{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=4", "query": { "intervention": "Study questionnaires", "page": 4 }, "page_size": 10 }, "pagination": { "page": 4, "page_size": 10, "total_count": 3597, "total_pages": 360, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=5&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Study+questionnaires&page=3&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-25T11:37:39.873Z", "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": "NCT04423211", "title": "Treating Prostate Cancer That Has Come Back After Surgery With Apalutamide and Targeted Radiation Based on PET Imaging", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Biochemically Recurrent Prostate Carcinoma", "Metastatic Prostate Carcinoma", "Prostate Adenocarcinoma", "Stage IVB Prostate Cancer AJCC v8" ], "interventions": [ { "name": "3-Dimensional Conformal Radiation Therapy", "type": "RADIATION" }, { "name": "Apalutamide", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Degarelix", "type": "DRUG" }, { "name": "External Beam Radiation Therapy", "type": "RADIATION" }, { "name": "Fluciclovine F18", "type": "OTHER" }, { "name": "Goserelin Acetate", "type": "DRUG" }, { "name": "Intensity-Modulated Proton Therapy", "type": "PROCEDURE" }, { "name": "Intensity-Modulated Radiation Therapy", "type": "RADIATION" }, { "name": "Leuprolide Acetate", "type": "DRUG" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Relugolix", "type": "DRUG" }, { "name": "Stereotactic Body Radiation Therapy", "type": "RADIATION" }, { "name": "Triptorelin", "type": "DRUG" }, { "name": "Volume Modulated Arc Therapy", "type": "RADIATION" } ], "intervention_types": [ "RADIATION", "DRUG", "PROCEDURE", "OTHER" ], "sponsor": "ECOG-ACRIN Cancer Research Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "MALE", "summary": "18 Years and older · Male only" }, "enrollment_count": 804, "start_date": "2020-10-08", "completion_date": "2032-12-31", "has_results": false, "last_update_posted_date": "2026-08-19", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 341, "location_summary": "Anchorage, Alaska • Fairbanks, Alaska • Phoenix, Arizona + 240 more", "locations": [ { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" } ], "official_url": "https://clinicaltrials.gov/study/NCT04423211" }, { "nct_id": "NCT05753306", "title": "Robotic Cytoreduction and Hyperthermic Intraperitoneal Chemotherapy for Treatment of Gastric Cancer With Limited Peritoneal Metastasis, ROBO-CHIP Study", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Gastric Adenocarcinoma", "Gastroesophageal Junction Adenocarcinoma", "Metastatic Malignant Neoplasm in the Peritoneum" ], "interventions": [ { "name": "Cisplatin", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Gastrectomy", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Paclitaxel", "type": "DRUG" }, { "name": "Hyperthermic Intraperitoneal Chemotherapy", "type": "DRUG" } ], "intervention_types": [ "DRUG", "PROCEDURE", "OTHER" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 40, "start_date": "2023-04-20", "completion_date": "2030-03-25", "has_results": false, "last_update_posted_date": "2026-04-08", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT05753306" }, { "nct_id": "NCT04251052", "title": "A Study to Compare Two Surgical Procedures in Individuals With BRCA1 Mutations to Assess Reduced Risk of Ovarian Cancer", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Ovarian Carcinoma" ], "interventions": [ { "name": "Bilateral Salpingectomy", "type": "PROCEDURE" }, { "name": "Bilateral Salpingectomy with Oophorectomy", "type": "PROCEDURE" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Quality-of-Life Assessment", "type": "OTHER" }, { "name": "Questionnaire Administration", "type": "OTHER" }, { "name": "Transvaginal Ultrasound", "type": "PROCEDURE" }, { "name": "Ultrasound Imaging", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE", "OTHER" ], "sponsor": "NRG Oncology", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "35 Years", "maximum_age": "50 Years", "sex": "FEMALE", "summary": "35 Years to 50 Years · Female only" }, "enrollment_count": 1956, "start_date": "2020-09-01", "completion_date": "2047-06-30", "has_results": false, "last_update_posted_date": "2026-08-07", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 