Clinical Trials

97 trials
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Phase 2 × Burkitt Lymphoma × Cyclophosphamide × Clear all
NCT04195633 2026-02-27

Donor Stem Cell Transplant With Treosulfan, Fludarabine, and Total-Body Irradiation for the Treatment of Hematological Malignancies

Fred Hutchinson Cancer Center

Phase 2 Recruiting
60 enrolled
LymphoidMyeloidOther hematologic neoplasm

Burkitt Lymphoma, Hodgkin Disease, Lymphoma, Follicular, Myelodysplastic Syndromes, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Biphenotypic, Acute, Leukemia, Prolymphocytic, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Leukemia, Myeloid, Acute, Leukemia, Myelomonocytic, Chronic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, Large-Cell, Anaplastic, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma

NCT03674411 2026-01-06

Trial Evaluating MGTA-456 in Patients With High-Risk Malignancy

Masonic Cancer Center, University of Minnesota

Phase 2 Active not recruiting
22 enrolled 19 charts
Classical hematologyLymphoidMyeloidOther hematologic neoplasmSarcoma

Anemia, Refractory, with Excess of Blasts, Burkitt Lymphoma, Hodgkin Disease, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Leukemia, Myeloid, Acute, Lymphoma, T-Cell, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Dendritic Cell Sarcoma, Interdigitating

NCT03779854 2025-10-15

Naive T Cell Depletion for Preventing Chronic Graft-versus-Host Disease in Children and Young Adults With Blood Cancers Undergoing Donor Stem Cell Transplant

Fred Hutchinson Cancer Center

Phase 2 Recruiting
68 enrolled
LymphoidMyeloidOther hematologic neoplasm

GATA2 Deficiency, Blastic Plasmacytoid Dendritic Cell Neoplasm, Burkitt Lymphoma, Leukemia, Mast-Cell, Leukemia, Myeloid, Myeloproliferative Disorders, Leukemia, Biphenotypic, Acute, Precursor Cell Lymphoblastic Leukemia-Lymphoma

NCT02722668 2025-07-04

UCB Transplant for Hematological Diseases Using a Non Myeloablative Prep

Masonic Cancer Center, University of Minnesota

Phase 2 Completed
15 enrolled 15 charts
LymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Bone Marrow Failure Disorders, Burkitt Lymphoma, Hodgkin Disease, Leukemia, Leukemia, Plasma Cell, Lymphoma, Follicular, Multiple Myeloma, Myelodysplastic Syndromes, Myeloproliferative Disorders, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Prolymphocytic, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Leukemia, Myeloid, Acute, Lymphoma, T-Cell, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT05805605 2025-07-01

Allo HSCT Using RIC and PTCy for Hematological Diseases

Masonic Cancer Center, University of Minnesota

Phase 2 Recruiting
56 enrolled
LymphoidMyeloidOther hematologic neoplasmPlasma cell

Burkitt Lymphoma, Leukemia, Myeloid, Leukemia, Plasma Cell, Lymphoma, Follicular, Myelodysplastic Syndromes, Myeloproliferative Disorders, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Biphenotypic, Acute, Leukemia, Prolymphocytic, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Leukemia, Myeloid, Acute, Lymphoma, T-Cell, Lymphoma, B-Cell, Marginal Zone, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Primary Myelofibrosis

NCT00544115 2025-06-10

Donor Peripheral Stem Cell Transplant in Treating Patients With Advanced Hematologic Cancer or Other Disorders

City of Hope Medical Center

Phase 2 Active not recruiting
260 enrolled 13 charts
Classical hematologyDermatologicLymphoidMyeloidOther hematologic neoplasmOther neoplasmPlasma cellSarcoma

Pdgfra-Associated Chronic Eosinophilic Leukemia, Congenital Abnormalities, Anemia, Aplastic, Anemia, Refractory, with Excess of Blasts, Blast Crisis, Burkitt Lymphoma, Graft vs Host Disease, Hemoglobinuria, Paroxysmal, Hodgkin Disease, Immunoblastic Lymphadenopathy, Leukemia, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Waldenstrom Macroglobulinemia, Multiple Myeloma, Mycosis Fungoides, Myelodysplastic Syndromes, Myeloproliferative Disorders, Polycythemia Vera, Precancerous Conditions, Recurrence, Sezary Syndrome, Thrombocythemia, Essential, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Leukemia, Neutrophilic, Chronic, Leukemia, Myeloid, Acute, Leukemia, Myelomonocytic, Chronic, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, T-Cell, Cutaneous, Lymphoma, Large-Cell, Anaplastic, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Lymphoma, Extranodal NK-T-Cell, Leukemia, Myelomonocytic, Juvenile, Myelodysplastic-Myeloproliferative Diseases, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT00719888 2025-03-07

Umbilical Cord Blood Transplant, Cyclophosphamide, Fludarabine, and Total-Body Irradiation in Treating Patients With Hematologic Disease

Fred Hutchinson Cancer Center

Phase 2 Completed
135 enrolled 19 charts
Classical hematologyLymphoidMyeloidOther hematologic neoplasmPlasma cell

