{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phenylalanine+%28Phe%29&page=19", "query": { "intervention": "Phenylalanine (Phe)", "page": 19 }, "page_size": 10 }, "pagination": { "page": 19, "page_size": 10, "total_count": 665, "total_pages": 67, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phenylalanine+%28Phe%29&page=20&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Phenylalanine+%28Phe%29&page=18&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-16T05:45:06.206Z", "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": "NCT03242824", "title": "The Utility of 18F-DOPA-PET in the Treatment of Recurrent High-grade Glioma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Glioma" ], "interventions": [ { "name": "Fluorine F 18 Fluorodopa", "type": "DRUG" }, { "name": "Intensity-Modulated Radiation Therapy", "type": "RADIATION" }, { "name": "Positron Emission Tomography", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "RADIATION", "PROCEDURE" ], "sponsor": "Mayo Clinic", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 21, "start_date": "2017-09-29", "completion_date": "2021-06-16", "has_results": true, "last_update_posted_date": "2023-03-14", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 1, "location_summary": "Rochester, Minnesota", "locations": [ { "city": "Rochester", "state": "Minnesota" } ], "official_url": "https://clinicaltrials.gov/study/NCT03242824" }, { "nct_id": "NCT03602235", "title": "High Dose Ascorbic Acid for Plasma Cell Disorders", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Multiple Myeloma" ], "interventions": [ { "name": "Ascorbate", "type": "OTHER" }, { "name": "Melphalan", "type": "DRUG" } ], "intervention_types": [ "OTHER", "DRUG" ], "sponsor": "Christopher Strouse", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 6, "start_date": "2019-03-05", "completion_date": "2025-09-03", "has_results": false, "last_update_posted_date": "2025-10-21", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 1, "location_summary": "Iowa City, Iowa", "locations": [ { "city": "Iowa City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT03602235" }, { "nct_id": "NCT00301860", "title": "Donor Stem Cell Transplant Followed By Donor White Blood Cell Infusions in Treating Young Patients With Hematologic Cancer", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Leukemia", "Lymphoma" ], "interventions": [ { "name": "anti-thymocyte globulin", "type": "BIOLOGICAL" }, { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "therapeutic allogeneic lymphocytes", "type": "BIOLOGICAL" }, { "name": "cyclosporine", "type": "DRUG" }, { "name": "fludarabine phosphate", "type": "DRUG" }, { "name": "melphalan", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "allogeneic hematopoietic stem cell transplantation", "type": "PROCEDURE" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "21 Years", "sex": "ALL", "summary": "Up to 21 Years" }, "enrollment_count": 8, "start_date": "2003-01", "completion_date": "2007-11", "has_results": false, "last_update_posted_date": "2013-07-15", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00301860" }, { "nct_id": "NCT04064294", "title": "Preventing Levodopa Induced Dyskinesia in Parkinson's Disease With HMG-CoA Reductase Inhibitors", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Parkinson Disease", "Dyskinesia, Drug-Induced" ], "interventions": [ { "name": "Intravenous Infusion", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "VA Office of Research and Development", "sponsor_class": "FED", "healthy_volunteers": false, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 93, "start_date": "2019-08-22", "completion_date": "2024-03-31", "has_results": true, "last_update_posted_date": "2025-04-11", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 3, "location_summary": "Portland, Oregon • Seattle, Washington", "locations": [ { "city": "Portland", "state": "Oregon" }, { "city": "Portland", "state": "Oregon" }, { "city": "Seattle", "state": "Washington" } ], "official_url": "https://clinicaltrials.gov/study/NCT04064294" }, { "nct_id": "NCT00064337", "title": "S0115, High-Dose Melphalan and Autologous Peripheral Stem Cell Transplantation in Treating Patients With Multiple Myeloma or Primary Systemic Amyloidosis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Multiple Myeloma", "Plasma Cell Myeloma" ], "interventions": [ { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "melphalan", "type": "DRUG" }, { "name": "thalidomide", "type": "DRUG" }, { "name": "peripheral blood stem cell transplantation", "type": "PROCEDURE" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "PROCEDURE" ], "sponsor": "SWOG Cancer