Pacritinib Versus Best Available Therapy to Treat Patients With Myelofibrosis and Thrombocytopenia (PAC326)
Primary Myelofibrosis, Post-polycythemia Vera Myelofibrosis, Post-essential Thrombocythemia Myelofibrosis
About this trial
This is an interventional treatment trial for Primary Myelofibrosis focused on measuring Myelofibrosis, Post-Polycythemia Vera Myelofibrosis, Post-Essential Thrombocythemia Myelofibrosis, Primary Myelofibrosis, Polycythemia Vera, Essential Thrombocythemia, Bone Marrow Disease, Hematologic Diseases, Hemorrhagic Disorders, Splenomegaly, Pacritinib, MPN-SAF, MPN-SAF TSS, Anemia, Myeloproliferative Neoplasm, Spleen volume, Thrombocytopenia, SB1518
Eligibility Criteria
Inclusion Criteria:
- Intermediate -1 or -2 or high-risk Myelofibrosis (per Passamonti et al 2010)
- Thrombocytopenia (platelet count ≤ 100,000/µL) at any time after signing informed consent
- Palpable splenomegaly ≥ 5 cm on physical examination
- Total Symptom Score ≥ 13 on the MPN-SAF TSS 2.0, not including the inactivity question
- Patients who are platelet or red blood cell transfusion-dependent are eligible
- Adequate white blood cell counts (with low blast counts), liver function, and renal function
- At least 6 months from prior splenic irradiation
- At least 1-4 weeks since prior myelofibrosis therapy, including any erythropoietic or thrombopoietic agent
- Not pregnant, not lactating, and agree to use effective birth control
- Able and willing to undergo frequent MRI or CT assessments and complete symptom assessments using a patient-reported outcome instrument
Exclusion Criteria:
- Prior treatment with more than 2 JAK2 inhibitors or with pacritinib
- There is no maximum cumulative prior JAK2 inhibitor treatment
- History of (or plans to undergo) spleen removal surgery or allogeneic stem cell transplant
- Ongoing gastrointestinal medical condition such as Crohn's disease, Inflammatory bowel disease, chronic diarrhea, or constipation
- Active bleeding that requires hospitalization during the screening period
- Cardiovascular disease, including recent history or currently clinically symptomatic and uncontrolled: congestive heart failure, arrhythmia, angina, QTc prolongation or other QTc risk factors, myocardial infarction
- Other malignancy within last 3 years other than certain limited skin, cervical, prostate, breast, or bladder cancers
- Other ongoing, uncontrolled illnesses (including HIV infection and active hepatitis A, B, or C), psychiatric disorder, or social situation that would prevent good care on this study
- Life expectancy < 6 months
Sites / Locations
- Mayo Clinic Arizona
- Arizona Clinical Research Center
- City of Hope
- Moores Cancer Centre
- USC Norris Comprehensive Cancer Center
- Stanford Cancer Center
- Rocky Mountain Cancer Center
- George Washington University- Medical Faculty Associates
- SCRI- Florida Cancer Specialists South Region
- SCRI - Florida Cancer Specialists North Region
- H. Lee Moffitt Cancer Center & Research Institute
- Northwestern University
- Carle Cancer Center
- Indiana University Goshen Cancer Centre
- Investigative Clinical Research of Indiana
- University of Iowa Hospitals and Clinics
- Siouxland Hematology-Oncology Associates, L.L.P (SHOA)
- Norton Cancer Institute, Suburban
- St Joseph Mercy Hospital
- University of Michigan
- Henry Ford Health System
- Providence Cancer Institute
- Washington University School of Medicine Division of Oncology
- Nebraska Hematology-Oncology, P.C.
