{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+I+Liver+Cancer&page=4", "query": { "condition": "Stage I Liver Cancer", "page": 4 }, "page_size": 10 }, "pagination": { "page": 4, "page_size": 10, "total_count": 257, "total_pages": 26, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+I+Liver+Cancer&page=5&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Stage+I+Liver+Cancer&page=3&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-04T04:20:38.689Z", "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": "NCT00746317", "title": "A Phase I Study of GC33 in Advanced or Metastatic Liver Cancer (Hepatocellular Carcinoma)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Advanced or Metastatic HCC" ], "interventions": [ { "name": "GC33", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Chugai Pharmaceutical", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 27, "start_date": "2008-09", "completion_date": "2012-10", "has_results": false, "last_update_posted_date": "2012-10-17", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 9, "location_summary": "Los Angeles, California • Boston, Massachusetts • Detroit, Michigan + 4 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Detroit", "state": "Michigan" } ], "official_url": "https://clinicaltrials.gov/study/NCT00746317" }, { "nct_id": "NCT00716976", "title": "Sodium Thiosulfate in Preventing Hearing Loss in Young Patients Receiving Cisplatin for Newly Diagnosed Germ Cell Tumor, Hepatoblastoma, Medulloblastoma, Neuroblastoma, Osteosarcoma, or Other Malignancy", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Brain Tumor", "Central Nervous System Tumor", "Childhood Germ Cell Tumor", "Extragonadal Germ Cell Tumor", "Liver Cancer", "Neuroblastoma", "Ototoxicity", "Ovarian Cancer", "Sarcoma" ], "interventions": [ { "name": "sodium thiosulfate", "type": "DRUG" }, { "name": "examination", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "18 Years", "sex": "ALL", "summary": "1 Year to 18 Years" }, "enrollment_count": 131, "start_date": "2008-06-23", "completion_date": "2021-06-30", "has_results": true, "last_update_posted_date": "2023-11-09", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 68, "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 61 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Madera", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00716976" }, { "nct_id": "NCT02642913", "title": "Study of Enzalutamide With and Without Sorafenib in Advanced Hepatocellular Carcinoma Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Hepatocellular Carcinoma" ], "interventions": [ { "name": "Enzalutamide", "type": "DRUG" }, { "name": "Enzalutamide with Sorafenib", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "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": 28, "start_date": "2015-12", "completion_date": "2021-03-01", "has_results": false, "last_update_posted_date": "2021-03-05", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 5, "location_summary": "San Francisco, California • St Louis, Missouri • Buffalo, New York + 2 more", "locations": [ { "city": "San Francisco", "state": "California" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Buffalo", "state": "New York" }, { "city": "Harrison", "state": "New York" }, { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT02642913" }, { "nct_id": "NCT00567970", "title": "Stereotactic Radiation Therapy in Treating Patients With Liver Metastases", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Metastatic Cancer" ], "interventions": [ { "name": "quality-of-life assessment", "type": "PROCEDURE" }, { "name": "stereotactic body radiation therapy", "type": "RADIATION" } ], "intervention_types": [ "PROCEDURE", "RADIATION" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "120 Years", "sex": "ALL", "summary": "18 Years to 120 Years" }, "enrollment_count": 9, "start_date": "2007-04-02", "completion_date": "2016-04-21", "has_results": false, "last_update_posted_date": "2018-10-09", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 