{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adenocarcinoma+of+the+Gastric+Cardia",
    "query": {
      "condition": "Adenocarcinoma of the Gastric Cardia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Adenocarcinoma+of+the+Gastric+Cardia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T03:11:39.312Z",
  "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": "NCT00040859",
      "title": "Oxaliplatin and Capecitabine in Treating Patients With Advanced Esophageal Cancer or Stomach Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "capecitabine",
          "type": "DRUG"
        },
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "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": "2002-09",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2016-12-07",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 6,
      "location_summary": "Sioux City, Iowa • Sioux Falls, South Dakota",
      "locations": [
        {
          "city": "Sioux City",
          "state": "Iowa"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        },
        {
          "city": "Sioux City",
          "state": "Iowa"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        },
        {
          "city": "Sioux Falls",
          "state": "South Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00040859"
    },
    {
      "nct_id": "NCT00003237",
      "title": "Combination Chemotherapy After Surgery in Treating Patients With Cancer of the Esophagus or Stomach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "cisplatin",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "surgical procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Eastern Cooperative Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 55,
      "start_date": "1998-06-22",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 28,
      "location_summary": "Chicago, Illinois • Evanston, Illinois • Peoria, Illinois + 18 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Springfield",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003237"
    },
    {
      "nct_id": "NCT00591123",
      "title": "Study of Erlotinib and Chemotherapy for Unresectable or Metastatic Cancer of the Esophagus and Gastric Cardia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Unresectable Adenocarcinoma of the Esophagus",
        "Metastatic Adenocarcinoma of the Esophagus",
        "Unresectable Adenocarcinoma of Gastric Cardia",
        "Metastatic Adenocarcinoma of Gastric Cardia"
      ],
      "interventions": [
        {
          "name": "FOLFOX",
          "type": "DRUG"
        },
        {
          "name": "5-FU",
          "type": "DRUG"
        },
        {
          "name": "Erlotinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Translational Oncology Research International",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 38,
      "start_date": "2007-12",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2021-10-01",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00591123"
    },
    {
      "nct_id": "NCT02037048",
      "title": "FOLFOX-6 Induction Chemotherapy Followed by Esophagectomy and Post-operative Chemoradiotherapy in Patients With Esophageal Adenocarcinoma",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenocarcinoma of the Esophagus",
        "Adenocarcinoma of the Gastroesophageal Junction",
        "Adenocarcinoma of the Gastric Cardia",
        "Stage IIIA Esophageal Cancer",
        "Stage IIIB Esophageal Cancer",
        "Stage IIIC Esophageal Cancer"
      ],
      "interventions": [
        {
          "name": "oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "leucovorin calcium",
          "type": "DRUG"
        },
        {
          "name": "fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "therapeutic conventional surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "radiation therapy",
          "type": "RADIATION"
        },
        {
          "name": "carboplatin",
          "type": "DRUG"
        },
        {
          "name": "paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "Case Comprehensive 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": 63,
      "start_date": "2014-02-10",
      "completion_date": "2025-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-01-08",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02037048"
    },
    {
      "nct_id": "NCT01512589",
      "title": "Proton Beam Therapy (PBT) Versus Intensity-Modulated Radiation Therapy (IMRT) Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer"
      ],
      "interventions": [
        {
          "name": "Proton Beam Therapy (PBT)",
          "type": "RADIATION"
        },
        {
          "name": "Intensity Modulated Radiation Therapy (IMRT)",
          "type": "RADIATION"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "RADIATION",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson 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": 147,
      "start_date": "2012-04-30",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-15",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01512589"
    },
    {
      "nct_id": "NCT00003748",
      "title": "Irinotecan in Treating Patients With Esophageal or Stomach Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jonsson Comprehensive 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": 40,
      "start_date": "1998-08",
      "completion_date": "2005-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-03",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 25,
      "location_summary": "Bakersfield, California • Fullerton, California • Inglewood, California + 19 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Inglewood",
          "state": "California"
        },
        {
          "city": "Lancaster",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00003748"
    },
    {
      "nct_id": "NCT04460937",
