{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=6-Thioguanine", "query": { "intervention": "6-Thioguanine" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 59, "total_pages": 6, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=6-Thioguanine&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-29T15:21:45.038Z", "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": "NCT00022126", "title": "Combination Chemotherapy With or Without Donor Bone Marrow Transplantation in Treating Infants With Previously Untreated Acute Lymphoblastic Leukemia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Leukemia" ], "interventions": [ { "name": "asparaginase", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "cyclosporine", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "daunorubicin hydrochloride", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "mercaptopurine", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "methylprednisolone", "type": "DRUG" }, { "name": "pegaspargase", "type": "DRUG" }, { "name": "thioguanine", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "allogeneic bone marrow transplantation", "type": "PROCEDURE" }, { "name": "radiation therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "PROCEDURE", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "1 Year", "sex": "ALL", "summary": "Up to 1 Year" }, "enrollment_count": 6, "start_date": "2002-11", "completion_date": "2006-04", "has_results": false, "last_update_posted_date": "2014-02-20", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 47, "location_summary": "Phoenix, Arizona • Loma Linda, California • Los Angeles, California + 38 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Loma Linda", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Madera", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00022126" }, { "nct_id": "NCT02297126", "title": "A Prospective Trial to Assess Cost and Clinical Outcomes of a Clinical Pharmacogenomic Program", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "NA" ], "conditions": [ "Adverse Drug Reaction" ], "interventions": [ { "name": "Pharmacogenetic Intervention Arm (pharmacogenetic testing)", "type": "OTHER" } ], "intervention_types": [ "OTHER" ], "sponsor": "Indiana University", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 4465, "start_date": "2015-03", "completion_date": "2019-05-03", "has_results": false, "last_update_posted_date": "2021-01-08", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 1, "location_summary": "Indianapolis, Indiana", "locations": [ { "city": "Indianapolis", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT02297126" }, { "nct_id": "NCT00005603", "title": "Combination Chemotherapy in Treating Children With Acute Lymphoblastic Leukemia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Leukemia" ], "interventions": [ { "name": "asparaginase", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "daunorubicin hydrochloride", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "mercaptopurine", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "prednisone", "type": "DRUG" }, { "name": "thioguanine", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "21 Years", "sex": "ALL", "summary": "1 Year to 21 Years" }, "enrollment_count": 276, "start_date": "2000-03", "completion_date": null, "has_results": false, "last_update_posted_date": "2014-02-20", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 20, "location_summary": "Los Angeles, California • Palo Alto, California • San Francisco, California + 16 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Palo Alto", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Washington D.C.", "state": "District of Columbia" }, { "city": "Peoria", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00005603" }, { "nct_id": "NCT00866749", "title": "Augmented Berlin-Frankfurt-Munster (BFM) Therapy for Adolescent/Young Adults With Acute Lymphoblastic Leukemia or Acute Lymphoblastic Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Lymphoblastic Leukemia", "Lymphoblastic Lymphoma" ], "interventions": [ { "name": "Daunorubicin", "type": "DRUG" }, { "name": "Vincristine", "type": "DRUG" }, { "name": "PEG-asparaginase", "type": "DRUG" }, { "name": "Intrathecal Methotrexate", "type": "DRUG" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "Cytarabine", "type": "DRUG" }, { "name": "Mercaptopurine", "type": "DRUG" }, { "name": "Methotrexate", "type": "DRUG" }, { "name": "Doxorubicin", "type": "DRUG" }, { "name": "Thioguanine", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "M.D. Anderson Cancer Center", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "40 Years", "sex": "ALL", "summary": "12 Years to 40 Years" }, "enrollment_count": 120, "start_date": "2006-09-12", "completion_date": "2018-07-26", "has_results": true, "last_update_posted_date": "2019-09-10", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 1, "location_summary": "Houston, Texas", "locations": [ { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00866749" }, { "nct_id": "NCT00002798", "title": "Combination Chemotherapy With or Without Bone Marrow Transplantation in Treating Children With Acute Myelogenous Leukemia or Myelodysplastic