{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+III+and+IV+Glioma+Patients&page=2", "query": { "condition": "Stage III and IV Glioma Patients", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 10, "total_pages": 1, "next_page_url": null, "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+III+and+IV+Glioma+Patients&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-05-21T23:24:10.730Z", "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": "NCT00005952", "title": "Temozolomide Plus Peripheral Stem Cell Transplantation in Treating Children With Newly Diagnosed Malignant Glioma or Recurrent CNS or Other Solid Tumors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Brain and Central Nervous System Tumors", "Childhood Germ Cell Tumor", "Head and Neck Cancer", "Kidney Cancer", "Neuroblastoma", "Ovarian Cancer", "Sarcoma", "Testicular Germ Cell Tumor" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "temozolomide", "type": "DRUG" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "18 Years", "sex": "ALL", "summary": "Up to 18 Years" }, "enrollment_count": 30, "start_date": "2000-08", "completion_date": "2005-11", "has_results": false, "last_update_posted_date": "2013-06-20", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT00005952" }, { "nct_id": "NCT00492089", "title": "Bevacizumab in Reducing CNS Side Effects in Patients Who Have Undergone Radiation Therapy to the Brain for Primary Brain Tumor, Meningioma, or Head and Neck Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Adult Anaplastic Astrocytoma", "Adult Anaplastic Ependymoma", "Adult Anaplastic Meningioma", "Adult Anaplastic Oligodendroglioma", "Adult Brain Stem Glioma", "Adult Central Nervous System Germ Cell Tumor", "Adult Choroid Plexus Tumor", "Adult Diffuse Astrocytoma", "Adult Ependymoma", "Adult Grade II Meningioma", "Adult Grade III Meningioma", "Adult Malignant Hemangiopericytoma", "Adult Mixed Glioma", "Adult Oligodendroglioma", "Adult Papillary Meningioma", "Adult Pineocytoma", "Malignant Neoplasm", "Meningeal Melanocytoma", "Radiation Toxicity", "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity", "Recurrent Adult Brain Tumor", "Recurrent Basal Cell Carcinoma of the Lip", "Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity", "Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity", "Recurrent Lymphoepithelioma of the Nasopharynx", "Recurrent Lymphoepithelioma of the Oropharynx", "Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity", "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity", "Recurrent Salivary Gland Cancer", "Recurrent Squamous Cell Carcinoma of the Hypopharynx", "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 Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Recurrent Verrucous Carcinoma of the Larynx", "Recurrent Verrucous Carcinoma of the Oral Cavity", "Stage I Adenoid Cystic Carcinoma of the Oral Cavity", "Stage I Basal Cell Carcinoma of the Lip", "Stage I Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity", "Stage I Inverted Papilloma of the Paranasal Sinus and Nasal Cavity", "Stage I Lymphoepithelioma of the Nasopharynx", "Stage I Lymphoepithelioma of the Oropharynx", "Stage I Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity", "Stage I Mucoepidermoid Carcinoma of the Oral Cavity", "Stage I Salivary Gland Cancer", "Stage I Squamous Cell Carcinoma of the Hypopharynx", "Stage I Squamous Cell Carcinoma of the Larynx", "Stage I Squamous Cell Carcinoma of the Lip and Oral Cavity", "Stage I Squamous Cell Carcinoma of the Nasopharynx", "Stage I Squamous Cell Carcinoma of the Oropharynx", "Stage I Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Stage I Verrucous Carcinoma of the Larynx", "Stage I Verrucous Carcinoma of the Oral Cavity", "Stage III Adenoid Cystic Carcinoma of the Oral Cavity", "Stage III Basal Cell Carcinoma of the Lip", "Stage III Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity", "Stage III Inverted Papilloma of the Paranasal Sinus and Nasal Cavity", "Stage III Lymphoepithelioma of the Nasopharynx", "Stage III Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity", "Stage III Mucoepidermoid Carcinoma of the Oral Cavity", "Stage III Salivary Gland Cancer", "Stage III Squamous Cell Carcinoma of the Hypopharynx", "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 Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Stage III Verrucous Carcinoma of the Larynx", "Stage III Verrucous Carcinoma of the Oral Cavity", "Stage IV Adenoid Cystic Carcinoma of the Oral Cavity", "Stage IV Basal Cell Carcinoma of the Lip", "Stage IV Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity", "Stage IV Inverted Papilloma of the Paranasal Sinus and Nasal Cavity", "Stage IV Lymphoepithelioma of the Nasopharynx", "Stage IV Lymphoepithelioma of the Oropharynx", "Stage IV Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity", "Stage IV Mucoepidermoid Carcinoma of the Oral Cavity", "Stage IV Salivary Gland Cancer", "Stage IV Squamous Cell Carcinoma of the Hypopharynx", "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 IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Stage IV Verrucous Carcinoma of the Larynx", "Stage IV Verrucous