{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Muscular+Endurance&page=2",
    "query": {
      "condition": "Muscular Endurance",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Muscular+Endurance&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T17:27:18.326Z",
  "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": "NCT07225608",
      "title": "The Acute Effects of Liquid IV's Pre-Workout Supplement on Muscle Endurance & Strength, Energy, and Cognition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Physical Performance",
        "Exercise Performance",
        "Endurance Exercise",
        "Perceived Exertion",
        "Mood",
        "Energy"
      ],
      "interventions": [
        {
          "name": "proprietary pre-workout supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Applied Science & Performance Institute",
      "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": 27,
      "start_date": "2025-12-01",
      "completion_date": "2026-02-09",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07225608"
    },
    {
      "nct_id": "NCT06795425",
      "title": "A Randomized, Double-Blind Study to Assess the Effect of a Postbiotic on Oxidative Stress and Exercise Performance",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oxidative Stress",
        "Healthy",
        "Exercise-induced Muscle Damage",
        "Exercise-induced Muscle Soreness",
        "Immune Function",
        "Gut Health",
        "Microbiome Analysis",
        "Exercise Performance",
        "Exercise Metabolism"
      ],
      "interventions": [
        {
          "name": "Postbiotic Active Lifestyle Blend",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Lindenwood University",
      "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": 80,
      "start_date": "2025-02-01",
      "completion_date": "2026-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-28",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06795425"
    },
    {
      "nct_id": "NCT02162927",
      "title": "Dietary Nitrate Supplementation and Crossfit Athletes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Performance"
      ],
      "interventions": [
        {
          "name": "Dietary Nitrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Potassium Chloride (placebo)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "20 Years to 35 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2014-08",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2015-03-04",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 2,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        },
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02162927"
    },
    {
      "nct_id": "NCT04984226",
      "title": "Sodium Bicarbonate and Mitochondrial Energetics in Persons With CKD",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Kidney Diseases",
        "Metabolic Acidosis",
        "Fatigue",
        "Physical Endurance",
        "Insulin Resistance",
        "Mitochondrial Energetics",
        "Diabetes"
      ],
      "interventions": [
        {
          "name": "Sodium bicarbonate",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "21 Years to 85 Years"
      },
      "enrollment_count": 80,
      "start_date": "2023-09-08",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 2,
      "location_summary": "Sacramento, California • Nashville, Tennessee",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04984226"
    },
    {
      "nct_id": "NCT01489930",
      "title": "Effects of Resistance and Endurance Training on Synthesis of Individual Muscle Proteins in Young and Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "Endurance exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Resistance exercise",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control/Combined training",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 67,
      "start_date": "2008-05",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2011-12-12",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01489930"
    },
    {
      "nct_id": "NCT04770987",
      "title": "Lateral Neck Flexor Endurance and Hyperlaxity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Physical Endurance",
        "Hypermobility, Joint",
        "Muscular Weakness"
      ],
      "interventions": [
        {
          "name": "lateral neck flexor endurance test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Hartford",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-02-26",
      "completion_date": "2021-07-16",
      "has_results": false,
      "last_update_posted_date": "2021-07-22",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 1,
      "location_summary": "West Hartford, Connecticut",
      "locations": [
        {
          "city": "West Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04770987"
    },
    {
      "nct_id": "NCT06465407",
      "title": "Collagen Protein Versus Placebo on Muscle Recovery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anthropometrics: Height and Weight",
        "Isometric Standing and Seated Plantarflexion",
        "Calf Muscle Thickness",
        "Achilles Tendon Length and Thickness",
        "Myotonography of the Calf Musculature and Achilles Tendon",
        "Pain Pressure Threshold of the Calf",
        "Pain Scale",
        "Endurance Calf Test",
        "Dietary Analysis"
      ],
      "interventions": [
        {
          "name": "Collagen",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Maltodextrin",
          "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": "30 Years",
        "sex": "MALE",
        "summary": "18 Years to 30 Years · Male only"
      },
      "enrollment_count": 36,
      "start_date": "2024-07-01",
      "completion_date": "2024-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-06-18",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 1,
      "location_summary": "Orlando, Florida",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06465407"
    },
    {
      "nct_id": "NCT04691986",
      "title": "Impacts of Nicotinamide Riboside on Functional Capacity and Muscle Physiology in Older Veterans",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcopenia",
        "Nicotinamide Adenine Dinucleotide Concentration",
        "Muscle Quality and NAD+ Content"
      ],
      "interventions": [
        {
          "name": "Nicotinamide Riboside",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 74,
      "start_date": "2023-09-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04691986"
    },
    {
      "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": "2026-09-25T17:27:18.326Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02255201"
    },
    {
      "nct_id": "NCT01401842",
      "title": "Reduction of Risk for Low Back Injury in Theater of Operations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lower Back Injury"
      ],
      "interventions": [
        {
          "name": "Lumbar ext. high intensity progressive resistance exercise",
          "type": "OTHER"
        },
        {
          "name": "Low intensity core stabilization exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of South 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": 582,
      "start_date": "2012-06",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2015-05-25",
      "last_synced_at": "2026-09-25T17:27:18.326Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • Fort Sam Houston, Texas",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Fort Sam Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01401842"
    }
  ]
}