Corporate Presentation - J.P. Morgan Healthcare Conference Sandy Macrae, CEO January 13, 2021 - Investor ...
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Forward-Looking Statements This presentation contains forward-looking statements regarding our current expectations. These forward-looking statements include, without limitation, statements relating to the potential to develop, obtain regulatory approvals for and commercialize safe and effective therapies to treat certain diseases and the timing, availability and costs of such therapies, the potential to use ZFP, ZFP-TF, ZFN, ZFP-Epi, CAR-Treg and other technologies to develop safe and effective therapies, the potential for us to benefit and earn milestone and royalty payments from our collaborations and the timing of such benefits and payments, our financial resources and expectations, plans and timelines for opening manufacturing facilities, plans and timelines for us and our collaborators to enroll patients in and conduct clinical trials and share clinical data and other statements that are not historical fact. These statements are not guarantees of future performance and are subject to certain risks and uncertainties that are difficult to predict. Our actual results may differ materially and adversely from those expressed. Factors that could cause actual results to differ include, without limitation, risks and uncertainties related to the evolving COVID-19 pandemic and its impact on the global business environment, healthcare systems and business and operations of us and our collaborators, including the initiation and operation of clinical trials; the research and development process; the uncertain timing and unpredictable results of clinical trials, including whether initial clinical trial data will be representative of final clinical trial data and whether final clinical trial data will validate the safety and efficacy of product candidates; the unpredictable regulatory approval process for product candidates across multiple regulatory authorities; the manufacturing of products and product candidates; the commercialization of approved products; the potential for technological developments that obviate technologies used by us and our collaborators; the potential for us or our collaborators to breach or terminate collaboration agreements; the potential for us to fail to realize our expected benefits of our collaborations; and the uncertainty of our future capital requirements, financial performance and results. There can be no assurance that we and our collaborators will be able to develop commercially viable products. These risks and uncertainties are described more fully in our Quarterly Report on Form 10-Q for the quarter ended September 30, 2020 and Annual Report on Form 10-K. Forward-looking statements contained in this presentation speak only as of the date hereof, and we undertake no duty to update such information except as required under applicable law. This presentation concerns investigational product candidates that are under preclinical and/or clinical investigation and which have not yet been approved for marketing by any regulatory agency. They are currently limited to investigational use, and no representations are made as to their safety or efficacy for the purposes for which they are being investigated. Any discussions of safety or efficacy are only in reference to the specific results presented here and may not be indicative of an ultimate finding of safety or efficacy by regulatory agencies. 2
Leading genomic medicines into the clinic We are a genomic medicines company committed to translating ground-breaking science into medicines that transform the lives of patients with serious disease 3
Robust set of genomic medicines addressing rare disease, CNS, oncology and autoimmune indications Preclinical Phase 1/2 Phase 3 α-Synuclein Neuro- Oncology PKU developmental IBD Hemophilia A (ST-502) disorders (Undisclosed) (ST-101) Beta Thalassemia Fabry Disease (giroctocogene (ST-400) (ST-920) fitelparvovec) PARTNER PARTNER PARTNER PARTNER PARTNER Tauopathies Oncology Prion ALS/FTD MS (ST-501) (KITE-037) Oncology Sickle PARTNER PARTNER PARTNER (KITE-037) Cell Disease (BIVV003) PARTNER = Preclinical PARTNER = Clinical programs Huntington’s Solid Organ Neurology = 2021 clinical Disease Transplant candidates (Undisclosed) (TAK-686) (TX200) Solid Organ PARTNER PARTNER Transplant (TX200) = Gene therapy = Cell therapy = Genome engineering 4
Launched Biogen & Initiated Phase 3 Initiated Phase 1/2 Novartis collaborations trial in hemophilia A trial in Fabry disease 2020 delivered multiple accomplishments in the year of the pandemic Advanced in-house Built strong AAV manufacturing cash position capabilities ($695M as of Sept 30) 5
2021 expected focus Solid Organ Complete Fabry Disease Transplant Manufacturing (ST-920) (TX200) Sites Ongoing enrollment Initiate Phase 1/2 trial in Enabling speed, capacity 2H 2021 and timeline control Initial Phase 1/2 data Q4 2021 6
