{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Caffeine+Blend",
    "query": {
      "intervention": "Caffeine Blend"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Caffeine+Blend&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T17:05:29.585Z",
  "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": "NCT02401776",
      "title": "Effect of Caffeine on Heart Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fatigue",
        "Tachycardia"
      ],
      "interventions": [
        {
          "name": "Monster Energy Drink",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Coffee",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Texas at Austin",
      "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": 30,
      "start_date": "2014-03",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2016-10-18",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02401776"
    },
    {
      "nct_id": "NCT03949296",
      "title": "Mindfulness Meditation in Treating Insomnia in Multiple Sclerosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insomnia Chronic",
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Mindfulness Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sleep Hygiene",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Griffin Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 49,
      "start_date": "2017-12-11",
      "completion_date": "2019-12-16",
      "has_results": false,
      "last_update_posted_date": "2020-02-26",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Derby, Connecticut",
      "locations": [
        {
          "city": "Derby",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03949296"
    },
    {
      "nct_id": "NCT06384586",
      "title": "Investigation of Dietary Supplement Liquid Shot Products on Mental Energy, Cognition (Acuity),and Mood",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognition",
        "Mental Fatigue",
        "Mood"
      ],
      "interventions": [
        {
          "name": "Placebo shot",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Functional energy shot",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The Water Street Collective",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 45,
      "start_date": "2022-11-17",
      "completion_date": "2022-12-22",
      "has_results": false,
      "last_update_posted_date": "2024-04-25",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Iselin, New Jersey",
      "locations": [
        {
          "city": "Iselin",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06384586"
    },
    {
      "nct_id": "NCT04455009",
      "title": "Acute Effects of Fitness Drink Formulas on Energy Expenditure and Fat Metabolism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Caffeine",
        "Diet, Healthy",
        "Fat Burn",
        "Cognitive Change",
        "Fatigue"
      ],
      "interventions": [
        {
          "name": "Fitness Drink Formula",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Central Florida",
      "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": 56,
      "start_date": "2018-03-08",
      "completion_date": "2018-11-28",
      "has_results": false,
      "last_update_posted_date": "2020-07-02",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04455009"
    },
    {
      "nct_id": "NCT04230824",
      "title": "Chronic Study on Body Composition, Training, Performance, and Recovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Damage Muscle",
        "Body Weight Changes",
        "Performance Enhancing Product Use"
      ],
      "interventions": [
        {
          "name": "Pre-workout plus and Protein recovery plus",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "6-week resistance training program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Pharmanex",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "25 Years to 50 Years"
      },
      "enrollment_count": 69,
      "start_date": "2021-02-01",
      "completion_date": "2022-01-01",
      "has_results": false,
      "last_update_posted_date": "2022-01-13",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04230824"
    },
    {
      "nct_id": "NCT03019523",
      "title": "The Effect of a Caffeine Blend on Reaction Time, Mental Performance and Focus in Athletic Males",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mental Fatigue"
      ],
      "interventions": [
        {
          "name": "Caffeine Blend",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sugar Pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Mary Hardin-Baylor",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "MALE",
        "summary": "18 Years to 25 Years · Male only"
      },
      "enrollment_count": 31,
      "start_date": "2016-08",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-01-25",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Belton, Texas",
      "locations": [
        {
          "city": "Belton",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03019523"
    },
    {
      "nct_id": "NCT02255201",
      "title": "Pre-Workout on Exercise Performance and Cognition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Master Performance Blend Dose 1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Master Performance Blend Dose 2",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Performance Energy Blend",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Energy Blend",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Miami Research Associates",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "18 Years to 40 Years · Male only"
      },
      "enrollment_count": 24,
      "start_date": "2014-10",
      "completion_date": "2015-01",
      "has_results": false,
      "last_update_posted_date": "2015-04-07",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02255201"
    },
    {
      "nct_id": "NCT05820399",
      "title": "Guayusa Extract on Exercise Training",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Desire to Exercise",
        "Exercise Training",
        "Physical Exertion"
      ],
      "interventions": [
        {
          "name": "Organic Guayusa Extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Nathaniel Jenkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 57,
      "start_date": "2022-09-05",
      "completion_date": "2022-11-18",
      "has_results": false,
      "last_update_posted_date": "2023-04-19",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05820399"
    },
    {
      "nct_id": "NCT04230226",
      "title": "Acute Study on Muscle Soreness, Damage, and Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Soreness, Muscle",
        "Performance Enhancing Product Use",
        "Damage Muscle"
      ],
      "interventions": [
        {
          "name": "Pre-workout plus and protein recovery plus",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Pharmanex",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "25 Years to 50 Years"
      },
      "enrollment_count": 32,
      "start_date": "2020-01-21",
      "completion_date": "2020-09-16",
      "has_results": false,
      "last_update_posted_date": "2020-11-17",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04230226"
    },
    {
      "nct_id": "NCT04988919",
      "title": "Consumption of 4D Dietary Supplement on Perceptual-Cognitive and Visual-Motor Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Supplementation"
      ],
      "interventions": [
        {
          "name": "4D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Central Florida",
      "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": 24,
      "start_date": "2021-07-26",
      "completion_date": "2021-10-04",
      "has_results": false,
      "last_update_posted_date": "2021-10-08",
      "last_synced_at": "2026-09-10T17:05:29.585Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04988919"
    }
  ]
}