564, "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Goodyear, Arizona + 372 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Anchorage", "state": "Alaska" } ], "official_url": "https://clinicaltrials.gov/study/NCT04251052" }, { "nct_id": "NCT06582784", "title": "IMPACT (IMproving Proactive Approaches for Cancer Survivors' Mental Health Treatment)", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Depression", "Depressive Symptoms", "Cancer" ], "interventions": [ { "name": "Behavioral Activation Therapy App", "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": 279, "start_date": "2024-10-28", "completion_date": "2028-09-01", "has_results": false, "last_update_posted_date": "2026-05-22", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 1, "location_summary": "Charleston, South Carolina", "locations": [ { "city": "Charleston", "state": "South Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT06582784" }, { "nct_id": "NCT01423734", "title": "The Reproducibility Of Diffusion Weighted Magnetic Resonance Imaging For Neuroendocrine Tumor Liver Metastases", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Gastro-enteropancreatic Neuroendocrine Tumor", "Secondary Malignant Neoplasm of Liver" ], "interventions": [ { "name": "magnetic resonance imaging (MRI)", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Memorial Sloan Kettering Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 20, "start_date": "2011-08-23", "completion_date": "2023-01-19", "has_results": false, "last_update_posted_date": "2023-01-23", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01423734" }, { "nct_id": "NCT02670421", "title": "Stress Management Intervention in Women's Heart Clinic, Heart SMART Program", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Stress" ], "interventions": [ { "name": "Face to Face Heart SMART Program", "type": "BEHAVIORAL" }, { "name": "On-line Heart SMART Program", "type": "BEHAVIORAL" }, { "name": "Mayo Clinic Guide to Stress Free Living", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "25 Years", "maximum_age": "75 Years", "sex": "FEMALE", "summary": "25 Years to 75 Years · Female only" }, "enrollment_count": 50, "start_date": "2016-03", "completion_date": "2017-03", "has_results": false, "last_update_posted_date": "2017-03-24", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT02670421" }, { "nct_id": "NCT01846520", "title": "Family Caregiver Palliative Care Intervention in Supporting Caregivers of Patients With Stage II-IV Gastrointestinal, Gynecologic, Urologic and Lung Cancers", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Healthy Subject", "Localized Transitional Cell Cancer of the Renal Pelvis and Ureter", "Metastatic Transitional Cell Cancer of the Renal Pelvis and Ureter", "Psychosocial Effects of Cancer and Its Treatment", "Recurrent Bladder Cancer", "Recurrent Cervical Cancer", "Recurrent Colon Cancer", "Recurrent Gastric Cancer", "Recurrent Ovarian Epithelial Cancer", "Recurrent Ovarian Germ Cell Tumor", "Recurrent Pancreatic Cancer", "Recurrent Rectal Cancer", "Recurrent Renal Cell Cancer", "Recurrent Transitional Cell Cancer of the Renal Pelvis and Ureter", "Recurrent Urethral Cancer", "Recurrent Uterine Sarcoma", "Regional Transitional Cell Cancer of the Renal Pelvis and Ureter", "Stage II Bladder Cancer", "Stage II Renal Cell Cancer", "Stage II Urethral Cancer", "Stage IIA Cervical Cancer", "Stage IIA Colon Cancer", "Stage IIA Gastric Cancer", "Stage IIA Ovarian Epithelial Cancer", "Stage IIA Ovarian Germ Cell Tumor", "Stage IIA Pancreatic Cancer", "Stage IIA Rectal Cancer", "Stage IIA Uterine Sarcoma", "Stage IIB Cervical Cancer", "Stage IIB Colon Cancer", "Stage IIB Gastric Cancer", "Stage IIB Ovarian Epithelial Cancer", "Stage IIB Ovarian Germ Cell Tumor", "Stage IIB Pancreatic Cancer", "Stage IIB Rectal Cancer", "Stage IIB Uterine Sarcoma", "Stage IIC Colon Cancer", "Stage IIC Ovarian Epithelial Cancer", "Stage IIC Ovarian Germ Cell Tumor", "Stage IIC Rectal Cancer", "Stage III Bladder Cancer", "Stage III Pancreatic Cancer", "Stage III Renal Cell Cancer", "Stage III Urethral Cancer", "Stage IIIA Cervical Cancer", "Stage IIIA Colon Cancer", "Stage IIIA Gastric Cancer", "Stage IIIA Ovarian Epithelial Cancer", "Stage IIIA Ovarian Germ Cell Tumor", "Stage IIIA Rectal Cancer", "Stage IIIA Uterine Sarcoma", "Stage