Status:

ACTIVE_NOT_RECRUITING

CFI-402257, a Potent and Selective TTK Inhibitor, in Solid Tumors and With Fulvestrant in Breast Cancer

Lead Sponsor:

Treadwell Therapeutics, Inc

Conditions:

Advanced Solid Tumor

Breast Cancer

Eligibility:

All Genders

18+ years

Phase:

PHASE1

PHASE2

Brief Summary

The purpose of this study is to test the safety of an investigational drug called CFI-402257 alone in advanced solid tumors and in combination with Fulvestrant in advanced breast cancer patients.

Detailed Description

This study will be evaluating the safety and tolerability of CFI-402257 in subjects with advanced solid tumors and in advanced breast cancer. The study is designed to build on encouraging data from an...

Eligibility Criteria

Inclusion

  • Part A Escalation
  • 1\. Have histological or cytological proof of advanced cancer that has progressed on at least 1 prior line of systemic therapy
  • Part A Expansion
  • Breast cancer patients positive for estrogen receptor and/or progesterone receptor and negative for HER2
  • Must have previously received a CDK4/6 inhibitor
  • No limit on lines of endocrine therapy
  • Must have received no more than 1 line of cytotoxic chemotherapy
  • Have measurable disease as per RECIST 1.1 guidelines.
  • Part B
  • Breast cancer patients positive for estrogen receptor and/or progesterone receptor and negative for HER2
  • Must have previously received a CDK4/6 inhibitor
  • Must have previously received no more than 1 line of endocrine therapy
  • Must have received no more than 1 line of cytotoxic chemotherapy
  • Have measurable disease as per RECIST 1.1 guidelines.

Exclusion

  • All Parts
  • Are pregnant or nursing.
  • Have received chemotherapy, biological therapy, or investigational treatment less than 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to first dose of study drug. Have received radiotherapy less than 2 weeks prior to first dose of study drug.
  • Received growth factors within 14 days prior to initiation of dosing of CFI-402257 or who will require ongoing treatment with growth factors
  • Have active, acute, or clinically significant chronic infections.
  • Have the following cardiovascular conditions
  • Have uncontrolled severe hypertension
  • Have symptomatic congestive heart failure
  • Have active angina pectoris or recent myocardial infarction
  • Have chronic atrial fibrillation or QTc of greater than 470 msec.
  • Have had major surgery within 21 days of starting therapy.
  • Primary central nervous system malignancies or known central nervous system metastasis.
  • Being treated with full dose warfarin.
  • Coagulopathy or any history of coagulopathy within the past 6 months, including history of deep vein thrombosis or pulmonary embolism.
  • Patients must avoid the use of strong CYP3A4 inducers and inhibitors. CYP3A sensitive substrates, PgP, BCRP inhibitors
  • Have had prior treatment with a TTK/MPS1 inhibitor.
  • Part B only: Known bleeding disorder which would prohibit administration of fulvestrant.
  • Part B only: Concomitant active malignancy other than ER+/HER2- advanced breast cancer.
  • Part A only: Concomitant active malignancy other than primary malignancy
  • Part B only: Had prior treatment with fulvestrant or agents with similar MoA

Key Trial Info

Start Date :

May 27 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 1 2026

Estimated Enrollment :

44 Patients enrolled

Trial Details

Trial ID

NCT05251714

Start Date

May 27 2022

End Date

August 1 2026

Last Update

May 18 2025

Active Locations (4)

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Page 1 of 1 (4 locations)

1

The Ohio State University Comprehensive Cancer Center

Columbus, Ohio, United States, 43210

2

START San Antonio

San Antonio, Texas, United States, 78229

3

START - Mountain Region

West Valley City, Utah, United States, 84119

4

Virginia Cancer Specialist

Fairfax, Virginia, United States, 22031