{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=D-methionine",
    "query": {
      "intervention": "D-methionine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T14:57:34.090Z",
  "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": "NCT00877812",
      "title": "Vitamin B6 Dependence of One-Carbon Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin B6 Deficiency"
      ],
      "interventions": [
        {
          "name": "Arm 1 glycine and leucine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Arm 2 Intervention of Serine and methionine infusion",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "20 Years to 40 Years"
      },
      "enrollment_count": 45,
      "start_date": "2008-01",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2013-03-27",
      "last_synced_at": "2026-09-10T14:57:34.090Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00877812"
    },
    {
      "nct_id": "NCT01871766",
      "title": "Risk-Adapted Focal Proton Beam Radiation and/or Surgery in Patients With Low, Intermediate and High Risk Rhabdomyosarcoma Receiving Standard or Intensified Chemotherapy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rhabdomyosarcoma"
      ],
      "interventions": [
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Dactinomycin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Surgical Resection",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation",
          "type": "PROCEDURE"
        },
        {
          "name": "Bevacizumab",
          "type": "DRUG"
        },
        {
          "name": "Sorafenib",
          "type": "DRUG"
        },
        {
          "name": "Myeloid Growth Factor",
          "type": "DRUG"
        },
        {
          "name": "Lymph Node Sampling",
          "type": "PROCEDURE"
        },
        {
          "name": "Irinotecan",
          "type": "DRUG"
        },
        {
          "name": "Ifosfamide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Etoposide Phosphate",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Dexrazoxane",
          "type": "DRUG"
        },
        {
          "name": "^1^1C-methionine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 115,
      "start_date": "2013-12-04",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-17",
      "last_synced_at": "2026-09-10T14:57:34.090Z",
      "location_count": 4,
      "location_summary": "Jacksonville, Florida • Memphis, Tennessee • Fort Worth, Texas",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01871766"
    },
    {
      "nct_id": "NCT02903355",
      "title": "Phase 3 Clinical Trial: D-methionine to Reduce Noise-Induced Hearing Loss (NIHL)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Noise-induced Hearing Loss"
      ],
      "interventions": [
        {
          "name": "D-methionine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Southern Illinois University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 351,
      "start_date": "2013-09",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2022-06-28",
      "last_synced_at": "2026-09-10T14:57:34.090Z",
      "location_count": 1,
      "location_summary": "Fort Jackson, South Carolina",
      "locations": [
        {
          "city": "Fort Jackson",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02903355"
    },
    {
      "nct_id": "NCT00002981",
      "title": "PET Scan in Treating Patients With Metastatic Prostate Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "positron emission tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "fludeoxyglucose F 18",
          "type": "RADIATION"
        },
        {
          "name": "methionine C 11",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "120 Years",
        "sex": "MALE",
        "summary": "0 Years to 120 Years · Male only"
      },
      "enrollment_count": 173,
      "start_date": "1997-01",
      "completion_date": "2023-06-12",
      "has_results": true,
      "last_update_posted_date": "2024-06-03",
      "last_synced_at": "2026-09-10T14:57:34.090Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00002981"
    }
  ]
}