      "title": "Testing the Addition of an Anti-cancer Drug, Adavosertib, to Radiation Therapy for Patients With Incurable Esophageal and Gastroesophageal Junction Cancers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Clinical Stage III Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IV Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IV Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IVA Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Clinical Stage IVB Esophageal Adenocarcinoma AJCC v8",
        "Clinical Stage IVB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Clinical Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Distal Esophagus Adenocarcinoma",
        "Gastric Cardia Adenocarcinoma",
        "Metastatic Esophageal Adenocarcinoma",
        "Metastatic Esophageal Squamous Cell Carcinoma",
        "Metastatic Gastroesophageal Junction Adenocarcinoma",
        "Metastatic Malignant Neoplasm in the Brain",
        "Metastatic Malignant Neoplasm in the Leptomeninges",
        "Pathologic Stage III Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIA Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IIIA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIB Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IIIB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IIIB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IV Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IV Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IVA Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Pathologic Stage IVB Esophageal Adenocarcinoma AJCC v8",
        "Pathologic Stage IVB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Pathologic Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage III Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage III Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIA Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIB Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IIIB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IV Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IV Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVA Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVA Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVA Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVB Esophageal Adenocarcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVB Esophageal Squamous Cell Carcinoma AJCC v8",
        "Postneoadjuvant Therapy Stage IVB Gastroesophageal Junction Adenocarcinoma AJCC v8",
        "Unresectable Esophageal Adenocarcinoma",
        "Unresectable Esophageal Carcinoma",
        "Unresectable Esophageal Squamous Cell Carcinoma",
        "Unresectable Gastroesophageal Junction Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Adavosertib",
          "type": "DRUG"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2021-04-09",
      "completion_date": "2026-12-18",
      "has_results": true,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 7,
      "location_summary": "Duarte, California • Chicago, Illinois • Lexington, Kentucky + 3 more",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04460937"
    },
    {
      "nct_id": "NCT00259987",
      "title": "Effects Of Lapatinib (GW572016) In Patients With Relapsed Adenocarcinoma Of The Esophagus",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Lapatinib (GW572016) oral tablets",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2005-11",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2009-05-18",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Ann Arbor, Michigan • Buffalo, New York",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00259987"
    },
    {
      "nct_id": "NCT02730546",
      "title": "Pembrolizumab, Combination Chemotherapy, and Radiation Therapy Before Surgery in Treating Adult Patients With Locally Advanced Gastroesophageal Junction or Gastric Cardia Cancer That Can Be Removed by Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Gastric Cardia Adenocarcinoma",
        "Gastroesophageal Junction Adenocarcinoma",
        "Stage IB Gastric Cancer AJCC v7",
        "Stage II Gastric Cancer AJCC v7",
        "Stage IIA Gastric Cancer AJCC v7",
        "Stage IIB Gastric Cancer AJCC v7",
        "Stage IIIA Gastric Cancer AJCC v7",
        "Stage IIIB Gastric Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Carboplatin",
          "type": "DRUG"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Leucovorin Calcium",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Therapeutic Conventional Surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER",
        "BIOLOGICAL",
        "RADIATION"
      ],
      "sponsor": "Mayo Clinic",
      "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": 31,
      "start_date": "2016-06-24",
      "completion_date": "2023-10-31",
      "has_results": true,
      "last_update_posted_date": "2025-06-22",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 2,
      "location_summary": "Phoenix, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02730546"
    },
    {
      "nct_id": "NCT00004235",
      "title": "Docetaxel and Irinotecan in Treating Patients With Advanced Cancer of the Esophagus or Stomach",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Gastric Cancer"
      ],
      "interventions": [
        {
          "name": "docetaxel",
          "type": "DRUG"
        },
        {
          "name": "irinotecan hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2000-01",
      "completion_date": "2004-08",
      "has_results": false,
      "last_update_posted_date": "2016-07-14",
      "last_synced_at": "2026-05-22T03:11:39.312Z",
      "location_count": 18,
      "location_summary": "Scottsdale, Arizona • Peoria, Illinois • Urbana, Illinois + 15 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Peoria",
          "state": "Illinois"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00004235"
    }
  ]
}