{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Hamstring+Injuries",
    "query": {
      "condition": "Hamstring Injuries"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T03:57:01.107Z",
  "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": "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": "2026-07-23T03:57:01.107Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02075411"
    },
    {
      "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": "2026-07-23T03:57:01.107Z",
      "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": "2026-07-23T03:57:01.107Z",
      "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": "NCT07721220",
      "title": "Acute Effects of Neurodynamics on Strength and Endurance in Athletes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sciatic Leg Pain",
        "Hamstring Muscle Tightness",
        "Hamstring Muscle Strain",
        "Hamstring Muscle Strength",
        "Hamstring Injuries",
        "Hamstring Injury Prevention",
        "Hamstring Rupture",
        "Sciatic Nerve Injury",
        "Sciatic Radiculopathy",
        "Lumbar Disc Herniation With Radiculopathy",
        "Lumbar Disc Herniation"
      ],
      "interventions": [
        {
          "name": "Sciatic Slider",
          "type": "OTHER"
        },
        {
          "name": "Sciatic Tensioner",
          "type": "OTHER"
        },
        {
          "name": "Mechanically loaded neurodynamic sciatic floss",
          "type": "OTHER"
        },
        {
          "name": "Elastic Resistance Band",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "High Point University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 45,
      "start_date": "2026-06-15",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-07-23T03:57:01.107Z",
      "location_count": 1,
      "location_summary": "High Point, North Carolina",
      "locations": [
        {
          "city": "High Point",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07721220"
    },
    {
      "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": "2026-07-23T03:57:01.107Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03044106"
    },
    {
      "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": "2026-07-23T03:57:01.107Z",
      "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": "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": "2026-07-23T03:57:01.107Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02947633"
    },
    {
      "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": "2026-07-23T03:57:01.107Z",
      "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": "2026-07-23T03:57:01.107Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03248011"
    }
  ]
}