COWEN & COMPANY'S 37TH ANNUAL HEALTHCARE CONFERENCE STEPHEN DOBERSTEIN, PHD SENIOR VICE PRESIDENT & CHIEF SCIENTIFIC OFFICER - MARCH 7, 2017 ...
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Cowen & Company’s 37th Annual Healthcare Conference Stephen Doberstein, PhD Senior Vice President & Chief Scientific Officer March 7, 2017
This presentation includes forward-looking statements regarding Nektar’s proprietary drug candidates, the timing of the start and conclusion of ongoing or planned clinical trials, the timing and outcome of regulatory decisions, future availability of clinical trial data, and royalty and milestone revenue potential. Actual results could differ materially and these statements are subject to important risks detailed in Nektar's filings with the SEC including the Form 10-K filed on March 1, 2017. Nektar undertakes no obligation to update forward-looking statements as a result of new information or otherwise.
Building a Biopharmaceutical Growth Company Wholly-Owned Research & Revenue Drivers Integrated R&D, Scale-Up Development Pipeline Partnered Portfolio and Manufacturing Capabilities Immuno-Oncology NKTR-214 CD122-biased agonist Multiple Tumor Types Combination Trials $375-450M NKTR-255 Annual Revenue IL-15 By 2021 R&D Center San Francisco, CA NKTR-262 Revenue Potential TLR Agonist Pain NKTR-181 Abuse-deterrent Opioid NCE Manufacturing & Scale-Up Facility Huntsville, AL Immunology NKTR-358 Autoimmune Disease Cancer Chemotherapy ONZEALD R&D Support Facility Metastatic Breast Cancer Hyderabad, India & Brain Metastases 2021 3
Revenue from Partnered Programs Supports Growth of Nektar $375 - 450M Annual Revenue By 2021 PEGPH20 (Halozyme) Amikacin Inhale (Bayer) Cipro DPI (Bayer) Milestone Potential Royalty And Onzeald (EU only) (Daiichi Sankyo) (Shire) (AstraZeneca) 2017 2019 2021 Does not include US revenue for Onzeald. Company estimates, undiscounted. Adynovate is a registered trademark of Shire plc. Movantik is a registered trademark of the AstraZeneca group of companies. 4
NKTR-181: A Novel Opioid Poised to Transform the Chronic Pain Market $20 Billion+ Global Chronic Pain NKTR-181 brings unique properties Therapy Market to the treatment of chronic pain: Slow rate of entry into CNS designed to Antidepressants Antiepileptics $1.5B $3.6B reduce euphoria and resulting abuse liability Opioids Designed to cause less sedation and $12.6B NSAIDs/COX-2s reduce risk of respiratory depression $5.9B Targeting C-III or better scheduling Properties are inherent to molecule Chronic pain market includes: Received Fast Track Status from FDA Chronic back pain Osteoarthritis Fibromyalgia Neuropathic pain Source: 2013 IMS and Decision Resources 5
NKTR-181 Development Strategy Q1 2017 Q2 2017 Q3 2017 Initiate Partnering Discuss early NDA filing based Efficacy Study Ongoing in Opioid-naïve Patients with Discussions upon efficacy and HAL trial results Chronic Low Back Pain Q2 2017 Topline Data 2H 2017 March 2017 Long-term (52-wk) safety study Initiate additional trial(s) with enrollment complete; 6 & 12-month Partner to support expansion of exposure requirements met label and/or approval Topline Data Mid-2017 Pivotal Human Abuse Liability Study Initiated 6
The Immunity Cycle and Multiple Points of Intervention for I-O Therapies 4. Trafficking of T cells to tumor 3. Priming and 5. Infiltration activation of T cells into tumors 2. Cancer antigen 6. Recognition presentation of cancer cells by T cells 7. Killing of 1. Release of cancer cells cancer cell antigens Source: Oncology Meets Immunology: The Cancer-Immunity Cycle Chen and Mellman Immunity, Volume 39, Issue 1, 1 - 10 7