Building value through pharmaceutical partnerships Financial ~$815M ~$7B Potential Royalty Benefits received in cash in potential milestones Payments Central Hemoglobinopathies/ Oncology Nervous System Blood Disorders $125M upfront + $150M upfront + $225M in equity purchase & $75M upfront & $82M upfront & $20M upfront & $50M in equity purchase up to $2.37B up to $720M up to $625M up to $276M & up to $3.01B $13M upfront 7
Anticipated partnered program execution in 2021 Ongoing enrollment Initial sickle cell disease Submit IND 1H 2021 in Phase 3 AFFINE Phase 1/2 results in 2021 2-year hemophilia A Ongoing enrollment Initiate clinical trial in 2021 in PRECIZN-1 Phase 1/2 data 2H 2021 8
Phase 1/2 study evaluating ST-920 in Fabry disease Entry Primary Secondary Criteria Objective Objectives First two • Male subjects ≥ 18 years of age • Assess safety and tolerability • Assess the pharmacodynamics patients dosed with classic Fabry disease of ST-920 of α-Gal A and the presence of its substrates in plasma over time • On enzyme replacement therapy (ERT) regimen; or ERT-naïve; or • Assess impact of ST-920 on ERT ERT-pseudo-naïve and has not administration required for Initial data by received ERT treatment in the subjects on ERT the end of 2021 prior six months • Assess impact of ST-920 on renal function • Evaluate AAV2/6 vector DNA shedding over time The goal is to abrogate the need for ERT with a recombinant AAV2/6 vector encoding cDNA for human α-Gal A, resulting in long-term expression of α-Gal A 10
ST-920 offers a potentially differentiated treatment for Fabry disease The lack of functioning enzyme results in an excessive accumulation of substrate in the kidney, heart, skin and vessels leading to reduced life expectancy ST-920 Fabry Disease One-time IV infusion No preconditioning regimen May provide continuous, potentially life-long expression of endogenously expressed α-Gal A Potential to deliver: Preserved renal function Reduced cardiac morbidity Our preclinical studies showed strong expression of α-Gal A, which results in a reduction of Gb3 substrate across tissue types Decreased neuropathy 11
Pioneering the CAR-TREG Frontier
CAR-TREG: Pioneering a new frontier with TX200 for solid organ transplantation Autologous HLA-A2 specific CAR-TREG cell therapy Initial target indication: Prevention of immune mediated rejection in living donor renal transplantation • The STEADFAST study will evaluate the safety and mechanism of action of TX200 in renal transplant recipients • 80,000 renal transplantations per year (US and EU) • 20-25% of transplanted organs are HLA-A2 mismatched Therapeutic hypothesis and goals • Regulate the immune system in a targeted manner • Promote immunological tolerance to the renal transplant • Help preserve graft function and reduce graft loss The STEADFAST study is expected to be initiated in 2H 2021 Time from pre-transplant through TX200 administration may be several months 13
TX200 establishes foundation for allogenic CAR-TREG and major autoimmune indications Allogeneic CAR-TREGS may overcome limitations of autologous CAR-TREGS Autologous CAR-TREG Allogeneic CAR-TREG Potential for allogeneic clinical research (TX200) preclinical research autoimmune indications Solid Organ (Kidney) Solid Organ (Kidney) Autoimmune Hepatitis Transplant Transplant Crohn’s Disease Multiple Sclerosis Neuromyelitis Optica Inflammatory Bowel Disease Rheumatoid Arthritis Systemic Sclerosis Type 1 Diabetes Mellitus Ulcerative Colitis Vitiligo 14
2021 Clinical Partnered Programs Pfizer – Hemophilia A – Phase 3 Sanofi – Hemoglobinopathies – Phase 1/2 Kite – Oncology
Giroctocogene fitelparvovec (SB-525 / PF-07055480) program transitioned to Pfizer for Phase 3 development Phase 3 AFFINE Study Pfizer expects pivotal data readout in 2022 Dosed first subject in Oct 2020 Open-label, global, multicenter, single-arm study evaluating the efficacy and safety of SB-525 in patients with moderately severe to severe hemophilia A Primary endpoint is impact on annual bleed rate, or ABR, through 12 months following treatment versus Factor VIII replacement therapy collected in the Phase 3 lead-in study, which will provide a baseline for Phase 3 study participants Participants will be analyzed throughout the 5-year study period following the single infusion to further assess durability and efficacy 16
Phase 1/2 Alta study of giroctocogene fitelparvovec (SB-525 / PF-07055480) gene therapy for hemophilia A – Efficacy, Cohort 4 (3e13 vg/kg) Durable FVIII expression through Updated Alta Study Results Presented by Pfizer at one year ASH 2020 on Dec. 7, 2020: Steady state FVIII activity achieved by Week 9 FVIII activity from Week 9 to 52: • Median = 56.9% • Mean = 70.4% FVIII activity from Week 9 to longest available follow up (Week 82 for patient 7): • Median = 50.2% • Mean = 63% No bleeds in the first year; one treated target joint bleed was reported during the 2nd year following vector infusion 17
Phase 1/2 Alta study of giroctocogene fitelparvovec (SB-525 / PF-07055480) gene therapy for hemophilia A – Safety Updated Alta Study Results Presented by Pfizer at ASH 2020 on December 7, 2020: Giroctocogene fitelparvovec was generally well tolerated Previously reported treatment-related SAEs occurred in 1 participant in cohort 4 (grade 3 hypotension and grade 2 fever ≈6 hours after completion of the vector infusion); resolved ≈12 hours post infusion 4 of 5 cohort 4 participants required corticosteroid treatment for ALT/AST elevation; all resolved with intervention No initiation of corticosteroid use was required to date after Week 52 and all participants are currently off corticosteroids 18
