{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Papillary+Carcinoma+of+Bladder+%28Diagnosis%29", "query": { "condition": "Papillary Carcinoma of Bladder (Diagnosis)" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 21, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Papillary+Carcinoma+of+Bladder+%28Diagnosis%29&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-07-23T14:04:31.845Z", "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": "NCT04452591", "title": "Study of Cretostimogene Given in Patients With Non-Muscle Invasive Bladder Cancer ,Unresponsive to Bacillus-Calmette-Guerin", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Non Muscle Invasive Bladder Cancer", "High-grade Ta/ T1 Papillary Disease Bladder Cancer" ], "interventions": [ { "name": "Cretostimogene Grenadenorepvec", "type": "BIOLOGICAL" }, { "name": "n-dodecyl-B-D-maltoside", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "CG Oncology, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 190, "start_date": "2020-10-27", "completion_date": "2031-12-24", "has_results": false, "last_update_posted_date": "2026-07-10", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 45, "location_summary": "Homewood, Alabama • Phoenix, Arizona • Tucson, Arizona + 38 more", "locations": [ { "city": "Homewood", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04452591" }, { "nct_id": "NCT00447226", "title": "Randomized Discontinuation Study of Lapatinib Versus Placebo in Subjects With Documented Tumor Progression After Chemotherapy, or Where no Approved Therapy Exists", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Cancer" ], "interventions": [ { "name": "Oral lapatinib tablets or placebo tablets", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 32, "start_date": "2007-05", "completion_date": "2009-09", "has_results": true, "last_update_posted_date": "2012-06-12", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 20, "location_summary": "Denver, Colorado • Indianapolis, Indiana • Overland Park, Kansas + 17 more", "locations": [ { "city": "Denver", "state": "Colorado" }, { "city": "Indianapolis", "state": "Indiana" }, { "city": "Overland Park", "state": "Kansas" }, { "city": "Minneapolis", "state": "Minnesota" }, { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT00447226" }, { "nct_id": "NCT03866382", "title": "Testing the Effectiveness of Two Immunotherapy Drugs (Nivolumab and Ipilimumab) With One Anti-cancer Targeted Drug (Cabozantinib) for Rare Genitourinary Tumors", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Bladder Adenocarcinoma", "Bladder Clear Cell Adenocarcinoma", "Bladder Mixed Adenocarcinoma", "Bladder Neuroendocrine Carcinoma", "Bladder Small Cell Neuroendocrine Carcinoma", "Bladder Squamous Cell Carcinoma", "Chromophobe Renal Cell Carcinoma", "Collecting Duct Carcinoma", "Invasive Bladder Giant Cell Urothelial Carcinoma", "Invasive Bladder Lymphoepithelioma-Like Carcinoma", "Invasive Bladder Nested Urothelial Carcinoma", "Invasive Bladder Plasmacytoid Urothelial Carcinoma", "Invasive Bladder Sarcomatoid Urothelial Carcinoma", "Invasive Bladder Urothelial Carcinoma", "Kidney Medullary Carcinoma", "Large Cell Neuroendocrine Carcinoma", "Malignant Testicular Leydig Cell Tumor", "Malignant Testicular Sertoli Cell Tumor", "Metastatic Bladder Carcinoma", "Metastatic Bladder Clear Cell (Glycogen-Rich) Urothelial Carcinoma", "Metastatic Bladder Giant Cell Urothelial Carcinoma", "Metastatic Bladder Large Cell Neuroendocrine Carcinoma", "Metastatic Bladder Lipid-Rich Urothelial Carcinoma", "Metastatic Bladder Micropapillary Urothelial Carcinoma", "Metastatic Bladder Plasmacytoid Urothelial Carcinoma", "Metastatic Bladder Sarcomatoid Urothelial Carcinoma", "Metastatic Bladder Small Cell Neuroendocrine Carcinoma", "Metastatic Bladder Squamous Cell Carcinoma", "Metastatic Chromophobe Renal Cell Carcinoma", "Metastatic Kidney Medullary Carcinoma", "Metastatic Malignant Genitourinary System Neoplasm", "Metastatic Papillary Renal Cell Carcinoma", "Metastatic