Nektar’s Immuno-Oncology Strategy to Create Therapies that Cover the Immunity Cycle 4. Trafficking of T cells to tumor (CTLs) 3. Priming and 5. Infiltration of T activation cells into tumors Target as (APCs & T cells) (CTLs, endothelial cells) many steps as Therapies possible in the need to be cycle with as accessible as few therapies medicines as possible 2. Cancer antigen presentation 6. Recognition (dendritic of cancer cells cells/APCs) by t cells (CTLs, cancer cells) 1. Release of cancer 7. Killing of cancer cells cell antigens (cancer (immune and cancer cell death) cells) 8
Nektar’s Immuno-Oncology Strategy to Create Therapies that Cover the Immunity Cycle 4. Trafficking of T cells to tumor (CTLs) NKTR-214 (CD122 Agonist) 3. Priming and Prime, Proliferate, Activate & activation Increase Tumor-Infiltrating 5.cells Infiltration of T into tumors Target as (APCs & T cells) Lymphocytes (TILs), Increase PD-1 cells) (CTLs, endothelial many steps as expression Therapies possible in the need to be cycle with as accessible as few therapies medicines as possible 2. Cancer antigen presentation NKTR-262 (dendritic NKTR-255 6.of(IL-15) Recognition cancer cells cells/APCs) by t cells (TLR Agonist) (CTLs, cancer cells) Stimulate NK Cells, Sustain Immune Activate Dendritic Response & Generate Cell Response 1. Release of cancer 7. Killing of cancer cells cell antigens (cancer (immune T Cell Memory and cancer cell death) cells) 9
IL-2 is Master Growth Factor for T Cells and Natural Killer (NK) Cells Native IL-2 has pleiotropic effects on the IL-2 immune response rhIL-2 protein therapy (aldesleukin) requires high and frequent dosing b CTLs Tregs ab in ICU which results in CD8+ T-Cells CD4+ Regulatory T-Cells severe side effects and NK Cells Stimulates Immune Down-Regulates Response to Kill Proliferation of CD8+ T-cells Tumor Cells and Suppresses Immune Response 10
NKTR-214: Biasing Action to CD 122, or IL-2R Beta, to Stimulate T-Cell Production Biases signaling to favor the CD122 Receptor (IL- NKTR-214 2Rβγ complex) Eliminates over-activation of IL-2 pathway that results in serious safety b CTLs Tregs ab issues CD8+ T-Cells CD4+ Regulatory T-Cells and NK Cells Achieves antibody-like dosing schedule in Stimulates Immune Down-Regulates outpatient setting Response to Kill Proliferation of CD8+ T-cells Tumor Cells and Suppresses Immune Response 11
NKTR-214 Selectively Grows T Cells, NK Cells in Tumor Microenvironment in Cancer Patients Analysis of T cell Populations in Tumor NKTR-214 drives immune activation in the tumor • Increase in total T cells, NK 440 and CD8 T cells 0 29.8 • No increase in Tregs 330 0 • Increase in PD-1 positive CD8 T cells 220 0 • Increase in newly proliferating CD8 T cells 110 0 • Activation and expression of 1.6 anti-tumor genes 00 CD8 C D 8 Tregs T re g s • Change in T cell clonality in the tumor Fold change expressed as Week 3 / predose Shown are results from N=10 patients 12
BMS and Nektar Clinical Collaboration for NKTR-214 and Opdivo® • BMS is global leader in immuno-oncology • BMS and Nektar collaborating exclusively on anti-PD1 and IL- 2-based mechanisms • Companies to conduct Phase 1/2 development of NKTR-214 and Opdivo in eight or more cancer indications • BMS and Nektar to split clinical costs 50/50 • Nektar retains all rights to NKTR-214 • Prior to Sept. 2018, if Nektar chooses to partner NKTR-214, BMS has right of first negotiation • Nektar retains ability to conduct its own trials of NKTR-214 with any anti-PD1/PDL1 agents and can collaborate to run trials with any other company outside of anti-PD1/PDL1 mechanisms Opdivo is a registered trademark of Bristol-Myers Squibb 13
PIVOT Program: NKTR-214 plus Opdivo® with Eight Expansion Cohorts Planned PIVOT-02 PIVOT-04 Phase 1 Dose Escalation Phase 2 Expansion Cohorts (on label indications) Q2 2017 N= 30-40 Melanoma 1st line, N=28 Melanoma 1st line Melanoma 2nd line I-O relapsed, N=26 Renal Cell Carcinoma Renal Cell Carcinoma 2nd line I-O naïve, N=26 2nd line I-O naïve Renal Cell Carcinoma 2nd line I-O relapsed, N=26 NSCLC NSCLC 2nd line I-O naïve, N=36 2nd line I-O naïve NSCLC New Indication 2nd line I-O relapsed, N=26 Initial Dose Combination Arm: Urothelial Carcinoma (Bladder) Group 1: 0.006 q3w NKTR-214 + 240 mg q2w nivo q2w and q3w Parallel Dose Combination Arms: 1st line, cisplatin ineligible, N=44 Group 2: 0.003 q2w NKTR-214 + 240 mg q2w nivo Group 3: 0.006 q2w NKTR-214 + 240 mg q2w nivo Triple Negative BC Group 4: 0.003 q3w NKTR-214 + 360 mg q3w nivo 2nd line I-O naïve, N= 36 Group 5: 0.006 q3w NKTR-214 + 360 mg q3w nivo Group 6: 0.009 q3w NKTR-214 + 360 mg q3w nivo (optional) Opdivo is a registered trademark of Bristol-Myers Squibb 14
