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A Study to Investigate Fadraciclib (CYC065), in Subjects With Leukemia or Myelodysplastic Syndrome (MDS)

Leukemia Clinical Trial

Official title:
A Phase 1/2, Open Label, Multicenter Study to Investigate the Safety and Efficacy of Fadraciclib (CYC065), an Oral CDK 2/9 Inhibitor, in Subjects With Leukemias or Myelodysplastic Syndrome (MDS)

Clinical Trial Summary

This is a 2-part, phase 1/2, open-label, multicenter study designed to evaluate the safety and efficacy of fadraciclib (formerly CYC065) administered orally BID. This study consists of Phase 1 and Phase 2 components in subjects with Leukemia or Myelodysplastic syndrome (MDS) who have progressed despite having standard therapy or for which no standard therapy exists.

Clinical Trial Description

Phase 1 part of the study will consist of a dose-escalation and a dose-finding component. Phase 2 will enroll subjects AML, CLL, or MDS, into 7 groups: Group 1: Subjects with AML or MDS having marrow blasts over > 10%, who have experienced an inadequate response or progression on venetoclax combinations with either HMAs or low dose Ara-C or similar venetoclax combinations Group 2: Fadraciclib: Subjects with AML or MDS relapsed/refractory having marrow blasts over > 10% with FLT3, KIT, MAPK pathway (N and K RAS, BRAF, PTPN11, NF1) mutations after at least 1 line of prior therapy. Group 3: Fadraciclib: Subjects with CLL who have progressed on 2 or more lines of therapy, including a Bruton's tyrosine kinase (BTK) inhibitor and venetoclax. Group 4: Fadraciclib plus azacitidine: Subjects with AML or MDS who have progressed after therapy with an HMA. Group 5: Fadraciclib plus venetoclax: Subjects with AML or MDS who have progressed after therapy with venetoclax. Group 6: Fadraciclib plus venetoclax: Subjects with CLL or small lymphocytic lymphoma (SLL) who have progressed after therapy with venetoclax. Group 7: Basket cohort: Leukemia types suspected to have a related mechanism of action such as MCL1, or MYC amplification/over-expression not included in previous groups ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05168904
Study type Interventional
Source Cyclacel Pharmaceuticals, Inc.
Contact
Status Suspended
Phase Phase 1/Phase 2
Start date October 22, 2021
Completion date December 2024
View Details
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