{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=40",
    "query": {
      "intervention": "Venipuncture",
      "page": 40
    },
    "page_size": 10
  },
  "pagination": {
    "page": 40,
    "page_size": 10,
    "total_count": 1532,
    "total_pages": 154,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=41&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Venipuncture&page=39&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T04:56:23.422Z",
  "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": "NCT00823563",
      "title": "Evaluation of Patients With Non-obstructive Coronary Arteries",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chest Pain",
        "Ischemia"
      ],
      "interventions": [
        {
          "name": "30 cc blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Intravascular ultrasound (IVUS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary pressure/flow wire testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Coronary pressure/flow testing: Acetycholine challenge",
          "type": "PROCEDURE"
        },
        {
          "name": "Procedure: Coronary pressure/flow testing: Nitroglycerin challenge",
          "type": "PROCEDURE"
        },
        {
          "name": "Procedure: Procedure: Coronary pressure/flow testing: Adenosine challenge",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 2000,
      "start_date": "2007-06",
      "completion_date": "2047-06",
      "has_results": false,
      "last_update_posted_date": "2025-06-05",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823563"
    },
    {
      "nct_id": "NCT01305291",
      "title": "Fibersol-2 Clinical Trials Related to Appetite",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lack of Satiety"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "digestion-resistant maltodextrin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Iowa State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "62 Years",
        "sex": "ALL",
        "summary": "18 Years to 62 Years"
      },
      "enrollment_count": 20,
      "start_date": "2008-11",
      "completion_date": "2009-11",
      "has_results": false,
      "last_update_posted_date": "2011-02-28",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 1,
      "location_summary": "Ames, Iowa",
      "locations": [
        {
          "city": "Ames",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01305291"
    },
    {
      "nct_id": "NCT03081390",
      "title": "Migraine and CVD Risk in Women",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Mixed meal tolerance testing",
          "type": "OTHER"
        },
        {
          "name": "Skin conductance & cold pressor test",
          "type": "OTHER"
        },
        {
          "name": "Flow-mediated dilation testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 35 Years · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2017-04-01",
      "completion_date": "2026-09-28",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03081390"
    },
    {
      "nct_id": "NCT02613923",
      "title": "A Sleep Intervention to Improve Outcomes Among Women at High Risk of Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "GO! To Sleep",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep information",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Pittsburgh Sleep Quality Index (PSQI)",
          "type": "OTHER"
        },
        {
          "name": "Insomnia Severity Index (ISI)",
          "type": "OTHER"
        },
        {
          "name": "SF-12 quality of life survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Case Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 17,
      "start_date": "2015-08-04",
      "completion_date": "2017-07-23",
      "has_results": false,
      "last_update_posted_date": "2019-05-09",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02613923"
    },
    {
      "nct_id": "NCT05602597",
      "title": "HMPL-689 Drug Interaction Study With CYP3A Inhibitor/CYP2C9 Inhibitor/CYP3A Inducer/PPI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Relapsed or Refractory Lymphoma"
      ],
      "interventions": [
        {
          "name": "Itraconazole 200 mg",
          "type": "DRUG"
        },
        {
          "name": "Fluconazole 400 mg",
          "type": "DRUG"
        },
        {
          "name": "Rifampin 600 mg",
          "type": "DRUG"
        },
        {
          "name": "Rabeprazole 40 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hutchmed",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 59,
      "start_date": "2022-06-01",
      "completion_date": "2022-08-06",
      "has_results": false,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05602597"
    },
    {
      "nct_id": "NCT06480591",
      "title": "Evaluation of the Pathobiology of CALR-mutated MPN Cells",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myeloproliferative Neoplasm"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2025-01-21",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 2,
      "location_summary": "Charlotte, North Carolina • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06480591"
    },
    {
      "nct_id": "NCT00843791",
      "title": "Ghrelin Regulation and Structure: Effect of Thiazolidinedione Therapy on Ghrelin",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Insulin Resistance"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "pioglitazone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "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": 6,
      "start_date": "2009-02",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2023-01-30",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00843791"
    },
    {
      "nct_id": "NCT03807635",
      "title": "Simulated Clinical Use Testing on Safety Lancets (Test A)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Needle Stick"
      ],
      "interventions": [
        {
          "name": "ergoLance safety lancet",
          "type": "DEVICE"
        },
        {
          "name": "Acti-Lance safety lancet",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "HTL-Strefa S.A.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2018-11-30",
      "completion_date": "2018-12-13",
      "has_results": false,
      "last_update_posted_date": "2019-01-22",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Boston, Massachusetts",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03807635"
    },
    {
      "nct_id": "NCT05208697",
      "title": "Tele-Harm Reduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "IV Drug Usage",
        "HIV Infections",
        "Hepatitis C"
      ],
      "interventions": [
        {
          "name": "Tele-Harm Reduction",
          "type": "BEHAVIORAL"
        },
        {
          "name": "off-site linkage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2022-10-10",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 3,
      "location_summary": "Fort Lauderdale, Florida • Miami, Florida • Tampa, Florida",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05208697"
    },
    {
      "nct_id": "NCT03874559",
      "title": "Exosomes in Rectal Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Rectal Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Kansas 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": 30,
      "start_date": "2018-02-13",
      "completion_date": "2028-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-10-27T04:56:23.422Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03874559"
    }
  ]
}