{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Anterior+Knee+Pain&page=2",
    "query": {
      "condition": "Anterior Knee Pain",
      "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=Anterior+Knee+Pain&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-07T13:35:28.673Z",
  "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": "NCT01862731",
      "title": "Muscle Strength Loss and Its Effect on Knee Cap Motion in Volunteers With Anterior Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Patellofemoral Pain Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 35,
      "start_date": "2013-05-31",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01862731"
    },
    {
      "nct_id": "NCT00978003",
      "title": "Vasti Control of Patellofemoral Kinematics in Asymptomatic Volunteer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Abnormalities",
        "Patellofemoral Pain Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 28,
      "start_date": "2009-10-22",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00978003"
    },
    {
      "nct_id": "NCT07065266",
      "title": "Does the Use of a Simplified Pain Questionnaire Impact Opioid Consumption Among People Receiving Anterior Cruciate Ligament (ACL) Knee Surgery?",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anterior Cruciate Ligament (ACL) Reconstruction",
        "Anterior Cruciate Ligament/Surgery"
      ],
      "interventions": [
        {
          "name": "Binary pain questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Numerical Pain Rating Scale (NPRS)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2020-07-24",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2025-07-15",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07065266"
    },
    {
      "nct_id": "NCT03225014",
      "title": "Adolescent Anterior Knee Pain: ARP Wave Therapy vs. Physical Therapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Pain Chronic"
      ],
      "interventions": [
        {
          "name": "Accelerated Recovery Performance Wave Therapy",
          "type": "DEVICE"
        },
        {
          "name": "Physical therapy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Rady Children's Hospital, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-01-09",
      "completion_date": "2022-08-30",
      "has_results": false,
      "last_update_posted_date": "2021-02-04",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03225014"
    },
    {
      "nct_id": "NCT04533880",
      "title": "The Effect of Bone-void Filler on Anterior Knee Pain Following ACL Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ACL"
      ],
      "interventions": [
        {
          "name": "DBM",
          "type": "DEVICE"
        },
        {
          "name": "Calcium phosphate cement",
          "type": "DEVICE"
        },
        {
          "name": "Autologous bone graft",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2020-08-31",
      "completion_date": "2023-07-07",
      "has_results": true,
      "last_update_posted_date": "2024-08-13",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04533880"
    },
    {
      "nct_id": "NCT01375231",
      "title": "Anatomic Reconstruction of the Patellofemoral Joint",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Knee Replacement Surgery"
      ],
      "interventions": [
        {
          "name": "Measured Resection of patellofemoral joint",
          "type": "PROCEDURE"
        },
        {
          "name": "Measured resection of patella",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "OrthoCarolina Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 52,
      "start_date": "2011-06",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2014-06-30",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01375231"
    },
    {
      "nct_id": "NCT03101956",
      "title": "Lumbar Manipulation for Hip and Muscle Strength",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patellofemoral Pain Syndrome",
        "Anterior Knee Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Lumbar Spine Manipulation",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Spine Manipulation Placebo",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 42,
      "start_date": "2017-03-01",
      "completion_date": "2019-06-21",
      "has_results": false,
      "last_update_posted_date": "2020-11-03",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03101956"
    },
    {
      "nct_id": "NCT01696162",
      "title": "Conventional Home Exercise Programs Versus Electronic Home Exercise Versus Artificial Intelligence \"Virtual Therapy\" for Anterior Knee Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patellofemoral Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Algorithm based Exercise Videos",
          "type": "OTHER"
        },
        {
          "name": "PDF Exercise Sheets",
          "type": "OTHER"
        },
        {
          "name": "Limited Exercise Videos",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Simpletherapy",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 85,
      "start_date": "2012-09",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2014-06-17",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01696162"
    },
    {
      "nct_id": "NCT04752501",
      "title": "Maladaptive Psychosocial Beliefs and Adolescents With Patellofemoral Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patellofemoral Pain Syndrome",
        "Knee Pain Chronic",
        "Patellofemoral Syndrome",
        "Anterior Knee Pain Syndrome"
      ],
      "interventions": [
        {
          "name": "Psychologically Informed Education",
          "type": "OTHER"
        },
        {
          "name": "Biomedical Education (Control)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 68,
      "start_date": "2021-03-08",
      "completion_date": "2022-08-10",
      "has_results": false,
      "last_update_posted_date": "2023-04-03",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04752501"
    },
    {
      "nct_id": "NCT01919658",
      "title": "Effects of Femoral vs Saphenous Nerve Blocks on Function After ACL Repair",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anterior Cruciate Ligament"
      ],
      "interventions": [
        {
          "name": "nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Robert A. Gallo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2013-07",
      "completion_date": "2019-06-10",
      "has_results": false,
      "last_update_posted_date": "2019-06-21",
      "last_synced_at": "2026-06-07T13:35:28.673Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01919658"
    }
  ]
}