{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pharmacokinetics+of+Caffeine&page=2",
    "query": {
      "condition": "Pharmacokinetics of Caffeine",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 32,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pharmacokinetics+of+Caffeine&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pharmacokinetics+of+Caffeine&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-04T12:58:24.286Z",
  "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": "NCT02434861",
      "title": "An Open Label, Single Dose, Three Part Study to Assess the Effects of Rolapitant (2 mg/mL IV Solution) on the Pharmacokinetics of Digoxin; Sulfasalazine; and the Cooperstown Cocktail (Midazolam, Omeprazole, Warfarin, Caffeine, and Dextromethorphan in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chemotherapy-induced Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Rolapitant",
          "type": "DRUG"
        },
        {
          "name": "Digoxin",
          "type": "DRUG"
        },
        {
          "name": "Sulfasalazine",
          "type": "DRUG"
        },
        {
          "name": "Cooperstown Cocktail",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tesaro, Inc.",
      "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": 102,
      "start_date": "2015-05",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2015-08-25",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02434861"
    },
    {
      "nct_id": "NCT06973005",
      "title": "A Study to Investigate How Multiple Oral Doses of AZD2389 Affect the Pharmacokinetics of Midazolam, Caffeine, and Bupropion in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Advanced Chronic Liver Disease",
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "AZD2389",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 16,
      "start_date": "2025-05-08",
      "completion_date": "2025-07-18",
      "has_results": false,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 1,
      "location_summary": "Brooklyn, Maryland",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06973005"
    },
    {
      "nct_id": "NCT01517399",
      "title": "Drug-drug Interaction Study of Tivantinib (ARQ 197) With Omeprazole, S-warfarin, Caffeine, Midazolam, and Digoxin in Cancer Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumors"
      ],
      "interventions": [
        {
          "name": "tivantinib",
          "type": "DRUG"
        },
        {
          "name": "omeprazole",
          "type": "DRUG"
        },
        {
          "name": "s-warfarin",
          "type": "DRUG"
        },
        {
          "name": "caffeine",
          "type": "DRUG"
        },
        {
          "name": "vitamin K",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "digoxin",
          "type": "DRUG"
        },
        {
          "name": "midazolam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Daiichi Sankyo",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2011-12",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2019-02-12",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01517399"
    },
    {
      "nct_id": "NCT02688088",
      "title": "A Study of Abemaciclib in Participants With Cancer That is Advanced or Has Spread to Another Part(s) of the Body",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Neoplasm Metastasis"
      ],
      "interventions": [
        {
          "name": "Drug Cocktail",
          "type": "DRUG"
        },
        {
          "name": "Abemaciclib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2016-03-08",
      "completion_date": "2021-01-06",
      "has_results": true,
      "last_update_posted_date": "2022-10-18",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 5,
      "location_summary": "Denver, Colorado • Indianapolis, Indiana • Fairway, Kansas + 2 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Fairway",
          "state": "Kansas"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02688088"
    },
    {
      "nct_id": "NCT03131973",
      "title": "Effects of Concomitant Administration of BMS-986195 on Methotrexate, Caffeine, Montelukast, Flurbiprofen, Omeprazole, Midazolam, Digoxin, and Pravastatin",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rheumatoid Arthritis"
      ],
      "interventions": [
        {
          "name": "BMS-986195",
          "type": "DRUG"
        },
        {
          "name": "Methotrexate",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Montelukast",
          "type": "DRUG"
        },
        {
          "name": "Flurbiprofen",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Digoxin",
          "type": "DRUG"
        },
        {
          "name": "Pravastatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 26,
      "start_date": "2017-05-13",
      "completion_date": "2017-11-10",
      "has_results": false,
      "last_update_posted_date": "2017-12-15",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03131973"
    },
    {
      "nct_id": "NCT02578277",
      "title": "Study on Effects of BMS-955176 on the Pharmacokinetics of Probe Substrates",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "CYP and transporter probe substrates",
          "type": "DRUG"
        },
        {
          "name": "BMS-955176",
          "type": "DRUG"
        },
        {
          "name": "BMS-955176 plus CYP and transporter probe substrates",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ViiV Healthcare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 59,
      "start_date": "2015-11-09",
      "completion_date": "2015-12-23",
      "has_results": false,
      "last_update_posted_date": "2018-07-13",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02578277"
    },
    {
      "nct_id": "NCT02520752",
      "title": "A DDI Study to Assess the Effect of INC280 on the PK of Midazolam and Caffeine in Patients With cMET-dysregulated Advanced Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "cMET-dysregulated Advanced Solid Tumors"
      ],
      "interventions": [
        {
          "name": "INC280",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2015-12-10",
      "completion_date": "2017-09-12",
      "has_results": false,
      "last_update_posted_date": "2020-12-10",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • St Louis, Missouri",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02520752"
    },
    {
      "nct_id": "NCT02567682",
      "title": "Drug Interaction Study of GBT440 With Caffeine, S-warfarin, Omeprazole, and Midazolam in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "GBT440",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Global Blood Therapeutics",
      "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": 24,
      "start_date": "2015-09",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2017-04-12",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02567682"
    },
    {
      "nct_id": "NCT00011635",
      "title": "The Effect of Milk Thistle on the Pharmacokinetics of Indinavir",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV Infection",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Silymarin (milk thistle)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2001-02",
      "completion_date": "2001-06",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00011635"
    },
    {
      "nct_id": "NCT01290380",
      "title": "A Study to Evaluate the Effects of ASA404 Alone or in Combination With Taxane-based Chemotherapies on the Pharmacokinetics of Drugs in Patients With Advanced Solid Tumor Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Solid Tumor Malignancies"
      ],
      "interventions": [
        {
          "name": "ASA404, DMXAA, DXAA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2010-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2011-09-02",
      "last_synced_at": "2026-10-04T12:58:24.286Z",
      "location_count": 2,
      "location_summary": "Houston, Texas • Madison, Wisconsin",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01290380"
    }
  ]
}