. Planned primary total knee arthroplasty of a single knee; 2. Male or female ≥ 18 years of age; 3. Capacity to personally give informed consent (consent via legally authorized representative will not be accepted) and who are willing to comply with all study-related procedures and assessments. Exclusion Criteria: 1. Breastfeeding, pregnant, or planning to become pregnant during participation in the study; 2. Diagnosed with inflammatory or other arthritis caused by autoimmune disease affecting the study knee; 3. Previous knee arthroplasty on the study knee; 4. Previous infection affecting the study knee; 5. Planned total knee arthroplasty of contralateral knee to occur at any point during the study participation period; 6. Are hypotensive as confirmed by Principal Clinical Investigator or appropriate designee; 7. Planned lower extremity surgery (other than TKA in the study leg) for the duration of study participation; 8. Any condition other than knee osteoarthritis that significantly impairs ability to walk or perform other activities of daily living; 9. Currently taking: Losartan or other medication in the same drug class; Warfarin or related anticoagulants; 10. Opioid analgesics taken in the past 8 weeks and are not willing to discontinue these medications through the duration of the study (except as prescribed as standard of care in the immediate post-operative period); 11. Allergic to any active or inactive ingredient of Losartan; 12. Taking medication with known adverse Losartan interaction; 13. Subjects that have any medical condition, including malignancies, laboratory findings, and/or findings in the medical history or in the pre-study assessments that, in the opinion of the Investigator, constitutes a risk or contraindication for participation in the study or that could interfere with the study objectives, conduct, or evaluation, or prevent the patient from fully participating in all aspects of the study.
Protocol
{'studyType': 'INTERVENTIONAL', 'phases': ['PHASE1', 'PHASE2'], 'designInfo': {'allocation': 'RANDOMIZED', 'interventionModel': 'PARALLEL', 'interventionModelDescription': 'prospective, randomized, double-blind, placebo controlled clinical trial', 'primaryPurpose': 'PREVENTION', 'maskingInfo': {'masking': 'QUADRUPLE', 'maskingDescription': "The Investigator or properly trained and delegated study team member (Physician Assistant) will write the prescription for the study medication. The subject's randomization number will be communicated directly to the Vail Health pharmacy. The Vail Health pharmacy will maintain an unblinded, de-identified randomization spreadsheet that documents group allocation for each subject. The Vail Health Pharmacy oversees and manages drug disbursement for research.", 'whoMasked': ['PARTICIPANT', 'CARE_PROVIDER', 'INVESTIGATOR', 'OUTCOMES_ASSESSOR']}}, 'enrollmentInfo': {'count': 120, 'type': 'ESTIMATED'}}
Updated at
2024-03-12

1 organization

1 product

1 drug

2 indications

Indication
Total
Product
Losartan