Syndrome", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Childhood Acute Erythroleukemia (M6)", "Childhood Acute Megakaryocytic Leukemia (M7)", "Childhood Acute Monoblastic Leukemia (M5a)", "Childhood Acute Monocytic Leukemia (M5b)", "Childhood Acute Myeloblastic Leukemia With Maturation (M2)", "Childhood Acute Myeloblastic Leukemia Without Maturation (M1)", "Childhood Acute Myelomonocytic Leukemia (M4)", "Childhood Myelodysplastic Syndromes", "Chronic Myelomonocytic Leukemia", "de Novo Myelodysplastic Syndromes", "Refractory Anemia", "Refractory Anemia With Excess Blasts", "Refractory Anemia With Excess Blasts in Transformation", "Refractory Anemia With Ringed Sideroblasts", "Secondary Myelodysplastic Syndromes", "Untreated Childhood Acute Myeloid Leukemia and Other Myeloid Malignancies" ], "interventions": [ { "name": "asparaginase", "type": "DRUG" }, { "name": "daunorubicin hydrochloride", "type": "DRUG" }, { "name": "fludarabine phosphate", "type": "DRUG" }, { "name": "therapeutic hydrocortisone", "type": "DRUG" }, { "name": "allogeneic bone marrow transplantation", "type": "PROCEDURE" }, { "name": "3-dimensional conformal radiation therapy", "type": "RADIATION" }, { "name": "filgrastim", "type": "BIOLOGICAL" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "idarubicin", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "thioguanine", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "aldesleukin", "type": "BIOLOGICAL" }, { "name": "busulfan", "type": "DRUG" } ], "intervention_types": [ "DRUG", "PROCEDURE", "RADIATION", "BIOLOGICAL" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "21 Years", "sex": "ALL", "summary": "Up to 21 Years" }, "enrollment_count": 880, "start_date": "1996-08", "completion_date": null, "has_results": false, "last_update_posted_date": "2013-01-16", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 1, "location_summary": "Arcadia, California", "locations": [ { "city": "Arcadia", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00002798" }, { "nct_id": "NCT00004228", "title": "Combination Chemotx in Treating Children or Adolescents With Newly Diagnosed Stg III or Stg IV Lymphoblastic Lymphoma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Lymphoma" ], "interventions": [ { "name": "asparaginase", "type": "DRUG" }, { "name": "cyclophosphamide", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "daunorubicin hydrochloride", "type": "DRUG" }, { "name": "dexamethasone", "type": "DRUG" }, { "name": "doxorubicin hydrochloride", "type": "DRUG" }, { "name": "leucovorin calcium", "type": "DRUG" }, { "name": "mercaptopurine", "type": "DRUG" }, { "name": "methotrexate", "type": "DRUG" }, { "name": "prednisone", "type": "DRUG" }, { "name": "thioguanine", "type": "DRUG" }, { "name": "vincristine sulfate", "type": "DRUG" }, { "name": "radiation therapy", "type": "RADIATION" } ], "intervention_types": [ "DRUG", "RADIATION" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "30 Years", "sex": "ALL", "summary": "1 Year to 30 Years" }, "enrollment_count": 393, "start_date": "2000-06", "completion_date": "2015-03-31", "has_results": true, "last_update_posted_date": "2019-08-06", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 152, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 127 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Downey", "state": "California" }, { "city": "Duarte", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00004228" }, { "nct_id": "NCT00369317", "title": "Combination Chemotherapy in Treating Young Patients With Down Syndrome and Acute Myeloid Leukemia or Myelodysplastic Syndromes", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Childhood Acute Basophilic Leukemia", "Childhood Acute Eosinophilic Leukemia", "Childhood Acute Erythroleukemia (M6)", "Childhood Acute Megakaryocytic Leukemia (M7)", "Childhood Acute Minimally Differentiated Myeloid Leukemia (M0)", "Childhood Acute Monoblastic Leukemia (M5a)", "Childhood Acute Monocytic Leukemia (M5b)", "Childhood Acute Myeloblastic Leukemia With Maturation (M2)", "Childhood Acute Myeloblastic Leukemia Without Maturation (M1)", "Childhood Acute Myelomonocytic Leukemia (M4)", "Childhood Myelodysplastic Syndromes", "de Novo Myelodysplastic Syndromes", "Secondary Acute Myeloid Leukemia", "Secondary Myelodysplastic Syndromes", "Untreated Childhood Acute Myeloid Leukemia and Other Myeloid Malignancies" ], "interventions": [ { "name": "asparaginase", "type": "DRUG" }, { "name": "daunorubicin hydrochloride", "type": "DRUG" }, { "name": "cytarabine", "type": "DRUG" }, { "name": "thioguanine", "type": "DRUG" }, { "name": "etoposide", "type": "DRUG" }, { "name": "laboratory biomarker analysis", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Children's Oncology Group", "sponsor_class": "NETWORK", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "4 Years", "sex": "ALL", "summary": "Up to 4 Years" }, "enrollment_count": 205, "start_date": "2007-03", "completion_date": "2021-12-31", "has_results": true, "last_update_posted_date": "2022-01-28", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 88, "location_summary": "Phoenix, Arizona • Downey, California • Long Beach, California + 73 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Downey", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Madera", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00369317" }, { "nct_id": "NCT03117751", "title": "Total Therapy XVII for Newly Diagnosed Patients With Acute Lymphoblastic Leukemia and Lymphoma", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Acute Lymphoblastic Leukemia", "Acute Lymphoblastic Lymphoma" ], "interventions": [ { "name": "Prednisone", "type": "DRUG" }, { "name": "Vincristine", "type": "DRUG" }, { "name": "Daunorubicin", "type": "DRUG" }, { "name": "Pegaspargase", "type": "DRUG" }, { "name": "Erwinase®", "type": "DRUG" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "Cytarabine", "type": "DRUG" }, { "name": "Mercaptopurine", "type": "DRUG" }, { "name": "Dasatinib", "type": "DRUG" }, { "name": "Methotrexate", "type": "DRUG" }, { "name": "Blinatumomab", "type": "DRUG" }, { "name": "Ruxolitinib", "type": "DRUG" }, { "name": "Bortezomib", "type": "DRUG" }, { "name": "Dexamethasone", "type": "DRUG" }, { "name": "Doxorubicin", "type": "DRUG" }, { "name": "Etoposide", "type": "DRUG" }, { "name": "Clofarabine", "type": "DRUG" }, { "name": "Vorinostat", "type": "DRUG" }, { "name": "Idarubicin", "type": "DRUG" }, { "name": "Nelarabine", "type": "DRUG" }, { "name": "Thioguanine", "type": "DRUG" }, { "name": "Asparaginase Erwinia chrysanthemi (recombinant)-rywn", "type": "DRUG" }, { "name": "Calaspargase Pegol", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "St. Jude Children's Research Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "18 Years", "sex": "ALL", "summary": "1 Year to 18 Years" }, "enrollment_count": 790, "start_date": "2017-03-29", "completion_date": "2028-09-30", "has_results": false, "last_update_posted_date": "2026-06-17", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 7, "location_summary": "Palo Alto, California • San Diego, California • Peoria, Illinois + 4 more", "locations": [ { "city": "Palo Alto", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Peoria", "state": "Illinois" }, { "city": "Detroit", "state": "Michigan" }, { "city": "Charlotte", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03117751" }, { "nct_id": "NCT02883049", "title": "Combination Chemotherapy in Treating Young Patients With Newly Diagnosed High-Risk B Acute Lymphoblastic Leukemia and Ph-Like TKI Sensitive Mutations", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "B Acute Lymphoblastic Leukemia", "B Acute Lymphoblastic Leukemia, BCR-ABL1-Like", "Central Nervous System Leukemia", "Testicular Leukemia" ], "interventions": [ { "name": "Clofarabine", "type": "DRUG" }, { "name": "Cyclophosphamide", "type": "DRUG" }, { "name": "Cytarabine", "type": "DRUG" }, { "name": "Dasatinib", "type": "DRUG" }, { "name": "Daunorubicin Hydrochloride", "type": "DRUG" }, { "name": "Dexamethasone", "type": "DRUG" }, { "name": "Doxorubicin Hydrochloride", "type": "DRUG" }, { "name": "Etoposide", "type": "DRUG" }, { "name": "Hydrocortisone Sodium Succinate", "type": "DRUG" }, { "name": "Laboratory Biomarker Analysis", "type": "OTHER" }, { "name": "Leucovorin Calcium", "type": "DRUG" }, { "name": "Mercaptopurine", "type": "DRUG" }, { "name": "Methotrexate", "type": "DRUG" }, { "name": "Pegaspargase", "type": "DRUG" }, { "name": "Prednisone", "type": "DRUG" }, { "name": "Radiation Therapy", "type": "RADIATION" }, { "name": "Thioguanine", "type": "DRUG" }, { "name": "Vincristine Sulfate", "type": "DRUG" } ], "intervention_types": [ "DRUG", "OTHER", "RADIATION" ], "sponsor": "National Cancer Institute (NCI)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "1 Year", "maximum_age": "31 Years", "sex": "ALL", "summary": "1 Year to 31 Years" }, "enrollment_count": 5949, "start_date": "2012-02-29", "completion_date": "2026-03-31", "has_results": true, "last_update_posted_date": "2026-06-02", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 209, "location_summary": "Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 153 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Anchorage", "state": "Alaska" }, { "city": "Mesa", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT02883049" }, { "nct_id": "NCT00549848", "title": "Total Therapy Study XVI for Newly Diagnosed Patients With Acute Lymphoblastic Leukemia", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Acute Lymphoblastic Leukemia" ], "interventions": [ { "name": "Prednisone, Vincristine, Daunorubicin, PEG-L-asparaginase, Erwinia L-asparaginase, Doxorubicin, Cyclophosphamide, Cytarabine, Thioguanine", "type": "DRUG" }, { "name": "Clofarabine, Methotrexate, Mercaptopurine, Dexamethasone, Etoposide, Dasatinib", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "St. Jude Children's Research Hospital", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": null, "maximum_age": "18 Years", "sex": "ALL", "summary": "Up to 18 Years" }, "enrollment_count": 600, "start_date": "2007-10-29", "completion_date": "2022-03-26", "has_results": true, "last_update_posted_date": "2022-08-23", "last_synced_at": "2026-09-29T15:21:45.038Z", "location_count": 1, "location_summary": "Memphis, Tennessee", "locations": [ { "city": "Memphis", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00549848" } ] }