{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=33",
    "query": {
      "intervention": "biospecimen Collection",
      "page": 33
    },
    "page_size": 10
  },
  "pagination": {
    "page": 33,
    "page_size": 10,
    "total_count": 3528,
    "total_pages": 353,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=34&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=biospecimen+Collection&page=32&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-11T20:11:01.805Z",
  "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": "NCT05107219",
      "title": "GCC Agonist Signal in the Small Intestine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Barrett Esophagus",
        "Gastroesophageal Reflux Disease",
        "Malignant Digestive System Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Esophagogastroduodenoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Linaclotide",
          "type": "DRUG"
        },
        {
          "name": "Plecanatide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2022-11-30",
      "completion_date": "2026-02-06",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 4,
      "location_summary": "Scottsdale, Arizona • Philadelphia, Pennsylvania • Madison, Wisconsin",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05107219"
    },
    {
      "nct_id": "NCT03662516",
      "title": "A Study to Determine the Effects of PF-04965842 on the Pharmacokinetics of Oral Contraceptive Steroids in Healthy Female Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Females"
      ],
      "interventions": [
        {
          "name": "PF-04965842",
          "type": "DRUG"
        },
        {
          "name": "Ethinyl estradiol (EE) and levonorgestrel (LN)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2018-09-26",
      "completion_date": "2019-01-19",
      "has_results": false,
      "last_update_posted_date": "2020-03-23",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03662516"
    },
    {
      "nct_id": "NCT07764133",
      "title": "Whole Body Metabolic Activity as a Reflection of Tumor Metabolic Dysregulation and a Predictor of Treatment Response in Ovarian Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Epithelial Ovarian Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Tennessee Graduate School of Medicine",
      "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": 50,
      "start_date": "2026-05-13",
      "completion_date": "2028-05-13",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07764133"
    },
    {
      "nct_id": "NCT04056247",
      "title": "Predicting Responsiveness in Oncology Patients Based on Host Response Evaluation During Anti Cancer Treatments",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stage IV Non-small Cell Lung Cancer",
        "Stage IV Malignant Melanoma",
        "Stage IV Small Cell Lung Cancer",
        "Stage III Unresectable Non-Small Cell Lung Cancer",
        "Stage IIIb-d Malignant Melanoma"
      ],
      "interventions": [
        {
          "name": "Plasma sample collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "OncoHost Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2019-10-01",
      "completion_date": "2029-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-19",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Jacksonville, Florida • Miami, Florida + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04056247"
    },
    {
      "nct_id": "NCT04548752",
      "title": "Testing the Addition of Pembrolizumab, an Immunotherapy Cancer Drug to Olaparib Alone as Therapy for Patients With Pancreatic Cancer That Has Spread With Inherited BRCA Mutations",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Pancreatic Adenocarcinoma",
        "Stage IV Pancreatic Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Biopsy Procedure",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BIOLOGICAL"
      ],
      "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": 68,
      "start_date": "2021-02-22",
      "completion_date": "2027-10-05",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 533,
      "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Kingman, Arizona + 340 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04548752"
    },
    {
      "nct_id": "NCT03424915",
      "title": "Exercise, Fitness and Tumor Profiling in Breast Cancer Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Harvard Health Professionals survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood draw",
          "type": "OTHER"
        },
        {
          "name": "CPET Procedures",
          "type": "OTHER"
        },
        {
          "name": "stool sample",
          "type": "OTHER"
        },
        {
          "name": "Research Tissue sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "21 Years to 80 Years · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2018-01-31",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-07",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 7,
      "location_summary": "Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more",
      "locations": [
        {
          "city": "Basking Ridge",
          "state": "New Jersey"
        },
        {
          "city": "Middletown",
          "state": "New Jersey"
        },
        {
          "city": "Montvale",
          "state": "New Jersey"
        },
        {
          "city": "Commack",
          "state": "New York"
        },
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03424915"
    },
    {
      "nct_id": "NCT02631720",
      "title": "CLAD Phenotype Specific Risk Factors and Mechanisms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Transplant",
        "Post Lung Transplantation"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 884,
      "start_date": "2015-12-22",
      "completion_date": "2019-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-25",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Baltimore, Maryland • Durham, North Carolina + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02631720"
    },
    {
      "nct_id": "NCT06222580",
      "title": "SNDX-5613 and Gilteritinib for the Treatment of Relapsed or Refractory FLT3-Mutated Acute Myeloid Leukemia and Concurrent MLL-Rearrangement or NPM1 Mutation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Acute Myeloid Leukemia With FLT3/ITD Mutation",
        "Acute Myeloid Leukemia With KMT2A Rearrangement",
        "Acute Myeloid Leukemia With NPM1 Mutation",
        "Recurrent Acute Myeloid Leukemia",
        "Refractory Acute Myeloid Leukemia"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Aspiration and Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Gilteritinib",
          "type": "DRUG"
        },
        {
          "name": "Revumenib",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Multigated Acquisition Scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Uma Borate",
      "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": "2024-02-20",
      "completion_date": "2027-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 4,
      "location_summary": "Chapel Hill, North Carolina • Columbus, Ohio • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06222580"
    },
    {
      "nct_id": "NCT04214262",
      "title": "Testing the Addition of the Drug Atezolizumab to the Usual Radiation Treatment for Patients With Early Non-small Cell Lung Cancer",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lung Non-Small Cell Carcinoma",
        "Stage I Lung Cancer AJCC v8",
        "Stage II Lung Cancer AJCC v8"
      ],
      "interventions": [
        {
          "name": "Atezolizumab",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Fludeoxyglucose F-18",
          "type": "OTHER"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER",
        "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": 417,
      "start_date": "2020-08-13",
      "completion_date": "2027-06-09",
      "has_results": true,
      "last_update_posted_date": "2026-10-27",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 390,
      "location_summary": "Anchorage, Alaska • Jonesboro, Arkansas • Little Rock, Arkansas + 290 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04214262"
    },
    {
      "nct_id": "NCT03326583",
      "title": "The Effects of Patiromer on Serum Potassium Level and Gut Microbiome of ESRD Patients With Hyperkalemia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "ESRD",
        "Hyperkalemia",
        "End Stage Renal Disease"
      ],
      "interventions": [
        {
          "name": "Patiromer",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dominic Raj",
      "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": 27,
      "start_date": "2017-11-01",
      "completion_date": "2020-12-31",
      "has_results": true,
      "last_update_posted_date": "2023-05-09",
      "last_synced_at": "2026-11-11T20:11:01.805Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03326583"
    }
  ]
}