Research Network", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "120 Years", "sex": "ALL", "summary": "18 Years to 120 Years" }, "enrollment_count": 104, "start_date": "2004-01", "completion_date": "2015-11", "has_results": true, "last_update_posted_date": "2018-08-09", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 35, "location_summary": "Little Rock, Arkansas • Sacramento, California • Boise, Idaho + 19 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Sacramento", "state": "California" }, { "city": "Boise", "state": "Idaho" }, { "city": "Kansas City", "state": "Kansas" }, { "city": "Salina", "state": "Kansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00064337" }, { "nct_id": "NCT03609827", "title": "Study of Melphalan Drug Exposure in Pediatric Hematopoietic Stem Cell Transplant Patients", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Hematologic Malignancies", "Nonmalignant Diseases", "Immunodeficiencies", "Hemoglobinopathies", "Genetic Inborn Errors of Metabolism", "Fanconi's Anemia", "Thalassemia", "Sickle Cell Disease" ], "interventions": [ { "name": "Melphalan", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of California, San Francisco", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "17 Years", "sex": "ALL", "summary": "Up to 17 Years" }, "enrollment_count": 25, "start_date": "2015-09-01", "completion_date": "2021-05-31", "has_results": false, "last_update_posted_date": "2021-10-04", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 1, "location_summary": "San Francisco, California", "locations": [ { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03609827" }, { "nct_id": "NCT04493320", "title": "1/2-Dopaminergic Dysfunction in Late-Life Depression (The D3 Study)", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Depression", "Cognitive Impairment", "Gait Impairment" ], "interventions": [ { "name": "Carbidopa/levodopa", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "New York State Psychiatric Institute", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "60 Years", "maximum_age": null, "sex": "ALL", "summary": "60 Years and older" }, "enrollment_count": 5, "start_date": "2021-02-10", "completion_date": "2021-10-27", "has_results": true, "last_update_posted_date": "2023-05-22", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 1, "location_summary": "New York, New York", "locations": [ { "city": "New York", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT04493320" }, { "nct_id": "NCT01849783", "title": "Autologous Stem Cell Transplant Followed By Maintenance Therapy in Treating Elderly Patients With Multiple Myeloma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Extramedullary Plasmacytoma", "Isolated Plasmacytoma of Bone", "Light Chain Deposition Disease", "Primary Systemic Amyloidosis", "Stage I Multiple Myeloma", "Stage II Multiple Myeloma", "Stage III Multiple Myeloma" ], "interventions": [ { "name": "dexamethasone", "type": "DRUG" }, { "name": "cisplatin", "type": "DRUG" }, { "name": "doxorubicin", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "bortezomib", "type": "DRUG" }, { "name": "thalidomide", "type": "DRUG" }, { "name": "melphalan", "type": "DRUG" }, { "name": "autologous stem cell transplant", "type": "PROCEDURE" } ], "intervention_types": [ "DRUG", "PROCEDURE" ], "sponsor": "Margarida Magalhaes-Silverman", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "65 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "65 Years to 85 Years" }, "enrollment_count": 41, "start_date": "2013-04-04", "completion_date": "2020-09-30", "has_results": true, "last_update_posted_date": "2022-05-11", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 1, "location_summary": "Iowa City, Iowa", "locations": [ { "city": "Iowa City", "state": "Iowa" } ], "official_url": "https://clinicaltrials.gov/study/NCT01849783" }, { "nct_id": "NCT03952156", "title": "Gene Therapy Clinical Study in Adult PKU", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Phenylketonurias", "PAH Deficiency" ], "interventions": [ { "name": "HMI-102", "type": "GENETIC" } ], "intervention_types": [ "GENETIC" ], "sponsor": "Homology Medicines, Inc", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 10, "start_date": "2019-06-10", "completion_date": "2023-08-01", "has_results": false, "last_update_posted_date": "2023-08-29", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 13, "location_summary": "Los Angeles, California • Orange, California • Tampa, Florida + 10 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Orange", "state": "California" }, { "city": "Tampa", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT03952156" }, { "nct_id": "NCT00856388", "title": "Fludarabine