The goal of this clinical trial is to test HL-01 in patients with knee osteoarthritis pain. The main question\[s\] it aims to answer are: * Measure the change in average daily knee pain intensity scores from baseline to the end of the study using a pain scale that measures pain on a scale of 0 to 10 * Measure the change in WOMAC (Western Ontario and McMaster Universities Osteoarthritis Index) scales measuring knee pain, stiffness, and function from baseline to the end of the study * Measure the change in EuroQol EQ-5D-5L quality of life assessments from baseline to end of the study * Measure change of participant and physician assessment of how the target knee pain and function are affected by the condition from baseline to end of the study * Measure how often rescue medication is taken from baseline to end of the study * Assess how well participants tolerate the study medication injection (investigational drug or placebo) * Assess whether there are any adverse reactions or side effects from the study medication injection Participants will be asked to complete the following: * Provide informed consent * Knee X-ray of target knee * Complete physical health assessments (e.g., target knee assessment, height, weight, physical exam) at several timepoints throughout the study * Provide demographic information and their medical/surgical history * Provide blood and urine samples at several timepoints throughout the study * Injection of study medication (investigational drug or placebo) * Complete electronic diaries for the following: * Record average daily knee pain intensity scores during screening to confirm eligibility for the study * Record average daily knee pain intensity scores after receiving the study medication injection until they complete the study * Complete WOMAC scales assessing knee pain, stiffness, and function at baseline, Week 6, Week 12 and/or the end of the study * Complete EuroQol EQ-5D-5L quality of life assessments at baseline, Week 6, Week 12 and/or the end of the study * Complete global assessment of how the target knee pain and function are affected by the condition at baseline, Week 6, Week 12 and/or the end of the study
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
704
Sodium hyaluronate solution, 3.36%, for intra-articular injection.
Sodium chloride, for intra-articular injection.
Change from Baseline of the average daily pain intensity score.
The average daily (24 hour) pain intensity score will be measured on a numeric rating scale (NRS) ranging from 0 to 10. The Baseline value will be the mean of the daily records over the 7-day period before Day 1.
Time frame: From Baseline to Week 12
Change in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC)
Change in WOMAC function subscale from Baseline to Week 12.
Time frame: Baseline to Week 12.
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