A Phase 1 Study of CTIM-76 in Patients With Recurring Ovarian Cancer and Other Advanced Solid Tumors

Purpose

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 humanized T cell engaging bispecific antibody targeting CLDN6, in subjects with platinum-refractory/resistant ovarian cancer (PRROC) and other advanced CLDN6-positive solid tumors (i.e., testicular and endometrial).

Conditions

  • Platinum-resistant Ovarian Cancer
  • Testicular Cancer
  • Endometrial Cancer

Eligibility

Eligible Ages
Over 18 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Subjects with CLDN6 positive platinum resistant/refractory ovarian, advanced testicular or advanced endometrial cancer. - Subject with measurable disease per RECIST 1.1 - ECOG 0, 1, or 2 - Subjects with adequate organ function.

Exclusion Criteria

  • Evidence of central nervous system metastases, leptomeningeal disease or spinal cord compression. - Uncontrolled significant active infection or any medical or other condition that in opinion of the investigator would preclude the subject's participation in the study. - Prior treatment with CLDN-6 targeted therapy. - Concurrent participation in another investigational clinical trial.

Study Design

Phase
Phase 1
Study Type
Interventional
Allocation
N/A
Intervention Model
Sequential Assignment
Intervention Model Description
Phase 1a is a dose escalation assessing 9 different dose levels and phase 1b will evaluate 2 doses from the phase 1a.
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
CTIM-76
Phase 1a: Dose Escalation-each dose cohort will assess toxicity 28 days following the first dose of CTIM76; anticipate a total of 9 dose cohorts. Phase 1b: Dose Expansion - 30 subjects will be evaluated using 2 different doses of CTIM-76
  • Drug: CTIM-76
    Claudin 6 bispecific Antibody administered weekly (Day 1, 8, 15 and 22) of a 28 day treatment cycle until disease progression.
    Other names:
    • CTIM-76 Claudin 6 bispecific Antibody

Recruiting Locations

Context Investigational Site
Little Rock, Arkansas 72205
Contact:
Maroof Zafar
501-686-8274
MKZafar@uams.edu

Context Investigational Site
Hackensack, New Jersey 07601
Contact:
Oncology Clinical Research Referral Office
551-996-1777
OncologyResearchReferral@hmhn.org

Context Investigational Site
New York City, New York 10021
Contact:
Roisin O'Cearbhaill, MD
ocearbhr@mskcc.org

Context Investigational Site
Canton, Ohio 44718
Contact:
Kirstie Armstrong
330-492-3345
karmstrong@gabrailcancercenter.com

Context Investigational Site
Portland, Oregon 97213
Contact:
Christopher Darus, MD
503-215-2075
CanRsrchStudies@Providence.org

Context Investigational Site
Philadelphia, Pennsylvania 19111
Contact:
Shannon Fabrie
215-214-1440
shannon.fabrie@fccc.edu

Context Investigational Site
Dallas, Texas 75230
Contact:
Angela Hotchkiss
214-658-1958
ahotchkiss@marycrowley.org

More Details

NCT ID
NCT06515613
Status
Recruiting
Sponsor
Context Therapeutics Inc.

Study Contact

Karen Andreas
267-225-7416
clinical@contexttherapeutics.com

Detailed Description

The phase 1a Dose Escalation portion of the trial will enroll subjects with platinum-resistant/refractory ovarian cancer (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. Subjects will be dosed until documentation of disease progression, unacceptable toxicity, or subject/physician decision. The phase 1b dose expansion phase will evaluate CTIM-76 in one indication (PRROC, endometrial or testicular) at up to 2 doses (n=15 response evaluable subjects at each dose level). This is to enable dose- and exposure-response analyses. Dosing will follow the same schedule as Phase 1a. A priming dose will be administered on Day 1, and the full cohort dose will be administered weekly thereafter. Expansion doses 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 recommended Phase 2 dose (RP2D) will be based on the totality of data from Phase 1b.