Phosphate, Melphalan, Total-Body Irradiation, Donor Stem Cell Transplant in Treating Patients With Hematologic Cancer or Bone Marrow Failure Disorders", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Accelerated Phase Chronic Myelogenous Leukemia", "Acute Myeloid Leukemia With Multilineage Dysplasia Following Myelodysplastic Syndrome", "Adult Acute Lymphoblastic Leukemia in Remission", "Adult Acute Myeloid Leukemia in Remission", "Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities", "Adult Acute Myeloid Leukemia With Del(5q)", "Adult Acute Myeloid Leukemia With Inv(16)(p13;q22)", "Adult Acute Myeloid Leukemia With t(15;17)(q22;q12)", "Adult Acute Myeloid Leukemia With t(16;16)(p13;q22)", "Adult Acute Myeloid Leukemia With t(8;21)(q22;q22)", "Adult Nasal Type Extranodal NK/T-cell Lymphoma", "Anaplastic Large Cell Lymphoma", "Angioimmunoblastic T-cell Lymphoma", "Aplastic Anemia", "Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative", "Childhood Acute Lymphoblastic Leukemia in Remission", "Childhood Acute Myeloid Leukemia in Remission", "Childhood Chronic Myelogenous Leukemia", "Childhood Diffuse Large Cell Lymphoma", "Childhood Immunoblastic Large Cell Lymphoma", "Childhood Myelodysplastic Syndromes", "Childhood Nasal Type Extranodal NK/T-cell Lymphoma", "Chronic Eosinophilic Leukemia", "Chronic Myelomonocytic Leukemia", "Chronic Neutrophilic Leukemia", "Chronic Phase Chronic Myelogenous Leukemia", "de Novo Myelodysplastic Syndromes", "Extranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue", "Fanconi Anemia", "Juvenile Myelomonocytic Leukemia", "Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable", "Nodal Marginal Zone B-cell Lymphoma", "Noncontiguous Stage II Adult Burkitt Lymphoma", "Noncontiguous Stage II Adult Diffuse Large Cell Lymphoma", "Noncontiguous Stage II Adult Diffuse Mixed Cell Lymphoma", "Noncontiguous Stage II Adult Diffuse Small Cleaved Cell Lymphoma", "Noncontiguous Stage II Adult Immunoblastic Large Cell Lymphoma", "Noncontiguous Stage II Adult Lymphoblastic Lymphoma", "Noncontiguous Stage II Grade 1 Follicular Lymphoma", "Noncontiguous Stage II Grade 2 Follicular Lymphoma", "Noncontiguous Stage II Grade 3 Follicular Lymphoma", "Noncontiguous Stage II Mantle Cell Lymphoma", "Noncontiguous Stage II Marginal Zone Lymphoma", "Noncontiguous Stage II Small Lymphocytic Lymphoma", "Paroxysmal Nocturnal Hemoglobinuria", "Previously Treated Myelodysplastic Syndromes", "Primary Myelofibrosis", "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 Grade III Lymphomatoid Granulomatosis", "Recurrent Adult Hodgkin Lymphoma", "Recurrent Adult Immunoblastic Large Cell Lymphoma", "Recurrent Adult Lymphoblastic Lymphoma", "Recurrent Adult T-cell Leukemia/Lymphoma", "Recurrent Childhood Acute Lymphoblastic Leukemia", "Recurrent Childhood Acute Myeloid Leukemia", "Recurrent Childhood Anaplastic Large Cell Lymphoma", "Recurrent Childhood Grade III Lymphomatoid Granulomatosis", "Recurrent Childhood Large Cell Lymphoma", "Recurrent Childhood Lymphoblastic Lymphoma", "Recurrent Childhood Small Noncleaved Cell Lymphoma", "Recurrent Cutaneous T-cell Non-Hodgkin 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 Mycosis Fungoides/Sezary Syndrome", "Recurrent Small Lymphocytic Lymphoma", "Recurrent/Refractory Childhood Hodgkin Lymphoma", "Refractory Chronic Lymphocytic Leukemia", "Refractory Multiple Myeloma", "Relapsing Chronic Myelogenous Leukemia", "Secondary Acute Myeloid Leukemia", "Secondary Myelodysplastic Syndromes", "Splenic Marginal Zone 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 Small Lymphocytic Lymphoma", "Stage IV Adult Burkitt 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", "Waldenström Macroglobulinemia" ], "interventions": [ { "name": "fludarabine phosphate", "type": "DRUG" }, { "name": "melphalan", "type": "DRUG" }, { "name": "total-body irradiation", "type": "RADIATION" }, { "name": "allogeneic hematopoietic stem cell transplantation", "type": "PROCEDURE" }, { "name": "anti-thymocyte globulin", "type": "BIOLOGICAL" } ], "intervention_types": [ "DRUG", "RADIATION", "PROCEDURE", "BIOLOGICAL" ], "sponsor": "Roswell Park Cancer Institute", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "3 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "3 Years to 75 Years" }, "enrollment_count": 62, "start_date": "2009-01-14", "completion_date": "2019-03-13", "has_results": true, "last_update_posted_date": "2019-11-13", "last_synced_at": "2026-10-16T05:45:06.206Z", "location_count": 1, "location_summary": "Buffalo, New York", "locations": [ { "city": "Buffalo", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00856388" } ] }