Penile Carcinoma", "Metastatic Prostate Small Cell Neuroendocrine Carcinoma", "Metastatic Sarcomatoid Renal Cell Carcinoma", "Metastatic Urethral Carcinoma", "Papillary Renal Cell Carcinoma", "Sarcomatoid Renal Cell Carcinoma", "Stage IV Bladder Cancer AJCC v8", "Stage IV Penile Cancer AJCC v8", "Stage IV Renal Cell Cancer AJCC v8", "Stage IV Urethral Cancer AJCC v8", "Stage IVB Prostate Cancer AJCC v8", "Urachal Adenocarcinoma", "Urethral Clear Cell Adenocarcinoma" ], "interventions": [ { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Bone Scan", "type": "PROCEDURE" }, { "name": "Cabozantinib S-malate", "type": "DRUG" }, { "name": "Computed Tomography", "type": "PROCEDURE" }, { "name": "Echocardiography Test", "type": "PROCEDURE" }, { "name": "Ipilimumab", "type": "BIOLOGICAL" }, { "name": "Magnetic Resonance Imaging", "type": "PROCEDURE" }, { "name": "Nivolumab", "type": "BIOLOGICAL" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE", "DRUG", "BIOLOGICAL" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 314, "start_date": "2019-05-13", "completion_date": "2027-02-28", "has_results": false, "last_update_posted_date": "2026-07-22", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 581, "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Kingman, Arizona + 377 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/NCT03866382" }, { "nct_id": "NCT04109092", "title": "A Study of Stimulator of Interferon Genes (STING) Agonist E7766 in Non-muscle Invasive Bladder Cancer (NMIBC) Including Participants Unresponsive to Bacillus Calmette-Guerin (BCG) Therapy, INPUT-102", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Urinary Bladder Neoplasms" ], "interventions": [ { "name": "E7766", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Eisai Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 0, "start_date": "2020-02-13", "completion_date": "2022-09-29", "has_results": false, "last_update_posted_date": "2020-12-14", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 9, "location_summary": "Gilbert, Arizona • Los Angeles, California • Santa Monica, California + 6 more", "locations": [ { "city": "Gilbert", "state": "Arizona" }, { "city": "Los Angeles", "state": "California" }, { "city": "Santa Monica", "state": "California" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Indianapolis", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT04109092" }, { "nct_id": "NCT03258593", "title": "Durvalumab and Vicineum in Subjects With High-Grade Non-Muscle-Invasive Bladder Cancer Previously Treated With Bacillus Calmette-Guerin (BCG)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Urinary Bladder Neoplasms" ], "interventions": [ { "name": "Durvalumab", "type": "DRUG" }, { "name": "Vicineum", "type": "DRUG" }, { "name": "Acetaminophen", "type": "DRUG" }, { "name": "Antihistamine", "type": "DRUG" }, { "name": "Bladder Biopsy", "type": "PROCEDURE" }, { "name": "TURBT", "type": "PROCEDURE" }, { "name": "Cystoscopy", "type": "PROCEDURE" }, { "name": "Urine cytology", "type": "DIAGNOSTIC_TEST" }, { "name": "Electrocardiogram", "type": "DIAGNOSTIC_TEST" }, { "name": "CT", "type": "DIAGNOSTIC_TEST" }, { "name": "MRI", "type": "DIAGNOSTIC_TEST" } ], "intervention_types": [ "DRUG", "PROCEDURE", "DIAGNOSTIC_TEST" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 15, "start_date": "2018-06-07", "completion_date": "2022-10-17", "has_results": true, "last_update_posted_date": "2026-06-16", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT03258593" }, { "nct_id": "NCT00005842", "title": "Trastuzumab Plus R115777 in Treating Patients With Advanced or Metastatic Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Cancer" ], "interventions": [ { "name": "trastuzumab", "type": "BIOLOGICAL" }, { "name": "tipifarnib", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 24, "start_date": "2000-06", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-02-11", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 2, "location_summary": "Fort Sam Houston, Texas • San Antonio, Texas", "locations": [ { "city": "Fort Sam Houston", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00005842" }, { "nct_id": "NCT05024773", "title": "Study of ONCOFID-P-B (PACLITAXEL-HYALURONIC ACID)", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Bladder Carcinoma in Situ (CIS)" ], "interventions": [ { "name": "ONCOFID P-B (PACLITAXEL-HYALURONIC ACID)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Fidia Farmaceutici s.p.a.