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A Study Of The Selective PKC-β Inhibitor MS- 553

Trial Status: Active

A Phase I Dose-Escalation Study Of The Selective PKC-Β Inhibitor MS-553 In Patients With Chronic Lymphocytic Leukemia / Small Lymphocytic Lymphoma

Inclusion Criteria

  • Inclusion Criteria: To be eligible for inclusion in the primary escalation and expansion cohort 1 in this study, patients must meet all of the following criteria: 1. Age 18 years or older 2. Diagnosis of chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL): 1. History of histologically documented CLL or SLL that meets IWCLL diagnostic criteria according to the 2008 guidelines, and 2. Indication for treatment as defined by the 2008 IWCLL guidelines, or the need for disease reduction prior to allogeneic transplantation Exclusion Criteria: Patients who meet any of the following criteria are not eligible for the primary escalation and expansion cohorts of this study: 1. Current or past transformation of CLL/SLL to prolymphocytic leukemia (PLL), non-Hodgkin lymphoma, or Hodgkin lymphoma aggressive lymphoma outlined in the inclusion criteria for the optional cohort. 2. Active and uncontrolled autoimmune cytopenia(s) 3. Any of the following prior therapies within 14 days prior to cycle 1, day 1: 1. Major surgery 2. Corticosteroids greater than 20 mg / day prednisone (or equivalent), unless used by inhalation or topical route, or unless necessary for premedication before iodinated contrast dye, or for autoimmune hemolytic anemia 3. Cytotoxic chemotherapy or biologic therapy, excepting BCR pathway kinase inhibitors for which no wash out is required (but must be stopped before cycle 1 day 1)


Ann Arbor
University of Michigan Comprehensive Cancer Center
Status: ACTIVE

New York

New York
NYP / Columbia University Medical Center / Herbert Irving Comprehensive Cancer Center
Status: ACTIVE


Ohio State University Comprehensive Cancer Center
Status: ACTIVE


M D Anderson Cancer Center


Salt Lake City
Huntsman Cancer Institute / University of Utah
Status: ACTIVE

Trial Phase Phase I

Trial Type Treatment

Lead Organization
MingSight Pharmaceuticals, Inc.

  • Primary ID MS-553-103
  • Secondary IDs NCI-2018-00688
  • ID NCT03492125