{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Caffeinated+Coffee",
    "query": {
      "intervention": "Caffeinated Coffee"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Caffeinated+Coffee&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T23:14:25.408Z",
  "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": "NCT01130675",
      "title": "Does Coffee Consumption Prevent or Shorten Postoperative Ileus After Colon Resection?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Ileus"
      ],
      "interventions": [
        {
          "name": "caffeinated coffee",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2010-04",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-06-11",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01130675"
    },
    {
      "nct_id": "NCT01364207",
      "title": "The Effects of Caffeinated Coffee on Intraocular Pressure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Open Angle Glaucoma"
      ],
      "interventions": [
        {
          "name": "Caffeinated Coffee",
          "type": "OTHER"
        },
        {
          "name": "Decaffeinated Coffee",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts Eye and Ear Infirmary",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "40 Years to 89 Years"
      },
      "enrollment_count": 112,
      "start_date": "2010-11",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2012-10-31",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01364207"
    },
    {
      "nct_id": "NCT00950898",
      "title": "The Acute Effects of Coffee on Glucose Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes"
      ],
      "interventions": [
        {
          "name": "decaff",
          "type": "OTHER"
        },
        {
          "name": "caffcoff",
          "type": "OTHER"
        },
        {
          "name": "caffeine",
          "type": "OTHER"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brooklyn College of the City University of New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 11,
      "start_date": "2006-11",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2009-08-03",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00950898"
    },
    {
      "nct_id": "NCT05121519",
      "title": "Does Eliminating Coffee Avoid Fibrillation?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Coffee"
      ],
      "interventions": [
        {
          "name": "Consume coffee",
          "type": "OTHER"
        },
        {
          "name": "Avoid coffee",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2021-10-20",
      "completion_date": "2025-10-20",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05121519"
    },
    {
      "nct_id": "NCT04060225",
      "title": "Effects of High Caffeine Content Coffee on Blood Pressure in Young Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "High Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Coffee",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 1,
      "start_date": "2019-12-02",
      "completion_date": "2019-12-19",
      "has_results": false,
      "last_update_posted_date": "2021-01-14",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04060225"
    },
    {
      "nct_id": "NCT05667246",
      "title": "Clinical Effect of Caffeine Consumption in Patients Taking Oral Terbinafine",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Terbinafine Adverse Reaction"
      ],
      "interventions": [
        {
          "name": "Caffeinated Coffee",
          "type": "OTHER"
        },
        {
          "name": "Decaffeinated Coffee",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2024-07-25",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05667246"
    },
    {
      "nct_id": "NCT00305097",
      "title": "Effects of Caffeinated and Decaffeinated Coffee on Body Weight and Glucose Tolerance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight"
      ],
      "interventions": [
        {
          "name": "Decaffeinated coffee",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Caffeinated coffee",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "No coffee",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2006-05",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2018-03-06",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00305097"
    },
    {
      "nct_id": "NCT00267904",
      "title": "Reference Values for Plasma Catechols",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers",
        "Normal Physiology"
      ],
      "interventions": [
        {
          "name": "Coffee",
          "type": "OTHER"
        },
        {
          "name": "Banana",
          "type": "OTHER"
        },
        {
          "name": "Olives",
          "type": "OTHER"
        },
        {
          "name": "Temp. manip.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 46,
      "start_date": "2006-03-08",
      "completion_date": "2022-03-18",
      "has_results": false,
      "last_update_posted_date": "2022-03-29",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00267904"
    },
    {
      "nct_id": "NCT07641335",
      "title": "Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Performance",
        "Attention",
        "Reaction Time",
        "Caffeine"
      ],
      "interventions": [
        {
          "name": "Caffeinated Coffee",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Decaffeinated Coffee Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "St. Louis University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 12,
      "start_date": "2026-06-15",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07641335"
    },
    {
      "nct_id": "NCT06610162",
      "title": "Thermogenenic Responses to Fasting and Overfeeding in Women",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Eucalaloric feeding",
          "type": "OTHER"
        },
        {
          "name": "Acute Fasting",
          "type": "OTHER"
        },
        {
          "name": "Acute Overfeeding",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 56,
      "start_date": "2025-01-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-30",
      "last_synced_at": "2026-09-02T23:14:25.408Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06610162"
    }
  ]
}