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 130, "start_date": "2022-12-29", "completion_date": "2030-12", "has_results": false, "last_update_posted_date": "2026-06-23", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 6, "location_summary": "Gilbert, Arizona • New Orleans, Louisiana • Baltimore, Maryland + 3 more", "locations": [ { "city": "Gilbert", "state": "Arizona" }, { "city": "New Orleans", "state": "Louisiana" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Minneapolis", "state": "Minnesota" }, { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT05024773" }, { "nct_id": "NCT01438112", "title": "Efficacy Study of Recombinant Adenovirus for Non Muscle Invasive Bladder Cancer", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Transitional Cell Carcinoma", "Bladder Cancer", "Carcinoma in Situ", "Carcinoma in Situ Concurrent With Papillary Tumors" ], "interventions": [ { "name": "CG0070 Adenovirus Vector", "type": "BIOLOGICAL" }, { "name": "Control Arm: Quadruple Choice", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "CG Oncology, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 22, "start_date": "2014-03", "completion_date": "2016-06", "has_results": false, "last_update_posted_date": "2021-04-14", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 7, "location_summary": "Phoenix, Arizona • La Jolla, California • Los Angeles, California + 4 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT01438112" }, { "nct_id": "NCT07322263", "title": "Intravesical GEM/DOCE for HR BCG-Unresponsive NMIBC", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Bladder Cancer", "Non-Muscle Invasive Bladder Cancer (NMIBC)", "Urothelial Carcinoma", "Carcinoma in Situ (CIS)", "High-Grade Papillary Bladder Tumors", "BCG-Unresponsive Bladder Cancer", "Ta Stage Bladder Cancer", "T1 Stage Bladder Cancer", "BCG-Refractory Bladder Cancer", "High-Risk NMIBC", "Micropapillary Variant Urothelial Carcinoma (Favorable Subtype)" ], "interventions": [ { "name": "Intravesical Gemcitabine and Docetaxel", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Michael A. O'Donnell", "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": 174, "start_date": "2026-04-10", "completion_date": "2033-01-01", "has_results": false, "last_update_posted_date": "2026-04-17", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 1, "location_summary": "Iowa City, Iowa", "locations": [ { "city": "Iowa City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT07322263" }, { "nct_id": "NCT00004074", "title": "Interleukin-12 and Trastuzumab in Treating Patients With Cancer That Has High Levels of HER2/Neu", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Advanced Adult Primary Liver Cancer", "Anaplastic Thyroid Cancer", "Bone Metastases", "Carcinoma of the Appendix", "Distal Urethral Cancer", "Fallopian Tube Cancer", "Gastrinoma", "Glucagonoma", "Inflammatory Breast Cancer", "Insulinoma", "Liver Metastases", "Localized Unresectable Adult Primary Liver Cancer", "Lung Metastases", "Male Breast Cancer", "Malignant Pericardial Effusion", "Malignant Pleural Effusion", "Metastatic Gastrointestinal Carcinoid Tumor", "Metastatic Parathyroid Cancer", "Metastatic Transitional Cell Cancer of the Renal Pelvis and Ureter", "Newly Diagnosed Carcinoma of Unknown Primary", "Occult Non-small Cell Lung Cancer", "Pancreatic Polypeptide Tumor", "Primary Peritoneal Cavity Cancer", "Proximal Urethral Cancer", "Pulmonary Carcinoid Tumor", "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity", "Recurrent Adrenocortical Carcinoma", "Recurrent Adult