{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=35",
    "query": {
      "intervention": "Specimen Collection",
      "page": 35
    },
    "page_size": 10
  },
  "pagination": {
    "page": 35,
    "page_size": 10,
    "total_count": 3660,
    "total_pages": 366,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=36&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Specimen+Collection&page=34&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T17:03:14.251Z",
  "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": "NCT00262899",
      "title": "Genetic Counseling or Usual Care in Helping Women With Newly Diagnosed Ductal Carcinoma In Situ or Stage I, Stage II, or Stage IIIA Breast Cancer Make Treatment Decisions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer",
        "Psychosocial Effects of Cancer and Its Treatment"
      ],
      "interventions": [
        {
          "name": "counseling intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "educational intervention",
          "type": "OTHER"
        },
        {
          "name": "psychosocial assessment and care",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Georgetown University",
      "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": 331,
      "start_date": "2005-08",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2013-01-07",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 4,
      "location_summary": "Washington D.C., District of Columbia • Chevy Chase, Maryland • Hackensack, New Jersey + 1 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Chevy Chase",
          "state": "Maryland"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00262899"
    },
    {
      "nct_id": "NCT06957236",
      "title": "Surgical Site Infection Outcomes in Natural Orifice Intracorporeal Anastomosis and Extraction (NICE) Procedure - The NICE Trial",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diverticulitis",
        "Surgical Site Infection",
        "Surgical Site Infections",
        "Colorectal Surgery",
        "Robotic Surgical Procedures",
        "Clinical Trials",
        "Diverticulitis, Colonic",
        "Diverticulitis Colon",
        "Diverticulitis; Perforation, Bowel"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The Methodist Hospital Research Institute",
      "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": "2025-04-02",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-05-08",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06957236"
    },
    {
      "nct_id": "NCT06453044",
      "title": "Mosunetuzumab and Polatuzumab Vedotin for the Treatment of Patients With Relapsed or Refractory Grade 1-3a Follicular Lymphoma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Recurrent Grade 1 Follicular Lymphoma",
        "Recurrent Grade 2 Follicular Lymphoma",
        "Recurrent Grade 3a Follicular Lymphoma",
        "Refractory Grade 1 Follicular Lymphoma",
        "Refractory Grade 2 Follicular Lymphoma",
        "Refractory Grade 3a Follicular Lymphoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Mosunetuzumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Polatuzumab Vedotin",
          "type": "DRUG"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2024-09-09",
      "completion_date": "2028-03-14",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 2,
      "location_summary": "Duarte, California • Irvine, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06453044"
    },
    {
      "nct_id": "NCT02735512",
      "title": "MDSC Clinical Assay in Finding and Monitoring Cancer Cells in Blood and Urine Samples From Patients With or Without Localized or Metastatic Bladder Cancer",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "No Evidence of Disease",
        "Stage II Bladder Cancer",
        "Stage III Bladder Cancer",
        "Stage IVA Bladder Cancer",
        "Stage IVB Bladder Cancer"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2016-03-01",
      "completion_date": "2022-04-13",
      "has_results": false,
      "last_update_posted_date": "2022-08-10",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02735512"
    },
    {
      "nct_id": "NCT07215065",
      "title": "Examining Heavy Metal Exposure and Respiratory Health in Young Adult Electronic Cigarette Users",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heavy Metal Exposure From Vaping"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "29 Years",
        "sex": "ALL",
        "summary": "18 Years to 29 Years"
      },
      "enrollment_count": 58,
      "start_date": "2025-10-22",
      "completion_date": "2026-02-27",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07215065"
    },
    {
      "nct_id": "NCT06056895",
      "title": "Triple Immune Checkpoint Inhibition for Advanced or Metastatic PD-(L)1 Refractory Merkel Cell Carcinoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Unresectable Clinical Stage III Merkel Cell Carcinoma AJCC v8",
        "Clinical Stage IV Merkel Cell Carcinoma AJCC v8",
        "Merkel Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Retifanlimab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Tuparstobart",
          "type": "DRUG"
        },
        {
          "name": "Verzistobart",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "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": "2023-11-08",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06056895"
    },
    {
      "nct_id": "NCT06745024",
      "title": "Comparing Radiation Therapy to Usual Treatment for Patients With High-Risk Bone Metastases That Are Not Causing Pain, PREEMPT Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Metastatic Malignant Neoplasm in the Bone",
        "Metastatic Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Best Practice",
          "type": "OTHER"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Metastases Treatment",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Conventional Radiotherapy",
          "type": "PROCEDURE"
        },
        {
          "name": "Magnetic Resonance Imaging",
          "type": "PROCEDURE"
        },
        {
          "name": "Patient Observation",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Stereotactic Body Radiation Therapy",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "NRG Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 280,
      "start_date": "2025-05-07",
      "completion_date": "2034-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-17",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 624,
      "location_summary": "Fairbanks, Alaska • Gilbert, Arizona • Phoenix, Arizona + 450 more",
      "locations": [
        {
          "city": "Fairbanks",
          "state": "Alaska"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06745024"
    },
    {
      "nct_id": "NCT07582159",
      "title": "Tafasitamab With Acalabrutinib and Venetoclax for the Treatment of Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Lymphocytic Leukemia",
        "Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma",
        "Small Lymphocytic Lymphoma"
      ],
      "interventions": [
        {
          "name": "Acalabrutinib",
          "type": "DRUG"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Positron Emission Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Tafasitamab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Venetoclax",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2026-12-19",
      "completion_date": "2029-04-14",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 2,
      "location_summary": "Duarte, California • Irvine, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07582159"
    },
    {
      "nct_id": "NCT02890979",
      "title": "Swallowable Sponge Cell Sampling Device and Next Generation Sequencing in Detecting Esophageal Cancer in Patients With Low or High Grade Dysplasia, Barrett Esophagus, or Gastroesophageal Reflux Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Barrett Esophagus",
        "Dysplasia",
        "Esophageal Adenocarcinoma",
        "Esophageal Squamous Cell Carcinoma",
        "Gastroesophageal Reflux Disease",
        "Metaplasia"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Swallowable Sponge Cell Sampling Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2016-08-03",
      "completion_date": "2017-10-10",
      "has_results": false,
      "last_update_posted_date": "2020-11-25",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02890979"
    },
    {
      "nct_id": "NCT00283361",
      "title": "ZP120 Add-on to Furosemide in Treatment of Acute or Sub-Acute Decompensated Heart Failure",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "ZP120",
          "type": "DRUG"
        },
        {
          "name": "I.v. catherization",
          "type": "PROCEDURE"
        },
        {
          "name": "6-minutes walk performance",
          "type": "PROCEDURE"
        },
        {
          "name": "Dyspnea severity assessment",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood sampling for laboratory tests",
          "type": "PROCEDURE"
        },
        {
          "name": "ECG",
          "type": "PROCEDURE"
        },
        {
          "name": "Physical examination",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Zealand Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 130,
      "start_date": "2006-01",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2007-02-28",
      "last_synced_at": "2026-10-19T17:03:14.251Z",
      "location_count": 22,
      "location_summary": "Los Angeles, California • San Diego, California • San Francisco, California + 17 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00283361"
    }
  ]
}