{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=13N-ammonia",
    "query": {
      "intervention": "13N-ammonia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=13N-ammonia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T05:44:48.081Z",
  "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": "NCT05625490",
      "title": "Myocardial Perfusion Imaging Galmydar Rest/Stress",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Ga-68 Galmydar",
          "type": "DRUG"
        },
        {
          "name": "13N-ammonia",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 15,
      "start_date": "2022-11-11",
      "completion_date": "2025-12-19",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05625490"
    },
    {
      "nct_id": "NCT03236311",
      "title": "A Dose Titration Study to Assess the Effects of SAR407899 in Patients With MVA and/or Persistent Stable Angina Despite Angiographically Successful PCI",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Microvascular Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "SAR407899",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Adenosine",
          "type": "DRUG"
        },
        {
          "name": "Regadenoson",
          "type": "DRUG"
        },
        {
          "name": "13N-ammonia",
          "type": "DRUG"
        },
        {
          "name": "82Rubidium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2017-10-12",
      "completion_date": "2018-07-23",
      "has_results": true,
      "last_update_posted_date": "2022-03-24",
      "last_synced_at": "2026-09-11T05:44:48.081Z",
      "location_count": 6,
      "location_summary": "Los Angeles, California • Jacksonville, Florida • Wellington, Florida + 3 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Wellington",
          "state": "Florida"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03236311"
    },
    {
      "nct_id": "NCT02669563",
      "title": "An Exploratory Study of 18F-Labeled Hydroxyphenethylguanidines in Heart Failure Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "[18F]4F-MHPG",
          "type": "DRUG"
        },
        {
          "name": "[18F]3F-PHPG",
          "type": "DRUG"
        },
        {
          "name": "[13N]ammonia",
          "type": "DRUG"
        },
        {
          "name": "[11C]HED",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 16,
      "start_date": "2015-12",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-02-27",
      "last_synced_at": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02669563"
    },
    {
      "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": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01370265"
    },
    {
      "nct_id": "NCT03648905",
      "title": "Clinical Laboratory Evaluation of Chronic Autonomic Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease",
        "Multiple System Atrophy",
        "Autonomic Failure"
      ],
      "interventions": [
        {
          "name": "13N-Ammonia",
          "type": "DRUG"
        },
        {
          "name": "18F-DOPA",
          "type": "DRUG"
        },
        {
          "name": "11C-Methylreboxetine (11C-MRB)",
          "type": "DRUG"
        },
        {
          "name": "18F-Dopamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 89,
      "start_date": "2018-09-06",
      "completion_date": "2026-07-15",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03648905"
    },
    {
      "nct_id": "NCT00775853",
      "title": "Biomarkers of Risk of Parkinson Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson Disease",
        "Autonomic Nervous System Diseases",
        "Pure Autonomic Failure"
      ],
      "interventions": [
        {
          "name": "6-[18F]Fluorodopamine",
          "type": "DRUG"
        },
        {
          "name": "6-[18F]Fluorodopa",
          "type": "DRUG"
        },
        {
          "name": "13N-Ammonia",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 89,
      "start_date": "2009-05-27",
      "completion_date": "2023-01-11",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00775853"
    },
    {
      "nct_id": "NCT04870827",
      "title": "Effect of Chronic Inflammation on Myocardial Perfusion and Function",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Psoriasis"
      ],
      "interventions": [
        {
          "name": "13N Amonia",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2021-06-07",
      "completion_date": "2022-05-18",
      "has_results": false,
      "last_update_posted_date": "2023-04-06",
      "last_synced_at": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04870827"
    },
    {
      "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": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03170817"
    },
    {
      "nct_id": "NCT01779869",
      "title": "Development of a PET-MR Myocardial Perfusion Examination Using Regadenoson",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ischemic Heart Disease"
      ],
      "interventions": [
        {
          "name": "Regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 16,
      "start_date": "2013-01",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2018-06-15",
      "last_synced_at": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01779869"
    },
    {
      "nct_id": "NCT06566209",
      "title": "FDG-PET as an Imaging Modality to Diagnose and Risk Stratify Subclinical, Imaging Negative Ici-Myocarditis",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Subclinical Immune Checkpoint Inhibitor-Induced Myocarditis",
        "Myocarditis",
        "ICI-Myocarditis",
        "Solid Malignant Tumor",
        "Hematologic Malignancy",
        "Subclinical Myocarditis",
        "Subclinical ICI-myocarditis"
      ],
      "interventions": [
        {
          "name": "Fluorodeoxyglucose - Positron Emission Tomography (FDG-PET)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2024-10-11",
      "completion_date": "2025-12-22",
      "has_results": false,
      "last_update_posted_date": "2026-05-08",
      "last_synced_at": "2026-09-11T05:44:48.081Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06566209"
    }
  ]
}