A Study Utilizing Patient-Reported Outcomes to Evaluate the Safety and Efficacy of Lorecivivint (SM04690) for the Treatment of Moderately to Severely Symptomatic Knee Osteoarthritis (STRIDES)

Inclusion Criteria: * Males and females between 40 and 80 years of age, inclusive, in general good health apart from their knee OA * Ambulatory (single assistive devices such as canes allowed if needed less than 50% of the time, subjects requiring a walker are excluded) * Diagnosis of femorotibial OA in the target knee by standard American College of Rheumatology (ACR) criteria at the Screening Visit (clinical AND radiographic criteria); OA of the knee is not to be secondary to any rheumatologic conditions (e.g., rheumatoid arthritis) * Radiographic disease Stage 2 or 3 in target knee within 24 weeks of the Screening Visit according to the Kellgren-Lawrence (KL) grading of knee OA as assessed by independent central readers * Qualifying mean score on the 24-h average pain score (0-10 numeric rating scale) * Pain compatible with OA of the knee(s) for at least 26 weeks prior to the Screening Visit * Primary source of pain throughout the body is due to OA in the target knee * Body mass index (BMI) ≤ 35 kg/m2 at the Screening Visit Exclusion Criteria: * Pregnant women, breastfeeding women, and women who are not post-menopausal (defined as 12 months with no menses without an alternative medical cause) or permanently surgically sterile (includes hysterectomy, bilateral salpingectomy, and bilateral oophorectomy) who have a positive or indeterminate pregnancy test result at the Screening Visit or Day 1 * Partial or complete joint replacement in either knee * Currently requires use …