Clinical Trials

20 trials
RecentStart dateEnrollment
Phase 2 × Precursor Cell Lymphoblastic Leukemia-Lymphoma × CNS × Clear all
NCT05735717 2025-07-24

MT2021-08T Cell Receptor Alpha/Beta Depletion PBSC Transplantation for Heme Malignancies

Masonic Cancer Center, University of Minnesota

Phase 2 Recruiting
70 enrolled
CNSClassical hematologyLymphoidOther hematologic neoplasm

Chromosome 7, monosomy, Anemia, Refractory, with Excess of Blasts, Chromosome Aberrations, Influenza, Human, Neurofibromatosis 1, Leukemia, Myeloid, Acute, beta-Thalassemia, Neoplasm, Residual, Hematologic Neoplasms, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myelomonocytic, Juvenile

NCT01159067 2019-06-18

Deferasirox for Treating Patients Who Have Undergone Allogeneic Stem Cell Transplant and Have Iron Overload

City of Hope Medical Center

Phase 2 Terminated
1 enrolled 4 charts
BreastCNSDermatologicGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cell

Pdgfra-Associated Chronic Eosinophilic Leukemia, Congenital Abnormalities, Carcinoma, Ovarian Epithelial, Blast Crisis, Breast Neoplasms, Burkitt Lymphoma, Hodgkin Disease, Leukemia, Hairy Cell, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Mycosis Fungoides, Myeloproliferative Disorders, Neuroblastoma, Sezary Syndrome, Testicular Neoplasms, 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, B-Cell, Marginal Zone, Iron Overload, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Primary Myelofibrosis

NCT00621036 2018-11-26

Vaccine Therapy and GM-CSF in Treating Patients With CNS Lymphoma

University of Texas Southwestern Medical Center

Phase 2 Withdrawn
CNSDermatologicLymphoidOther hematologic neoplasm

Burkitt Lymphoma, Hodgkin Disease, Immunoblastic Lymphadenopathy, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Lymphoproliferative Disorders, Waldenstrom Macroglobulinemia, Mycosis Fungoides, Sezary Syndrome, Leukemia, Lymphocytic, Chronic, B-Cell, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, T-Cell, Cutaneous, Central Nervous System Neoplasms, Lymphoma, Large-Cell, Anaplastic, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Lymphoma, Extranodal NK-T-Cell, Intraocular Lymphoma

NCT00617929 2017-12-28

Antithymocyte Globulin, Clofarabine, and Rituximab in Treating Patients After an Unsuccessful Stem Cell Transplant

Masonic Cancer Center, University of Minnesota

Phase 2 Terminated
12 enrolled 12 charts
BreastCNSGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Pdgfra-Associated Chronic Eosinophilic Leukemia, Carcinoma, Ovarian Epithelial, Breast Neoplasms, Burkitt Lymphoma, Hodgkin Disease, Leukemia, Hairy Cell, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Neoplasms, Wilms Tumor, Neuroblastoma, Recurrence, Rhabdomyosarcoma, Testicular Neoplasms, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, 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, Leukemia, Myelomonocytic, Juvenile, Primary Myelofibrosis

NCT00309907 2017-09-29

Etanercept in Treating Young Patients With Idiopathic Pneumonia Syndrome After Undergoing a Donor Stem Cell Transplant

Children's Oncology Group

Phase 2 Completed
39 enrolled 12 charts
CNSGenitourinaryLymphoidOther hematologic neoplasmSarcoma

Blast Crisis, Burkitt Lymphoma, Wilms Tumor, Neuroblastoma, Recurrence, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myelomonocytic, Juvenile, Dendritic Cell Sarcoma, Interdigitating

NCT00795769 2017-05-23

Ondansetron in Preventing Nausea and Vomiting in Patients Undergoing Stem Cell Transplant