NKTR-214 Provides A Central Mechanism to Combine with Multiple Modalities in Immuno-Oncology Checkpoint Inhibitors Vaccines Cell Therapies (TIL therapy, ECT) NKTR-214: T Cell Growth Factor Small Molecules (TLR Agonist, other targets) 15
PROPEL Program: NKTR-214 plus TECENTRIQ® (atezolizumab) PROPEL Phase 1 Dose Escalation NKTR-214 in combination (on label indications) N= 20-30 with Roche’s anti-PD-L1 agent, atezolizumab NSCLC 2nd line – metastatic disease with progression following Nektar sponsored program platinum regimen or EGFR or targeted therapy supporting checkpoint inhibitor combination Urothelial Carcinoma strategy 2nd line locally advanced or metastatic disease with Study is expected to initiate progression following platinum regimen mid-2017 16
NKTR-214: Additional Development Programs in 2017 Initiate triplet combination trial of NKTR-214 with anti-PD-1 and anti-CTLA-4 agents Checkpoint Inhibitors Initiate IST in Sarcoma with NKTR-214 and Opdivo® at Memorial Sloan Kettering and MD Anderson Initiate Phase 1 trial of NKTR-214 and TECENTRIQ Cell Therapies Initiate Phase 1/2 trial of NKTR-214 in combination with (TIL therapy, ECT) Endogenous T Cell regimen in non-small cell lung cancer patients expressing the MAGE-A3 antigen (with MD Anderson) Vaccines Preclinical studies underway with NKTR-214 and therapeutic tumor vaccines with potential for clinical advancement in 2017 17 Opdivo is a registered trademark of Bristol-Myers Squibb
Nektar’s Immuno-Oncology Strategy to Create Therapies That Cover the Immunity Cycle 4. Trafficking of T cells NKTR-214 (CD122 Agonist) to tumor (CTLs) Prime, Proliferate, Activate & 3. Priming and activation Increase Tumor-Infiltrating 5.cells Infiltration of T into tumors Target as Lymphocytes (TILs), Increase PD-1 (APCs & T cells) (CTLs, endothelial cells) many steps as expression Therapies possible in the need to be cycle with as accessible as few therapies medicines as possible 2. Cancer antigen presentation NKTR-262 (dendritic NKTR-2556.of(IL-15) Recognition cancer cells cells/APCs) by t cells (TLR Agonist) (CTLs, cancer cells) Stimulate NK Cells, Sustain Immune Activate Dendritic Response & Generate Cell Response 1. Release of cancer 7. Killing of cancer cells cell antigens (cancer (immune T Cell Memory and cancer cell death) cells) 18
NKTR-255: Stimulates Memory T Cell and NK Cell Activation IL-15 delivers T-cell survival signal, promotes CD8 memory cell formation and activates NKTR-255 is first Natural Killer (NK) cells with potential medicine to minimal CD4 activity access the IL-15 • Short half-life of native IL-15 pathway by requires high and frequent dosing with prohibitive side effects preserving receptor binding to IL-15Ra NKTR-255 designed to with antibody-like overcome native IL-15 shortcomings dosing 19
NKTR-255 Induces Sustained Signaling and Cell Proliferation In Vivo IL-15 NKTR-255 Single dose of NKTR-255 sustains NK and CD8 cell activation and proliferation for more than 3 days Effect of NKTR-255 also observed on both effector memory and central memory CD8 cells Mice received a single i.v. dose of 0.3 mg/kg NKTR-255 (right) or IL-15 (left), then STAT5 phosphorylation in lymphocyte subpopulations from whole blood was assessed by flow cytometry. Source: Poster #342 presented at SITC 2016, National Harbor, Maryland 20
