{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Caffeine+Tablet",
    "query": {
      "intervention": "Caffeine Tablet"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 46,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Caffeine+Tablet&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T09:41:46.820Z",
  "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": "NCT04813276",
      "title": "Efficacy of a Self-advocacy Serious Game Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Self-Management",
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Strong Together serious game",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Care as Usual",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pittsburgh",
      "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": 344,
      "start_date": "2022-08-22",
      "completion_date": "2026-06-11",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04813276"
    },
    {
      "nct_id": "NCT02411318",
      "title": "Influence of Lifestyle Factors on Neutrophil Migration Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neutrophil Chemotactic Response"
      ],
      "interventions": [
        {
          "name": "Exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "ProLab 200mg caffeine capsule",
          "type": "DRUG"
        },
        {
          "name": "Ethanol ingestion",
          "type": "OTHER"
        },
        {
          "name": "Glucose Tolerance Drink",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 47,
      "start_date": "2014-09-25",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-12-17",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02411318"
    },
    {
      "nct_id": "NCT06763172",
      "title": "Effects of Caffeine on Reinforcement Learning in Healthy Adults Using PET/MRI",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy",
        "Caffeine",
        "Adenosine",
        "Dopamine D2/3 Receptor Availability"
      ],
      "interventions": [
        {
          "name": "Caffeine (200 mg)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hsiao-Ying Wey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 12,
      "start_date": "2023-05-17",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-09",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06763172"
    },
    {
      "nct_id": "NCT01929031",
      "title": "Efficacy and Safety of Ibuprofen and Caffeine in Dental Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Tooth Diseases"
      ],
      "interventions": [
        {
          "name": "ibuprofen + caffeine",
          "type": "DRUG"
        },
        {
          "name": "ibuprofen",
          "type": "DRUG"
        },
        {
          "name": "caffeine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 562,
      "start_date": "2013-08",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2016-11-16",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01929031"
    },
    {
      "nct_id": "NCT06215430",
      "title": "A Study of Effect of Multiple Doses of LOXO-305 on the Pharmacokinetics of Single Oral Doses of CYP1A2, CYP2C9, CYP2C19 Substrates in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Caffeine Tablet",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole capsule",
          "type": "DRUG"
        },
        {
          "name": "Warfarin tablet",
          "type": "DRUG"
        },
        {
          "name": "Pirtobrutinib",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Eli Lilly and Company",
      "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": "2021-01-11",
      "completion_date": "2021-04-15",
      "has_results": true,
      "last_update_posted_date": "2025-03-10",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06215430"
    },
    {
      "nct_id": "NCT04872270",
      "title": "Pain Management After Shoulder Arthroplasty",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Caffeine",
        "Pain, Joint"
      ],
      "interventions": [
        {
          "name": "Total Shoulder Arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "Caffeine Pill",
          "type": "DRUG"
        },
        {
          "name": "Percocet 10Mg-325Mg Tablet",
          "type": "DRUG"
        },
        {
          "name": "Zofran 4Mg Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2021-04-15",
      "completion_date": "2022-04-15",
      "has_results": false,
      "last_update_posted_date": "2021-05-04",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04872270"
    },
    {
      "nct_id": "NCT02655614",
      "title": "A Study of GDC-0134 to Determine Initial Safety, Tolerability, and Pharmacokinetic Parameters in Participants With Amyotrophic Lateral Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "GDC-0134",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Rabeprazole",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Caffeine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Genentech, Inc.",
      "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": "2016-05-31",
      "completion_date": "2020-03-16",
      "has_results": false,
      "last_update_posted_date": "2020-08-06",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 8,
      "location_summary": "San Francisco, California • Jacksonville, Florida • Miami, Florida + 5 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02655614"
    },
    {
      "nct_id": "NCT03358706",
      "title": "A Study to Evaluate the Effect of Ustekinumab on Cytochrome P450 Enzyme Activities Following Induction and Maintenance Dosing in Participants With Active Crohn's Disease or Ulcerative Colitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Crohn Disease",
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Ustekinumab IV Infusion",
          "type": "DRUG"
        },
        {
          "name": "Ustekinumab SC Injection",
          "type": "DRUG"
        },
        {
          "name": "Midazolam 2 mg",
          "type": "DRUG"
        },
        {
          "name": "Warfarin 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Vitamin K 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole 20 mg",
          "type": "DRUG"
        },
        {
          "name": "Dextromethorphan 30 mg",
          "type": "DRUG"
        },
        {
          "name": "Caffeine 100 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Janssen Research & Development, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 28,
      "start_date": "2018-02-02",
      "completion_date": "2021-11-22",
      "has_results": false,
      "last_update_posted_date": "2025-08-21",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 3,
      "location_summary": "Cypress, California • Miami Springs, Florida • Durham, North Carolina",
      "locations": [
        {
          "city": "Cypress",
          "state": "California"
        },
        {
          "city": "Miami Springs",
          "state": "Florida"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03358706"
    },
    {
      "nct_id": "NCT03675412",
      "title": "Caffeine Consumption in Glaucoma Patients and Healthy Subjects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma, Primary Open Angle"
      ],
      "interventions": [
        {
          "name": "Caffeine tablet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2018-12-30",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-20",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03675412"
    },
    {
      "nct_id": "NCT01435837",
      "title": "Interaction of Caffeine and Hydration on Voice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Voice Disorders"
      ],
      "interventions": [
        {
          "name": "C2 (200mg of caffeine; 1/2 L of water)",
          "type": "DRUG"
        },
        {
          "name": "C3(200mg of caffeine; 1 L of water)",
          "type": "DRUG"
        },
        {
          "name": "C1 (200mg of caffeine, no water)",
          "type": "DRUG"
        },
        {
          "name": "Placebo (no caffeine, no water).",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Southern Illinois University Carbondale",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 80,
      "start_date": "2010-10",
      "completion_date": "2013-05",
      "has_results": false,
      "last_update_posted_date": "2013-06-11",
      "last_synced_at": "2026-09-02T09:41:46.820Z",
      "location_count": 1,
      "location_summary": "Carbondale, Illinois",
      "locations": [
        {
          "city": "Carbondale",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01435837"
    }
  ]
}