1, "location_summary": "Jacksonville, Florida", "locations": [ { "city": "Jacksonville", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00567970" }, { "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": "2026-10-04T04:20:38.689Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00004074" }, { "nct_id": "NCT00002485", "title": "Development of Strategies to Increase Enrollment in Clinical Trials for Children With Cancer", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Brain and Central Nervous System Tumors", "Childhood Germ Cell Tumor", "Extragonadal Germ Cell Tumor", "Leukemia", "Liver Cancer", "Lymphoma", "Neuroblastoma", "Ovarian Cancer", "Psychosocial Effects of Cancer and Its Treatment", "Sarcoma", "Unspecified Childhood Solid Tumor, Protocol Specific" ], "interventions": [ { "name": "psychosocial assessment and care", "type": "PROCEDURE" } ], "intervention_types": [ "PROCEDURE" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "21 Years", "sex": "ALL", "summary": "Up to 21 Years" }, "enrollment_count": 359, "start_date": "1992-02", "completion_date": "2005-09", "has_results": false, "last_update_posted_date": "2014-02-14", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 26, "location_summary": "Sacramento, California • Gainesville, Florida • Miami, Florida + 23 more", "locations": [ { "city": "Sacramento", "state": "California" }, { "city": "Gainesville", "state": "Florida" }, { "city": "Miami", "state": "Florida" }, { "city": "Tampa", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002485" }, { "nct_id": "NCT00118170", "title": "Sorafenib in Treating Patients With Metastatic or Unresectable Solid Tumors, Multiple Myeloma, or Non-Hodgkin's Lymphoma With or Without Impaired Liver or Kidney Function", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue", "Nodal Marginal Zone B-cell Lymphoma", "Recurrent Adult Burkitt Lymphoma", "Recurrent Adult Diffuse Large Cell Lymphoma", "Recurrent Adult Diffuse Mixed Cell Lymphoma", "Recurrent Adult Diffuse Small Cleaved Cell Lymphoma", "Recurrent Adult Grade III Lymphomatoid Granulomatosis", "Recurrent Adult Immunoblastic Large Cell Lymphoma", "Recurrent Adult Lymphoblastic Lymphoma", "Recurrent Grade 1 Follicular Lymphoma", "Recurrent Grade 2 Follicular Lymphoma", "Recurrent Grade 3 Follicular Lymphoma", "Recurrent Mantle Cell Lymphoma", "Recurrent Marginal Zone Lymphoma", "Recurrent Small Lymphocytic Lymphoma", "Refractory Multiple Myeloma", "Splenic Marginal Zone Lymphoma", "Stage II Multiple Myeloma", "Stage III Adult Burkitt Lymphoma", "Stage III Adult Diffuse Large Cell Lymphoma", "Stage III Adult Diffuse Mixed Cell Lymphoma", "Stage III Adult Diffuse Small Cleaved Cell Lymphoma", "Stage III Adult Immunoblastic Large Cell Lymphoma", "Stage III Adult Lymphoblastic Lymphoma", "Stage III Grade 1 Follicular Lymphoma", "Stage III Grade 2 Follicular Lymphoma", "Stage III Grade 3 Follicular Lymphoma", "Stage III Mantle Cell Lymphoma", "Stage III Marginal Zone Lymphoma", "Stage III Multiple Myeloma", "Stage III Small Lymphocytic Lymphoma", "Stage IV Adult Burkitt Lymphoma", "Stage IV Adult Diffuse Large Cell Lymphoma", "Stage IV Adult Diffuse Mixed Cell Lymphoma", "Stage IV Adult Diffuse Small Cleaved Cell Lymphoma", "Stage IV Adult Immunoblastic Large Cell Lymphoma", "Stage IV Adult Lymphoblastic Lymphoma", "Stage IV Grade 1 Follicular Lymphoma", "Stage IV Grade 2 Follicular Lymphoma", "Stage IV Grade 3 Follicular Lymphoma", "Stage IV Mantle Cell Lymphoma", "Stage IV Marginal Zone Lymphoma", "Stage IV Small Lymphocytic Lymphoma", "Unspecified Adult Solid Tumor, Protocol Specific", "Waldenström Macroglobulinemia" ], "interventions": [ { "name": "sorafenib tosylate", "type": "DRUG" }, { "name": "pharmacological study", "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": 150, "start_date": "2004-10", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-01-07", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00118170" }, { "nct_id": "NCT00101270", "title": "Oxaliplatin