Nektar’s Immuno-Oncology Strategy to Create Therapies that Cover the Immunity Cycle 4. Trafficking of T cells NKTR-214 (CD122 Agonist) to tumor (CTLs) Prime, Proliferate, Activate & 3. Priming and activation Increase Tumor-Infiltrating 5.cells Infiltration of T into tumors Target as Lymphocytes (TILs), Increase PD-1 (APCs & T cells) (CTLs, endothelial cells) many steps as expression Therapies possible in the need to be cycle with as accessible as few therapies medicines as possible 2. Cancer antigen presentation NKTR-262 (dendritic NKTR-2556.of(IL-15) Recognition cancer cells cells/APCs) by t cells (TLR Agonist) (CTLs, cancer cells) Stimulate NK Cells, Sustain Immune Activate Dendritic Response & Generate Cell Response 1. Release of cancer 7. Killing of cancer cells cell antigens (cancer (immune T Cell Memory and cancer cell death) cells) 21
NKTR-262: Adding a Unique Intratumoral TLR Agonist to Nektar’s Immuno-Oncology Portfolio M1 Dendritic TLR agonists activate innate Macrophage Cell immunity, myeloid cell response and increase tumor antigen presentation NKTR-262 • Creates tumor-suppressing micro- activates environment by mimicking local innate Present antigens infection immunity to prime T Cell Nektar technology optimizes CD8+ specific abscopal effect in tumors T Cell without systemic exposure of TLR agonist NKTR-214 NKTR-262 designed to be highly proliferates & synergistic with NKTR-214 expands T Cells NKTR-262 with NKTR-214 represent a novel, wholly-owned combination regimen in immuno-oncology 22
Complete Regression and Abscopal Effect with Combination of NKTR-262 and NKTR-214 Primary (injected) CT-26 Colon Tumor Dosing Primary (injected) Tumor 1000 SEM ) NKTR-262 Vehicle NKTR-214 3 T u m o r V o lu m e (m m 500 Secondary (non-injected) Tumor D0 D9 D 18 NKTR-214 NKTR-262 NKTR-262 + NKTR-214 Survival CT-26 Colon Tumor 0 0 10 20 30 40 50 NKTR-262 + NKTR-214 D a y s a f te r fir s t d o s e Secondary (non-injected) CT-26 Colon Tumor 1000 NKTR-214 Vehicle SEM ) 3 NKTR-214 T u m o r V o lu m e (m m 500 NKTR-262 NKTR-262 Vehicle NKTR-262 + NKTR-214 0 0 10 20 30 40 50 D a y s a f te r fir s t d o s e NKTR-262 0.8 mg in 40 μL volume given in a single IT dose, NKTR-214 0.8 mg/kg q9dx3 IV; N=10 per group 23
Overcomes Immune Promotes Immune Suppression Activation % T re g s % C D 8 T C e lls 0 1 2 3 4 0 10 20 30 40 50 V V e e h h ic ic le le N N K K T T R R -2 -2 1 1 4 4 T T L L R R % T re g s C C o % C D 8 T C e lls m o b m o b o % C D11c+ C D8+ D C s 0 10 20 30 40 50 60 70 % M a c ro p h a g e s V e 0 20 40 60 80 h ic V le e h ic le N K T N R K -2 T 1 R 4 -2 1 4 Effects on Distal Tumor T L R T L R C o m C b o o m % M a c ro p h a g e s b o Combination of % C D 1 1 c + C D 8 + D e n d r it ic C e lls TLR Agonist + NKTR-214 % M o n o c y te s % N e u t r o p h ils 0 2 4 6 8 10 0 10 20 30 40 50 V V e e h h ic ic le le N N K K T T R R -2 -2 1 1 4 4 T T L L R R C C % M o n o c y te s % N e u t r o p h ils o o m m b b o o TLR Agonist + NKTR-214: Synergistic Immune 24
Auto-Immune Disease is Characterized by Imbalance of T-Reg Cells to T-Effector Cells • Current auto-immune disease therapies work Pathological overpopulation of by suppressing overall Beneficial effector T cell antigen-specific immune system function (self-reactive) population effector T cells – Treat symptoms of the over-active immune system – Do not address Insufficient T-reg cell underlying pathology population to – Block both pathological control the and beneficial effector T pathological effector T cells cells resulting in infection, bleeding, cancer risks, etc. 25
NKTR-358: Growing the Body’s Own Population of T-Reg Cells to Treat Auto-Immune Disease What if you could grow the body’s own population of T- reg cells and directly treat the underlying disease pathology? Restore balance and normalize T-reg cell and T- effector cell function 26
