This is a Phase 1a/1b, open-label, dose escalation and expansion study to evaluate the safety and efficacy of CTIM-76 (study drug), a CLDN6-directed T cell-engaging bispecific antibody, in participants with platinum-refractory/resistant ovarian cancer (PRROC) and other advanced CLDN6-positive solid tumors (i.e., testicular and endometrial).
The phase 1a Dose Escalation portion of the trial will enroll participants with PRROC, testicular, or endometrial cancer into one of approximately 9 dose escalation cohorts to assess safety, tolerability and to determine the recommended dose for expansion (RDE). CTIM-76 is to be administered once weekly (Q1W) for each cycle. A cycle is defined as 28 days. Participants will be dosed until documentation of disease progression, unacceptable toxicity, or participant/physician decision. The phase 1b dose expansion phase will evaluate CTIM-76 in at least one indication at up to 2 doses and/or dosing schedules (n=20 response evaluable participants in each cohort ) in the dose expansion phase of the trial (Phase 1b) studying one of the following advanced solid tumor types: PROC, testicular, or endometrial. This is to enable dose- and exposure-response analyses. The expansion doses/dosing schedules for Phase 1b will be determined by Sponsor in conjunction with Safety Review Committee (SRC) based upon all available safety, pharmacokinetic (PK), pharmacodynamic (PD), biomarker and preliminary efficacy data from Phase 1a. The selection of the RP2D will be based on the totality of data from Phase 1b.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
80
CLDN6 bispecific Antibody administered weekly (Day 1, 8, 15 and 22) of a 28-day treatment cycle until disease progression.
University of Arkansas Winthrop P. Rockefeller Cancer Institute
Little Rock, Arkansas, United States
RECRUITINGPrecision NextGen Oncology & Research Center
Beverly Hills, California, United States
Incidence of Dose Limiting Toxicities (DLTs)
Phase 1a will evaluate increasing doses of CTIM-76 based on the assessment of DLTs
Time frame: From date of first dose of CTIM-76 until 28 days following the first dose
Overall response rate (ORR)
ORR will be based on the best overall response rate as assessed by Investigators according to RECIST v1.1
Time frame: From date of first dose of CTIM-76 until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 24 months
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SCRI at Denver Health
Denver, Colorado, United States
RECRUITINGJohn Theurer Cancer Center
Hackensack, New Jersey, United States
RECRUITINGMemorial Sloan Kettering Cancer Center
New York, New York, United States
RECRUITINGGabrail Cancer Center
Canton, Ohio, United States
WITHDRAWNProvidence Cancer Institute of Oregon
Portland, Oregon, United States
RECRUITINGFox Chase Cancer Center
Philadelphia, Pennsylvania, United States
RECRUITINGWomen & Infants Hospital of Rhode Island
Providence, Rhode Island, United States
RECRUITINGVanderbilt-Ingram Cancer Center
Nashville, Tennessee, United States
RECRUITING...and 1 more locations