Carcinoma of the Oral Cavity" ], "interventions": [ { "name": "bevacizumab", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" }, { "name": "magnetic resonance imaging", "type": "PROCEDURE" }, { "name": "quality-of-life assessment", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "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": 11, "start_date": "2007-06", "completion_date": "2010-08", "has_results": true, "last_update_posted_date": "2014-05-09", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00492089" }, { "nct_id": "NCT01954030", "title": "Phase 1/2 CTO + Bevacizumab for Recurrent Glioma Post-Bevacizumab Failure", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Malignant Glioma (WHO Grade III or IV)" ], "interventions": [ { "name": "CTO and Bevacizumab", "type": "DRUG" }, { "name": "CTO alone", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Annick Desjardins", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 17, "start_date": "2013-10", "completion_date": "2015-07", "has_results": false, "last_update_posted_date": "2016-02-19", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01954030" }, { "nct_id": "NCT01989052", "title": "Ph 1/2 CTO With Lomustine for Bevacizumab-Naive Recurrent Glioma", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Malignant Glioma (WHO Grade III or IV)" ], "interventions": [ { "name": "CTO", "type": "DRUG" }, { "name": "Lomustine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Annick Desjardins", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 9, "start_date": "2014-05", "completion_date": "2016-02", "has_results": false, "last_update_posted_date": "2016-08-04", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT01989052" }, { "nct_id": "NCT00030498", "title": "Erlotinib in Treating Patients With Solid Tumors and Liver or Kidney Dysfunction", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Adult Anaplastic Astrocytoma", "Adult Anaplastic Ependymoma", "Adult Anaplastic Oligodendroglioma", "Adult Brain Stem Glioma", "Adult Diffuse Astrocytoma", "Adult Ependymoblastoma", "Adult Giant Cell Glioblastoma", "Adult Glioblastoma", "Adult Gliosarcoma", "Adult Mixed Glioma", "Adult Myxopapillary Ependymoma", "Adult Oligodendroglioma", "Adult Pilocytic Astrocytoma", "Adult Primary Hepatocellular Carcinoma", "Adult Subependymoma", "Advanced Adult Primary Liver Cancer", "Advanced Malignant Mesothelioma", "Male Breast Cancer", "Recurrent Adenoid Cystic Carcinoma of the Oral Cavity", "Recurrent Adult Brain Tumor", "Recurrent Adult Primary Liver Cancer", "Recurrent Anal Cancer", "Recurrent Basal Cell Carcinoma of the Lip", "Recurrent Bladder Cancer", "Recurrent Breast Cancer", "Recurrent Cervical Cancer", "Recurrent Colon Cancer", "Recurrent Esophageal Cancer", "Recurrent Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity", "Recurrent Inverted Papilloma of the Paranasal Sinus and Nasal Cavity", "Recurrent Lymphoepithelioma of the Nasopharynx", "Recurrent Lymphoepithelioma of the Oropharynx", "Recurrent Malignant Mesothelioma", "Recurrent Metastatic Squamous Neck Cancer With Occult Primary", "Recurrent Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity", "Recurrent Mucoepidermoid Carcinoma of the Oral Cavity", "Recurrent Non-small Cell Lung Cancer", "Recurrent Ovarian Epithelial Cancer", "Recurrent Pancreatic Cancer", "Recurrent Prostate Cancer", "Recurrent Rectal Cancer", "Recurrent Salivary Gland Cancer", "Recurrent Squamous Cell Carcinoma of the Hypopharynx", "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 Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Recurrent Verrucous Carcinoma of the Larynx", "Recurrent Verrucous Carcinoma of the Oral Cavity", "Stage II Esophageal Cancer", "Stage II Pancreatic Cancer", "Stage III Esophageal Cancer", "Stage III Pancreatic Cancer", "Stage IIIB Non-small Cell Lung Cancer", "Stage IV Adenoid Cystic Carcinoma of the Oral Cavity", "Stage IV Anal Cancer", "Stage IV Basal Cell Carcinoma of the Lip", "Stage IV Bladder Cancer", "Stage IV Breast Cancer", "Stage IV Colon Cancer", "Stage IV Esophageal Cancer", "Stage IV Esthesioneuroblastoma of the Paranasal Sinus and Nasal Cavity", "Stage IV Inverted Papilloma of the Paranasal Sinus and Nasal Cavity", "Stage IV Lymphoepithelioma of the Nasopharynx", "Stage IV Lymphoepithelioma of the Oropharynx", "Stage IV Midline Lethal Granuloma of the Paranasal Sinus and Nasal Cavity", "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 Prostate Cancer", "Stage IV Rectal Cancer", "Stage IV Salivary Gland Cancer", "Stage IV Squamous Cell Carcinoma of the Hypopharynx", "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 IV Squamous Cell Carcinoma of the Paranasal Sinus and Nasal Cavity", "Stage IV Verrucous Carcinoma of the Larynx", "Stage IV Verrucous Carcinoma of the Oral Cavity", "Stage IVA Cervical Cancer", "Stage IVB Cervical Cancer", "Unspecified Adult Solid Tumor, Protocol Specific", "Untreated Metastatic Squamous Neck Cancer With Occult Primary" ], "interventions": [ { "name": "erlotinib hydrochloride", "type": "DRUG" }, { "name": "laboratory biomarker analysis", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "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": 