Primary Liver Cancer", "Recurrent Anal Cancer", "Recurrent Bladder Cancer", "Recurrent Breast Cancer", "Recurrent Carcinoma of Unknown Primary", "Recurrent Cervical Cancer", "Recurrent Colon Cancer", "Recurrent Endometrial Carcinoma", "Recurrent Esophageal Cancer", "Recurrent Extrahepatic Bile Duct Cancer", "Recurrent Gallbladder Cancer", "Recurrent Gastric Cancer", "Recurrent Gastrointestinal Carcinoid Tumor", "Recurrent Islet Cell Carcinoma", "Recurrent Malignant Testicular Germ Cell Tumor", "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity", "Recurrent Non-small Cell Lung Cancer", "Recurrent Ovarian Epithelial Cancer", "Recurrent Pancreatic Cancer", "Recurrent Parathyroid Cancer", "Recurrent Prostate Cancer", "Recurrent Rectal Cancer", "Recurrent Renal Cell Cancer", "Recurrent Salivary Gland Cancer", "Recurrent Small Intestine Cancer", "Recurrent Squamous Cell Carcinoma of the Larynx", "Recurrent Squamous Cell Carcinoma of the Lip and Oral Cavity", "Recurrent Squamous Cell Carcinoma of the Nasopharynx", "Recurrent Squamous Cell Carcinoma of the Oropharynx", "Recurrent Thyroid Cancer", "Recurrent Transitional Cell Cancer of the Renal Pelvis and Ureter", "Recurrent Urethral Cancer", "Recurrent Vaginal Cancer", "Recurrent Vulvar Cancer", "Skin Metastases", "Small Intestine Adenocarcinoma", "Somatostatinoma", "Stage III Adenoid Cystic Carcinoma of the Oral Cavity", "Stage III Adrenocortical Carcinoma", "Stage III Bladder Cancer", "Stage III Cervical Cancer", "Stage III Colon Cancer", "Stage III Endometrial Carcinoma", "Stage III Esophageal Cancer", "Stage III Follicular Thyroid Cancer", "Stage III Gastric Cancer", "Stage III Malignant Testicular Germ Cell Tumor", "Stage III Mucoepidermoid Carcinoma of the Oral Cavity", "Stage III Ovarian Epithelial Cancer", "Stage III Pancreatic Cancer", "Stage III Papillary Thyroid Cancer", "Stage III Prostate Cancer", "Stage III Rectal Cancer", "Stage III Renal Cell Cancer", "Stage III Salivary Gland Cancer", "Stage III Squamous Cell Carcinoma of the Larynx", "Stage III Squamous Cell Carcinoma of the Lip and Oral Cavity", "Stage III Squamous Cell Carcinoma of the Nasopharynx", "Stage III Squamous Cell Carcinoma of the Oropharynx", "Stage III Vaginal Cancer", "Stage III Vulvar Cancer", "Stage IIIA Anal Cancer", "Stage IIIA Breast Cancer", "Stage IIIA Non-small Cell Lung Cancer", "Stage IIIB Anal Cancer", "Stage IIIB Breast Cancer", "Stage IIIB Non-small Cell Lung Cancer", "Stage IV Adenoid Cystic Carcinoma of the Oral Cavity", "Stage IV Adrenocortical Carcinoma", "Stage IV Anal Cancer", "Stage IV Bladder Cancer", "Stage IV Breast Cancer", "Stage IV Colon Cancer", "Stage IV Endometrial Carcinoma", "Stage IV Esophageal Cancer", "Stage IV Follicular Thyroid Cancer", "Stage IV Gastric Cancer", "Stage IV Mucoepidermoid Carcinoma of the Oral Cavity", "Stage IV Non-small Cell Lung Cancer", "Stage IV Ovarian Epithelial Cancer", "Stage IV Pancreatic Cancer", "Stage IV Papillary Thyroid Cancer", "Stage IV Prostate Cancer", "Stage IV Rectal Cancer", "Stage IV Renal Cell Cancer", "Stage IV Salivary Gland Cancer", "Stage IV Squamous Cell Carcinoma of the Larynx", "Stage IV Squamous Cell Carcinoma of the Lip and Oral Cavity", "Stage IV Squamous Cell Carcinoma of the Nasopharynx", "Stage IV Squamous Cell Carcinoma of the Oropharynx", "Stage IVA Cervical Cancer", "Stage IVA Vaginal Cancer", "Stage IVB Cervical Cancer", "Stage IVB Vaginal Cancer", "Stage IVB Vulvar Cancer", "Thyroid Gland Medullary Carcinoma", "Unresectable Extrahepatic Bile Duct Cancer", "Unresectable Gallbladder Cancer", "Urethral Cancer Associated With Invasive Bladder Cancer", "WDHA Syndrome" ], "interventions": [ { "name": "recombinant interleukin-12", "type": "BIOLOGICAL" }, { "name": "ABI-007/carboplatin/trastuzumab", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 15, "start_date": "1999-08", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-02-28", "last_synced_at": "2026-07-23T14:04:31.845Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00004074" } ] }