Fred Hutchinson Cancer Center

Phase 2 Completed
49 enrolled 4 charts
BreastCNSDermatologicGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Pdgfra-Associated Chronic Eosinophilic Leukemia, Congenital Abnormalities, Carcinoma, Ovarian Epithelial, Blast Crisis, Breast Neoplasms, Burkitt Lymphoma, Hodgkin Disease, Leukemia, Hairy Cell, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Mycosis Fungoides, Myeloproliferative Disorders, Neuroblastoma, Recurrence, Sezary Syndrome, Testicular Neoplasms, 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, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT00066248 2014-02-03

Cyproheptadine and Megestrol in Preventing Weight Loss in Children With Cachexia Caused By Cancer or Cancer Treatment

University of South Florida

Phase 2 Completed
70 enrolled
CNSLymphoidMyeloidOther hematologic neoplasmSarcoma

Familial ependymoma, Astrocytoma, Blast Crisis, Brain Neoplasms, Burkitt Lymphoma, Cachexia, Leukemia, Leukemia, Hairy Cell, Lymphoma, Medulloblastoma, Myelodysplastic Syndromes, Oligodendroglioma, Recurrence, Spinal Cord Neoplasms, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Leukemia, Myelomonocytic, Chronic, Central Nervous System Neoplasms, Choroid Plexus Neoplasms, Optic Nerve Glioma, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myelomonocytic, Juvenile, Myelodysplastic-Myeloproliferative Diseases, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Dendritic Cell Sarcoma, Interdigitating

NCT00084695 2014-01-10

Umbilical Cord Blood for Stem Cell Transplantation in Treating Young Patients With Malignant or Nonmalignant Diseases

National Cancer Institute (NCI)

Phase 2 Unknown
25 enrolled
CNSClassical hematologyLymphoidMyeloidOther hematologic neoplasmSarcoma

Burkitt Lymphoma, Fanconi Anemia, Leukemia, Lymphoma, Myelodysplastic Syndromes, Neuroblastoma, Recurrence, Sarcoma, Leukemia, Myeloid, Chronic-Phase, Neuroectodermal Tumors, Primitive, Peripheral, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myelomonocytic, Juvenile, Dendritic Cell Sarcoma, Interdigitating

NCT00036712 2013-09-20

Light-Emitting Diode Therapy in Preventing Mucositis in Children Receiving Chemotherapy With or Without Radiation Therapy Before Bone Marrow Transplantation

National Cancer Institute (NCI)

Phase 2 Unknown
80 enrolled
CNSGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Ovarian Germ Cell Cancer, Blast Crisis, Burkitt Lymphoma, Kidney Neoplasms, Leukemia, Leukemia, Hairy Cell, Lymphoma, Multiple Myeloma, Myelodysplastic Syndromes, Myeloproliferative Disorders, Wilms Tumor, Neuroblastoma, Ovarian Neoplasms, Pain, Recurrence, Sarcoma, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Myelodysplastic-Myeloproliferative Diseases, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT00637637 2013-08-12

External-Beam Radiation Therapy With or Without Indinavir and Ritonavir in Treating Patients With Brain Metastases

National Cancer Institute (NCI)

Phase 2 Unknown
60 enrolled
BreastCNSDermatologicEndocrineGastrointestinalGenitourinaryGynecologicHead & NeckLymphoidOther hematologic neoplasmSarcomaThoracic

