{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Start%3A+On+Caffeine",
    "query": {
      "intervention": "Start: On Caffeine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Start%3A+On+Caffeine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T19:40:49.699Z",
  "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": "NCT06104280",
      "title": "Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use Disorder",
        "Sleep Disturbance"
      ],
      "interventions": [
        {
          "name": "Post-Illumination Pupillary Response (PIPR)",
          "type": "OTHER"
        },
        {
          "name": "Polysomnography",
          "type": "OTHER"
        },
        {
          "name": "Multiple Sleep Latency Test",
          "type": "OTHER"
        },
        {
          "name": "Ecological Momentary Assessments",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Actigraphy",
          "type": "DEVICE"
        },
        {
          "name": "DLMO",
          "type": "OTHER"
        },
        {
          "name": "Melatonin Suppression Test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "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": 200,
      "start_date": "2025-01-06",
      "completion_date": "2029-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06104280"
    },
    {
      "nct_id": "NCT02167750",
      "title": "Effect of Phytochemicals on Aspects of Cognitive Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Performance"
      ],
      "interventions": [
        {
          "name": "Cherry Flavored Beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "PepsiCo Global R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "17 Years to 50 Years"
      },
      "enrollment_count": 30,
      "start_date": "2014-04",
      "completion_date": "2015-01-15",
      "has_results": false,
      "last_update_posted_date": "2021-03-10",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02167750"
    },
    {
      "nct_id": "NCT03870126",
      "title": "Dose Effect of a Plant Extract on Fatigue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mental Energy",
        "Physical Performance"
      ],
      "interventions": [
        {
          "name": "Flavored beverage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "PepsiCo Global R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 28,
      "start_date": "2019-01-29",
      "completion_date": "2019-12-06",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Athens, Georgia",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03870126"
    },
    {
      "nct_id": "NCT01672502",
      "title": "Fire Fighter Fatigue Management Program: Operation Fight Fatigue",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shift-Work Sleep Disorder",
        "Insomnia",
        "Restless Leg Syndrome",
        "Obstructive Sleep Apnea",
        "Impaired Driving"
      ],
      "interventions": [
        {
          "name": "Sleep health education provided via a web-based program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep disorder detection and treatment",
          "type": "OTHER"
        },
        {
          "name": "Optimization of Sleep in Fire Station",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 620,
      "start_date": "2012-09",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01672502"
    },
    {
      "nct_id": "NCT03954210",
      "title": "SIESTA: Sleep Intervention to Enhance Cognitive Status and Reduce Beta Amyloid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy for Insomnia (CBT-I)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep and Lifestyle Education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 200,
      "start_date": "2019-08-27",
      "completion_date": "2025-04-18",
      "has_results": true,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03954210"
    },
    {
      "nct_id": "NCT01030796",
      "title": "Quitting Caffeine for Better Glucose Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Caffeine abstinence",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2009-12",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2011-02-07",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01030796"
    },
    {
      "nct_id": "NCT03321734",
      "title": "Intermittent Hypoxia and Caffeine in Infants Born Preterm",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Intermittent Hypoxia"
      ],
      "interventions": [
        {
          "name": "Caffeine",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Children's National Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "32 Weeks",
        "maximum_age": "36 Weeks",
        "sex": "ALL",
        "summary": "32 Weeks to 36 Weeks"
      },
      "enrollment_count": 170,
      "start_date": "2019-01-18",
      "completion_date": "2023-06-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-01",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 15,
      "location_summary": "Loma Linda, California • Washington D.C., District of Columbia • Orlando, Florida + 11 more",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        },
        {
          "city": "Honolulu",
          "state": "Hawaii"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03321734"
    },
    {
      "nct_id": "NCT05519644",
      "title": "Strategies to Augment Ketosis: Ketone Conferred Resiliency Against Sleep Restriction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Deprivation"
      ],
      "interventions": [
        {
          "name": "Sleep Deprivation",
          "type": "OTHER"
        },
        {
          "name": "Heart Rate",
          "type": "OTHER"
        },
        {
          "name": "Sleep Monitoring",
          "type": "OTHER"
        },
        {
          "name": "Diet",
          "type": "OTHER"
        },
        {
          "name": "Exercise Performance",
          "type": "OTHER"
        },
        {
          "name": "Surveys, McGill Pain Questionnaire, Shortened Profile of Mood States, Pittsburg Sleep Index",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive performance",
          "type": "OTHER"
        },
        {
          "name": "Marksmanship Performance",
          "type": "OTHER"
        },
        {
          "name": "Quick Board",
          "type": "OTHER"
        },
        {
          "name": "Advanced Medical Technologies Inc, Jump Test",
          "type": "OTHER"
        },
        {
          "name": "CGM/CKM",
          "type": "OTHER"
        },
        {
          "name": "Blood Draw",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Ketone Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL",
        "BIOLOGICAL",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-06-20",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05519644"
    },
    {
      "nct_id": "NCT05816590",
      "title": "Meds@HOME App to Support Medication Safety",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Medication Errors and Other Product Use Errors and Issues"
      ],
      "interventions": [
        {
          "name": "Med@HOME Mobile App",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 336,
      "start_date": "2023-12-11",
      "completion_date": "2025-05-06",
      "has_results": false,
      "last_update_posted_date": "2025-05-25",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05816590"
    },
    {
      "nct_id": "NCT05184933",
      "title": "Sleep and Circadian Mechanisms in Hypertension",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension",
        "Cardiovascular Diseases",
        "Cardiovascular Risk Factors",
        "Circadian Rhythms",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "At-home Polysomnography",
          "type": "OTHER"
        },
        {
          "name": "Circadian Protocol",
          "type": "OTHER"
        },
        {
          "name": "Rested Wakefulness Trial",
          "type": "OTHER"
        },
        {
          "name": "Overnight Sleep Trial",
          "type": "OTHER"
        },
        {
          "name": "Regularized Sleep Schedule",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "25 Years to 64 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-08-04",
      "completion_date": "2029-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-11",
      "last_synced_at": "2026-09-16T19:40:49.699Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05184933"
    }
  ]
}