75, "start_date": "2001-12", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-01-16", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00030498" }, { "nct_id": "NCT00006342", "title": "Genetic Study in Patients Receiving Treatment for Hodgkin's Disease or Childhood Brain Tumor", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Brain and Central Nervous System Tumors", "Lymphoma" ], "interventions": [ { "name": "chromosomal translocation analysis", "type": "GENETIC" }, { "name": "gene rearrangement analysis", "type": "GENETIC" }, { "name": "mutation analysis", "type": "GENETIC" } ], "intervention_types": [ "GENETIC" ], "sponsor": "Duke University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 19, "start_date": "1997-01", "completion_date": "2001-01", "has_results": false, "last_update_posted_date": "2015-10-15", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 1, "location_summary": "Durham, North Carolina", "locations": [ { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT00006342" }, { "nct_id": "NCT00069940", "title": "Vaccine Therapy and Sargramostim in Treating Patients With Sarcoma or Brain Tumor", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Brain and Central Nervous System Tumors", "Gastrointestinal Stromal Tumor", "Sarcoma" ], "interventions": [ { "name": "sargramostim", "type": "BIOLOGICAL" }, { "name": "telomerase: 540-548 peptide vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Dana-Farber Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": null, "sex": "ALL", "summary": "2 Years and older" }, "enrollment_count": null, "start_date": "2000-12", "completion_date": "2008-08", "has_results": false, "last_update_posted_date": "2010-12-28", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 1, "location_summary": "Boston, Massachusetts", "locations": [ { "city": "Boston", "state": "Massachusetts" } ], "official_url": "https://clinicaltrials.gov/study/NCT00069940" }, { "nct_id": "NCT06161974", "title": "Study of Olutasidenib and Temozolomide in HGG", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "High Grade Glioma", "Astrocytoma", "Astrocytoma, Grade III", "Astrocytoma, Grade IV", "Diffuse Intrinsic Pontine Glioma", "WHO Grade III Glioma", "WHO Grade IV Glioma", "Metastatic Brain Tumor", "Diffuse Midline Glioma, H3 K27M-Mutant", "Thalamus Tumor", "Spinal Tumor", "IDH1 Mutation", "IDH1 R132", "IDH1 R132C", "IDH1 R132H", "IDH1 R132S", "IDH1 R132G", "IDH1 R132L", "Oligodendroglioma" ], "interventions": [ { "name": "Olutasidenib + TMZ", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Rigel Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "39 Years", "sex": "ALL", "summary": "12 Years to 39 Years" }, "enrollment_count": 60, "start_date": "2025-03", "completion_date": "2035-06", "has_results": false, "last_update_posted_date": "2025-02-21", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 10, "location_summary": "Aurora, Colorado • Washington D.C., District of Columbia • Chicago, Illinois + 7 more", "locations": [ { "city": "Aurora", "state": "Colorado" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Chicago", "state": "Illinois" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT06161974" }, { "nct_id": "NCT00007813", "title": "Peripheral Stem Cell Transplantation Plus Chemotherapy in Treating Patients With Malignant Solid Tumors", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Brain and Central Nervous System Tumors", "Childhood Germ Cell Tumor", "Extragonadal Germ Cell Tumor", "Liver Cancer", "Neuroblastoma", "Ovarian Cancer", "Sarcoma", "Testicular Germ Cell Tumor" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "carboplatin", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "autologous bone marrow transplantation", "type": "PROCEDURE" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE" ], "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "35 Years", "sex": "ALL", "summary": "Up to 35 Years" }, "enrollment_count": 21, "start_date": "1997-05-31", "completion_date": "2005-02-01", "has_results": false, "last_update_posted_date": "2020-02-17", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT00007813" }, { "nct_id": "NCT00004212", "title": "DX-8951f in Treating Children With Advanced Solid Tumors or Lymphomas", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Brain and Central Nervous System Tumors", "Lymphoma", "Unspecified Childhood Solid Tumor, Protocol Specific" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "exatecan mesylate", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "Daiichi Sankyo", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "21 Years", "sex": "ALL", "summary": "Up to 21 Years" }, "enrollment_count": null, "start_date": "1999-09", "completion_date": "2004-04", "has_results": false, "last_update_posted_date": "2012-05-16", "last_synced_at": "2026-05-21T23:24:10.730Z", "location_count": 4, "location_summary": "New York, New York • Memphis, Tennessee • Dallas, Texas + 1 more", "locations": [ { "city": "New York", "state": "New York" }, { "city": "Memphis", "state": "Tennessee" }, { "city": "Dallas", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00004212" } ] }