Squamous Cell Carcinoma of Head and Neck, Carcinoma, Ovarian Epithelial, Thyroid Cancer, Papillary, Anus Neoplasms, Urinary Bladder Neoplasms, Brain Neoplasms, Breast Neoplasms, Burkitt Lymphoma, Carcinoma, Non-Small-Cell Lung, Carcinoma, Renal Cell, Uterine Cervical Neoplasms, Colonic Neoplasms, Esophageal Neoplasms, Hodgkin Disease, Hypopharyngeal Neoplasms, Laryngeal Neoplasms, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Mouth Neoplasms, Mycosis Fungoides, Nasopharyngeal Neoplasms, Neoplasms, Wilms Tumor, Oropharyngeal Neoplasms, Pancreatic Neoplasms, Parathyroid Neoplasms, Penile Neoplasms, Pheochromocytoma, Prostatic Neoplasms, Rectal Neoplasms, Salivary Gland Neoplasms, Sezary Syndrome, Stomach Neoplasms, Tongue Neoplasms, Vaginal Neoplasms, Vulvar Neoplasms, Leukemia, Lymphocytic, Chronic, B-Cell, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, T-Cell, Cutaneous, Endometrial Neoplasms, Lymphoma, Large-Cell, Anaplastic, Adenocarcinoma, Follicular, Adrenocortical Carcinoma, Esthesioneuroblastoma, Olfactory, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Histiocytoma, Malignant Fibrous, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Dendritic Cell Sarcoma, Interdigitating

NCT00003408 2013-03-26

Biological Therapy Following Chemotherapy and Peripheral Stem Cell Transplantation in Treating Patients With Cancer

National Cancer Institute (NCI)

Phase 2 Completed
40 enrolled
BreastCNSDermatologicGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Teratoma, Testicular, Testicular Germ Cell Tumor, Carcinoma, Ovarian Epithelial, Blast Crisis, Breast Neoplasms, Burkitt Lymphoma, Hodgkin Disease, Kidney Neoplasms, Leukemia, Leukemia, Hairy Cell, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Mycosis Fungoides, Myelodysplastic Syndromes, Myeloproliferative Disorders, Wilms Tumor, Neuroblastoma, Ovarian Neoplasms, Recurrence, Sarcoma, Sezary Syndrome, Teratoma, Testicular Neoplasms, 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, Carcinoma, Embryonal, Seminoma, Endodermal Sinus Tumor, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Gestational Trophoblastic Disease, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT00110045 2012-09-24

Caspofungin Acetate in Treating Aspergillosis in Patients With Hematologic Cancer or in Patients Who Have Undergone a Stem Cell Transplant

European Organisation for Research and Treatment of Cancer - EORTC

Phase 2 Completed
171 enrolled
BreastCNSDermatologicGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cell

Pdgfra-Associated Chronic Eosinophilic Leukemia, Congenital Abnormalities, Immunoglobulin Light-chain Amyloidosis, Carcinoma, Ovarian Epithelial, Ataxia Telangiectasia, Blast Crisis, Breast Neoplasms, Burkitt Lymphoma, Hodgkin Disease, Immunoblastic Lymphadenopathy, Infections, Leukemia, Hairy Cell, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Waldenstrom Macroglobulinemia, Monoclonal Gammopathy of Undetermined Significance, Multiple Myeloma, Mycosis Fungoides, Myeloproliferative Disorders, Neoplasms, Neuroblastoma, Polycythemia Vera, Sezary Syndrome, Testicular Neoplasms, Thrombocythemia, Essential, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Biphenotypic, Acute, Leukemia, Prolymphocytic, 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, Leukemia, Large Granular Lymphocytic, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Primary Myelofibrosis, Intraocular Lymphoma

NCT00003887 2011-11-30

Lymphocyte Infusion in Treating Patients With Relapsed Cancer After Bone Marrow or Peripheral Stem Cell Transplantation

Fred Hutchinson Cancer Center

Phase 2 Completed
BreastCNSDermatologicGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Teratoma, Testicular, Testicular Germ Cell Tumor, Carcinoma, Ovarian Epithelial, Blast Crisis, Breast Neoplasms, Burkitt Lymphoma, Hodgkin Disease, Kidney Neoplasms, Leukemia, Leukemia, Hairy Cell, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Mycosis Fungoides, Myelodysplastic Syndromes, Myeloproliferative Disorders, Wilms Tumor, Neuroblastoma, Ovarian Neoplasms, Recurrence, Sarcoma, Sezary Syndrome, Teratoma, Testicular Neoplasms, 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, Carcinoma, Embryonal, Seminoma, Endodermal Sinus Tumor, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Gestational Trophoblastic Disease, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Precursor T-Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT00003661 2011-03-07

