{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Energy+Deficit",
    "query": {
      "condition": "Energy Deficit"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Energy+Deficit&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T18:57:05.148Z",
  "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": "NCT01292395",
      "title": "Effects of Dietary Protein on Musculoskeletal Health During Calorie Deficiency",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss",
        "Muscle Loss",
        "Bone Loss"
      ],
      "interventions": [
        {
          "name": "Dietary Protein Intake",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "42 Years",
        "sex": "ALL",
        "summary": "18 Years to 42 Years"
      },
      "enrollment_count": 42,
      "start_date": "2010-09",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2017-08-14",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01292395"
    },
    {
      "nct_id": "NCT01749449",
      "title": "Increased Dietary Protein and Meal Frequency Reduces Total and Abdominal Body Fat During Weight Maintenance and Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "protein and meal frequency",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Skidmore College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "30 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2005-01",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2012-12-13",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Saratoga Springs, New York",
      "locations": [
        {
          "city": "Saratoga Springs",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01749449"
    },
    {
      "nct_id": "NCT05857956",
      "title": "A Clinical Trial to Assess the Efficacy of a Plant-based Energy Shot on Focus and ADHD-like Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ADHD",
        "Attention Difficulties",
        "Mood",
        "Anxiety",
        "Caffeine"
      ],
      "interventions": [
        {
          "name": "Proper Wild energy shot",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Proper Wild, 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": 40,
      "start_date": "2023-02-24",
      "completion_date": "2023-04-11",
      "has_results": false,
      "last_update_posted_date": "2023-05-15",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05857956"
    },
    {
      "nct_id": "NCT04621175",
      "title": "Effects of Essential Amino Acid-enriched Whey and Carbohydrate Co-ingestion on Protein Kinetics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Energy Deficit"
      ],
      "interventions": [
        {
          "name": "EAA+W & Carbohydrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "EAA+W & EAA",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 17,
      "start_date": "2020-09-09",
      "completion_date": "2022-08-23",
      "has_results": false,
      "last_update_posted_date": "2025-01-27",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Natick, Massachusetts",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04621175"
    },
    {
      "nct_id": "NCT07517562",
      "title": "The Effects of Acute Erythropoietin on Hepcidin and Dietary Iron Absorption Following Military-relevant Exercise in Energy Deficit: Pilot Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Iron Absorption"
      ],
      "interventions": [
        {
          "name": "Exercise test",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "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": 6,
      "start_date": "2025-09-01",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-08",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07517562"
    },
    {
      "nct_id": "NCT07597980",
      "title": "Lifestyle Intervention to Improve Muscle Function in Older Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Body Composition",
        "Physical Function",
        "Energy Balance"
      ],
      "interventions": [
        {
          "name": "Structured nutrition plan",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Typical or usual diet",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Supervised Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2026-07",
      "completion_date": "2030-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07597980"
    },
    {
      "nct_id": "NCT02734238",
      "title": "Physiological and Psychological Effects of Testosterone During Severe Energy Deficit and Recovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Caloric Restriction",
        "Exercise"
      ],
      "interventions": [
        {
          "name": "Sesame Oil",
          "type": "DRUG"
        },
        {
          "name": "testosterone enanthate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "MALE",
        "summary": "18 Years to 39 Years · Male only"
      },
      "enrollment_count": 53,
      "start_date": "2016-04",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2019-01-16",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02734238"
    },
    {
      "nct_id": "NCT04004715",
      "title": "Effects of Protein Quality on Post-exercise Skeletal Muscle and Whole-body Protein Kinetics During Energy Deficit",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Whole-body Protein Balance",
        "Muscle Protein Synthesis"
      ],
      "interventions": [
        {
          "name": "Essential Amino Acid Enriched Whey Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Whey Protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Military Ration Entree",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 10,
      "start_date": "2019-04-25",
      "completion_date": "2019-12-13",
      "has_results": false,
      "last_update_posted_date": "2020-03-12",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Natick, Massachusetts",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04004715"
    },
    {
      "nct_id": "NCT04910724",
      "title": "Effects of Varying Energy Deficits on Protein Turnover at Rest and Carbohydrate Oxidation During Steady-state Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Energy Supply; Deficiency, Severe",
        "Energy Supply; Deficiency",
        "Stress, Physiological"
      ],
      "interventions": [
        {
          "name": "Energy Deficit",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "United States Army Research Institute of Environmental Medicine",
      "sponsor_class": "FED",
      "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": "2022-08-16",
      "completion_date": "2024-03-07",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Natick, Massachusetts",
      "locations": [
        {
          "city": "Natick",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04910724"
    },
    {
      "nct_id": "NCT06792500",
      "title": "A Basket Clinical Study to Assess Glycerol Tributyrate in Patients With Mitochondrial Encephalopathy, Lactic Acidosis, Stroke-like Episodes (MELAS) or Leber's Hereditary Optic Neuropathy-Plus (LHON-Plus)",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "MELAS Syndrome",
        "Lebers Hereditory Optic Neuropathy With Extra Ocular Symptoms (LHON-Plus)"
      ],
      "interventions": [
        {
          "name": "Glycerol Tributyrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 24,
      "start_date": "2026-10",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-07-23T18:57:05.148Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06792500"
    }
  ]
}