{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=N-13+ammonia",
    "query": {
      "intervention": "N-13 ammonia"
    },
    "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": "2026-09-17T04:03:42.976Z",
  "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": "NCT03170817",
      "title": "Quantitative 13N-Ammonia Cardiac Rest/Stress Digital PET/CT",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Cardiac Perfusion Rest/Stress Digital PET/CT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "N-13 ammonia",
          "type": "DRUG"
        },
        {
          "name": "Regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "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": 15,
      "start_date": "2017-03-29",
      "completion_date": "2021-09-01",
      "has_results": false,
      "last_update_posted_date": "2021-10-26",
      "last_synced_at": "2026-09-17T04:03:42.976Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03170817"
    },
    {
      "nct_id": "NCT04343209",
      "title": "Ammonia N-13 Myocardial Blood Flow Absolute Quantification by PET in Patients With Known or Suspected CAD (Ammonia MAP)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myocardial Ischemia",
        "Coronary Disease",
        "Coronary Artery Disease",
        "Heart Diseases",
        "Cardiovascular Diseases",
        "Arteriosclerosis",
        "Arterial Occlusive Diseases",
        "Vascular Diseases"
      ],
      "interventions": [
        {
          "name": "Myocardial Perfusion Imaging Study",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "AMMONIA N-13 37.5 mCi in 1 mL INTRAVENOUS INJECTION [Ammonia N 13]",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Ionetix Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 170,
      "start_date": "2020-09-14",
      "completion_date": "2024-08-16",
      "has_results": false,
      "last_update_posted_date": "2024-09-05",
      "last_synced_at": "2026-09-17T04:03:42.976Z",
      "location_count": 5,
      "location_summary": "Miami, Florida • Miami Beach, Florida • Jenkintown, Pennsylvania + 2 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami Beach",
          "state": "Florida"
        },
        {
          "city": "Jenkintown",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "El Paso",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04343209"
    },
    {
      "nct_id": "NCT01433705",
      "title": "Distribution of Rubidium-82, Nitrogen-13 Ammonia, and Fluorine-18 Fluorodeoxyglucose in Normal Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Rb-82 Pet scans",
          "type": "OTHER"
        },
        {
          "name": "F-18 FDG Pet scans",
          "type": "OTHER"
        },
        {
          "name": "N-13 ammonia Pet scans",
          "type": "OTHER"
        },
        {
          "name": "Regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 70,
      "start_date": "2011-11",
      "completion_date": "2018-01-19",
      "has_results": false,
      "last_update_posted_date": "2019-01-30",
      "last_synced_at": "2026-09-17T04:03:42.976Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01433705"
    },
    {
      "nct_id": "NCT01370265",
      "title": "Myocardial Blood Flow by PET and N-13 Ammonia During Regadenoson vs Adenosine Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Regadenoson",
          "type": "DRUG"
        },
        {
          "name": "Adenosine",
          "type": "DRUG"
        },
        {
          "name": "N-13 ammonia",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2011-02",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2013-09-05",
      "last_synced_at": "2026-09-17T04:03:42.976Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01370265"
    },
    {
      "nct_id": "NCT02018107",
      "title": "PET/CT-Assessment of Liver Tumor Ablation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Liver Tumor",
        "Liver Neoplasms"
      ],
      "interventions": [
        {
          "name": "N-13 ammonia or F-18 fluorodeoxyglucose",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "PET scan",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2014-01",
      "completion_date": "2019-02-16",
      "has_results": true,
      "last_update_posted_date": "2020-03-26",
      "last_synced_at": "2026-09-17T04:03:42.976Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02018107"
    },
    {
      "nct_id": "NCT02641145",
      "title": "Molecular Imaging of Primary Amyloid Cardiomyopathy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Amyloidosis, Primary",
        "Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "F-18 florbetapir/C-11 acetate PET",
          "type": "RADIATION"
        },
        {
          "name": "MRI",
          "type": "DEVICE"
        },
        {
          "name": "N-13 ammonia PET",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "DEVICE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 171,
      "start_date": "2016-04-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-09-17T04:03:42.976Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02641145"
    },
    {
      "nct_id": "NCT05583721",
      "title": "Relationship Between Abnormal Myocardial Perfusion and Diastolic Dysfunction in Sickle Cell Disease Using PET",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "[13N]NH3",
          "type": "DRUG"
        },
        {
          "name": "Lexiscan",
          "type": "DRUG"
        },
        {
          "name": "Positron emission tomography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "18 Years to 21 Years"
      },
      "enrollment_count": 40,
      "start_date": "2023-10-10",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-17T04:03:42.976Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05583721"
    },
    {
      "nct_id": "NCT01719016",
      "title": "Improvement Assessment of Coronary Flow Dysfunction Using Fundamental Fluid Dynamics",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Cardiac PET, Coronary catheterization",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 68,
      "start_date": "2010-08",
      "completion_date": "2027-07-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-09-17T04:03:42.976Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01719016"
    }
  ]
}