{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+intake+-Food+Frequency+Questionnaire",
    "query": {
      "intervention": "Dietary intake -Food Frequency Questionnaire"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 17,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+intake+-Food+Frequency+Questionnaire&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T23:02:58.661Z",
  "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": "NCT03251157",
      "title": "Dietary Intake in Adults From the GA2LEN Folow-up Survey",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Lung Function Decreased",
        "Food Allergy",
        "Allergic Sensitisation",
        "Allergic Rhinitis",
        "COPD",
        "Atopy"
      ],
      "interventions": [
        {
          "name": "Dietary intake of various nutrients, foods and biocompounds",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "15 Years to 75 Years"
      },
      "enrollment_count": 3500,
      "start_date": "2007-01-01",
      "completion_date": "2010-12-31",
      "has_results": false,
      "last_update_posted_date": "2017-08-16",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03251157"
    },
    {
      "nct_id": "NCT00874380",
      "title": "Fiber Intake in an End Stage Renal Disease (ESRD) Population Followed Over 2 Years",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Outcome",
        "Kalemia Control",
        "Lipid Profile"
      ],
      "interventions": [
        {
          "name": "Increasing total fiber intake in patient's diet",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 70,
      "start_date": "2008-10",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2013-05-15",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Staten Island, New York",
      "locations": [
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00874380"
    },
    {
      "nct_id": "NCT02610023",
      "title": "Food Frequency Questionnaires in Estimating Food Nutrient Intake in Healthy Young Adults",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Subject"
      ],
      "interventions": [
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Spectroscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "20 Years to 50 Years"
      },
      "enrollment_count": 100,
      "start_date": "2015-01",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-11-05",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02610023"
    },
    {
      "nct_id": "NCT04635722",
      "title": "EMPOWER Weight Management",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Overweight",
        "Weight Loss",
        "Diet Habit"
      ],
      "interventions": [
        {
          "name": "Weight Management Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 31,
      "start_date": "2021-06-11",
      "completion_date": "2023-08-11",
      "has_results": false,
      "last_update_posted_date": "2023-07-13",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04635722"
    },
    {
      "nct_id": "NCT01282580",
      "title": "Dietary Fish and Omega 3 Fatty Acids for Breast Cancer Prevention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Lovaza-Omega 3 fatty acid capsules",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Dietary fish (canned salmon, albacore)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 25,
      "start_date": "2010-07",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2019-08-30",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01282580"
    },
    {
      "nct_id": "NCT05434702",
      "title": "\"COACH\" Study: Individualized COaching in Young Adult Cancer Survivors to Encourage Healthy Behaviors",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Digital Diet Diary",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NHANES Food Frequency Questionnaire (FFQ)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fitbit data collection",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Quality of Life questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Functional Assessment of Cancer Therapy - General (FACT-G) Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Godin Exercise Leisure-Time questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Zoom interviews",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "20 Years to 30 Years"
      },
      "enrollment_count": 100,
      "start_date": "2022-06-20",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05434702"
    },
    {
      "nct_id": "NCT05055362",
      "title": "Effect a Honey, Spice-blended Baked Good Has on Salivary Inflammation Markers in Adults: a Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Kidney Diseases",
        "Overweight and Obesity"
      ],
      "interventions": [
        {
          "name": "Honey Spice Group",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2021-09-22",
      "completion_date": "2022-03-04",
      "has_results": false,
      "last_update_posted_date": "2024-06-10",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05055362"
    },
    {
      "nct_id": "NCT05265715",
      "title": "A Low AGE (Advanced Glycation End-product) Dietary Intervention for Breast Cancer Survivors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Low AGE diet",
          "type": "OTHER"
        },
        {
          "name": "Research blood draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 14,
      "start_date": "2022-10-14",
      "completion_date": "2024-03-22",
      "has_results": false,
      "last_update_posted_date": "2025-01-08",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05265715"
    },
    {
      "nct_id": "NCT06337552",
      "title": "High-Fermented Food Intervention Among Locally Advanced Rectal Cancer Patients (The FEED Trial)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rectal Cancer",
        "Non-Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "FEED-FF",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care (SUC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2024-04-04",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06337552"
    },
    {
      "nct_id": "NCT03377010",
      "title": "UF-BMT-HSCT-001: A Non-Interventional Study Evaluating Diet in HSCT Survivors",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic Neoplasm"
      ],
      "interventions": [
        {
          "name": "Dietary intake -Food Frequency Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Receptivity to Participating in Diet Interventions",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 103,
      "start_date": "2017-12-14",
      "completion_date": "2019-09-13",
      "has_results": false,
      "last_update_posted_date": "2019-09-17",
      "last_synced_at": "2026-09-26T23:02:58.661Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03377010"
    }
  ]
}