Transforming Immuno-Oncology (IO) - 1Q 2023 Corporate Overview
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This presentation (“Presentation”) is for informational purposes only to assist interested parties in making their own evaluation with respect to ImmunoGenesis, Inc. (“ImmunoGenesis” or the “Company”). The information contained herein does not purport to be all-inclusive and none of the Company, its affiliates nor any of its or their control persons, officers, directors, employees or representatives makes any representation or warranty, expressed or implied, as to the accuracy, completeness or reliability of the information contained in this Presentation. You should consult your own counsel and tax and financial advisors as to legal and related matters concerning the matters described herein, and, by accepting this presentation, you confirm that you are not relying upon the information contained herein to make any decision. Forward-Looking Statements Certain statements in this presentation may be considered forward-looking statements. Forward-looking statements generally relate to future events or the Company’s future financial or operating performance. In some cases, you can identify forward-looking statements by terminology such as “may,” “should,” “expect,” “intend,” “will,” “estimate,” “anticipate,” “believe,” “predict,” “potential” or “continue,” or the negatives of these terms or variations of them or similar terminology. Such forward-looking statements are subject to risks, uncertainties, and other factors which could cause actual results to differ materially from those expressed or implied by such forward- looking statements. These forward-looking statements are based upon estimates and assumptions that, while considered reasonable by the Company and its management, are inherently uncertain. New risks and uncertainties may emerge from time to time, and it is not possible to predict all risks and uncertainties. Factors that may cause actual results to differ materially from current expectations include, but are not limited to, various factors beyond management's control including general economic conditions and other risks, uncertainties and factors. Nothing in this presentation should be regarded as a representation by any person that the forward-looking statements set forth herein will be achieved or that any of the contemplated results of such forward-looking statements will be achieved. You should not place undue reliance on forward-looking statements, which speak only as of the date they are made. The Company does not undertake any duty to update these forward-looking statements. 2
ImmunoGenesis Investment Thesis • IMGS-001, lead product, is a first-in-class PD-L1/PD-L2 dual-specific inhibitor with effector function – Ready to enter the clinic – FDA ok to proceed – Enhanced approach to proven biological pathway – Can be foundational agent in >$50 B market segment • Experienced team in place • Scientific founder is a pioneer in modern IO; highly sought after for SAB roles • Phase 2 asset in pipeline that is generating partnering interest 5
Series A Financing Leads to Value-Enhancing Milestones Series A Financing 1H 2H 1H 2H 1H 2H 2023 2023 2024 2024 2025 2025 Phase 1A data Top-line data IMGS-001 FDA Ok to in 18 patients Phase 1A/1B PD-L1/L2 Dual- Proceed Phase 1A data First 60 Pts Specific w/Effector Initiate in 25 patients Function Phase Top-line Data 1A/1B Trial Initiate Phase Phase 1A/1B 1B expansion 90 Pts Initiate Data IMGS-101 Phase 1/2 Phase 1 data Phase 1/2 in 12 patients 42 Pts Evofosfamide Trial Data in 10 IMGS-203 Manufacturing and other patients STING pre-IND work Phase 1 Trial 6
Founder: Michael A. Curran, PhD Associate Professor of Immunology, MDACC • Trained with Nobel Laureate Jim Allison • Co-inventor on CTLA-4 patent; proposed, described, and drove early development of YERVOY® + OPDIVO® , still most efficacious checkpoint combo • More than 45 IO publications since 2012 and multiple awards, including the Presidential Award from the Society for Immunotherapy of Cancer • Extensive IO drug development experience, including co-scientific director of the MDACC ORBIT platform (eg, GSK αOX-40 and clinical 8F4 programs); SAB positions from small to large pharma • Founded ImmunoGenesis in 2019 to develop therapies from his lab to address the significant unmet need in cold tumors 7
ImmunoGenesis Team MANAGEMENT James A. Barlow, Jr. | CEO and President Freddi F. O’Brien | Chief Financial Officer Jeremy Barton, MD | Acting Chief Medical Officer Scott Cullison | Acting Chief Business Officer Federica Pericle, PhD | Chief Scientific Officer Matthew Hemberger, PhD | Senior Director, CMC & Quality Charles Schweizer, PhD | SVP Clinical Development Amanda Sanders| Associate Director, Clinical Operations SCIENTIFIC, CLINICAL, & BUSINESS ADVISORS Michael A. Curran, PhD David Hong, MD Jacques Gaudreault Robert Stein, MD PhD Founder and SAB Head Clinical Advisor Nonclinical Consultant Member, Board of Directors 8
Lead PoC Manufacturing PROGRAM INDICATIONS Discovery Optimization (in vivo) IND-Enabling Phase 1 Phase 2 Lead Program IMGS-001 PD-L1/PD-L2 TNBC, dual-specific Colorectal, antibody with Ovarian effector function IMGS-101 (EVO) Hypoxia-reversal Prostate, agent in combination Pancreatic, with checkpoint Head and Neck inhibitors Development Programs IMGS-401 Cold Tumors PD-L1/PD-L2 + 4-1BB Tri-functional Bispecific Ab IMGS-501 Cold Tumors STING-ISAC with PD-L1/PD-L2 dual- specific Ab Ab, antibody; ISAC, immune-stimulating antibody conjugate; STING, stimulator of interferon genes; TNBC, triple-negative breast cancer.
