{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=45", "query": { "intervention": "Study questionnaires", "page": 45 }, "page_size": 10 }, "pagination": { "page": 45, "page_size": 10, "total_count": 3601, "total_pages": 361, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=46&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=44&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-31T14:12:24.764Z", "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": "NCT06309914", "title": "The Effects of Mirtoselect®, Virtiva®, and Enovita® on Cognitive Performance and Mood States", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Mental Processes", "Cognitive Change", "Mood Change" ], "interventions": [ { "name": "Placebo", "type": "DIETARY_SUPPLEMENT" }, { "name": "Enovita Grape Seed Extract", "type": "DIETARY_SUPPLEMENT" }, { "name": "Mirtoselect Bilberry Extract", "type": "DIETARY_SUPPLEMENT" }, { "name": "Virtiva Plus Ginko Biloba Extract", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Applied Science & Performance Institute", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "25 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "25 Years to 55 Years" }, "enrollment_count": 76, "start_date": "2024-02-21", "completion_date": "2024-07-08", "has_results": false, "last_update_posted_date": "2024-07-30", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 1, "location_summary": "Tampa, Florida", "locations": [ { "city": "Tampa", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT06309914" }, { "nct_id": "NCT04149704", "title": "Videos for Advance Care Planning in Young Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Advanced Cancer" ], "interventions": [ { "name": "ACP video decision aid", "type": "BEHAVIORAL" }, { "name": "Usual Care-", "type": "OTHER" } ], "intervention_types": [ "BEHAVIORAL", "OTHER" ], "sponsor": "Dana-Farber Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 102, "start_date": "2019-12-13", "completion_date": "2022-05-05", "has_results": true, "last_update_posted_date": "2025-01-20", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 3, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04149704" }, { "nct_id": "NCT07121452", "title": "Telehealth for Sleep Apnea: Effectiveness, Implementation, and Cost in the Military Health System", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Obstructive Sleep Apnea (OSA)" ], "interventions": [ { "name": "Sleep Navigator", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Uniformed Services University of the Health Sciences", "sponsor_class": "FED", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "64 Years", "sex": "ALL", "summary": "18 Years to 64 Years" }, "enrollment_count": 160, "start_date": "2025-10-15", "completion_date": "2028-06-30", "has_results": false, "last_update_posted_date": "2025-11-10", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 2, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" }, { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT07121452" }, { "nct_id": "NCT07166406", "title": "Testing Immunotherapy With or Without Stereotactic Body Radiation Therapy in Patients With Advanced Liver Cancer, HELIO-RT Trial", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Advanced Hepatocellular Carcinoma", "Stage III Hepatocellular Carcinoma AJCC v8", "Stage IV Hepatocellular Carcinoma AJCC v8" ], "interventions": [ { "name": "Atezolizumab", "type": "BIOLOGICAL" }, { "name": "Bevacizumab", "type": "BIOLOGICAL" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Durvalumab", "type": "BIOLOGICAL" }, { "name": "Ipilimumab", "type": "BIOLOGICAL" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Nivolumab", "type": "BIOLOGICAL" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" }, { "name": "Tremelimumab", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "PROCEDURE", "OTHER", "RADIATION" ], "sponsor": "NRG Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 226, "start_date": "2026-02-26", "completion_date": "2034-03-10", "has_results": false, "last_update_posted_date": "2026-08-17", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 138, "location_summary": "Berkeley, California • Cameron Park, California • Fremont, California + 108 more", "locations": [ { "city": "Berkeley", "state": "California" }, { "city": "Cameron Park", "state": "California" }, { "city": "Fremont", "state": "California" }, { "city": "Irvine", "state": "California" }, { "city": "Mountain View", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT07166406" }, { "nct_id": "NCT04991844", "title": "Healthy Eating for Successful Living in Older Adults Program (HE) Study", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Chronic