{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Resistant+starch",
    "query": {
      "intervention": "Resistant starch"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 65,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Resistant+starch&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T05:28:59.597Z",
  "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": "NCT01521806",
      "title": "Effects of Dietary Fiber on Insulin Sensitivity",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Focus of the Study is Insulin Sensitivity"
      ],
      "interventions": [
        {
          "name": "Dietary Fiber",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ingredion Incorporated",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "19 Years to 70 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2012-01",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2012-01-31",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01521806"
    },
    {
      "nct_id": "NCT04277741",
      "title": "Long-term Consumption of Resistant Starch Type-4 (RS4)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cholesterol, Elevated",
        "Overweight or Obesity"
      ],
      "interventions": [
        {
          "name": "RS4 bar",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control bar",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Kansas State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-02-18",
      "completion_date": "2023-06-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Manhattan, Kansas",
      "locations": [
        {
          "city": "Manhattan",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04277741"
    },
    {
      "nct_id": "NCT06464952",
      "title": "Microbiome Modulation With Prebiotics in PTSD and Cirrhosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cirrhosis",
        "PTSD"
      ],
      "interventions": [
        {
          "name": "Resistant potato starch",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Powdered cellulose",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Hunter Holmes Mcguire Veteran Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2024-07-31",
      "completion_date": "2027-09-25",
      "has_results": false,
      "last_update_posted_date": "2026-04-09",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06464952"
    },
    {
      "nct_id": "NCT05820893",
      "title": "Resistant Potato Starch to Alleviate GWI",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gulf War Illness"
      ],
      "interventions": [
        {
          "name": "Resistant Potato Starch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 52,
      "start_date": "2025-02-03",
      "completion_date": "2028-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05820893"
    },
    {
      "nct_id": "NCT03689738",
      "title": "Effects of Potato Resistant Starch Intake on Insulin Sensitivity, Related Metabolic Markers and Satiety",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Insulin Sensitivity",
        "Lipid Metabolism",
        "Resistant Starch",
        "Potato"
      ],
      "interventions": [
        {
          "name": "Potato (Resistant Starch)",
          "type": "OTHER"
        },
        {
          "name": "CHO-matched (Low-fiber, RS-free)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Midwest Center for Metabolic and Cardiovascular Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "74 Years",
        "sex": "ALL",
        "summary": "18 Years to 74 Years"
      },
      "enrollment_count": 24,
      "start_date": "2018-09-24",
      "completion_date": "2019-02-20",
      "has_results": false,
      "last_update_posted_date": "2019-07-25",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Boca Raton, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03689738"
    },
    {
      "nct_id": "NCT03058575",
      "title": "Effects of a Novel Food Product Containing Microbiota Accessible Carbohydrates on the Human Microbiome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gut Microbiome"
      ],
      "interventions": [
        {
          "name": "Dietary MACs",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Access Business Group",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "40 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2017-01-16",
      "completion_date": "2017-09-30",
      "has_results": false,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03058575"
    },
    {
      "nct_id": "NCT01338571",
      "title": "Horton & Maizy Pilot Study for Resistant to Starch",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "pH",
        "Weight Gain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "5 Years to 15 Years"
      },
      "enrollment_count": 4,
      "start_date": "2008-02",
      "completion_date": "2008-07",
      "has_results": false,
      "last_update_posted_date": "2015-12-18",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01338571"
    },
    {
      "nct_id": "NCT03925597",
      "title": "Multiomic Signatures of Microbial Metabolites Following Prebiotic Fiber Supplementation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prebiotics"
      ],
      "interventions": [
        {
          "name": "Fiber cycles ARM 1",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 2",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 4",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 5",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 6",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 7",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 8",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 9",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 10",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 11",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 12",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 13",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 14",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 15",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 16",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 17",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 18",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 19",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 20",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 21",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 22",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 23",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fiber cycles ARM 24",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 100,
      "start_date": "2020-01-21",
      "completion_date": "2025-08-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-26",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03925597"
    },
    {
      "nct_id": "NCT01771926",
      "title": "Lifestyle Modification and Potato Consumption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "potatoes",
          "type": "OTHER"
        },
        {
          "name": "other carbohydrate",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "USDA Grand Forks Human Nutrition Research Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 107,
      "start_date": "2013-02",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2018-08-03",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Grand Forks, North Dakota",
      "locations": [
        {
          "city": "Grand Forks",
          "state": "North Dakota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01771926"
    },
    {
      "nct_id": "NCT04939792",
      "title": "Optimization of Blood Levels of 25(OH)-Vitamin D in African Americans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Vitamin D + L-cysteine",
          "type": "DRUG"
        },
        {
          "name": "L-cysteine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Louisiana State University Health Sciences Center Shreveport",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 165,
      "start_date": "2020-11-06",
      "completion_date": "2022-10-31",
      "has_results": false,
      "last_update_posted_date": "2023-06-08",
      "last_synced_at": "2026-09-02T05:28:59.597Z",
      "location_count": 1,
      "location_summary": "Shreveport, Louisiana",
      "locations": [
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04939792"
    }
  ]
}