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Carcinoma, Hepatocellular

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Tyrosine Kinase Inhibitors

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Tyrosine

Monotherapy: OTX-2002 (Cycle length = 4 weeks) OTX-2002 will be administered as an IV infusion over 80-120 minutes every 2 weeks

OTX-2002 + Tyrosine Kinase Inhibitor One: (Cycle length = 4 weeks) OTX-2002 will be administered as an IV infusion over 80-120 minutes every 2 weeks.

Tyrosine Kinase Inhibitor One will be standard per the respective fixed local approved dose

OTX-2002 + Tyrosine Kinase Inhibitor Two : (Cycle length = 4 weeks) OTX-2002 will be administered as an IV infusion over 80-120 minutes every 2 weeks.

Tyrosine Kinase Inhibitor Two will be standard per the respective fixed local approved dose

OTX-2002 + Immune Checkpoint Blockade: (Cycle length = 6 weeks) OTX-2002 will be administered as an IV infusion over 80-120 minutes every 2 weeks.

Checkpoint Inhibitor will be standard per the respective fixed local approved dose

OTX-2002 is a lipid nanoparticle (LNP) that contains a biscistronic mRNA that codes for 2 independent epigenomic controllers.

OTX-2002

Tyrosine kinase inhibitor One

Tyrosine kinase inhibitor Two

monoclonal antibody that binds to PD-1 or PD-L1

Checkpoint Inhibitor, Immune

Head of Clinical Development Operations

Chief Medical Officer

Daneng Li

Taryn King

Aurelie Desgardin

Hang Chang

Sharon Jerdonek

Susanna V Ulahannan

Cynthia DeLeon

GI Nurse Navigator

Stephen Lam Cham

Thomas Chung Cheung Yau

Min-hee Ryu

Tae-Yong Kim

Choong-Kun Lee

David Tai Wai-Meng

Yong Wei Peng

Chia-Jui Yen

Chia-Chi Lin

Yan Moore, MD

This is a Phase 1/2 open-label study to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary antitumor activity of OTX-2002 as a single agent and in combination with standard of care in patients with hepatocellular carcinoma (HCC) and other solid tumor types known for association with the MYC oncogene.

The study consists of Part 1 (OTX-2002 monotherapy) and Part 2 (OTX-2002 combined with standard of care in hepatocellular carcinoma). Part 1 consists of escalation and expansion, and Part 2 consists of safety run-in and expansion. The objective of Part 1 escalation and Part 2 safety run-in will be safety and tolerability, while anti-tumor activity will be evaluated as the primary endpoint in Part 1 and Part 2 expansion.

This is a Phase 1/2 open-label study to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary antitumor activity of OTX-2002 as a single agent and in combination with standard of care in patients with hepatocellular carcinoma (HCC) and other solid tumor types known for association with the MYC oncogene. The study consists of Part 1 (OTX-2002 monotherapy) and Part 2 (OTX-2002 combined with standard of care in hepatocellular carcinoma).

In Part 1, during dose escalation, participants with HCC and other solid tumors that progressed on, relapsed after, are refractory to, or are intolerant of standard of care for which no treatment options are available will be administered an intravenous infusion of OTX-2002 as a single agent. The escalation will be conducted using a 3+3 design, with the primary endpoint of dose limiting toxicity (DLT), maximum tolerated dose (MTD), and incidence of treatment emergent adverse events (TEAEs). In Part 1 expansion, 15-25 participants with BCLC stage B or C, Child-Pugh Class A HCC who have received at least 1 prior line of systemic anticancer treatment, and without available subsequent standard of care, will receive OTX-2002 at the recommended dose for expansion (RDE) for monotherapy. The primary endpoint of Part 1 expansion will be overall response rate (ORR) and duration of response (DoR).

In Part 2, during safety run-in, participants with BCLC stage B or C, Child-Pugh Class A HCC who have received at least 1 prior line of systemic anticancer treatment, and without available subsequent standard of care, will receive OTX-2002 at the selected dose in combination with standard of care therapies at the local approved dose. The primary endpoint of Part 2 safety run-in will be DLT, MTD, and incidence of TEAE. Once the combination therapies have been determined to be tolerable in the safety run-in, 15-25 HCC participants will be enrolled in Part 2 expansion for each of the combination therapies. The primary endpoint of Part 2 expansion will be ORR and DoR.

Part 1 OTX-2002 monotherapy dose escalation and expansion in participants with hepatocellular carcinoma (HCC) and other solid tumors

During the monotherapy dose escalation phase, participants will be enrolled in sequential cohorts of increasing doses of OTX-2002.

Part 2 of the study is a safety run-in and expansion study of OTX-2002 participants with HCC will be administered OTX-2002 in combination with tyrosine kinase inhibitor One (Part 2A), Tyrosine Kinase Inhibitor Two (Part 2B), or Checkpoint Inhibitor (Part 2C).

A Phase 1/2 Study to Evaluate OTX-2002 in Patients With Hepatocellular Carcinoma and Other Solid Tumor Types Known for Association With the MYC Oncogene

Phase 1/2 Open-label Study to Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Preliminary Antitumor Activity of OTX-2002 as a Single Agent and in Combination With Standard of Care in Patients With Hepatocellular Carcinoma and Other Solid Tumor Types Known for Association With the MYC Oncogene

The frequency of DLTs will be tabulated by dose for participants in the dose escalation phase, and information about all DLTs will be listed by dose.

The incidence of TEAEs, SAEs, and TEAEs leading to study drug discontinuation will be summarized for all patients.

ORR (proportion of participants who achieve CR or PR), DCR (proportion of participants who achieve CR, PR, or SD)per mRECIST (for HCC) and RECIST 1.1(for solid tumors), during Parts 1, 2A, 2B,and 2C

•ORR (proportion of participants who achieve CR or PR), DCR (proportion of participants who achieve CR, PR, or SD)per irRECIST during Part 2C

Duration of Complete Response and Partial Response

Omega Therapeutics

Spots Global Cancer Trial Database for tyrosine kinase inhibitor two