Hemoglobinopathies collaboration with Sanofi: BIVV003 for sickle cell disease and ST-400 for beta thalassemia Phase 1/2 PRECIZN-1 Study Sanofi continuing to screen/enroll subjects into the Phase 1/2 PRECIZN-1 clinical trial evaluating BIVV003 for sickle cell disease • Sanofi expects the first clinical trial data readout in 2021 Phase 1/2 Thales Study Five subjects dosed in Sangamo’s Thales study evaluating ST-400 for transfusion dependent beta thalassemia • No additional beta thalassemia subjects to be enrolled until data from PRECIZN-1 and Thales have been collected and analyzed • Follow-up data expected in 2021 from the Thales study 19
KITE-037, the first product candidate of the collaboration with Kite, a Gilead Company First product candidate: KITE-037, an allogeneic anti-CD19 CAR-T Kite anticipates an IND submission for KITE-037 in the first half of 2021, and they expect to initiate a clinical trial in 2021 20
Innovation in Neurological Disease
Sangamo ZFP technology: Potential to access hundreds of genomic targets in CNS ZFP-TF genome regulation Example targets • Tauopathies ZFP-TFs for single gene repression Pan-Allele • α-Synuclein and activation • Autism Spectrum Disorder • Huntington’s Disease Allele-Selective ZFPs target disease allele repeats selectively • C9ORF72-linked ALS • Rett Syndrome Epigenetic Editing ZFP-Epi to demethylate select sites • Fragile X ZFN genome editing Example targets CAR-TREGS for remyelination and inhibition of • Multiple Sclerosis Inflammation neuroinflammation • ALS ZFNs for selective clearance of mutant • Cerebellar Ataxia Mitochondrial mitochondrial genomes • Leigh Syndrome 22
Potent, long-lasting, specific repression of tau by ZFP-TFs ST-501 – Alzheimer’s disease and other tauopathies Abnormal tau is toxic to brain cells and leads to neurodegeneration in Alzheimer’s disease Tau reduction is a therapeutic strategy for targeting these diseases On-target repression Global specificity 23
Tuning gene expression with ZFP-TFs to target disease pathology ST-501 – Alzheimer’s disease and other tauopathies ZFP-TFs reduce expression of tau in a highly specific, tunable manner ZFP-TFs therefore represent a novel therapeutic strategy for treating tauopathies ZFP-h1 ZFP-h2 % Normalized expression MAPT hTau 24
ZFP-TFs target upstream at the source of mutant protein isoforms and complexes DNA RNA Protein 1 mutant allele Sense, antisense, mis-spliced Varied and complex ALZHEIMER’S PARKINSON’S HUNTINGTON’S ALS PRION DISEASE DISEASE DISEASE DISEASE Tau α-Synuclein Huntingtin C9orf72 Prion Hill et al., 2003 Jucker & Walker 2013 25 Irwin et al., 2015 Waldvogel et al., 2014
Robust pipeline of genomic medicines in neurological diseases Preclinical Phase 1/2 Phase 3 α-Synuclein Neuro- Oncology PKU Beta Hemophilia A developmental IBD Fabry Disease (ST-502) disorders (Undisclosed) (ST-101) Thalassemia (giroctocogene (ST-920) (ST-400) fitelparvovec) PARTNER PARTNER PARTNER PARTNER PARTNER Tauopathies Oncology Prion Sickle ALS/FTD MS (ST-501) (KITE-037) Cell Disease PARTNER PARTNER PARTNER (BIVV003) PARTNER = Preclinical Huntington’s Solid Organ Neurology Disease Transplant = Clinical programs (Undisclosed) (TAK-686) (TX200) = 2021 clinical PARTNER PARTNER candidates = Gene therapy = Cell therapy = Genome engineering 26
Key Points in Sangamo’s 2021 Story
Executing on clinical stage pipeline 2021 Clinical Phase 3 2021 Phase 1/2 2021 Clinical Programs Candidates Clinical Programs Hemophilia A Oncology Beta Thalassemia Fabry Disease (giroctocogene (KITE-037) (ST-400) (ST-920) fitelparvovec) PARTNER PARTNER PARTNER = Preclinical = Clinical programs Solid Organ Sickle = 2021 clinical Transplant Cell Disease candidates (TX200) (BIVV003) = Gene therapy = Cell therapy PARTNER = Genome engineering 28
Investing in manufacturing to provide greater capacity and flexibility Investing in manufacturing to provide greater capacity, flexibility and control Manufacturing Strategy Operational Capabilities Building balanced and necessary capacity In-house Phase 1/2 cGMP facilities – increased control and flexibility of our processes, quality, supply and timeline Investing in manufacturing • Brisbane, USA process and analytics – Gene therapy (operational as of end of 2020) Developing a strong – Cell therapy (projected 2021) supply chain • Valbonne, France – Cell therapy (projected 2021) CDMO Thermo Fisher – dedicated access to AAV capacity up to 2000-L bioreactor scale 29
Broad portfolio with prioritized candidates in both rare and large indications Technology validating biopharma partners Key Strong balance sheet, cash of $695M (as of Sept 30, 2020) takeaways In-house cGMP facility provides manufacturing capacity, flexibility and control of our processes Genomic medicine company executing on a clinical stage pipeline 30
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