The PD-1 Pathway : Classical Model Problem: Cancers evade immune recognition by engaging the PD-1 molecule to turn off the protective function of T cells Partial solution: Antibody blocking of PD-1 or PD-L1 restores immune function. However, targeting this inhibitory pathway by blocking PD-1 benefits only a minority of patients with immune-flamed tumors Opportunity: No FDA approved drugs that block both PD-L1 and PD-L2 binding to PD-1 and eliminate PD- L+ expressing cells via ADCC and ADCP mechanisms, allowing patients with immune-excluded tumors to benefit 10
IMGS-001: PD-L1/PD-L2 Dual-Specific Inhibitor with Effector Function PD-L1 • Fully human IgG1 monoclonal antibody ADCC+ • Binds both PD-L1 and PD-L2 and (FcγRllla) I332E PD-L2 blocks their interaction with PD-1 S239D – Also blocks interaction of PD-L1 with B7.1 • Fc engineered with 3 mutations to G236A induce ADCC, ADCP activity ADCP+ PD-L1 (FcγRlla) Human IgG1 PD-L2 11
Immune Excluded Tumors Represent a Significant Unmet Need Melanoma Lung TNBC Bladder Gastric Ovarian CRC PDAC CRC 12% 63% 25% Incidence NSCLC 31% 44% 25% mUC 26% 47% 27% TNBC 36% 47% 17% Source: Roche ASCO Presentation 2020. CRC, colorectal cancer; NSCLC, non-small cell lung cancer; mUC, metastatic urothelial carcinoma; TNBC, triple-negative breast cancer; CIT: cancer immunotherapy; PDAC, pancreatic ductal adenocarcinoma. 12
Curing Checkpoint Fatigue New Paradigm of PD-1 Pathway Blockade—First to Target PD-L2 IMGS-001 2025 estimated revenue for these drugs is $50B* Re-envision and reset the starting point for cold tumor efficacy >$50B market All Other Tumors Cold, Immune- 45% Excluded Tumors 55% *GlobalData estimates. 13
IMGS-001 Takes Out Immune Suppression at the Source Robust killing function of immunosuppressive cells expressing PD-L1 and/or PD-L2. CAFs M2 Macrophages TGF-β Arginase MDSCs IDO Cold Tumor Microenvironment Adenosine IMGS-001 Tumor Cells CAF, cancer-associated fibroblast; IDO, indoleamine 2, 3-dioxygenase; MDSC, myeloid-derived suppressor cell; TGF-β, transforming growth factor beta. 14
Enhanced Cold Tumor Efficacy for Final Clinical Lead 5 x 104 B16-F10-PDL2 Treat on days Treatment with IMGS-001 resulted in a 50% survival right flank 3, 6, 9, 12, 15, 18 rate while anti-PD-1 showed no survival benefit 100 1500 Tumor Volume (mm3) 75 1200 % survival 900 50 IMGS-001 *** 600 anti-PD-1 Negative Control (mouse Keytruda) 25 anti-PD-1 300 Negative Control (mouse Keytruda) 0 IMGS-001 0 0 20 40 60 0 5 10 15 20 25 days (post tumor implant) days (post tumor implant) Log-rank (Mantel-Cox) test: ***p < 0.001 15
IMGS-001^ Increases CD8+ and CD4+ T cell Proliferation B16-PDL2 Model: IMGS-001 drives increased proliferation of T cells^^ * p=0.05 ** p=0.01 ^ Previous IMGS-001 lead molecule; further refinements were made to final lead that went to manufacture *** p=0.001 ^^ Analysis of tumor draining lymph node after five doses of IMGS-001 **** p=0.0001 16
IMGS-001^ Expands Dendritic Cells B16-PDL2 Model: IMGS-001 expands innate immune DCs^^ * p=0.05 ** p=0.01 ^ Previous IMGS-001 lead molecule; further refinements were made to final lead that went to manufacture *** p=0.001 ^^ Analysis of tumor draining lymph node after five doses of IMGS-001 **** p=0.0001 17
