Melanoma Clinical Trial
Study of TBio-6517 Given Alone or in Combination With Pembrolizumab in Solid Tumors
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 (RIVAL-01).
Full 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 determine the RP2D of TBio-6517 alone when directly injected into tumor(s), and the second arm (Arm B) will determine the RP2D of TBio-6517 when combined with pembrolizumab. The third and fourth arms will determine the RP2D of TBio-6517 when given intravenously alone and with pembrolizumab, respectively.
In the Phase 2a portion, the clinical benefit of TBio-6517 combined with pembrolizumab will be further explored in patients with Microsatellite Stable Colorectal Cancer (MSS-CRC), Cholangiocarcinoma (CCA), Cutaneous Melanoma, and Cutaneous Squamous Cell Carcinoma of the Skin (cSCC), as assessed by overall response rate (ORR) from central radiology review.
Eligibility Criteria
Key Inclusion Criteria:
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 Criteria:
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
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There are 10 Locations for this study
Phoenix Arizona, 85054, United States
Jacksonville Florida, 32224, United States
Miami Florida, 33136, United States
Kansas City Kansas, 66205, United States
Boston Massachusetts, 02215, United States
Rochester Minnesota, 55902, United States
Billings Montana, 31031, United States
Houston Texas, 77030, United States
Ottawa Ontario, , Canada
Ilsandong , 10408, Korea, Republic of
Junggu , 03080, Korea, Republic of
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