IIIB Cervical Cancer", "Stage IIIB Colon Cancer", "Stage IIIB Gastric Cancer", "Stage IIIB Ovarian Epithelial Cancer", "Stage IIIB Ovarian Germ Cell Tumor", "Stage IIIB Rectal Cancer", "Stage IIIB Uterine Sarcoma", "Stage IIIC Colon Cancer", "Stage IIIC Gastric Cancer", "Stage IIIC Ovarian Epithelial Cancer", "Stage IIIC Ovarian Germ Cell Tumor", "Stage IIIC Rectal Cancer", "Stage IIIC Uterine Sarcoma", "Stage IV Bladder Cancer", "Stage IV Gastric Cancer", "Stage IV Ovarian Epithelial Cancer", "Stage IV Ovarian Germ Cell Tumor", "Stage IV Pancreatic Cancer", "Stage IV Renal Cell Cancer", "Stage IV Urethral Cancer", "Stage IVA Cervical Cancer", "Stage IVA Colon Cancer", "Stage IVA Rectal Cancer", "Stage IVA Uterine Sarcoma", "Stage IVB Cervical Cancer", "Stage IVB Colon Cancer", "Stage IVB Rectal Cancer", "Stage IVB Uterine Sarcoma", "Ureter Cancer", "Stage IIA Lung Carcinoma", "Stage IIB Lung Carcinoma", "Stage IIIA Lung Carcinoma", "Stage IIIB Lung Carcinoma" ], "interventions": [ { "name": "educational intervention", "type": "OTHER" }, { "name": "telephone-based intervention", "type": "BEHAVIORAL" }, { "name": "quality-of-life assessment", "type": "PROCEDURE" }, { "name": "questionnaire administration", "type": "OTHER" } ], "intervention_types": [ "OTHER", "BEHAVIORAL", "PROCEDURE" ], "sponsor": "City of Hope Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 200, "start_date": "2013-10-29", "completion_date": "2019-05-23", "has_results": false, "last_update_posted_date": "2026-10-01", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 1, "location_summary": "Duarte, California", "locations": [ { "city": "Duarte", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01846520" }, { "nct_id": "NCT04301986", "title": "Patient Acceptance and Preference Among Screening Modalities for Detection of Barrett's Esophagus", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Barrett Esophagus", "GERD" ], "interventions": [ { "name": "Cytosponge", "type": "DEVICE" }, { "name": "Transnasal Endoscopy (TNE)", "type": "DEVICE" }, { "name": "Esophagogastroduodenoscopy", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "University of North Carolina, Chapel Hill", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 24, "start_date": "2020-08-11", "completion_date": "2022-05-10", "has_results": true, "last_update_posted_date": "2023-05-08", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 1, "location_summary": "Chapel Hill, North Carolina", "locations": [ { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT04301986" }, { "nct_id": "NCT04950673", "title": "Open-label, Post-marketing, Prospective Study to Assess Impact of COVID-19 on Cognitive Function in Patients", "overall_status": "UNKNOWN", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cognitive Decline", "Cognitive Dysfunction", "Brain Health", "Post CoV-2 Syndrome", "COVID Long-Haul" ], "interventions": [ { "name": "Cognivue", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Cognivue, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "95 Years", "sex": "ALL", "summary": "18 Years to 95 Years" }, "enrollment_count": 1000, "start_date": "2021-07-21", "completion_date": "2024-04-30", "has_results": false, "last_update_posted_date": "2022-06-22", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 4, "location_summary": "Irvine, California • Visalia, California • Boca Raton, Florida + 1 more", "locations": [ { "city": "Irvine", "state": "California" }, { "city": "Visalia", "state": "California" }, { "city": "Boca Raton", "state": "Florida" }, { "city": "Cleveland", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT04950673" }, { "nct_id": "NCT03407469", "title": "Measurement of Adherence and Health-Related Quality of Life, and Health-Care Resource Utilization", "overall_status": "RECRUITING", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Cancer-related Venous Thromboembolism" ], "interventions": [ { "name": "Questionnaires", "type": "BEHAVIORAL" } ], "intervention_types": [ "BEHAVIORAL" ], "sponsor": "M.D. Anderson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 260, "start_date": "2018-01-12", "completion_date": "2026-12-31", "has_results": false, "last_update_posted_date": "2026-05-20", "last_synced_at": "2026-10-25T11:37:39.873Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT03407469" } ] }