IMGS-001^ Depletes Key Immunosuppressive Cells B16-PDL2 Model: IMGS-001 depletes suppressive MDSC and MACs^^ * p=0.05 ** p=0.01 ^ Previous IMGS-001 lead molecule; further refinements were made to final lead that went to manufacture *** p=0.001 ^^ Analysis of tumor draining lymph node after five doses of IMGS-001 **** p=0.0001 18
IMGS-001 is Ready to Enter Clinic in Q1 2023 Good Manufacturability Profile Regulatory • WuXi Biologics completed GMP manufacturing at • FDA Ok to Proceed; FPI in Q1 2023 2,000 L scale in March 2022 – robust titer of ~6 g/L • Robust IP protection – IMGS-001 COM out to • Product vialed and IND documentation complete 2043 Initial Demonstration of Clean Tox Profile Phase 1A/1B Trial Design in Place • Non-GLP mouse study: no overt tox • Optimizing clinical trial design • Non-GLP cyno PK/PD study: no overt tox even at • Robust biomarker opportunities/strategy; assays 10X clinical dose will be finalized in Q1 2023 • GLP Tox in cynos: no overt tox even at 5X and 10X clinical dose 19
IMGS-001: Phase 1A/1B Clinical Trial Plan PART 2 Tumor Specific Cohorts Study Objectives (PD-L1 >5%) Study Objectives Assess safety of Single Agent Efficacy PART 1 IMGS-001 Ovarian (ORR, CBR, PFS) Dose Escalation chemorefractory Investigate correlation between Assess preliminary Colorectal 9p24.1 amplification, PD-L1, signs of efficacy chemorefractory PD-L2 expression PK analysis and clinical response PHASE 1A Solid Tumors Breast (TNBC) Explore biomarkers of Explore biomarkers of response or target IC resistant/refractory response or target engagement (via tissue engagement (via tissue Gastric/Esophageal* biopsies and serum biopsies and serum IC resistant/refractory plasma) plasma) *Potential5 dose cohorts *NSCLC, Bladder and HNSCC also under consideration. 20 (.3 to 15 mg/kg) Qx2w.
Phase 1A/B Clinical Trial - Multiple Opportunities to Show Clinical Differentiation Biomarker Strategy: Can differentiate across: 1) Leverage single cell RNA data to identify 1) Checkpoint naïve patients tumor types with advantageous (i.e. Ovarian and Colorectal) expression of PD-L1/L2 2) Checkpoint experienced 2) Prospectively test for PD-L1 >5% patients (i.e. Bladder, • Select away from immune desert patients TNBC, Gastroesophageal) • High concordance with PD-L2 expression 3) Biomarker-driven population 3) Retrospectively test for: • PD-L1/L2 overexpressers • PD-L2 • 9p24.1 amplified • 9p24.1amplification 21
Cutting Edge Bioinformatics to Guide Indication Selection 22
Lead PoC Manufacturing PROGRAM INDICATIONS Discovery Optimization (in vivo) IND-Enabling Phase 1 Phase 2 Lead Program IMGS-001 PD-L1/PD-L2 TNBC, dual-specific Colorectal, antibody with Ovarian effector function IMGS-101 (EVO) Hypoxia-reversal Prostate, agent in combination Pancreatic, with checkpoint Head and Neck inhibitors Development Programs IMGS-401 Cold Tumors PD-L1/PD-L2 + 4-1BB Tri-functional Bispecific Ab IMGS-501 Cold Tumors STING-ISAC with PD-L1/PD-L2 dual- specific Ab Ab, antibody; ISAC, immune-stimulating antibody conjugate; STING, stimulator of interferon genes; TNBC, triple-negative breast cancer.
