{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Osteoarthritis&page=3",
    "query": {
      "condition": "Chronic Osteoarthritis",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 166,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Osteoarthritis&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Osteoarthritis&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T00:58:39.354Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT00108771",
      "title": "Fentanyl Transdermal Matrix Patch ZR-02-01 to Treat Chronic, Moderate to Severe Osteoarthritis (OA) Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "ZR-02-01 Fentanyl Transdermal Matrix Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ZARS Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 202,
      "start_date": "2004-04",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2012-06-05",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 13,
      "location_summary": "Phoenix, Arizona • San Diego, California • Upland, California + 7 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00108771"
    },
    {
      "nct_id": "NCT06512727",
      "title": "The PROACTIVE Study for Black Elders",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Musculoskeletal Pain",
        "Chronic Pain",
        "Osteoarthritis",
        "Pain, Chronic",
        "Movement Evoked Pain"
      ],
      "interventions": [
        {
          "name": "PROACTIVE Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "92 Years",
        "sex": "ALL",
        "summary": "50 Years to 92 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-05-07",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06512727"
    },
    {
      "nct_id": "NCT04628013",
      "title": "Influence of Noxious Electrical Stimulation on Chronic Pain From Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Noxious Electrical Stimulation (NxES)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of New England",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 13,
      "start_date": "2021-08-02",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-21",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04628013"
    },
    {
      "nct_id": "NCT04148807",
      "title": "Effectiveness of a Walking Intervention on Impact Loading and Pain",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Knee Pain Chronic"
      ],
      "interventions": [
        {
          "name": "Progressive Walking with Gait Retraining",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Progressive Walking Program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northeastern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2019-11-05",
      "completion_date": "2023-03-30",
      "has_results": false,
      "last_update_posted_date": "2022-09-29",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04148807"
    },
    {
      "nct_id": "NCT05318521",
      "title": "RCT, Blinded, 2-Arm Efficacy Study of IP and Placebo in Patients With Chronic Pain Related to Osteoarthritis of the Knee",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Degenerative Arthritis"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen modified release tablet 800 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Overseas Pharmaceuticals, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2021-12-10",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-27",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 7,
      "location_summary": "Cerritos, California • Garden Grove, California • Santa Ana, California + 4 more",
      "locations": [
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05318521"
    },
    {
      "nct_id": "NCT07759336",
      "title": "Personalized Analgesia Through Central Nervous System Engagement to Unlock Performance",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Osteoarthritis (Knee OA)",
        "Chronic Pain",
        "Chronic Knee Pain"
      ],
      "interventions": [
        {
          "name": "Duloxetine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Benedict Alter",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "45 Years to 80 Years"
      },
      "enrollment_count": 85,
      "start_date": "2026-08",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07759336"
    },
    {
      "nct_id": "NCT00580294",
      "title": "A Pilot Study of Switching From One Pain Medication to Another (Opioid Rotation)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Oxymorphone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2007-11",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2016-02-03",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580294"
    },
    {
      "nct_id": "NCT06583395",
      "title": "Quest to Analyze One Thousand Humans Meditating",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyotrophic Lateral Sclerosis (ALS)",
        "Angina, Stable",
        "Anxiety",
        "Asthma",
        "Atrial Fibrillation",
        "Cancer Brain",
        "Cancer, Breast",
        "Cancer Colon",
        "Cancer, Lung",
        "Cancer, Ovarian",
        "Cancer Prostate",
        "Cancer Skin",
        "Throat Cancer",
        "Lymphoma",
        "Cancer, Thyroid",
        "Cancer, Other",
        "Cerebral Palsy",
        "Chronic Fatigue Syndrome",
        "Cluster Headache",
        "Chronic Obstructive Pulmonary Disease (COPD)",
        "Chronic Kidney Diseases",
        "Crohn Disease",
        "Deafness",
        "Depression",
        "Diabetes",
        "Eczema",
        "Epilepsy",
        "Fibroids",
        "Fibromyalgia",
        "Heart Failure",
        "Hypertension",
        "Hyperthyroidism",
        "Hypothyroidism",
        "Irritable Bowel Syndrome (IBS)",
        "Infertility",
        "Lyme Disease",
        "Macular Degeneration",
        "Migraine",
        "Multiple Allergies",
        "Multiple Sclerosis",
        "Osteoarthritis",
        "Osteoporosis",
        "Ovarian Cysts",
        "Parkinson Disease",
        "Phantom Limb Pain",
        "Psoriasis",
        "Post Traumatic Stress Disorder (PTSD)",
        "Rheumatoid Arthritis",
        "Sjogrens Disease",
        "Spinal Cord Injury",
        "Spinal Stenosis",
        "Stroke",
        "Tension Headache",
        "Tinnitus",
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Advanced multi-component meditation practice",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tobias Moeller-Bertram",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 3000,
      "start_date": "2021-12-05",
      "completion_date": "2025-03-25",
      "has_results": false,
      "last_update_posted_date": "2024-11-01",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 1,
      "location_summary": "Palm Desert, California",
      "locations": [
        {
          "city": "Palm Desert",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06583395"
    },
    {
      "nct_id": "NCT02697435",
      "title": "Making Better Lives: Patient-Focused Care for Low Back Pain (LBP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Low Back Pain",
        "Hip Ostearthritis",
        "Myofascial Pain Syndrome",
        "Fibromyalgia",
        "Depression",
        "Maladaptive Coping",
        "Lumbar Spinal Stenosis",
        "Insomnia",
        "Sacroiliac Joint Pain",
        "Lateral Hip and Thigh Pain",
        "Anxiety",
        "Dementia",
        "Recent Leg Length Discrepancy"
      ],
      "interventions": [
        {
          "name": "Patient-Centered Care",
          "type": "OTHER"
        },
        {
          "name": "Imaging-Directed Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "60 Years to 89 Years"
      },
      "enrollment_count": 55,
      "start_date": "2016-04-01",
      "completion_date": "2018-08-31",
      "has_results": true,
      "last_update_posted_date": "2019-08-19",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania • Richmond, Virginia",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02697435"
    },
    {
      "nct_id": "NCT05657587",
      "title": "Treatment of Shoulder Osteoarthritis",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Shoulder Pain"
      ],
      "interventions": [
        {
          "name": "SPRINT PNS",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Gramercy Pain Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2022-04-01",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-02-27",
      "last_synced_at": "2026-10-02T00:58:39.354Z",
      "location_count": 1,
      "location_summary": "Holmdel, New Jersey",
      "locations": [
        {
          "city": "Holmdel",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05657587"
    }
  ]
}