{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Peripheral+Blood+Draw&page=2", "query": { "intervention": "Peripheral Blood Draw", "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?intervention=Peripheral+Blood+Draw&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-15T02:04:00.300Z", "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": "NCT00003944", "title": "Combination Chemotherapy Plus Peripheral Stem Cell Transplantation in Treating Patients With Stage III or Stage IV Ovarian, Fallopian Tube, or Primary Peritoneal Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Fallopian Tube Cancer", "Ovarian Cancer", "Peritoneal Cavity Cancer" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "carboplatin", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "paclitaxel", "type": "DRUG" }, { "name": "topotecan hydrochloride", "type": "DRUG" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE" ], "sponsor": "Fox Chase Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "FEMALE", "summary": "18 Years and older · Female only" }, "enrollment_count": 3, "start_date": "1998-08", "completion_date": "2003-02", "has_results": false, "last_update_posted_date": "2013-04-17", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 1, "location_summary": "Philadelphia, Pennsylvania", "locations": [ { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT00003944" }, { "nct_id": "NCT00004907", "title": "Chemotherapy and Radiation Therapy Plus Bone Marrow or Peripheral Stem Cell Transplantation in Treating Patients With Relapsed or Refractory T-cell Lymphoma, Hodgkin's Lymphoma, or Non-Hodgkin's Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Lymphoma" ], "interventions": [ { "name": "busulfan", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "allogeneic bone marrow transplantation", "type": "PROCEDURE" }, { "name": "bone marrow ablation with stem cell support", "type": "PROCEDURE" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" }, { "name": "radiation therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "Northwestern University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "15 Years", "maximum_age": "60 Years", "sex": "ALL", "summary": "15 Years to 60 Years" }, "enrollment_count": null, "start_date": "1999-10", "completion_date": "2004-08", "has_results": false, "last_update_posted_date": "2012-06-12", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00004907" }, { "nct_id": "NCT00575809", "title": "Incidence and Factors Associated With the Development and Severity of Oral Mucositis", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Peripheral Blood Stem Cell Transplantation" ], "interventions": [ { "name": "Mucositis and nutritional assessments", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "The University of Texas Health Science Center at San Antonio", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 633, "start_date": "2005-05", "completion_date": "2021-07-15", "has_results": false, "last_update_posted_date": "2021-07-21", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 2, "location_summary": "San Antonio, Texas", "locations": [ { "city": "San Antonio", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00575809" }, { "nct_id": "NCT00105001", "title": "Tacrolimus and Mycophenolate Mofetil With or Without Sirolimus in Preventing Acute Graft-Versus-Host Disease in Patients Who Are Undergoing Donor Stem Cell Transplant for Hematologic Cancer", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable", "Previously Treated Myelodysplastic Syndrome", "Refractory Chronic Lymphocytic Leukemia", "Refractory Plasma Cell Myeloma", "Waldenstrom Macroglobulinemia", "Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive", "Adult Acute Lymphoblastic Leukemia in Remission", "Adult Acute Myeloid Leukemia in Remission", "Adult Acute Myeloid Leukemia With t(9;11)(p22;q23); MLLT3-MLL", "Adult Acute Myeloid Leukemia With Inv(16)(p13.1q22); CBFB-MYH11", "Adult Acute Promyelocytic Leukemia With