{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=14",
    "query": {
      "intervention": "Contrast",
      "page": 14
    },
    "page_size": 10
  },
  "pagination": {
    "page": 14,
    "page_size": 10,
    "total_count": 1450,
    "total_pages": 145,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=15&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Contrast&page=13&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T17:40:59.108Z",
  "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": "NCT05206942",
      "title": "Serial Ultrasound of Solid Tumor Lesions to Detect Early Response to Cancer Immunotherapy",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Solid Tumor"
      ],
      "interventions": [
        {
          "name": "Doppler ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Long Ensemble Angular-coherence Doppler [LEAD] ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Contrast-enhanced ultrasound (CEUS)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "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": 30,
      "start_date": "2022-03-21",
      "completion_date": "2026-09-28",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05206942"
    },
    {
      "nct_id": "NCT04199754",
      "title": "IV Contrast-Enhanced Cone Beam Computed Tomography (CBCT) in Radiotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pelvic Cancer",
        "Abdominal Cancer"
      ],
      "interventions": [
        {
          "name": "Omnipaque 300mg/mL Solution for Injection",
          "type": "DRUG"
        },
        {
          "name": "Cone Beam CT",
          "type": "RADIATION"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "0.9% Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2020-10-01",
      "completion_date": "2021-05-28",
      "has_results": false,
      "last_update_posted_date": "2024-05-31",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04199754"
    },
    {
      "nct_id": "NCT01138527",
      "title": "Prostate Cancer Localization With a Multiparametric Magnetic Resonance (MR) Approach",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "MRI examination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Radboud University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "MALE",
        "summary": "Male only"
      },
      "enrollment_count": 148,
      "start_date": "2010-06",
      "completion_date": "2019-07",
      "has_results": false,
      "last_update_posted_date": "2021-05-13",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Baltimore, Maryland",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01138527"
    },
    {
      "nct_id": "NCT02125786",
      "title": "A Trial of Surgery and Fractionated Re-Irradiation for Recurrent Ependymoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ependymoma"
      ],
      "interventions": [
        {
          "name": "Irradiation",
          "type": "RADIATION"
        },
        {
          "name": "Surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "^1^8F-Fluorodeoxyglucose",
          "type": "DRUG"
        },
        {
          "name": "^1^1C-methionine",
          "type": "DRUG"
        },
        {
          "name": "Photon therapy",
          "type": "DEVICE"
        },
        {
          "name": "Proton therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "PROCEDURE",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "1 Year to 21 Years"
      },
      "enrollment_count": 68,
      "start_date": "2014-05-07",
      "completion_date": "2028-05",
      "has_results": true,
      "last_update_posted_date": "2026-02-24",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02125786"
    },
    {
      "nct_id": "NCT00871260",
      "title": "Stress Testing and Cardiac Magnetic Resonance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Coronary Disease"
      ],
      "interventions": [
        {
          "name": "regadenoson",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2009-04",
      "completion_date": "2014-06-04",
      "has_results": true,
      "last_update_posted_date": "2021-07-12",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00871260"
    },
    {
      "nct_id": "NCT02783768",
      "title": "Ventilation and Pulmonary Endothelium Toxicities of E-cigarettes: A Randomized Crossover Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive",
        "E-cigarettes"
      ],
      "interventions": [
        {
          "name": "E-cigarette",
          "type": "DEVICE"
        },
        {
          "name": "Sham",
          "type": "OTHER"
        },
        {
          "name": "Hyperpolarized 3-Helium",
          "type": "DRUG"
        },
        {
          "name": "Gadolinium",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "21 Years to 35 Years"
      },
      "enrollment_count": 12,
      "start_date": "2017-03-01",
      "completion_date": "2018-07-24",
      "has_results": true,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02783768"
    },
    {
      "nct_id": "NCT03821376",
      "title": "Correlation of Renal Mass Pathologic Grade and Contrast Enhanced Ultrasound (CEUS)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Renal Malignant Tumor"
      ],
      "interventions": [
        {
          "name": "Contrast enhanced ultrasound with Lumason",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2019-07-16",
      "completion_date": "2021-09-21",
      "has_results": true,
      "last_update_posted_date": "2024-10-10",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03821376"
    },
    {
      "nct_id": "NCT02204917",
      "title": "CeVUS With Intravesical Administration of OPTISON TM (Trademark) in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Vesico-Ureteral Reflux"
      ],
      "interventions": [
        {
          "name": "OPTISON",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kassa Darge",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 31,
      "start_date": "2014-07",
      "completion_date": "2017-03",
      "has_results": true,
      "last_update_posted_date": "2018-11-27",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02204917"
    },
    {
      "nct_id": "NCT01778920",
      "title": "Pilot and Feasibility Study of the Imaging Potential of EC17: Intraoperative Folate-fluorescein Conjugate (EC17) Lung Cancer (CA)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung and Pleural Malignancies",
        "Neoplasms",
        "Nodules",
        "Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "EC17 imaging contrast agent",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2012-04",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2016-05-17",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01778920"
    },
    {
      "nct_id": "NCT00312117",
      "title": "Trial for Prevention of Contrast Nephropathy With Sodium Bicarbonate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Contrast Induced Nephropathy",
        "Kidney Diseases"
      ],
      "interventions": [
        {
          "name": "Sodium bicarbonate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2006-01",
      "completion_date": "2006-02",
      "has_results": false,
      "last_update_posted_date": "2015-03-11",
      "last_synced_at": "2026-10-21T17:40:59.108Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00312117"
    }
  ]
}