{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arterial+Spasm",
    "query": {
      "condition": "Arterial Spasm"
    },
    "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": "2026-09-04T03:22:53.862Z",
  "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": "NCT05625503",
      "title": "Dilution of Verapamil During Intraarterial Administration",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Vasospasm;Peripheral",
        "Burning",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Verapamil",
          "type": "DRUG"
        },
        {
          "name": "Nicardipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2022-12-13",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-27",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05625503"
    },
    {
      "nct_id": "NCT02862522",
      "title": "Uric Acid Levels and Endothelial Functions",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Questionnaire of overall health",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "50 Years and older · Female only"
      },
      "enrollment_count": 229,
      "start_date": "1992-01",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-08-11",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02862522"
    },
    {
      "nct_id": "NCT01431326",
      "title": "Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adenovirus",
        "Anesthesia",
        "Anxiety",
        "Anxiolysis",
        "Autism",
        "Autistic Disorder",
        "Bacterial Meningitis",
        "Bacterial Septicemia",
        "Benzodiazepine",
        "Bipolar Disorder",
        "Bone and Joint Infections",
        "Central Nervous System Infections",
        "Convulsions",
        "Cytomegalovirus Retinitis",
        "Early-onset Schizophrenia Spectrum Disorders",
        "Epilepsy",
        "General Anesthesia",
        "Gynecologic Infections",
        "Herpes Simplex Virus",
        "Infantile Hemangioma",
        "Infection",
        "Inflammation",
        "Inflammatory Conditions",
        "Intra-abdominal Infections",
        "Lower Respiratory Tract Infections",
        "Migraines",
        "Pain",
        "Pneumonia",
        "Schizophrenia",
        "Sedation",
        "Seizures",
        "Skeletal Muscle Spasms",
        "Skin and Skin-structure Infections",
        "Treatment-resistant Schizophrenia",
        "Urinary Tract Infections",
        "Withdrawal",
        "Sepsis",
        "Gram-negative Infection",
        "Bradycardia",
        "Cardiac Arrest",
        "Cardiac Arrhythmia",
        "Staphylococcal Infections",
        "Nosocomial Pneumonia",
        "Neuromuscular Blockade",
        "Methicillin Resistant Staphylococcus Aureus",
        "Endocarditis",
        "Neutropenia",
        "Headache",
        "Fibrinolytic Bleeding",
        "Pulmonary Arterial Hypertension",
        "CMV Retinitis",
        "Hypertension",
        "Chronic Kidney Diseases",
        "Hyperaldosteronism",
        "Hypokalemia",
        "Heart Failure",
        "Hemophilia",
        "Heavy Menstrual Bleeding",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daniel Benjamin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 3520,
      "start_date": "2011-11",
      "completion_date": "2019-11",
      "has_results": false,
      "last_update_posted_date": "2023-09-06",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 43,
      "location_summary": "Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01431326"
    },
    {
      "nct_id": "NCT00914316",
      "title": "Supervised Treadmill Exercise and Ranolazine for Intermittent Claudication of Lower Extremities",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Peripheral Arterial Disease"
      ],
      "interventions": [
        {
          "name": "Ranolazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Corewell Health East",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2009-05",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2017-08-09",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00914316"
    },
    {
      "nct_id": "NCT02577796",
      "title": "Radial Artery Spasm Leading to Occlusion in Patients Undergoing Coronary Angiogram Via Radial Access",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arterial Occlusion",
        "Arterial Spasm"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Antonios Likourezos",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2014-12-01",
      "completion_date": "2015-10-28",
      "has_results": false,
      "last_update_posted_date": "2023-12-04",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02577796"
    },
    {
      "nct_id": "NCT01557088",
      "title": "Lp-PLA2 and Coronary Atherosclerosis in Humans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Atherosclerosis",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Blood sampling from the Coronary Sinus and Aorta",
          "type": "OTHER"
        },
        {
          "name": "Intravascular Ultrasound of the coronary artery.",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 166,
      "start_date": "2009-02",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2015-09-23",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01557088"
    },
    {
      "nct_id": "NCT01155167",
      "title": "Topical Radial Artery Vasodilation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Cardiac Catheterization",
        "Spasm"
      ],
      "interventions": [
        {
          "name": "Nitroglycerin and lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 86,
      "start_date": "2010-07",
      "completion_date": "2012-08",
      "has_results": true,
      "last_update_posted_date": "2018-09-25",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01155167"
    },
    {
      "nct_id": "NCT02832115",
      "title": "Topical Nitroglycerine Treatment for Radial Artery Spasm Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Radial Artery Spasm",
        "Angina",
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Topical Nitroglycerine",
          "type": "DRUG"
        },
        {
          "name": "Topical Lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aultman Health Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2016-09",
      "completion_date": "2019-05-02",
      "has_results": true,
      "last_update_posted_date": "2020-10-27",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 1,
      "location_summary": "Canton, Ohio",
      "locations": [
        {
          "city": "Canton",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02832115"
    },
    {
      "nct_id": "NCT04755335",
      "title": "Ultrasonic Perfusion Estimation in Calf Muscle",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral Arterial Disease"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "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": 87,
      "start_date": "2020-02-28",
      "completion_date": "2023-05-29",
      "has_results": false,
      "last_update_posted_date": "2025-04-23",
      "last_synced_at": "2026-09-04T03:22:53.862Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04755335"
    }
  ]
}