{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diet+History+Questionnaire",
    "query": {
      "intervention": "Diet History Questionnaire"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 37,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diet+History+Questionnaire&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-16T22:03:44.210Z",
  "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": "NCT03626246",
      "title": "Pathogenesis of Compromised Bone Quality and Mechanics in Chronic Kidney Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease",
        "End Stage Kidney Disease",
        "Chronic Kidney Disease Mineral and Bone Disorder",
        "Renal Osteodystrophy",
        "Secondary Hyperparathyroidism"
      ],
      "interventions": [
        {
          "name": "Kidney disease",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2016-07-01",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2021-07-13",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03626246"
    },
    {
      "nct_id": "NCT05524844",
      "title": "The Microbiome, Bile Acids, and Notch in Barrett's Esophagus (BE)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Barrett Esophagus",
        "Esophageal Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "Sample Collection",
          "type": "OTHER"
        },
        {
          "name": "Endoscopy results",
          "type": "OTHER"
        },
        {
          "name": "Dietary questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2021-02-09",
      "completion_date": "2024-11-01",
      "has_results": false,
      "last_update_posted_date": "2025-05-11",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05524844"
    },
    {
      "nct_id": "NCT01119560",
      "title": "Genetic Susceptibility Biomarkers in Children With Neuroblastoma (Also Known as Neuroblastoma Epidemiology in North America [NENA])",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Neuroblastoma"
      ],
      "interventions": [
        {
          "name": "Cytology Specimen Collection Procedure",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 576,
      "start_date": "2009-02-03",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-01-08",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 141,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 119 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Downey",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01119560"
    },
    {
      "nct_id": "NCT00625690",
      "title": "CT Scans in Screening for Lung Cancer in Current and Former Smokers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "computed tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "evaluation of cancer risk factors",
          "type": "PROCEDURE"
        },
        {
          "name": "study of high risk factors",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "University of Nebraska",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "19 Years to 120 Years"
      },
      "enrollment_count": 100,
      "start_date": "2005-05-19",
      "completion_date": "2012-12-01",
      "has_results": false,
      "last_update_posted_date": "2023-09-26",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00625690"
    },
    {
      "nct_id": "NCT04155008",
      "title": "Nutrition and Pharmacological Algorithm for Oncology Patients Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Oncologic Complications",
        "Quality of Life",
        "Nutrition Poor",
        "Head and Neck Cancer",
        "Lung Cancer",
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Dronabinol",
          "type": "DRUG"
        },
        {
          "name": "Mirtazapine",
          "type": "DRUG"
        },
        {
          "name": "Nutrition Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2021-03-01",
      "completion_date": "2021-04-05",
      "has_results": true,
      "last_update_posted_date": "2022-11-16",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155008"
    },
    {
      "nct_id": "NCT03783390",
      "title": "Brain, Appetite, Teens, and Exercise",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Energy Balance",
        "Appetitive Behavior",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Exercise Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Newsletter",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Children's Mercy Hospital Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "14 Years to 17 Years"
      },
      "enrollment_count": 19,
      "start_date": "2018-09-01",
      "completion_date": "2019-08-10",
      "has_results": false,
      "last_update_posted_date": "2020-05-14",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03783390"
    },
    {
      "nct_id": "NCT07873437",
      "title": "The Effect of Nutrient Sequencing in Healthy Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pre Diabetes"
      ],
      "interventions": [
        {
          "name": "Finger Prick- Blood Glucose",
          "type": "PROCEDURE"
        },
        {
          "name": "Whole Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Diet History Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical Activity Assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "Cornell University",
      "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": 40,
      "start_date": "2026-09-01",
      "completion_date": "2028-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 1,
      "location_summary": "Ithaca, New York",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07873437"
    },
    {
      "nct_id": "NCT02457104",
      "title": "The Effect of PPI Therapy on Weight, Gut Microbiome, and Expression of GPR41 and GPR43",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Gastroesophageal Reflux Disease",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Colonoscopy",
          "type": "PROCEDURE"
        },
        {
          "name": "Weight and diet questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "59 Years",
        "sex": "ALL",
        "summary": "40 Years to 59 Years"
      },
      "enrollment_count": 120,
      "start_date": "2015-06",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2021-02-18",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02457104"
    },
    {
      "nct_id": "NCT06030427",
      "title": "Virtual Mindfulness and Weight Management to Mitigate Risk of Relapse and Improve Wellbeing in Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hematopoietic and Lymphoid System Neoplasm",
        "Malignant Solid Neoplasm",
        "Obesity-Related Malignant Neoplasm"
      ],
      "interventions": [
        {
          "name": "Behavioral Dietary Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Health Promotion and Education",
          "type": "OTHER"
        },
        {
          "name": "Internet-Based Intervention",
          "type": "OTHER"
        },
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Mindfulness Relaxation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2023-09-08",
      "completion_date": "2024-01-02",
      "has_results": false,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 1,
      "location_summary": "La Crosse, Wisconsin",
      "locations": [
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06030427"
    },
    {
      "nct_id": "NCT06616363",
      "title": "Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Nat hx With Its Numerous Co-morbidities?",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "POTS - Postural Orthostatic Tachycardia Syndrome"
      ],
      "interventions": [
        {
          "name": "Questionnaires to be competed",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Provide list of medication and lifetime events",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Use phone App to record new life events",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Will wear an activity monitor",
          "type": "DEVICE"
        },
        {
          "name": "Periodic 24-hour urine sodium check",
          "type": "OTHER"
        },
        {
          "name": "A fMRI scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "A bedside tilt test will be performed",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "IV placed to collect blood samples",
          "type": "OTHER"
        },
        {
          "name": "Stool Sample",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 21 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2024-05-29",
      "completion_date": "2028-07",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-16T22:03:44.210Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06616363"
    }
  ]
}