{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Pain+Arthritis&page=2",
    "query": {
      "condition": "Knee Pain Arthritis",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Knee+Pain+Arthritis&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T09:20:49.865Z",
  "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": "NCT02473198",
      "title": "Femoral Nerve Block Compared to Exparel in Total Knee Replacement",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Femoral Nerve Block Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Toradol",
          "type": "DRUG"
        },
        {
          "name": "Morphine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The New England Baptist Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "73 Years",
        "sex": "ALL",
        "summary": "18 Years to 73 Years"
      },
      "enrollment_count": 312,
      "start_date": "2014-01",
      "completion_date": "2017-02",
      "has_results": false,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02473198"
    },
    {
      "nct_id": "NCT05698368",
      "title": "Digital Knee Osteoarthritis Mindset Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Mindset intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Active comparator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 458,
      "start_date": "2023-04-10",
      "completion_date": "2023-09-19",
      "has_results": true,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05698368"
    },
    {
      "nct_id": "NCT02192190",
      "title": "A Study of LY2951742 in Participants With Mild to Moderate Osteoarthritis Knee Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "LY2951742",
          "type": "DRUG"
        },
        {
          "name": "Placebo- oral",
          "type": "OTHER"
        },
        {
          "name": "Placebo - SC",
          "type": "OTHER"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": 268,
      "start_date": "2014-07",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2019-09-10",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 38,
      "location_summary": "Birmingham, Alabama • Anaheim, California • San Diego, California + 31 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02192190"
    },
    {
      "nct_id": "NCT02556710",
      "title": "A Study to Evaluate the Efficacy & Safety of an Intra-Articular Ampion Injection for Pain of Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "4 mL injection of AMPION™",
          "type": "BIOLOGICAL"
        },
        {
          "name": "4 mL injection of Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Ampio Pharmaceuticals. Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "40 Years to 85 Years"
      },
      "enrollment_count": 480,
      "start_date": "2015-09",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2022-08-09",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 1,
      "location_summary": "Englewood, Colorado",
      "locations": [
        {
          "city": "Englewood",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02556710"
    },
    {
      "nct_id": "NCT01207115",
      "title": "A Study of ABT-652 in Adults With Osteoarthritis Pain of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "ABT-652",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Naproxen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "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": 322,
      "start_date": "2010-09",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2013-01-07",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 23,
      "location_summary": "Chandler, Arizona • Tempe, Arizona • Tucson, Arizona + 20 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01207115"
    },
    {
      "nct_id": "NCT04809376",
      "title": "Treatment Effects of Subcutaneous Injections of Pentosan Polysulfate Sodium vs Placebo in Participants With Knee OA Pain",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "Pentosan Polysulfate Sodium twice weekly",
          "type": "DRUG"
        },
        {
          "name": "Placebo (Sodium Chloride Injection, 0.9%)",
          "type": "DRUG"
        },
        {
          "name": "Pentosan Polysulfate Sodium Fixed Dose",
          "type": "DRUG"
        },
        {
          "name": "Pentosan Polysulfate Sodium once weekly",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Paradigm Biopharmaceuticals USA (INC)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 602,
      "start_date": "2021-10-19",
      "completion_date": "2025-01-06",
      "has_results": false,
      "last_update_posted_date": "2024-04-08",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 29,
      "location_summary": "Tempe, Arizona • Tucson, Arizona • Cerritos, California + 20 more",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Cerritos",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04809376"
    },
    {
      "nct_id": "NCT00126737",
      "title": "Home-Based Exercise and Weight Control Program for Pain Control in Overweight Elderly With Osteoarthritis of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Diseases",
        "Obesity",
        "Osteoarthritis",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Weight Control Nutritional Program",
          "type": "OTHER"
        },
        {
          "name": "Home-based exercise program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2002-10",
      "completion_date": "2008-12",
      "has_results": true,
      "last_update_posted_date": "2015-01-01",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 1,
      "location_summary": "Hines, Illinois",
      "locations": [
        {
          "city": "Hines",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00126737"
    },
    {
      "nct_id": "NCT05787821",
      "title": "Persona OsseoTi Keel Compatibility Study (Total Knee Arthroplasty)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Knee Pain Chronic",
        "Osteoarthritis, Knee",
        "Rheumatoid Arthritis",
        "Traumatic Arthritis",
        "Polyarthritis",
        "Varus Deformity",
        "Valgus Deformity",
        "Flexion Deformity of Knee",
        "Avascular Necrosis"
      ],
      "interventions": [
        {
          "name": "Total Knee Arthroplasty",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zimmer Biomet",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 760,
      "start_date": "2023-06-28",
      "completion_date": "2035-06",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 16,
      "location_summary": "Parker, Colorado • Tampa, Florida • Atlanta, Georgia + 13 more",
      "locations": [
        {
          "city": "Parker",
          "state": "Colorado"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05787821"
    },
    {
      "nct_id": "NCT01444365",
      "title": "A Study of ABT-652 in Combination With a Nonsteroidal Anti-Inflammatory Drug (NSAID) in Adults With Osteoarthritis Pain of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis of the Knee"
      ],
      "interventions": [
        {
          "name": "ABT-652 NSAID",
          "type": "DRUG"
        },
        {
          "name": "Placebo NSAID",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "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": "2011-10",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2013-05-15",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 31,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Anaheim, California + 27 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01444365"
    },
    {
      "nct_id": "NCT04238143",
      "title": "Adipose-Derived Biocellular Regenerative Therapy for Osteoarthritis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Osteo Arthritis Knee",
        "Osteo Arthritis Shoulders",
        "Osteoarthritis of Multiple Joints",
        "Osteoarthritis, Hip",
        "Osteoarthritis - Ankle/Foot"
      ],
      "interventions": [
        {
          "name": "Tissue Stromal Vascular Fraction (tSVF) Arm 1",
          "type": "PROCEDURE"
        },
        {
          "name": "PRP Concentrate Arm 1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tissue Stromal Vascular Fraction (tSVF) Arm 2",
          "type": "PROCEDURE"
        },
        {
          "name": "PRP Concentrate Arm 2",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cellular Stromal Vascular Fraction (cSVF) Arm 2",
          "type": "PROCEDURE"
        },
        {
          "name": "Cellular Stromal Vascular Fraction (cSVF) Arm 3",
          "type": "PROCEDURE"
        },
        {
          "name": "Sterile Normal Saline (IV Solution)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Healeon Medical Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-01-10",
      "completion_date": "2027-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-07-23T09:20:49.865Z",
      "location_count": 2,
      "location_summary": "Valencia, California • Stevensville, Montana",
      "locations": [
        {
          "city": "Valencia",
          "state": "California"
        },
        {
          "city": "Stevensville",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04238143"
    }
  ]
}