{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cartilage+Defects+of+the+Knee",
    "query": {
      "condition": "Cartilage Defects of the Knee"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 23,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cartilage+Defects+of+the+Knee&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T07:35:40.795Z",
  "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": "NCT02203071",
      "title": "Comparison of BioCartilage Versus Marrow Stimulating Procedure for Cartilage Defects of the Knee",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Defect of Articular Cartilage"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 25,
      "start_date": "2014-06",
      "completion_date": "2018-09",
      "has_results": true,
      "last_update_posted_date": "2020-03-16",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02203071"
    },
    {
      "nct_id": "NCT03873545",
      "title": "Prospective Evaluation of ProChondrix CR for Repair of Articular Cartilage Defects on Femoral Condyle and Patella",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cartilage Injury",
        "Cartilage Damage"
      ],
      "interventions": [
        {
          "name": "Cryopreserved Osteochondral Allograft",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "AlloSource",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 34,
      "start_date": "2019-03-18",
      "completion_date": "2028-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Lexington, Kentucky • Cincinnati, Ohio",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03873545"
    },
    {
      "nct_id": "NCT03299959",
      "title": "Agili-C™ Implant Performance Evaluation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cartilage or Osteochondral Defects in the Knee",
        "Up to Moderate Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Agili-C implant",
          "type": "DEVICE"
        },
        {
          "name": "SSOC",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Smith & Nephew, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 251,
      "start_date": "2017-09-25",
      "completion_date": "2024-11-14",
      "has_results": true,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 11,
      "location_summary": "San Diego, California • New Orleans, Louisiana • Salisbury, Maryland + 7 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Salisbury",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03299959"
    },
    {
      "nct_id": "NCT03588975",
      "title": "A Study of MACI in Patients Aged 10 to 17 Years With Symptomatic Chondral or Osteochondral Defects of the Knee",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chondral Defect",
        "Osteochondritis Dissecans (OCD)",
        "Articular Cartilage Defect",
        "Articular Cartilage Disorder of Knee"
      ],
      "interventions": [
        {
          "name": "MACI",
          "type": "BIOLOGICAL"
        },
        {
          "name": "microfracture",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE"
      ],
      "sponsor": "Vericel Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 45,
      "start_date": "2018-10-24",
      "completion_date": "2030-02",
      "has_results": false,
      "last_update_posted_date": "2026-06-24",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 12,
      "location_summary": "Palo Alto, California • Sacramento, California • New Orleans, Louisiana + 7 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03588975"
    },
    {
      "nct_id": "NCT00984594",
      "title": "Evaluation of a Composite Cancellous and Demineralized Bone Plug (CR-Plug) for Repair of Knee Osteochondral Defects",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Knee Injury"
      ],
      "interventions": [
        {
          "name": "Primary injury site",
          "type": "OTHER"
        },
        {
          "name": "Backfill site",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "RTI Surgical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 4,
      "start_date": "2009-01",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2014-06-04",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00984594"
    },
    {
      "nct_id": "NCT01957722",
      "title": "NOVOCART®3D for Treatment of Articular Cartilage of the Knee",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Articular Cartilage of the Femoral Condyle Between 2-6cm2"
      ],
      "interventions": [
        {
          "name": "Microfracture",
          "type": "PROCEDURE"
        },
        {
          "name": "NOVOCART 3D",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Aesculap Biologics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 233,
      "start_date": "2013-12",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 30,
      "location_summary": "La Mesa, California • Los Angeles, California • Redwood City, California + 26 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Steamboat Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01957722"
    },
    {
      "nct_id": "NCT01410136",
      "title": "Chondrofix Osteochondral Allograft Prospective Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Articular Cartilage Disorder",
        "Degeneration; Articular Cartilage",
        "Chronic Cartilage Injury",
        "Acute Cartilage Injury",
        "Defect of Articular Cartilage"
      ],
      "interventions": [
        {
          "name": "Chondrofix Osteochondral Allograft",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Zimmer Orthobiologics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 29,
      "start_date": "2011-04",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-08-11",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 5,
      "location_summary": "Cos Cob, Connecticut • New Haven, Connecticut • Greenwood, Indiana + 2 more",
      "locations": [
        {
          "city": "Cos Cob",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Greenwood",
          "state": "Indiana"
        },
        {
          "city": "Chestnut Hill",
          "state": "Massachusetts"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01410136"
    },
    {
      "nct_id": "NCT04118023",
      "title": "7T MRI to Evaluate Cartilage Defects in the Knee",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cartilage Injury",
        "Knee Injuries",
        "Arthropathy of Knee",
        "Cartilage Damage",
        "Knee Pain Swelling"
      ],
      "interventions": [
        {
          "name": "7 Tesla Magnetic Resonance Imaging Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2019-10-07",
      "completion_date": "2022-09-07",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04118023"
    },
    {
      "nct_id": "NCT01329445",
      "title": "DeNovo NT Longitudinal Data Collection (LDC) Knee Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Degenerative Lesion of Articular Cartilage of Knee",
        "Osteochondritis Dissecans"
      ],
      "interventions": [
        {
          "name": "DeNovo NT, Natural Tissue Graft",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Zimmer Orthobiologics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2011-02",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-26",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 15,
      "location_summary": "Huntsville, Alabama • San Diego, California • Aurora, Colorado + 12 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01329445"
    },
    {
      "nct_id": "NCT03262909",
      "title": "Pivotal Study to Evaluate the Safety and Efficacy of GelrinC for Treatment of Cartilage Defects",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Articular Cartilage Defects in the Knee Joint"
      ],
      "interventions": [
        {
          "name": "GelrinC",
          "type": "DEVICE"
        },
        {
          "name": "Microfracture historical control arm",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Regentis Biomaterials",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 181,
      "start_date": "2017-11-14",
      "completion_date": "2024-11",
      "has_results": false,
      "last_update_posted_date": "2022-03-22",
      "last_synced_at": "2026-06-26T07:35:40.795Z",
      "location_count": 13,
      "location_summary": "La Mesa, California • Orange, California • Denver, Colorado + 10 more",
      "locations": [
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Gulf Breeze",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03262909"
    }
  ]
}