- Hackensack University
- Hematology-Oncology Associates of Northern Jersey
- New Mexico Cancer Care Alliance
- Mount Sinai Medical Center
- Columbia University Medical Center
- Stony Brook University Medical Center
- SCRI-Oncology Hematology Care
- Cleveland Clinic-Taussig Cancer Center
- University of Oklahoma
- Thomas Jefferson University
- UPMC Hillman Cancer Center
- Upstate Oncology Associates
- Sarah Cannon Research Institute (SCRI)
- Texas Onocolgy-Baylor Sammons Cancer Center
- UT Southwestern Medical Center
- UTMB Galveston
- Houston Methodist
- University of Texas MD Anderson Cancer Center
- Cancer Care Centers of South Texas
- Huntsman Cancer Hospital
- Virginia Cancer Specialists
- Providence Regional Cancer Partnership
- Fred Hutchinson Cancer Research Center
- Green Bay Oncology
- Froedtert Hospital and the Medical College of Wisconsin
- Medical College of Wisconsin
- St George Hospital
- Royal Adelaide Hospital
- Box Hill Hospital
- Monash Health - Monash Medical Centre
- Perth Blood Institute
- Haematology and Oncology Clinics of Australia
- Prince of Wales Hospital
- Centre Hospitalier de Jolimont-Lobbes
- ZNA - Stuivenberg
- AZ Sint Jan Brugge-Oostende AV
- Hopital Brugmann
- Cliniques Universitaires St-Luc
- St Augustinus
- UC Louvain
- Saint John Regional Hospital
- Princess Margaret Cancer Center
- Fakultní nemocnice Brno
- Faculty Hospital Olomouc
- Fakultní nemocnice Plzeň
- University Hospital Hradec Kralove
- Chu d'Amiens Hopital Sud
- Hôpital Caremeau
- CHU Rennes
- CHU Purpan
- CH de Mulhouse
- CHU de CAEN
- Centre Hospitalier de Lens
- Hopital l'Archet, CHU de Nice
- Saint Antoine Hospital
- Centre Hospitalier Lyon Sud
- CHU de Strasbourg
- Institut Gustave Roussy
- Charite-Medical University
- Gemeinschaftspraxis Hämatologie/Onkologie
- University Hospital Essen
- Uniklinik Freiburg
- Universitatsklinikum Halle (Saale)
- Klinik I fur Innere Medizin, Universitat Koln
- University Hospital Leipzig
- Städtisches Klinikum München GmbH
- University of Munster
- University Hospital Ulm
- Semmelweis Egyetem AOK
- University of Debrecen, Belgyogyaszati Intezet
- Bekes Megyei Pandy Kalman Korhaz
- Kaposi Mór Oktató Kórház
- SZTE II. sz Belgyogyoszati Klinika es Kardiologiai Kozpont
- Jász-Nagykun-Szolnok Megyei Hetényi Géza Kórház-Rendelőint
- University Hospital Maastricht
- Erasmus MC
- Auckland District Health Board, Auckland City Hospital
- Middlemore Hospital
- Canterbury District Health Board
- North Shore Hospital
- CCDHB - Wellington Hospital
- Bashkir State Medical University
- Saratov State Medical University
- National Haematology Research Center
- Republican Hopsital n.a. V.A. Baranov
- Ryazan Regional Clinical Hospital
- Russian Research Institute of Hematology and Transfusiology
- Military Medical Academy n.a. S.M. Kirov
- Royal Liverpool University Hospital
- Belfast Health and Social Care Trust
- Birmingham Heartlands Hospital
- Beatson West of Scotland Cancer Centre
- Leicester Royal Infirmary
- Guy's Hospital
- Hammersmith Hosp - ICH NHS Trust
- The Christie NHS Foundation Trust
- Oxford University Hospitals NHS Trust
- Royal Hallamshire Hospital
Arms of the Study
Arm 1
Arm 2
Arm 3
Experimental
Experimental
Active Comparator
Pacritinib, Once Daily
Pacritinib, Twice Daily
Best Available Therapy
Pacritinib 400 mg QD
Pacritinib 200 mg BID
BAT includes any physician-selected treatment for myelofibrosis, such as approved JAK2 inhibitors administered according to package insert for patients with thrombocytopenia, and may include any treatment received before study entry.