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A Phase Ib Study of the Selective PKC-β Inhibitor MS-553 in Patients With Refractory or Relapsed CLL/SLL

A Phase Ib Study of the Selective PKC-β Inhibitor MS-553 in Patients With Refractory or Relapsed Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma

Status
Not yet recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06979076
Enrollment
12
Registered
2025-05-18
Start date
2026-07-31
Completion date
2028-12-31
Last updated
2025-09-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

CLL (Chronic Lymphocytic Leukemia), SLL (Small Lymphocytic Lymphoma)

Brief summary

A Phase Ib Study of the Selective PKC-β Inhibitor MS-553 in Patients with Refractory or Relapsed Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma

Interventions

DRUGMS-553, DS1

Oral, Dose Schedule 1

DRUGMS-553, DS2

Oral, Dose Schedule 2

Sponsors

MingSight Pharmaceuticals, Inc
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age 18 years or older. 2. Diagnosis of CLL or SLL: 1. History of histologically documented CLL or SLL that meets iwCLL diagnostic criteria according to the 2018 guidelines, and 2. Indication for treatment as defined by the 2018 iwCLL guidelines, or the need for disease reduction prior to allogeneic transplantation.-

Exclusion criteria

1. Current transformation of CLL/SLL non-Hodgkin lymphoma or Hodgkin lymphoma. 2. Active and uncontrolled autoimmune cytopenia(s).

Design outcomes

Primary

MeasureTime frame
The occurrence of AEs and SAEs, with abnormal laboratory tests results, abnormal physical examination findings, abnormal vital signs, and abnormal ECG readingsThrough study completion, an average of 2 years

Contacts

Primary ContactKai Zhang
kzhang@mingsight.com858-699-7681

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026