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Volunteers
Inclusion criteria
Voluntarily agreed to participate in the study after being informed about the nature of the trial and has signed the informed consent form approved by the IRB.
Adults aged 40 to 75 years at the time of screening.
Meets the American College of Rheumatology (ACR) criteria for osteoarthritis and has symptoms lasting for more than 3 months requiring pharmacological treatment. Must have knee pain and radiographic evidence of osteophytes, with at least one of the following:
Has a Kellgren-Lawrence grade II or III in the knee joint on X-ray at the time of screening.
Experiences a maximum pain of 50 mm or greater on the 100 mm VAS in activity over the past 24 hours at screening and baseline.
For females, the following conditions apply:
For women of childbearing potential, the serum hCG pregnancy test at screening must be negative, confirming not pregnant.
Not currently breastfeeding.
Has undergone surgical sterilization (documented bilateral tubal ligation, bilateral tubal occlusion, bilateral oophorectomy, or hysterectomy), or is postmenopausal.
For women over 50 years: 12 months of natural amenorrhea.
For women under 50 years: Serum FSH level over 40 IU/L and 12 months of natural amenorrhea.
Exclusion criteria
BMI of 35.0 kg/m² or higher at screening.
Developed a clinically significant new disease within 4 weeks before screening or during the screening period, as judged by the investigator.
Has arthritis in joints other than the knee.
Has any other joint disease except knee osteoarthritis (e.g., secondary osteoarthritis due to trauma, congenital defects, calcium deposition diseases, rheumatoid arthritis, gouty arthritis, Paget's disease, systemic inflammatory disorders, chondrocalcinosis, hemachromatosis, inflammatory arthritis, avascular necrosis, etc.).
Has a history of knee or other joint surgery.
Has received injections in the affected knee before the administration of the study drug:
Has received drug therapy for pain control or symptom improvement in the knee joint area within 4 weeks before study drug administration (opioid analgesics, non-opioid analgesics, topical capsaicin, NSAIDs, anticonvulsants, and other treatments like physical therapy, prolotherapy, herbal treatment, glucosamine, chondroitin).
Expected to undergo surgery during the clinical trial period that may affect study completion or adherence to the clinical protocol.
Has neuropathic pain or has taken neuropathic pain medications (gabapentinoids, SNRIs, tricyclic antidepressants) within 4 weeks before screening.
Has a history of myocardial infarction, unstable angina, stroke, transient ischemic attack, or deep vein thrombosis within 3 months (13 weeks) before screening.
Has any clinically significant untreated or unstable diseases of the liver, kidney, nervous system, immune system, respiratory system, endocrine system, blood/oncologic diseases, cardiovascular diseases, psychiatric disorders, neoplastic diseases, or any other conditions deemed unsuitable for participation by the investigator.
For males, has a history of hypogonadism or known causes of hypogonadism (e.g., prostate cancer treatment), infertility, Klinefelter syndrome, or Kalman syndrome.
Has used medications that can alter reproductive hormone levels (e.g., anabolic steroids, androgens, anti-estrogens, glucocorticoids, opiates, etc.) within 6 months (26 weeks) before screening.
Has a history of organ transplantation.
Has clinically significant liver dysfunction (e.g., AST or ALT more than 2.5 times the upper limit of normal, total bilirubin more than twice the upper limit of normal [except documented Gilbert's syndrome]) or kidney dysfunction (GFR <60 mL/min).
Tests positive for HBsAg, HCV Ab, HIV Ag/Ab, or VDRL (RPR) at screening.
Has a history of malignant tumors within the past 5 years (except for those with completely treated basal cell carcinoma, in situ carcinoma, thyroid cancer, or squamous cell carcinoma of the skin, based on the investigator's medical judgment).
Has used systemic steroids for 7 or more consecutive days within 3 months (13 weeks) before screening.
Has taken immunosuppressive drugs including methotrexate or antimetabolites within 3 months (13 weeks) before screening.
Taking drugs that are substrates of the breast cancer resistant protein (BCRP) (e.g., rosuvastatin, sulfasalazine) at screening (however, can be eligible if switched to a different drug in the same class).
Has a history of alcohol or drug abuse within 2 years before screening or tests positive for substance abuse at screening (except for documented chronic pain treatment with prescribed medications approved by the investigator).
Has participated in another clinical trial or bioequivalence study within 6 months (26 weeks) before the first dose and received investigational medicinal products (except for placebo).
Has a history of hypersensitivity or allergic reactions to any components of the investigational medicinal product.
Has lactose intolerance.
Unwilling to use medically acceptable contraception during the clinical trial period and for 90 days after the last dose.
Unwilling to donate sperm/eggs during the trial or for 90 days after the last dose.
Deemed unsuitable for participation in the trial based on clinical laboratory results or other reasons determined by the investigator.
Primary purpose
Allocation
Interventional model
Masking
60 participants in 3 patient groups, including a placebo group
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Central trial contact
Jaejin Shin
Data sourced from clinicaltrials.gov
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