{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Aspiration",
    "query": {
      "intervention": "Knee Aspiration"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Knee+Aspiration&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T02:03:30.788Z",
  "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": "NCT01931007",
      "title": "Use of Autologous Bone Marrow Aspirate Concentrate in Painful Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Bilateral Primary Osteoarthritis of Knee"
      ],
      "interventions": [
        {
          "name": "Autologous Bone Marrow Aspirate Concentrate",
          "type": "DRUG"
        },
        {
          "name": "Sterile saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 25,
      "start_date": "2013-08",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2017-05-05",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01931007"
    },
    {
      "nct_id": "NCT02453360",
      "title": "Adductor Canal Block for Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Adductor Canal Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Adductor Canal Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2015-05",
      "completion_date": "2017-07",
      "has_results": true,
      "last_update_posted_date": "2019-08-08",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02453360"
    },
    {
      "nct_id": "NCT04739930",
      "title": "Autologous Bone Marrow Concentrate in Knee Osteochondral Allograft Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cartilage Injury"
      ],
      "interventions": [
        {
          "name": "Autologous bone marrow aspirate will be harvested and concentrated to a bone marrow aspirate concentrate (BMAC) containing bone marrow derived mesenchymal stem cells and delivered to site of operation",
          "type": "PROCEDURE"
        },
        {
          "name": "Control group incision",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 33,
      "start_date": "2018-03-02",
      "completion_date": "2023-01-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-13",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04739930"
    },
    {
      "nct_id": "NCT04595890",
      "title": "Knee Injections for the Clinical Management of Knee OsteoArthritis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Arthrex Angel System used to prepare injection of Bone Marrow Concentrate (BMC)",
          "type": "DEVICE"
        },
        {
          "name": "Saline injection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of Delaware",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "40 Years to 79 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-09-01",
      "completion_date": "2024-09-01",
      "has_results": false,
      "last_update_posted_date": "2023-10-02",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Newark, Delaware",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04595890"
    },
    {
      "nct_id": "NCT02218814",
      "title": "Study to Evaluate ACB Versus FNB Early Postoperative Period Functional Outcomes After TKA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Nerve Block"
      ],
      "interventions": [
        {
          "name": "Adductor Canal Block, Bupivacaine",
          "type": "PROCEDURE"
        },
        {
          "name": "Femoral Nerve Block, Bupivacaine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "George Macrinici",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 106,
      "start_date": "2014-08",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-02",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Joliet, Illinois",
      "locations": [
        {
          "city": "Joliet",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02218814"
    },
    {
      "nct_id": "NCT03130335",
      "title": "Intra-articular Autologous Bone Marrow Aspirate Injection for Knee Osteoarthritis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee"
      ],
      "interventions": [
        {
          "name": "BMA Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "BMA",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 13,
      "start_date": "2017-04-28",
      "completion_date": "2019-10-01",
      "has_results": false,
      "last_update_posted_date": "2020-01-14",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03130335"
    },
    {
      "nct_id": "NCT04088227",
      "title": "Effects of Platelet Rich Plasma Injections on Biomarkers After Anterior Cruciate Ligament Tears",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anterior Cruciate Ligament Tear",
        "Anterior Cruciate Ligament Rupture"
      ],
      "interventions": [
        {
          "name": "Experimental Group",
          "type": "DRUG"
        },
        {
          "name": "Control Group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Andrews Research & Education Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "14 Years to 40 Years"
      },
      "enrollment_count": 24,
      "start_date": "2019-09-12",
      "completion_date": "2023-04-21",
      "has_results": true,
      "last_update_posted_date": "2025-02-17",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Gulf Breeze, Florida",
      "locations": [
        {
          "city": "Gulf Breeze",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04088227"
    },
    {
      "nct_id": "NCT07909928",
      "title": "Biologic Augmentation of Osteochondral Allograft Transplantation in the Knee",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteochondral Defect",
        "Articular Cartilage Defect"
      ],
      "interventions": [
        {
          "name": "Biologically Augmented Osteochondral Allograft Transplantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2026-11-20",
      "completion_date": "2028-07-20",
      "has_results": false,
      "last_update_posted_date": "2026-11-02",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07909928"
    },
    {
      "nct_id": "NCT04351087",
      "title": "Microfragmented Adipose Tissue Versus Platelet-rich Plasma for Knee Osteoarthritis: a Randomized Comparative Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis, Knee",
        "Microfragmented Adipose Tissue",
        "Platelet-Rich Plasma"
      ],
      "interventions": [
        {
          "name": "Platelet Rich Plasma",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "25 Years to 75 Years"
      },
      "enrollment_count": 79,
      "start_date": "2020-03-03",
      "completion_date": "2022-07-05",
      "has_results": true,
      "last_update_posted_date": "2024-08-09",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04351087"
    },
    {
      "nct_id": "NCT06122116",
      "title": "Investigating Orthobiologics After PRP and Photobiomodulation for Knee Osteoarthritis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Physical Therapy",
          "type": "OTHER"
        },
        {
          "name": "Platelet-Rich Plasma Injection",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Photobiomodulation Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "Musculoskeletal Injury Rehabilitation Research for Operational Readiness",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 33,
      "start_date": "2023-10-13",
      "completion_date": "2024-10-10",
      "has_results": false,
      "last_update_posted_date": "2024-11-08",
      "last_synced_at": "2026-11-15T02:03:30.788Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06122116"
    }
  ]
}