{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hamstring+Injury",
    "query": {
      "condition": "Hamstring Injury"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T06:23:20.643Z",
  "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": "NCT02263729",
      "title": "Phase 1/2 Prospective Double-Blind Placebo-Controlled Randomized Clinical Trial of Losartan to Treat Grade II & III Hamstring Strains",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Hamstring Injury"
      ],
      "interventions": [
        {
          "name": "Losartan",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "James J. Irrgang",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2016-08-10",
      "completion_date": "2022-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-05-02",
      "last_synced_at": "2026-06-27T06:23:20.643Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02263729"
    },
    {
      "nct_id": "NCT05343052",
      "title": "Hamstring Injury (HAMIR) Index",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hamstring Injury"
      ],
      "interventions": [
        {
          "name": "Patient Reported Outcomes Surveys",
          "type": "OTHER"
        },
        {
          "name": "Clinical Assessments",
          "type": "OTHER"
        },
        {
          "name": "Biomechanical and Neuromuscular Assessments",
          "type": "OTHER"
        },
        {
          "name": "Conventional MRI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 699,
      "start_date": "2022-04-25",
      "completion_date": "2025-06-05",
      "has_results": false,
      "last_update_posted_date": "2025-06-11",
      "last_synced_at": "2026-06-27T06:23:20.643Z",
      "location_count": 5,
      "location_summary": "Bloomington, Indiana • Notre Dame, Indiana • Chapel Hill, North Carolina + 2 more",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        },
        {
          "city": "Notre Dame",
          "state": "Indiana"
        },
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Provo",
          "state": "Utah"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05343052"
    },
    {
      "nct_id": "NCT02947633",
      "title": "Sciatic Technique Comparison of Nerve Blockade for Pain Control Following Hamstring Autograft Harvest in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anterior Cruciate Ligament (ACL) Tear"
      ],
      "interventions": [
        {
          "name": "Single-injection sciatic PNB",
          "type": "DRUG"
        },
        {
          "name": "Continuous sciatic PNB",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 141,
      "start_date": "2015-03",
      "completion_date": "2024-04",
      "has_results": true,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-06-27T06:23:20.643Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02947633"
    },
    {
      "nct_id": "NCT02045888",
      "title": "Safety and Feasibility of ADRCs (Adipose Derived Regenerative Cells) in Patients With Grade II Hamstring Tears",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Muscle Tear"
      ],
      "interventions": [
        {
          "name": "ADRCs prepared by investigational Celution Device",
          "type": "DEVICE"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BIOLOGICAL"
      ],
      "sponsor": "Cytori Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "20 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2014-01",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2014-11-21",
      "last_synced_at": "2026-06-27T06:23:20.643Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Houston, Texas",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02045888"
    },
    {
      "nct_id": "NCT05738200",
      "title": "Nordic Hamstring Exercise After ACL Reconstruction Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ACL Injury",
        "Muscle Weakness",
        "Neuromuscular Manifestations"
      ],
      "interventions": [
        {
          "name": "Nordic Hamstring Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Toledo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 23,
      "start_date": "2018-07-07",
      "completion_date": "2022-07-13",
      "has_results": false,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-06-27T06:23:20.643Z",
      "location_count": 1,
      "location_summary": "Toledo, Ohio",
      "locations": [
        {
          "city": "Toledo",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05738200"
    },
    {
      "nct_id": "NCT03248011",
      "title": "Hamstring Strain in High School Athletes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Strains Thigh"
      ],
      "interventions": [
        {
          "name": "Stretching",
          "type": "OTHER"
        },
        {
          "name": "Strengthening",
          "type": "OTHER"
        },
        {
          "name": "Neuromuscular",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "14 Years to 18 Years"
      },
      "enrollment_count": 196,
      "start_date": "2017-09-27",
      "completion_date": "2021-08-31",
      "has_results": false,
      "last_update_posted_date": "2021-10-04",
      "last_synced_at": "2026-06-27T06:23:20.643Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03248011"
    },
    {
      "nct_id": "NCT02075411",
      "title": "Opioid Use in Single Shot Nerve Block vs Continuous Peripheral Nerve Infusion in Anterior Cruciate Ligament (ACL) Repair",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Injury of Anterior Cruciate Ligament"
      ],
      "interventions": [
        {
          "name": "bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "continuous perineural infusion catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "14 Years to 18 Years"
      },
      "enrollment_count": 1,
      "start_date": "2014-03",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2016-05-18",
      "last_synced_at": "2026-06-27T06:23:20.643Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02075411"
    },
    {
      "nct_id": "NCT03044106",
      "title": "Cranial Laser Reflex Technique for Hamstring Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hamstring Injury",
        "Muscle Tone Increased",
        "Muscle Pain",
        "Muscle Weakness"
      ],
      "interventions": [
        {
          "name": "CLRT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 44,
      "start_date": "2017-03-04",
      "completion_date": "2017-07-31",
      "has_results": true,
      "last_update_posted_date": "2019-02-12",
      "last_synced_at": "2026-06-27T06:23:20.643Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03044106"
    }
  ]
}