Status:

TERMINATED

Study of TBio-6517 Given Alone or in Combination With Pembrolizumab in Solid Tumors

Lead Sponsor:

Turnstone Biologics, Corp.

Collaborating Sponsors:

Takeda

Conditions:

Solid Tumor

Microsatellite Stable Colorectal Cancer

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

To determine the recommended Phase 2 dose (RP2D) of TBio-6517 when administered by direct injection into tumor(s) or intravenously and when combined with pembrolizumab in patients with solid tumors (R...

Detailed Description

This is a Phase 1/2a dose escalation study with TBio-6517 administered by direct injection into tumor(s) or by intravenous infusion. The Phase 1 portion has 4 arms; the first arm (Arm A) will determin...

Eligibility Criteria

Inclusion

  • Key
  • Have a histologically or pathologically documented, locally-advanced or metastatic solid tumor for which standard curative measures do not exist or are no longer effective
  • Measurable disease as per RECIST 1.1 criteria
  • At least one tumor amenable to safe ITu injections and biopsies
  • ECOG performance status 0 or 1
  • Demonstrate adequate organ function
  • Must be willing to comply with all protocol procedures and adhere to post-treatment care instructions
  • Additional Inclusion criteria exist
  • For patients in phase 2 only: Have a histologically or cytologically confirmed advanced (metastatic and/or unresectable) solid tumor listed below, that is incurable and for which prior standard treatment has failed:
  • Advanced (unresectable) or metastatic, intra or extra hepatic adenocarcinoma originating from the bile duct, CCA (Cohort 1) having progressed on at least 1 line of systemic therapy (including targeted therapy if eligible)
  • Locally advanced or metastatic cutaneous melanoma (Cohort 2) that has failed anti-PD-1 or anti-PDL1 therapy (+/- anti-CTLA-4 therapy) and if BRAF+, having failed a BRAF/ +/-MEK inhibitor
  • Locally advanced or metastatic cSCC (Cohort 3) that has not received systemic therapy (e.g., local resection or local topical therapy is permitted).
  • Locally advanced or metastatic MSS-CRC (Cohort 4) patients that have progressed on at least 2 prior lines of systemic therapy which should include irinotecan and oxaliplatin +/- targeted therapy if warranted.
  • Key

Exclusion

  • Prior systemic therapy, including experimental, surgery or radiation therapy within 4 weeks and must have recovered from acute toxicity.
  • Prior treatment with any oncolytic virus.
  • Requires use of anti-platelet or anti-coagulant therapy that cannot be safely suspended for per protocol biopsies or intra-tumoral injections.
  • CNS metastases and/or carcinomatous meningitis that have not been completely resected or completely irradiated.
  • Prior history of myocarditis
  • Symptomatic or asymptomatic cardiovascular disease
  • Known HIV/AIDS, active HBV or HCV infection.
  • Received immunosuppressive medication within 4 weeks. (\>10mg/day prednisone)
  • Known intolerance to anti-PD-1 or anti-PD-L1 antibody therapy
  • Additional Exclusion criteria exist

Key Trial Info

Start Date :

June 2 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

January 23 2023

Estimated Enrollment :

27 Patients enrolled

Trial Details

Trial ID

NCT04301011

Start Date

June 2 2020

End Date

January 23 2023

Last Update

April 23 2025

Active Locations (11)

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Page 1 of 3 (11 locations)

1

Mayo Clinic

Phoenix, Arizona, United States, 85054

2

Mayo Clinic

Jacksonville, Florida, United States, 32224

3

Sylvester Comprehensive Cancer Center / UMHC

Miami, Florida, United States, 33136

4

University of Kansas Medical Center

Kansas City, Kansas, United States, 66205

Study of TBio-6517 Given Alone or in Combination With Pembrolizumab in Solid Tumors | DecenTrialz