{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+collection+and+Questionnaire&page=2",
    "query": {
      "intervention": "Sample collection and Questionnaire",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Sample+collection+and+Questionnaire&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T19:02:42.740Z",
  "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": "NCT02863107",
      "title": "Young-Onset Colorectal Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Colon Adenocarcinoma",
        "Colorectal Carcinoma",
        "Rectal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Medical Chart Review",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 818,
      "start_date": "2012-06-07",
      "completion_date": "2030-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 5,
      "location_summary": "Conroe, Texas • Houston, Texas • League City, Texas + 1 more",
      "locations": [
        {
          "city": "Conroe",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "League City",
          "state": "Texas"
        },
        {
          "city": "Sugar Land",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02863107"
    },
    {
      "nct_id": "NCT03043300",
      "title": "A Pilot Study Assessing Intestinal Microbiota Diversification and Changes After Travel to South(East) Asia From the US",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dysbiosis"
      ],
      "interventions": [
        {
          "name": "Screening Criteria Review",
          "type": "OTHER"
        },
        {
          "name": "Pre-Travel Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Pre-Travel Stool Specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Short-Term Post-Travel Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Short-Term Post-Travel Stool Specimen Collection",
          "type": "OTHER"
        },
        {
          "name": "Long-Term Post-Travel Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Long-Term Post-Travel Stool Specimen Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2017-11-07",
      "completion_date": "2018-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-01-30",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03043300"
    },
    {
      "nct_id": "NCT04214067",
      "title": "Testing the Addition of the Immunotherapy Drug, Pembrolizumab, to the Usual Radiation Treatment for Newly Diagnosed Early Stage High Intermediate Risk Endometrial Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Endometrial Endometrioid Adenocarcinoma",
        "Stage I Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8",
        "Stage II Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Brachytherapy",
          "type": "RADIATION"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "External Beam Radiation Therapy",
          "type": "RADIATION"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "X-Ray Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION",
        "BIOLOGICAL",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 164,
      "start_date": "2020-04-09",
      "completion_date": "2027-02-05",
      "has_results": false,
      "last_update_posted_date": "2026-07-02",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 275,
      "location_summary": "Birmingham, Alabama • Clovis, California • Concord, California + 195 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Clovis",
          "state": "California"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04214067"
    },
    {
      "nct_id": "NCT05986916",
      "title": "Accurate Point of Care Liver Disease Diagnostics",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "NAFLD",
        "Nonalcoholic Fatty Liver"
      ],
      "interventions": [
        {
          "name": "Liverscope® exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MR exam",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "FibroScan® exam (optional)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Body measurements",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2023-08-03",
      "completion_date": "2025-11",
      "has_results": false,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05986916"
    },
    {
      "nct_id": "NCT05201833",
      "title": "TRACK-TBI Longitudinal Biomarker Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Traumatic Brain Injury"
      ],
      "interventions": [
        {
          "name": "Telephone Outcome Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "In-Person Outcome Assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "3T Magnetic Resonance Imaging (MRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE"
      ],
      "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": 300,
      "start_date": "2022-03-01",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 11,
      "location_summary": "San Francisco, California • Charlestown, Massachusetts • Cincinnati, Ohio + 8 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05201833"
    },
    {
      "nct_id": "NCT02749214",
      "title": "Defining a PD-specific Breath Fingerprint of Underlying Inflammatory and Neurodegenerative Processes",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Blood Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Breath Sample Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "25 Years to 85 Years"
      },
      "enrollment_count": 100,
      "start_date": "2016-02",
      "completion_date": "2019-05",
      "has_results": false,
      "last_update_posted_date": "2019-06-18",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02749214"
    },
    {
      "nct_id": "NCT03396341",
      "title": "Responses to Genetic Risk Modifier Testing Among Women With Pathogenic Variants in Breast Cancer Predisposition Genes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Genetic Testing",
        "BRCA1/2"
      ],
      "interventions": [
        {
          "name": "Salvia sample",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Buccal swab sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "25 Years and older · Female only"
      },
      "enrollment_count": 806,
      "start_date": "2018-01-04",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 7,
      "location_summary": "Boston, Massachusetts • Basking Ridge, New Jersey • Commack, New York + 4 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03396341"
    },
    {
      "nct_id": "NCT05183828",
      "title": "Effect of HSD3B1 (1245C) Gene Mutation on Treatment of Stage I-III Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer AJCC v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Breast Adenocarcinoma",
        "Invasive Breast Carcinoma of No Special Type"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Letrozole",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 62,
      "start_date": "2022-01-23",
      "completion_date": "2026-05-13",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05183828"
    },
    {
      "nct_id": "NCT05702645",
      "title": "A Study to Learn More About the Health of Persons With Down Syndrome After Treatment for Acute Leukemia",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "B Acute Lymphoblastic Leukemia Associated With Down Syndrome",
        "Down Syndrome",
        "Myeloid Leukemia Associated With Down Syndrome"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Clinical Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Neurocognitive Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "39 Years",
        "sex": "ALL",
        "summary": "6 Years to 39 Years"
      },
      "enrollment_count": 330,
      "start_date": "2023-11-30",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 72,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Madera, California + 60 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05702645"
    },
    {
      "nct_id": "NCT03478553",
      "title": "The Genetics of Pulmonary Fibrosis",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Idiopathic Pulmonary Fibrosis (IPF)"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2018-01-18",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-09-26T19:02:42.740Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03478553"
    }
  ]
}