and Irinotecan in Treating Young Patients With Refractory Solid Tumors or Lymphomas", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Childhood Burkitt Lymphoma", "Childhood Central Nervous System Germ Cell Tumor", "Childhood Diffuse Large Cell Lymphoma", "Childhood Grade III Lymphomatoid Granulomatosis", "Childhood Immunoblastic Large Cell Lymphoma", "Recurrent Childhood Brain Stem Glioma", "Recurrent Childhood Cerebellar Astrocytoma", "Recurrent Childhood Cerebral Astrocytoma", "Recurrent Childhood Ependymoma", "Recurrent Childhood Grade III Lymphomatoid Granulomatosis", "Recurrent Childhood Large Cell Lymphoma", "Recurrent Childhood Liver Cancer", "Recurrent Childhood Lymphoblastic Lymphoma", "Recurrent Childhood Malignant Germ Cell Tumor", "Recurrent Childhood Medulloblastoma", "Recurrent Childhood Rhabdomyosarcoma", "Recurrent Childhood Small Noncleaved Cell Lymphoma", "Recurrent Childhood Soft Tissue Sarcoma", "Recurrent Childhood Supratentorial Primitive Neuroectodermal Tumor", "Recurrent Childhood Visual Pathway Glioma", "Recurrent Colon Cancer", "Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor", "Recurrent Melanoma", "Recurrent Nasopharyngeal Cancer", "Recurrent Neuroblastoma", "Recurrent Osteosarcoma", "Recurrent Wilms Tumor and Other Childhood Kidney Tumors", "Recurrent/Refractory Childhood Hodgkin Lymphoma", "Unspecified Childhood Solid Tumor, Protocol Specific" ], "interventions": [ { "name": "irinotecan hydrochloride", "type": "DRUG" }, { "name": "oxaliplatin", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "21 Years", "sex": "ALL", "summary": "1 Year to 21 Years" }, "enrollment_count": 24, "start_date": "2005-03", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-06-05", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 1, "location_summary": "Arcadia, California", "locations": [ { "city": "Arcadia", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00101270" }, { "nct_id": "NCT00149396", "title": "Safety & Efficacy of NV1020 in Colorectal Cancer Metastatic to the Liver", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Colorectal Cancer", "Liver Neoplasms" ], "interventions": [ { "name": "NV1020", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "MediGene", "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": "2004-07", "completion_date": "2008-12", "has_results": true, "last_update_posted_date": "2018-04-24", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 5, "location_summary": "San Diego, California • Boston, Massachusetts • Pittsburgh, Pennsylvania + 2 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Pittsburgh", "state": "Pennsylvania" }, { "city": "Nashville", "state": "Tennessee" }, { "city": "Dallas", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00149396" }, { "nct_id": "NCT00021047", "title": "Epirubicin, Carboplatin, and Capecitabine in Treating Patients With Unresectable Locally Advanced, Metastatic, or Recurrent Solid Tumor", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Esophageal Cancer", "Extrahepatic Bile Duct Cancer", "Gastric Cancer", "Head and Neck Cancer", "Liver Cancer", "Unspecified Adult Solid Tumor, Protocol Specific" ], "interventions": [ { "name": "capecitabine", "type": "DRUG" }, { "name": "carboplatin", "type": "DRUG" }, { "name": "epirubicin hydrochloride", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "National Institutes of Health Clinical Center (CC)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": null, "start_date": "2001-07", "completion_date": "2004-06", "has_results": false, "last_update_posted_date": "2012-03-08", "last_synced_at": "2026-10-04T04:20:38.689Z", "location_count": 3, "location_summary": "Bethesda, Maryland • Portsmouth, Virginia", "locations": [ { "city": "Bethesda", "state": "Maryland" }, { "city": "Bethesda", "state": "Maryland" }, { "city": "Portsmouth", "state": "Virginia" } ], "official_url": "https://clinicaltrials.gov/study/NCT00021047" } ] }