{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis+Pain&page=4",
    "query": {
      "condition": "Osteoarthritis Pain",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 633,
    "total_pages": 64,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis+Pain&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis+Pain&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T17:50:51.280Z",
  "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": "NCT02664896",
      "title": "Pain Phenotypes in Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis, Knee",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Knee Osteoarthritis",
          "type": "OTHER"
        },
        {
          "name": "Healthy Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 187,
      "start_date": "2013-04",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-06-16",
      "last_synced_at": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02664896"
    },
    {
      "nct_id": "NCT05103527",
      "title": "Dorsal Root Ganglion Stimulation for the Treatment of Arthritic Knee Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Knee Pain Chronic",
        "Knee Arthritis",
        "Knee Arthropathy"
      ],
      "interventions": [
        {
          "name": "Dorsal Root Ganglion Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kenneth B Chapman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-01-01",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2025-10-21",
      "last_synced_at": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05103527"
    },
    {
      "nct_id": "NCT01939262",
      "title": "The Impact of Dietary Restriction of Animal Protein and Fat on Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Limitation of Animal Fat and Protein in the Diet",
          "type": "OTHER"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Essentia Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 40,
      "start_date": "2010-12",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2013-09-20",
      "last_synced_at": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "Traverse City, Michigan",
      "locations": [
        {
          "city": "Traverse City",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01939262"
    },
    {
      "nct_id": "NCT04046003",
      "title": "Tai Chi for Knee OA Pain Management: a Mechanistic Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Mind-body Exercise"
      ],
      "interventions": [
        {
          "name": "Tai chi exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Texas Tech University Health Sciences Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 33,
      "start_date": "2019-09-01",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-28",
      "last_synced_at": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "Lubbock, Texas",
      "locations": [
        {
          "city": "Lubbock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04046003"
    },
    {
      "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": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "Palm Desert, California",
      "locations": [
        {
          "city": "Palm Desert",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06583395"
    },
    {
      "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": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04628013"
    },
    {
      "nct_id": "NCT03090672",
      "title": "Cellular & Biocellular Regenerative Therapy in Musculoskeletal Pain, Dysfunction,Degenerative or Inflammatory Disease",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Rheumatoid Nodule",
        "Degenerative Joint Disease",
        "Tendinopathy",
        "Tendinosis",
        "Back Pain"
      ],
      "interventions": [
        {
          "name": "Normal Saline",
          "type": "DRUG"
        },
        {
          "name": "Tissue Stromal Vascular Fraction",
          "type": "PROCEDURE"
        },
        {
          "name": "Platelet Rich Plasma",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cellular Stromal Vascular Fraction",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Robert W Alexander, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 300,
      "start_date": "2017-03-11",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "North Attleboro, Massachusetts",
      "locations": [
        {
          "city": "North Attleboro",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03090672"
    },
    {
      "nct_id": "NCT00904319",
      "title": "Aquatic Power Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Aquatic Power Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Iowa",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2009-04",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2010-06-25",
      "last_synced_at": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00904319"
    },
    {
      "nct_id": "NCT03913442",
      "title": "Colchicine for the Treatment of Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Osteoarthritis",
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Colchicine 0.8 mg or 0.6 mg orally once daily",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-05-15",
      "completion_date": "2024-01-11",
      "has_results": true,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-10-11T17:50:51.280Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03913442"
    },
    {
      "nct_id": "NCT00689273",
      "title": "Randomized, Double-Blind, Placebo-Controlled, Phase 2 Study In Subjects With Osteoarthritic Pain Of The Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "PF-04136309",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 159,
      "start_date": "2008-08-05",
      "completion_date": "2008-11-27",
      "has_results": true,
      "last_update_posted_date": "2021-07-13",
      "last_synced_at": "2026-10-11T17:50:51.280Z",
      "location_count": 18,
      "location_summary": "DeLand, Florida • South Miami, Florida • Overland Park, Kansas + 10 more",
      "locations": [
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00689273"
    }
  ]
}