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

NCT ID: NCT03492125

Last Updated: 2025-04-10

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-05-25

Study Completion Date

2023-11-28

Brief Summary

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

Detailed Description

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Conditions

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Chronic Lymphocytic Leukemia Small Lymphocytic Lymphoma Aggressive Lymphoma

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

a limited 3+3 phase 1 dose escalation study with expansion cohorts
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Phase I Dose Escalation Cohort A1 (MS-553 Monotherapy)

R/R CLL/SLL patients

Group Type EXPERIMENTAL

MS-553

Intervention Type DRUG

Oral, multiple dose levels

Phase II Expansion Cohort A2 (MS-553 Monotherapy)

R/R CLL/SLL patients

Group Type EXPERIMENTAL

MS-553

Intervention Type DRUG

Oral recommended phase 2 dose of MS-553

Phase II Expansion Cohort A3 (MS-553 Monotherapy)

patients with aggressive lymphoma

Group Type EXPERIMENTAL

MS-553

Intervention Type DRUG

Oral recommended phase 2 dose of MS-553

Phase I Combination Dose Escalation Cohort B1

BTK inhibitor naïve CLL/SLL patients

Group Type EXPERIMENTAL

MS-553

Intervention Type DRUG

Oral, multiple dose levels

acalabrutinib

Intervention Type DRUG

Oral

Phase II Expansion Cohort B2

BTK inhibitor naïve CLL/SLL patients

Group Type EXPERIMENTAL

MS-553

Intervention Type DRUG

Oral recommended phase 2 dose of MS-553

acalabrutinib

Intervention Type DRUG

Oral

Phase II Expansion Cohort B3

BTK inhibitor naïve CLL/SLL patients with certain gene mutations

Group Type EXPERIMENTAL

MS-553

Intervention Type DRUG

Oral recommended phase 2 dose of MS-553

acalabrutinib

Intervention Type DRUG

Oral

Phase I Combination Dose Escalation Cohort C1

Bcl-2 inhibitor naïve CLL/SLL patients

Group Type EXPERIMENTAL

MS-553

Intervention Type DRUG

Oral, multiple dose levels

venetoclax

Intervention Type DRUG

Oral

Rituximab

Intervention Type DRUG

IV

obinutuzumab

Intervention Type DRUG

IV

Experimental: Phase II Expansion Cohort C2

Bcl-2 inhibitor naïve CLL/SLL patients

Group Type EXPERIMENTAL

MS-553

Intervention Type DRUG

Oral recommended phase 2 dose of MS-553

venetoclax

Intervention Type DRUG

Oral

Rituximab

Intervention Type DRUG

IV

obinutuzumab

Intervention Type DRUG

IV

Interventions

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MS-553

Oral, multiple dose levels

Intervention Type DRUG

MS-553

Oral recommended phase 2 dose of MS-553

Intervention Type DRUG

acalabrutinib

Oral

Intervention Type DRUG

venetoclax

Oral

Intervention Type DRUG

Rituximab

IV

Intervention Type DRUG

obinutuzumab

IV

Intervention Type DRUG

Other Intervention Names

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Venclexta Venclyxto Rituxan MabThera Gazyva

Eligibility Criteria

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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

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)

Exclusion Criteria

Patients who meet any of the following criteria are not eligible for the primary escalation and expansion cohorts of this study:
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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MingSight Pharmaceuticals, Inc

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University Of Michigan Comprehensive Cancer Center

Ann Arbor, Michigan, United States

Site Status

Columbia University, Herbert Irving Comprehensive Cancer Center

New York, New York, United States

Site Status

The Ohio State University, James Comprehensive Cancer Center

Columbus, Ohio, United States

Site Status

MD Anderson Cancer Center, Department of Leukemia

Houston, Texas, United States

Site Status

Huntsman Cancer Institute

Salt Lake City, Utah, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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MS-553-103

Identifier Type: -

Identifier Source: org_study_id

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