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

Roswell Park Cancer Institute

Phase 2 Completed
3 enrolled
CNSClassical hematologyLymphoidMyeloidOther hematologic neoplasmSarcoma

Anemia, Refractory, with Excess of Blasts, Burkitt Lymphoma, Graft vs Host Disease, Leukemia, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Myelodysplastic Syndromes, Neuroblastoma, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, 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, Dendritic Cell Sarcoma, Interdigitating

NCT00002673 2010-06-17

Immunotherapy in Treating Patients Who Are Undergoing Bone Marrow or Peripheral Stem Cell Transplantation

Fred Hutchinson Cancer Center

Phase 2 Completed
30 enrolled
BreastCNSDermatologicGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cellSarcoma

Teratoma, Testicular, Teratoma, Ovarian, Carcinoma, Ovarian Epithelial, Blast Crisis, Breast Neoplasms, Burkitt Lymphoma, Hodgkin Disease, Infections, Leukemia, Hairy Cell, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Neoplasms, Wilms Tumor, Neuroblastoma, Recurrence, Teratoma, Testicular Neoplasms, 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, Carcinoma, Embryonal, Seminoma, Endodermal Sinus Tumor, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Dendritic Cell Sarcoma, Interdigitating, Primary Myelofibrosis

NCT00109993 2010-06-11

Campath-1H + FK506 and Methylprednisolone for GVHD

Case Comprehensive Cancer Center

Phase 2 Completed
34 enrolled
BreastCNSDermatologicGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cell

Testicular Germ Cell Tumor, Pdgfra-Associated Chronic Eosinophilic Leukemia, Congenital Abnormalities, Carcinoma, Ovarian Epithelial, Blast Crisis, Breast Neoplasms, Burkitt Lymphoma, Graft vs Host Disease, Hodgkin Disease, Leukemia, Leukemia, Hairy Cell, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Mycosis Fungoides, Myelodysplastic Syndromes, Myeloproliferative Disorders, Neuroblastoma, Ovarian Neoplasms, Sezary Syndrome, Testicular Neoplasms, 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, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Gestational Trophoblastic Disease, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Myelodysplastic-Myeloproliferative Diseases, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Primary Myelofibrosis

NCT00410657 2010-05-14

Alemtuzumab and Glucocorticoids in Treating Newly Diagnosed Acute Graft-Versus-Host Disease in Patients Who Have Undergone a Donor Stem Cell Transplant

Fred Hutchinson Cancer Center

Phase 2 Completed
53 enrolled
BreastCNSGenitourinaryGynecologicLymphoidMyeloidOther hematologic neoplasmPlasma cell

Testicular Germ Cell Tumor, Pdgfra-Associated Chronic Eosinophilic Leukemia, Congenital Abnormalities, Carcinoma, Ovarian Epithelial, Aggression, Blast Crisis, Breast Neoplasms, Burkitt Lymphoma, Graft vs Host Disease, Hodgkin Disease, Leukemia, Lymphoma, Lymphoma, Follicular, Lymphoma, Non-Hodgkin, Multiple Myeloma, Myelodysplastic Syndromes, Myeloproliferative Disorders, Neuroblastoma, Ovarian Neoplasms, Testicular Neoplasms, Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Myeloid, Accelerated Phase, Leukemia, Myeloid, Chronic-Phase, Leukemia, Neutrophilic, Chronic, Leukemia, Myelomonocytic, Chronic, Lymphoma, Large-Cell, Immunoblastic, Lymphoma, Large B-Cell, Diffuse, Lymphoma, B-Cell, Marginal Zone, Lymphoma, Mantle-Cell, Gestational Trophoblastic Disease, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Neoplasms, Plasma Cell, Leukemia, Myelomonocytic, Juvenile, Myelodysplastic-Myeloproliferative Diseases, Leukemia, Myeloid, Chronic, Atypical, BCR-ABL Negative, Primary Myelofibrosis