t(15;17)(q22;q12); PML-RARA", "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22); RUNX1-RUNX1T1", "Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative", "Blast Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive", "Childhood Acute Lymphoblastic Leukemia in Remission", "Childhood Acute Myeloid Leukemia in Remission", "Childhood Burkitt Lymphoma", "Childhood Chronic Myelogenous Leukemia, BCR-ABL1 Positive", "Childhood Diffuse Large Cell Lymphoma", "Childhood Immunoblastic Lymphoma", "Childhood Myelodysplastic Syndrome", "Stage II Contiguous Adult Burkitt Lymphoma", "Stage II Contiguous Adult Diffuse Large Cell Lymphoma", "Stage II Contiguous Adult Diffuse Mixed Cell Lymphoma", "Stage II Contiguous Adult Diffuse Small Cleaved Cell Lymphoma", "Stage II Adult Contiguous Immunoblastic Lymphoma", "Stage II Contiguous Adult Lymphoblastic Lymphoma", "Stage II Grade 1 Contiguous Follicular Lymphoma", "Stage II Grade 2 Contiguous Follicular Lymphoma", "Stage II Grade 3 Contiguous Follicular Lymphoma", "Stage II Contiguous Mantle Cell Lymphoma", "Stage II Non-Contiguous Adult Burkitt Lymphoma", "Stage II Non-Contiguous Adult Diffuse Large Cell Lymphoma", "Stage II Non-Contiguous Adult Diffuse Mixed Cell Lymphoma", "Stage II Non-Contiguous Adult Diffuse Small Cleaved Cell Lymphoma", "Stage II Adult Non-Contiguous Immunoblastic Lymphoma", "Stage II Non-Contiguous Adult Lymphoblastic Lymphoma", "Stage II Grade 1 Non-Contiguous Follicular Lymphoma", "Stage II Grade 2 Non-Contiguous Follicular Lymphoma", "Stage II Grade 3 Non-Contiguous Follicular Lymphoma", "Stage II Non-Contiguous Mantle Cell Lymphoma", "Stage II Small Lymphocytic Lymphoma", "Recurrent Adult Acute Lymphoblastic Leukemia", "Recurrent Adult Acute Myeloid Leukemia", "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 Hodgkin Lymphoma", "Recurrent Adult Immunoblastic Lymphoma", "Recurrent Adult Lymphoblastic Lymphoma", "Recurrent Childhood Acute Lymphoblastic Leukemia", "Recurrent Childhood Acute Myeloid Leukemia", "Recurrent Childhood Anaplastic Large Cell Lymphoma", "Recurrent Childhood Large Cell Lymphoma", "Recurrent Childhood Lymphoblastic Lymphoma", "Recurrent Childhood Burkitt 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", "Recurrent Childhood Hodgkin Lymphoma", "Recurrent Chronic Myelogenous Leukemia, BCR-ABL1 Positive", "Secondary Myelodysplastic Syndrome", "Stage I Adult Burkitt Lymphoma", "Stage I Adult Diffuse Large Cell Lymphoma", "Stage I Adult Diffuse Mixed Cell Lymphoma", "Stage I Adult Immunoblastic Lymphoma", "Stage I Adult Lymphoblastic Lymphoma", "Stage I Childhood Anaplastic Large Cell Lymphoma", "Stage I Childhood Large Cell Lymphoma", "Stage I Childhood Lymphoblastic Lymphoma", "Stage I Childhood Burkitt Lymphoma", "Stage I Grade 1 Follicular Lymphoma", "Stage I Grade 2 Follicular Lymphoma", "Stage I Grade 3 Follicular Lymphoma", "Stage I Mantle Cell Lymphoma", "Stage I Marginal Zone Lymphoma", "Stage I Small Lymphocytic Lymphoma", "Stage II Childhood Anaplastic Large Cell Lymphoma", "Stage II Childhood Lymphoblastic Lymphoma", "Stage II Childhood Burkitt Lymphoma", "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 Lymphoma", "Stage III Adult Lymphoblastic Lymphoma", "Stage III Childhood Anaplastic Large Cell Lymphoma", "Stage III Childhood Large Cell Lymphoma", "Stage III Childhood Lymphoblastic Lymphoma", "Stage III Childhood Burkitt 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 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 Lymphoma", "Stage IV Adult Lymphoblastic Lymphoma", "Stage IV Childhood Anaplastic Large Cell Lymphoma", "Stage IV Childhood Large Cell Lymphoma", "Stage IV Childhood Lymphoblastic Lymphoma", "Stage IV Childhood Burkitt 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" ], "interventions": [ { "name": "Fludarabine Phosphate", "type": "DRUG" }, { "name": "Total-Body Irradiation", "type": "RADIATION" }, { "name": "Peripheral Blood Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Allogeneic Hematopoietic Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Tacrolimus", "type": "DRUG" }, { "name": "Mycophenolate Mofetil", "type": "DRUG" }, { "name": "Sirolimus", "type": "DRUG" } ], "intervention_types": [ "DRUG", "RADIATION", "PROCEDURE" ], "sponsor": "Fred Hutchinson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": null, "sex": "ALL", "summary": "Not listed" }, "enrollment_count": 210, "start_date": "2004-11", "completion_date": "2015-05-08", "has_results": true, "last_update_posted_date": "2019-10-30", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 7, "location_summary": "Denver, Colorado • Atlanta, Georgia • Salt Lake City, Utah + 2 more", "locations": [ { "city": "Denver", "state": "Colorado" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Salt Lake City", "state": "Utah" }, { "city": "Salt Lake City", "state": "Utah" }, { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT00105001" }, { "nct_id": "NCT03225092", "title": "Platelet-rich Plasma Injections for Persistent Medial Knee Pain After Total Knee Arthroplasty", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Knee Pain Chronic", "Pes Anserinus Bursitis", "Status-Post Total Knee Arthroplasty" ], "interventions": [ { "name": "Ultrasound-guided platelet rich plasma injection", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Ohio State University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 0, "start_date": "2017-07-18", "completion_date": "2019-06-30", "has_results": false, "last_update_posted_date": "2020-04-17", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 1, "location_summary": "Columbus, Ohio", "locations": [ { "city": "Columbus", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT03225092" }, { "nct_id": "NCT03128034", "title": "211^At-BC8-B10 Before Donor Stem Cell Transplant in Treating Patients With High-Risk Acute Myeloid Leukemia, Acute Lymphoblastic Leukemia, Myelodysplastic Syndrome, or Mixed-Phenotype Acute Leukemia", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Acute Lymphoblastic Leukemia", "Acute Myeloid Leukemia Arising From Previous Myelodysplastic Syndrome", "Acute Myeloid Leukemia", "Chronic Myelomonocytic Leukemia", "Myelodysplastic Syndrome With Excess Blasts", "Recurrent Acute Myeloid Leukemia", "Refractory Acute Lymphoblastic Leukemia", "Recurrent Acute Lymphoblastic Leukemia", "Recurrent Mixed Phenotype Acute Leukemia", "Refractory Acute Myeloid Leukemia", "Refractory Mixed Phenotype Acute Leukemia", "Mixed Phenotype Acute Leukemia" ], "interventions": [ { "name": "Cyclosporine", "type": "DRUG" }, { "name": "Fludarabine Phosphate", "type": "DRUG" }, { "name": "Mycophenolate Mofetil", "type": "DRUG" }, { "name": "Peripheral Blood Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Pretargeted Radioimmunotherapy", "type": "RADIATION" }, { "name": "Total-Body Irradiation", "type": "RADIATION" }, { "name": "Biospecimen Collection", "type": "PROCEDURE" }, { "name": "Single Photon Emission Computed Tomography", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "Fred Hutchinson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 75, "start_date": "2017-10-24", "completion_date": "2029-03-31", "has_results": false, "last_update_posted_date": "2026-06-22", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 1, "location_summary": "Seattle, Washington", "locations": [ { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT03128034" }, { "nct_id": "NCT00795132", "title": "Hematopoietic Cell Transplantation for Pediatric Patients With Hematologic Malignancies", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Acute Leukaemia", "Chronic Disease", "Leukemia", "Myelodysplasia", "Lymphoma" ], "interventions": [ { "name": "Busulfan", "type": "DRUG" }, { "name": "Anti-Thymocyte Globulin", "type": "DRUG" }, { "name": "Fludarabine", "type": "DRUG" }, { "name": "Cyclosporine", "type": "DRUG" }, { "name": "Mycophenolate mofetil", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Utah", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "21 Years", "sex": "ALL", "summary": "Up to 21 Years" }, "enrollment_count": 47, "start_date": "2004-04", "completion_date": "2009-07", "has_results": true, "last_update_posted_date": "2013-07-30", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 1, "location_summary": "Salt