NKTR-358 is Selective for Enhancing of T-Reg Proliferation and Activation in Non-Human Primates Fold Change in Treg and Teff T-Reg Activation Markers Treg Teff Dosing Dosing • Single dose NKTR-358 produced greater Treg expansion than repeat low-dose IL-2 • In mice, NKTR-358 treatment promotes >30-fold increase in Treg suppressive activity NKTR-358 could be a superior approach to treating multiple auto-immune diseases including lupus, transplant, rheumatoid arthritis, Crohn’s disease and psoriasis 1M + 1F cynomolgus monkey per treatment, both agents given at 0.025 mg/kg – single dose SC for NKTR-358 vs QDx5 SC for IL-2. 27
NKTR-358 Suppresses Antigen-Driven Inflammation in Preclinical Model of Cutaneous Hypersensitivity Sensitization (KLH flank) Elicitation in ear (with KLH) Measure ear swelling Day 0 Day 5 Cutaneous Hypersensitivity Response 16 (m m , m e a n S E M ) 14 12 V e h ic le 10 N K T R - 3 5 8 , 0 .0 0 3 m g / k g 8 N K T R - 3 5 8 , 0 .0 1 m g / k g e a r th ic k n e s s 6 N K T R - 3 5 8 , 0 .0 3 m g / k g N K T R - 3 5 8 , 0 .1 m g / k g 4 C y c lo s p o r in A , 1 0 m g / k g 2 N K T R - 3 5 8 , 0 .3 m g / k g 0 0 24 48 72 96 T im e a f t e r K L H c h a lle n g e (h ) Dosing begun on Day 0: NKTR-358, SC q3d, Cyclosporin A, PO qd N=10 28
NKTR-358 Suppresses Disease Progression in a Mouse Model of Systemic Lupus Erythematosus 3 Protein Levels in Urine SLE + Vehicle P r o t e in L e v e l ( g /L ) 2 1 SLE + NKTR-358 Normal Mouse Control 0 7 7 7 7 7 7 6 6 6 6 7 7 6 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 n n n n c c c v b b c b b a a a a e e e o e e e e e -J -J -J -J -D -D -D -F -F -D -F -F -N 1 8 5 4 5 2 1 8 4 1 8 7 0 1 1 2 1 2 1 2 2 3 MRL/MpJ-Faslpr model (N=15/group), NKTR-358 given SC twice weekly at 0.3 mg/kg from Week 8 – 20, beginning on 30Nov2016. Mouse protein levels in urine measured by standard methods. In-life completed on 23Feb2017, additional measures ongoing. 29
NKTR-358: Phase 1 Clinical Development in Systemic Lupus Erythematosis Q1-Q3 2017 Q3 2017 Phase 1 Initiate Phase 1b Single Ascending Dose Trial in Multiple Ascending Dose Trial in Healthy Subjects Lupus (SLE) Patients Single SQ Dose of NKTR-358 Multiple SQ Doses of NKTR-358 (n ~50) (n ~50) • 3:1 randomization vs. placebo • Evaluate changes in T-reg • Evaluate changes in T-reg cells cells (number) and activation and activation markers • Establish P2 doses markers (function) Data expected in Q3/Q4 2018 • Evaluate PK/PD to determine dosing for multiple dose trial Additional Phase 1/2 trials in other immune disorders are Data expected in Q3 2017 being explored • Allergy • Rheumatoid arthritis • GVHD • Type-1 diabetes • Crohn’s disease • Multiple sclerosis • Ulcerative colitis • Psoriasis 30
2017 Anticipated Milestones First Half of 2017: • Topline data from second Cipro DPI Phase 3 efficacy trial in bronchiectasis (Partner Bayer) • Topline data from NKTR-181 Phase 3 efficacy trial in chronic pain (March) • Initiate first Phase 1 clinical trial in healthy volunteers for NKTR-358 (March) • CHMP opinion regarding conditional market authorization for ONZEALD in Europe (Partner Daiichi Sankyo)(Q2) • Topline data from Amikacin Inhale Phase 3 Program in gram-negative pneumonia (Partner Bayer)(June-July) • Potential European approval and launch for ADYNOVATE™ in hemophilia A (Partner Shire) • Data from PIVOT dose-escalation trial (NKTR-214 with Opdivo) in patients with melanoma, non-small cell lung cancer, and renal cell carcinoma (June) Second Half of 2017: • Dose first patients in Phase 1 PROPEL dose-escalation trial of NKTR-214 in combination with Tecentriq in patients with NSCLC and bladder cancer • Continuing data from PIVOT clinical trial of NKTR-214 with Opdivo in patients with melanoma, non-small cell lung cancer, renal cell carcinoma, triple-negative breast cancer, bladder (Ongoing) • Data from Phase 1a clinical trial of NKTR-358 • Initiate Phase 1b clinical trial of NKTR-358 in lupus • File IND for immuno-oncology candidate NKTR-262 31
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