{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis+of+the+Hip+or+Knee",
    "query": {
      "condition": "Osteoarthritis of the Hip or Knee"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 45,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Osteoarthritis+of+the+Hip+or+Knee&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-11T09:25:05.081Z",
  "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": "NCT02944448",
      "title": "A Study Evaluating Pain Relief and Safety of Orally Administered CR845 in Patients With Osteoarthritis of Hip or Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Hip",
        "Osteoarthritis, Knee",
        "Arthritis",
        "Joint Diseases",
        "Musculoskeletal Diseases",
        "Rheumatic Diseases"
      ],
      "interventions": [
        {
          "name": "CR845 tablet 1 mg",
          "type": "DRUG"
        },
        {
          "name": "CR845 tablet 2.5 mg",
          "type": "DRUG"
        },
        {
          "name": "CR845 tablet 5 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cara Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "25 Years and older"
      },
      "enrollment_count": 761,
      "start_date": "2016-09",
      "completion_date": "2017-06",
      "has_results": true,
      "last_update_posted_date": "2020-10-20",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 35,
      "location_summary": "Birmingham, Alabama • Peoria, Arizona • Phoenix, Arizona + 29 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02944448"
    },
    {
      "nct_id": "NCT03711773",
      "title": "Outcomes of Low-Impact Exercise Program for People With Ankle, Knee, and/or Hip Pain",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Osteoarthritis, Knee",
        "Osteoarthritis, Hip",
        "Osteoarthritis Ankle"
      ],
      "interventions": [
        {
          "name": "Group Physical Therapy Classes",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2018-11-01",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-02",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03711773"
    },
    {
      "nct_id": "NCT03691974",
      "title": "Study to Evaluate the Effects of Fasinumab on Peripheral Nerve Function in Patients With Pain Due to Osteoarthritis of the Hip or Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Osteoarthritis, Hip"
      ],
      "interventions": [
        {
          "name": "Fasinumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 180,
      "start_date": "2018-10-15",
      "completion_date": "2021-01-07",
      "has_results": true,
      "last_update_posted_date": "2023-03-01",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 21,
      "location_summary": "Glendale, Arizona • Phoenix, Arizona • Tucson, Arizona + 15 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03691974"
    },
    {
      "nct_id": "NCT00973141",
      "title": "A Dose-ranging Study of the Safety and Effectiveness of JNJ-42160443 as add-on Treatment in Patients With Osteoarthritis-related Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis",
        "Osteoarthritis, Hip",
        "Osteoarthritis, Knee",
        "Pain",
        "Arthralgia",
        "Joint Pain"
      ],
      "interventions": [
        {
          "name": "JNJ-42160443",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 467,
      "start_date": "2009-09-16",
      "completion_date": "2011-06-30",
      "has_results": false,
      "last_update_posted_date": "2020-03-11",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 52,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 49 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Carmichael",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00973141"
    },
    {
      "nct_id": "NCT00325858",
      "title": "A Study Comparing the Effectiveness and Safety of Varying Dose Strengths (100, 200, 300 and 400 mg) of Extended-release Tramadol HCl With Placebo for the Treatment of Osteoarthritis(OA) of the Knee and/or Hip",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Tramadol HCl ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2002-01",
      "completion_date": "2003-12",
      "has_results": false,
      "last_update_posted_date": "2012-08-27",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 1,
      "location_summary": "Duncansville, Pennsylvania",
      "locations": [
        {
          "city": "Duncansville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00325858"
    },
    {
      "nct_id": "NCT01631513",
      "title": "An Open-label Evaluation of Tapentadol Extended Release (ER) in Participants With Moderate to Severe Chronic Pain After Conversion From Hydrocodone, Oxycodone Controlled Release (CR), and/or Morphine Sustained Release (SR)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain",
        "Chronic Back Pain",
        "Chronic Low Back Pain",
        "Osteoarthritis Pain In The Hip or Knee"
      ],
      "interventions": [
        {
          "name": "Nucynta ER",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Scientific Affairs, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 0,
      "start_date": "2012-08",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2018-01-25",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 7,
      "location_summary": "Jacksonville, Florida • Prairie Village, Kansas • Mandeville, Louisiana + 4 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Prairie Village",
          "state": "Kansas"
        },
        {
          "city": "Mandeville",
          "state": "Louisiana"
        },
        {
          "city": "Metairie",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01631513"
    },
    {
      "nct_id": "NCT02683239",
      "title": "Long-Term Safety and Efficacy Study of Fasinumab in Patients With Pain Due to Osteoarthritis (OA) of the Knee or Hip",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee or Hip"
      ],
      "interventions": [
        {
          "name": "Fasinumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5331,
      "start_date": "2016-02-17",
      "completion_date": "2021-06-15",
      "has_results": true,
      "last_update_posted_date": "2023-10-13",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 50,
      "location_summary": "Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 44 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02683239"
    },
    {
      "nct_id": "NCT03161093",
      "title": "A Study to Determine the Safety and the Efficacy of Fasinumab Compared to Placebo and Naproxen for Treatment of Adults With Pain From Osteoarthritis of the Knee or Hip",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Osteoarthritis, Hip"
      ],
      "interventions": [
        {
          "name": "Fasinumab",
          "type": "DRUG"
        },
        {
          "name": "Naproxen",
          "type": "DRUG"
        },
        {
          "name": "Fasinumab-matching placebo",
          "type": "DRUG"
        },
        {
          "name": "Naproxen-matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Regeneron Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3307,
      "start_date": "2017-08-17",
      "completion_date": "2021-08-27",
      "has_results": true,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 58,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Tucson, Arizona + 50 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Covina",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03161093"
    },
    {
      "nct_id": "NCT01722864",
      "title": "Open Label Safety and Tolerability Study of COV155 in Subjects With Osteoarthritis (OA) or Chronic Low Back Pain (CLBP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Osteoarthritis, Hip",
        "Chronic Low Back Pain"
      ],
      "interventions": [
        {
          "name": "COV155",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mallinckrodt",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 153,
      "start_date": "2012-11",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2016-10-19",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 34,
      "location_summary": "Anaheim, California • Lomita, California • Santa Ana, California + 24 more",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Lomita",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01722864"
    },
    {
      "nct_id": "NCT00960804",
      "title": "Long-Term Study Of The Safety Of Tanezumab In Arthritis Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Tanezumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 21,
      "start_date": "2010-02-15",
      "completion_date": "2010-11-11",
      "has_results": true,
      "last_update_posted_date": "2021-02-08",
      "last_synced_at": "2026-06-11T09:25:05.081Z",
      "location_count": 18,
      "location_summary": "Atlantis, Florida • Fort Myers, Florida • South Miami, Florida + 6 more",
      "locations": [
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Atlantis",
          "state": "Florida"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "Fort Myers",
          "state": "Florida"
        },
        {
          "city": "South Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00960804"
    }
  ]
}