Diseases, Multiple" ], "interventions": [ { "name": "Intervention Group", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Health and Healing Research Education and Service, Inc.", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "60 Years", "maximum_age": null, "sex": "ALL", "summary": "60 Years and older" }, "enrollment_count": 292, "start_date": "2018-07-26", "completion_date": "2020-01-31", "has_results": false, "last_update_posted_date": "2021-08-05", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT04991844" }, { "nct_id": "NCT03594487", "title": "Fecal Microbiota Transplantation (FMT) of FMP30 in Relapsing-Remitting Multiple Sclerosis", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Relapsing Remitting Multiple Sclerosis" ], "interventions": [ { "name": "FMP30 Donor Stool", "type": "DRUG" }, { "name": "Fecal Microbiota Transplantation (FMT) of FMP30 Donor Stool", "type": "PROCEDURE" }, { "name": "Observational Control", "type": "OTHER" } ], "intervention_types": [ "DRUG", "PROCEDURE", "OTHER" ], "sponsor": "Jeffrey Gelfand", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "18 Years to 60 Years" }, "enrollment_count": 5, "start_date": "2018-11-16", "completion_date": "2024-12-16", "has_results": true, "last_update_posted_date": "2026-02-03", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03594487" }, { "nct_id": "NCT04463914", "title": "Evaluation of a Mobile Therapy for Elevated Depressive Symptoms", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Depressive Symptoms", "Depression" ], "interventions": [ { "name": "Behavioral Activation Therapy app", "type": "BEHAVIORAL" }, { "name": "Behavioral Activation Therapy app + EHR", "type": "BEHAVIORAL" }, { "name": "Treatment as Usual", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Medical University of South Carolina", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 649, "start_date": "2021-10-12", "completion_date": "2024-03-29", "has_results": true, "last_update_posted_date": "2024-11-19", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 1, "location_summary": "Charleston, South Carolina", "locations": [ { "city": "Charleston", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04463914" }, { "nct_id": "NCT07258433", "title": "Effects of PeptiSleep on Sleep Quality in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Sleep", "Wearable Technology", "Cortisol", "Healthy Participants", "Cognitive Abilities" ], "interventions": [ { "name": "PeptiSleep", "type": "DIETARY_SUPPLEMENT" }, { "name": "Micro-crystalline cellulose", "type": "DIETARY_SUPPLEMENT" } ], "intervention_types": [ "DIETARY_SUPPLEMENT" ], "sponsor": "Nuritas Ltd", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "18 Years to 65 Years" }, "enrollment_count": 120, "start_date": "2025-12-29", "completion_date": "2026-03-28", "has_results": false, "last_update_posted_date": "2026-05-01", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 1, "location_summary": "Wilmington, Delaware", "locations": [ { "city": "Wilmington", "state": "Delaware" } ], "official_url": "https://clinicaltrials.gov/study/NCT07258433" }, { "nct_id": "NCT05685758", "title": "A Treatment for Depression Via a Gamified Mobile Phone Application Based on a New Cognitive Model", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Depression", "Depressive Disorder", "Clinical Depression", "Major Depressive Disorder" ], "interventions": [ { "name": "FTP-based therapeutic mobile-app", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Hedonia Ltd", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "20 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "20 Years to 50 Years" }, "enrollment_count": 117, "start_date": "2022-11-03", "completion_date": "2023-07-31", "has_results": false, "last_update_posted_date": "2023-10-13", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT05685758" }, { "nct_id": "NCT05018208", "title": "Remote Monitoring in Cancer Care: A Platform Study", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Head and Neck Carcinoma", "Hematopoietic and Lymphoid Cell Neoplasm", "Lung Carcinoma", "Malignant Digestive System Neoplasm", "Malignant Solid Neoplasm" ], "interventions": [ { "name": "Computer-Assisted Intervention", "type": "OTHER" }, { "name": "Patient Monitoring", "type": "PROCEDURE" }, { "name": "Questionnaire Administration", "type": "OTHER" } ], "intervention_types": [ "OTHER", "PROCEDURE" ], "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": 100, "start_date": "2021-12-15", "completion_date": "2025-04-17", "has_results": false, "last_update_posted_date": "2025-10-30", "last_synced_at": "2026-10-31T14:12:24.764Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT05018208" } ] }