{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=26",
    "query": {
      "intervention": "Contrast",
      "page": 26
    },
    "page_size": 10
  },
  "pagination": {
    "page": 26,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=27&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=25&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T00:41:50.846Z",
  "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": "NCT01456143",
      "title": "Optical Imaging of Head and Neck Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Squamous Cell Carcinoma",
        "Neoplasia",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "High Resolution Microendoscopy (HRME)",
          "type": "DEVICE"
        },
        {
          "name": "Proflavine hemisulfate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Sharmila Anandasabapathy, MD",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2011-12",
      "completion_date": "2014-07",
      "has_results": true,
      "last_update_posted_date": "2018-02-01",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01456143"
    },
    {
      "nct_id": "NCT00594698",
      "title": "Familiarization and Safety Study of PB127 Ultrasound Contrast Agent",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "PB127 for injectable suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Point Biomedical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2002-02",
      "completion_date": "2003-09",
      "has_results": false,
      "last_update_posted_date": "2008-07-03",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 34,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Long Beach, California + 25 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00594698"
    },
    {
      "nct_id": "NCT03225014",
      "title": "Adolescent Anterior Knee Pain: ARP Wave Therapy vs. Physical Therapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Pain Chronic"
      ],
      "interventions": [
        {
          "name": "Accelerated Recovery Performance Wave Therapy",
          "type": "DEVICE"
        },
        {
          "name": "Physical therapy",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Rady Children's Hospital, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "12 Years to 18 Years"
      },
      "enrollment_count": 20,
      "start_date": "2017-01-09",
      "completion_date": "2022-08-30",
      "has_results": false,
      "last_update_posted_date": "2021-02-04",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03225014"
    },
    {
      "nct_id": "NCT01377649",
      "title": "Contrast Ultrasound Perfusion Imaging in Peripheral Arterial Disease (PAD)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral Arterial Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 18,
      "start_date": "2011-07",
      "completion_date": "2016-09",
      "has_results": false,
      "last_update_posted_date": "2016-09-27",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01377649"
    },
    {
      "nct_id": "NCT02878538",
      "title": "A Pilot of the Feasibility of Using the Iron-Chelator Deferiprone on Mild Cognitive Impairment",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Deferiprone",
          "type": "DRUG"
        },
        {
          "name": "Placebo phase",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "65 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2018-01",
      "completion_date": "2023-04",
      "has_results": false,
      "last_update_posted_date": "2018-02-06",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02878538"
    },
    {
      "nct_id": "NCT02203734",
      "title": "Massage To Improve Uterine Artery Blood Flow",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Depression"
      ],
      "interventions": [
        {
          "name": "Moderate Pressure Massage",
          "type": "PROCEDURE"
        },
        {
          "name": "Light Pressure Massage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Miguel Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 24,
      "start_date": "2012-02",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2015-10-09",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02203734"
    },
    {
      "nct_id": "NCT03166787",
      "title": "Hookah Smoking, Carbon Monoxide, and Coronary Endothelial Function",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Smoking",
        "Endothelial Dysfunction"
      ],
      "interventions": [
        {
          "name": "Charcoal hookah",
          "type": "OTHER"
        },
        {
          "name": "E-coal hookah",
          "type": "OTHER"
        },
        {
          "name": "Cigarette",
          "type": "OTHER"
        },
        {
          "name": "Carbon Monoxide inhalation",
          "type": "DRUG"
        },
        {
          "name": "Room Air inhalation",
          "type": "OTHER"
        },
        {
          "name": "vitamin C",
          "type": "DRUG"
        },
        {
          "name": "tadalafil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "21 Years to 49 Years"
      },
      "enrollment_count": 60,
      "start_date": "2017-08-15",
      "completion_date": "2020-10-15",
      "has_results": false,
      "last_update_posted_date": "2021-04-09",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03166787"
    },
    {
      "nct_id": "NCT03345446",
      "title": "Circulating RNAs in Acute Congestive Heart Failure",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Congestive Heart Failure",
        "Heart Failure With Reduced Ejection Fraction",
        "Heart Failure With Normal Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2016-08-17",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03345446"
    },
    {
      "nct_id": "NCT06261814",
      "title": "Contrast Enhanced Ultrasound to Evaluate Response to Chemoembolization in Patients With Liver Tumors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Liver Neoplasms"
      ],
      "interventions": [
        {
          "name": "Sulfur Hexafluoride Lipid Microspheres",
          "type": "DRUG"
        },
        {
          "name": "Contrast-Enhanced Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Transarterial Chemoembolization",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "john eisenbrey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 266,
      "start_date": "2024-08-07",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06261814"
    },
    {
      "nct_id": "NCT04143516",
      "title": "Tissue Analysis After Tumor Ablation for Liver Metastases Leading to Immediate Retreatment",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Liver Metastases"
      ],
      "interventions": [
        {
          "name": "[18-F]- FDG - PET",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tumor ablation (TA)",
          "type": "PROCEDURE"
        },
        {
          "name": "PET/CT Scan",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2019-10-25",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-10-23T00:41:50.846Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04143516"
    }
  ]
}