Lake City, Utah", "locations": [ { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT00795132" }, { "nct_id": "NCT01252667", "title": "Clofarabine and Low-Dose Total-Body Irradiation in Treating Patients With Acute Myeloid Leukemia Undergoing Donor Peripheral Blood Stem Cell Transplant", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Acute Myeloid Leukemia" ], "interventions": [ { "name": "Allogeneic Hematopoietic Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Clofarabine", "type": "DRUG" }, { "name": "Cyclosporine", "type": "DRUG" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Mycophenolate Mofetil", "type": "DRUG" }, { "name": "Peripheral Blood Stem Cell Transplantation", "type": "PROCEDURE" }, { "name": "Pharmacological Study", "type": "OTHER" }, { "name": "Total-Body Irradiation", "type": "RADIATION" } ], "intervention_types": [ "PROCEDURE", "DRUG", "OTHER", "RADIATION" ], "sponsor": "Fred Hutchinson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": null, "sex": "ALL", "summary": "2 Years and older" }, "enrollment_count": 44, "start_date": "2011-01-25", "completion_date": "2019-03", "has_results": true, "last_update_posted_date": "2020-04-16", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 4, "location_summary": "Aurora, Colorado • New Orleans, Louisiana • Seattle, Washington", "locations": [ { "city": "Aurora", "state": "Colorado" }, { "city": "New Orleans", "state": "Louisiana" }, { "city": "Seattle", "state": "Washington" }, { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT01252667" }, { "nct_id": "NCT06087575", "title": "Early Feasibility Study of the Supira System in Patients Undergoing HRPCI", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Coronary Artery Disease", "High-risk Percutaneous Coronary Intervention", "Interventional Cardiology" ], "interventions": [ { "name": "Supira System", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "Supira Medical", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "90 Years", "sex": "ALL", "summary": "18 Years to 90 Years" }, "enrollment_count": 15, "start_date": "2024-10-04", "completion_date": "2025-04-17", "has_results": false, "last_update_posted_date": "2026-02-09", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 4, "location_summary": "Sacramento, California • Atlanta, Georgia • New York, New York + 1 more", "locations": [ { "city": "Sacramento", "state": "California" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "New York", "state": "New York" }, { "city": "The Bronx", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT06087575" }, { "nct_id": "NCT00017368", "title": "Combination Chemotherapy Plus Peripheral Stem Cell Transplantation in Treating Children With Newly Diagnosed Neuroblastoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Neuroblastoma" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "sargramostim", "type": "BIOLOGICAL" }, { "name": "carboplatin", "type": "DRUG" }, { "name": "cisplatin", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "etoposide phosphate", "type": "DRUG" }, { "name": "ifosfamide", "type": "DRUG" }, { "name": "isotretinoin", "type": "DRUG" }, { "name": "melphalan", "type": "DRUG" }, { "name": "thiotepa", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "conventional surgery", "type": "PROCEDURE" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" }, { "name": "radiation therapy", "type": "RADIATION" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "30 Years", "sex": "ALL", "summary": "Up to 30 Years" }, "enrollment_count": 42, "start_date": "2001-04", "completion_date": "2012-01", "has_results": false, "last_update_posted_date": "2014-02-13", "last_synced_at": "2026-09-15T02:04:00.300Z", "location_count": 8, "location_summary": "Atlanta, Georgia • Boston, Massachusetts • Portland, Oregon + 4 more", "locations": [ { "city": "Atlanta", "state": "Georgia" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Boston", "state": "Massachusetts" }, { "city": "Portland", "state": "Oregon" }, { "city": "Philadelphia", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT00017368" } ] }