IMGS-101 (EVO) Conditions Cold Cancers to Respond and is IND ready for Phase 2 • ImmunoGenesis is developing Evofosfamide (Evo) as a hypoxia-reversal agent (HRA), which can be combined with IO to drive efficacy • Completed a successful phase 1/2 with Evo + anti-CTLA4 (initial proof of concept) • Initiating a targeted phase 2 with EVO + anti-CTLA-4 and anti-PD-1 (ASAP 2023) • Goal is to confirm proof-of-biology for Evo as a conditioning agent; opportunity to add Evo to our other products as an adjunctive agent • Plan to partner this molecule for more advanced combination studies with checkpoint inhibitors and/or cell therapies 24
IMGS-101 (Evo) + Ipilimumab Phase 1/2 Compelling Efficacy Phase 1 Dose Escalation – Ipilimumab/Evofosfamide 100 • Heavily pretreated patients across prostate, % Change – Best Response 400 mg/m2 pancreatic, and HNSCC: ≤6 months survival 50 480 mg/m2 SD • Across 4 doses and 4 indications, the ORR was 0 560 mg/m2 17% and DCR was 83%; every patient re-treated PR 640 mg/m2 with Evo/Ipi responded with tumor regression -50 and/or ≥4 months progression-free survival (PFS) -100 • Objective responses in prostate cancer patients would qualify as breakthrough and for FDA Fast Track • Breakthrough and FDA Fast Track would also apply to HNSCC and pancreatic if response noted • Clear biomarker signal emerged; will be validated in phase 2 Ipilimumab Evofosfamide 25
EVO-011 Phase 1/2 Clinical Trial • Histologically confirmed locally advanced/metastatic prostate, pancreatic, and HPV (-) head and neck • Patients refractory to standard of care lines of therapy Phase 2 ~62 Tumor Subjects Phase 1 BOIN Design ~12 Cohorts Key Endpoints Dose Escalation Subjects • Objective Response Rate and PFS Dose Evo AGEN1884 AGEN2034 Head/Neck (n=16) • Safety and tolerability • Pharmacokinetics 2 1 480 mg/m 1 mg/kg 3 mg/ kg RP2D • Exploratory biomarkers via serum, blood, 2 Pancreatic (n=16) and tissue (Pre/Post Tx biopsies) 2 560 mg/m 1 mg/kg 3 mg/ kg • Sub-study PET-CT using [18F]FAZA Prostate (n=16) (n=14) Prostate: Simon 2 stage (1st stage ≥ 2 of 16 ORR) *FDA Clearance to Proceed Received June 2022 26
Pipeline and Financing
Series A Financing • IMGS-001 – Finish Phase 1A for IMGS-001 (data in 25 patients) • IMGS-101 (EVO) – 12 patients of data for IMGS-101 (EVO) • Drives to key data inflection point in mid-2024 28
Series A Financing Leads to Value-Enhancing Milestones Series A Financing 1H 2H 1H 2H 1H 2H 2023 2023 2024 2024 2025 2025 Phase 1A data Top-line data IMGS-001 FDA Ok to in 18 patients Phase 1A/1B PD-L1/L2 Dual- Proceed Phase 1A data First 60 Pts Specific w/Effector Initiate in 25 patients Function Phase Top-line Data 1A/1B Trial Initiate Phase Phase 1A/1B 1B expansion 90 Pts Initiate Data IMGS-101 Phase 1/2 Phase 1 data Phase 1/2 in 12 patients 42 Pts Evofosfamide Trial Data in 10 IMGS-203 Manufacturing and other patients STING pre-IND work Phase 1 Trial 29
ImmunoGenesis Investment Thesis • Developing transformational agents that will represent the next major advancement in Immuno-Oncology • Lead product, IMGS-001, is a disruptive technology that can become a foundational agent in a >$50B market • Phase 2 asset with significant potential as tumor conditioning agent • Founder and management team have proven track records and the experience to drive this transformation • This financing will enable the demonstration of efficacy across tumor types with high unmet need, driving value for shareholders and creating hope for patients 30
Backup Slides
Why Target PD-L2 in Addition to PD-L1? T 1) PD-L2 is widely expressed in the stroma, tumor, and endothelium of many cancers 2) PD-L2 binds to PD-1 with 5X the affinity of PD-L1; often more predictive of response to PD-1 inhibition 3) Normal tissues express less PD-L2 than PD-L1 (i.e., less toxicity) 4) PD-L2 uniquely expressed on certain immunosuppressive cells such as a subtype of CAFs PD-L2 expression in stromal (includes immune cell infiltrate), tumor, and endothelial cells of various tumor types. Presence (≥1) or absence (
PD-L2 Is More Tumor Selective Than PD-L1 33
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