Anemia, Refractory, Burkitt Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Biphenotypic, Acute, Leukemia, Prolymphocytic, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Leukemia, Myeloid, Chronic-Phase, Leukemia, Myeloid, Acute, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Primary Myelofibrosis

NCT00611351 2023-10-23

Busulfan, Cyclophosphamide, & Antithymocyte Globulin Followed by Stem Cell Transplant in Treating Hematologic Cancer

University of Nebraska

Phase 2 Completed
5 enrolled 10 charts
DermatologicLymphoidMyeloidOther hematologic neoplasmPlasma cell

Congenital Abnormalities, Blast Crisis, Burkitt Lymphoma, Graft vs Host Disease, Hodgkin Disease, Leukemia, Leukemia, Hairy Cell, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Myeloproliferative Disorders, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Leukemia, Myeloid, Acute, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, T-Cell, Cutaneous, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Lymphoma, Extranodal NK-T-Cell, Myelodysplastic-Myeloproliferative Diseases, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative

NCT02661035 2023-09-21

Allo HSCT Using RIC for Hematological Diseases

Masonic Cancer Center, University of Minnesota

Phase 2 Completed
156 enrolled
LymphoidMyeloidOther hematologic neoplasmPlasma cell

Burkitt Lymphoma, Hematologic Diseases, Leukemia, Plasma Cell, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Prolymphocytic, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Leukemia, Myeloid, Acute, Lymphoma, B-Cell, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma

NCT01044745 2023-09-06

Rituximab in Preventing Acute Graft-Versus-Host Disease in a Donor Stem Cell Transplant for Hematologic Cancer

University of Nebraska

Phase 2 Terminated
20 enrolled 8 charts
DermatologicLymphoidOther hematologic neoplasm

Blast Crisis, Burkitt Lymphoma, Graft vs Host Disease, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Waldenstrom Macroglobulinemia, Mycosis Fungoides, Sezary Syndrome, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Acute, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, T-Cell, Cutaneous, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Lymphoma, Extranodal NK-T-Cell

NCT01028716 2023-01-23

Donor Peripheral Blood Stem Cell Transplant in Treating Patients With Hematologic Malignancies

Fred Hutchinson Cancer Center

Phase 2 Terminated
46 enrolled 18 charts
LymphoidMyeloidOther hematologic neoplasmPlasma cell

Burkitt Lymphoma, Hodgkin Disease, Lymphoma, Follicular, Multiple Myeloma, Myelodysplastic Syndromes, Leukemia, Biphenotypic, Acute, Lymphoma, Large-Cell, Anaplastic, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma

NCT00726700 2021-07-07

Pegfilgrastim and Combination Chemotherapy With or Without Rituximab in Treating Older Patients With Aggressive B-Cell Non-Hodgkin Lymphoma

Universität des Saarlandes

Phase 2 Completed
109 enrolled
LymphoidOther hematologic neoplasm

Burkitt Lymphoma, Lymphoma, Lymphoma, Follicular, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, Large-Cell, Anaplastic, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma

NCT00612716 2020-12-09

Donor Stem Cell Transplant in Treating Patients With Previously Treated Lymphoma, Multiple Myeloma, or Chronic Lymphocytic Leukemia

Masonic Cancer Center, University of Minnesota

Phase 2 Completed
6 enrolled 16 charts
LymphoidOther hematologic neoplasmPlasma cellSarcoma

Burkitt Lymphoma, Hodgkin Disease, Leukemia, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Waldenstrom Macroglobulinemia, Multiple Myeloma, Recurrence, Leukemia, Lymphocytic, Chronic, B-Cell, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, Large-Cell, Anaplastic, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Lymphoma, Extranodal NK-T-Cell, Dendritic Cell Sarcoma, Interdigitating

NCT00309842 2020-09-10

Myeloablative Umbilical Cord Blood Transplantation in Hematological Diseases

Masonic Cancer Center, University of Minnesota

Phase 2 Completed
213 enrolled 19 charts
Classical hematologyLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Anemia, Refractory, Anemia, Refractory, with Excess of Blasts, Blast Crisis, Burkitt Lymphoma, Leukemia, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Prolymphocytic, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Leukemia, Myeloid, Acute, Leukemia, Myelomonocytic, Chronic, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myelomonocytic, Juvenile, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT00003270 2019-12-13

Chemotherapy, Radiation Therapy, and Umbilical Cord Blood Transplantation in Treating Patients With Hematologic Cancer

Roswell Park Cancer Institute

Phase 2 Completed
20 enrolled 11 charts
LymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Blast Crisis, Burkitt Lymphoma, Graft vs Host Disease, Hodgkin Disease, Leukemia, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Recurrence, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Leukemia, Myeloid, Acute, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Dendritic Cell Sarcoma, Interdigitating

NCT00003396 2019-10-17

Peripheral Stem Cell Transplantation in Treating Patients With Hematologic Cancer

University of Maryland, Baltimore

Phase 2 Completed
42 enrolled
LymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Blast Crisis, Burkitt Lymphoma, Leukemia, Erythroblastic, Acute, Hodgkin Disease, Leukemia, Leukemia, Megakaryoblastic, Acute, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Waldenstrom Macroglobulinemia, Multiple Myeloma, Myelodysplastic Syndromes, Recurrence, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Acute, Leukemia, Basophilic, Acute, Leukemia, Eosinophilic, Acute, Leukemia, Promyelocytic, Acute, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Dendritic Cell Sarcoma, Interdigitating

NCT01093586 2019-01-23

Donor Umbilical Cord Blood Stem Cell Transplant in Treating Patients With Hematologic Malignancies

Case Comprehensive Cancer Center

Phase 2 Completed
14 enrolled 22 charts
DermatologicLymphoidMyeloidOther hematologic neoplasmSarcoma

Congenital Abnormalities, Blast Crisis, Burkitt Lymphoma, Leukemia, Erythroblastic, Acute, Leukemia, Megakaryoblastic, Acute, Leukemia, Monocytic, Acute, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Waldenstrom Macroglobulinemia, Mycosis Fungoides, Myeloproliferative Disorders, Sezary Syndrome, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Prolymphocytic, Leukemia, Myeloid, Chronic-Phase, Leukemia, Myeloid, Acute, Leukemia, Myelomonocytic, Chronic, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, T-Cell, Cutaneous, Lymphoma, Large-Cell, Anaplastic, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Leukemia, Large Granular Lymphocytic, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Lymphoma, Extranodal NK-T-Cell, Leukemia, Myelomonocytic, Juvenile, Dendritic Cell Sarcoma, Interdigitating

NCT00134017 2018-08-31

Combination Chemotherapy, Bone Marrow Transplant, and Post Transplant Cyclophosphamide for Hematologic Cancer

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Phase 2 Completed
142 enrolled 11 charts
Classical hematologyLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Pdgfra-Associated Chronic Eosinophilic Leukemia, Congenital Abnormalities, Anemia, Refractory, with Excess of Blasts, Blast Crisis, Burkitt Lymphoma, Hodgkin Disease, Leukemia, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Myeloproliferative Disorders, Recurrence, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Leukemia, Neutrophilic, Chronic, Leukemia, Myeloid, Acute, Leukemia, Myelomonocytic, Chronic, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT00002461 2018-08-17

Combination Chemotherapy Followed by Bone Marrow or Peripheral Stem Cell Transplantation in Treating Patients With Refractory Hodgkin's Disease or Non-Hodgkin's Lymphoma

Montefiore Medical Center

Phase 2 Completed
35 enrolled
LymphoidOther hematologic neoplasm

Burkitt Lymphoma, Hodgkin Disease, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Leukemia, Lymphocytic, Chronic, B-Cell, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma

NCT02118311 2017-12-02

Treg Cells for AGVHD in Non-myeloablative UCB Transplant

Masonic Cancer Center, University of Minnesota

Phase 2 Withdrawn
LymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Burkitt Lymphoma, Hodgkin Disease, Lymphoma, Follicular, Multiple Myeloma, Myelodysplastic Syndromes, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Prolymphocytic, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Lymphoma, B-Cell, Marginal Zone, Hematologic Neoplasms, Lymphoma, Mantle-Cell, Dendritic Cell Sarcoma, Interdigitating

NCT00005985 2017-11-29

Filgrastim and Chemotherapy Followed by Peripheral Stem Cell Transplant in Treating Patients With Hodgkin's Lymphoma or Non-Hodgkin's Lymphoma

Masonic Cancer Center, University of Minnesota

Phase 2 Completed
213 enrolled
LymphoidOther hematologic neoplasm

Burkitt Lymphoma, Hodgkin Disease, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Leukemia, Lymphocytic, Chronic, B-Cell, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma

NCT00005998 2017-11-29

Peripheral Stem Cell Transplantation With Specially Treated Stem Cells in Treating Patients With Non-Hodgkin's Lymphoma or Hodgkin's Disease

Masonic Cancer Center, University of Minnesota

Phase 2 Withdrawn
LymphoidOther hematologic neoplasm

Burkitt Lymphoma, Hodgkin Disease, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Leukemia, Lymphocytic, Chronic, B-Cell, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma

NCT00281879 2017-09-27

Donor Stem Cell Transplant or Donor White Blood Cell Infusions in Treating Patients With Hematologic Cancer

OHSU Knight Cancer Institute

Phase 2 Terminated
200 enrolled 11 charts
Classical hematologyLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Pdgfra-Associated Chronic Eosinophilic Leukemia, Congenital Abnormalities, Anemia, Refractory, Anemia, Refractory, with Excess of Blasts, Blast Crisis, Burkitt Lymphoma, Hodgkin Disease, Leukemia, Leukemia, Hairy Cell, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Myeloproliferative Disorders, Recurrence, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Leukemia, Neutrophilic, Chronic, Leukemia, Myeloid, Acute, Leukemia, Myelomonocytic, Chronic, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Leukemia, Myelomonocytic, Juvenile, Myelodysplastic-Myeloproliferative Diseases, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis