Milestone Pharmaceuticals Inc. · NASDAQ:MIST

Milestone Pharmaceuticals — Investor Presentation (March 2023)

69 slides from Milestone Pharmaceuticals's investor presentation, Mar 31, 2023

  1. Slide 1: Company Overview March 30, 2023

    Company Overview March 30, 2023

  2. Slide 2: Forward Looking Statement

    Forward Looking Statement 2 Milestone Corporate Overview The Presentation contains forward - looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, as amended. Words such as ‘‘aim,’’ ‘‘anticipate,’’ ‘‘assume,’’ ‘‘believe,’’ ‘‘cont

  3. Slide 3: Recent Progress on PSVT & AFib-RVR Programs for Etripamil

    Recent Progress on PSVT & AFib - RVR Programs for Etripamil 3 Milestone Corporate Overview Positive FDA feedback – PSVT NDA filing package proposal considered acceptable On target for NDA filing for PSVT - Q3, 2023 1 2 3 Completed last two Phase 3 PSVT trials – RAPID - Extension & NODE - 303 Initial

  4. Slide 4: PSVT and AFib-RVR Cause Markedly Symptomatic Attacks That Disrupt Patients' Lives

    PSVT and AFib - RVR Cause Markedly Symptomatic Attacks That Disrupt Patients’ Lives 4 Milestone Corporate Overview Symptoms include… Many patients feel anxious and powerless • Heart palpitations • Chest pressure or pain • Shortness of breath • Fatigue • Light - headedness • Anxiety Paroxysmal Suprav

  5. Slide 5: Current Treatment of Acute Attacks in the Emergency Department are Burdensome and Costly

    Current Treatment of Acute Attacks in the Emergency Department are Burdensome and Costly 5 Milestone Corporate Overview Need for simple, fast - acting treatment, reduce trips to ED and calls to physicians • Time - consuming, disruptive • Often results in a hospital admission • Expensive use of healt

  6. Slide 6: Etripamil Nasal Spray is a Novel L-type Investigational Calcium Channel Blocker

    Etripamil Nasal Spray is a Novel L - type Investigational Calcium Channel Blocker Designed to Treat Quickly 6 Milestone Corporate Overview Empowering patients to treat symptomatic attacks Fast onset of action ( T max ≤ 7 min) Patient self - administered Small enough to fit in your pocket

  7. Slide 7: Milestone Pharma - Targeting Vast Unmet Need for Patient Management of Common Heart Conditions

    Milestone Pharma - Targeting Vast Unmet Need for Patient Management of Common Heart Conditions PSVT = Paroxysmal Supraventricular Tachycardia; AFib - RVR = Atrial Fibrillation with Rapid Ventricular Rate; 7 Milestone Corporate Overview Targeting Common Arrhythmias Empowering Patients to Treat Themse

  8. Slide 8: Standard of Care is Inadequate

    Standard of Care is Inadequate – Most Patients Experience Events Despite Preventative Options 8 Milestone Corporate Overview Sources: Internal estimates based on market research and longitudinal analysis of Truven/ Marketscan and Medicare claims data; Page RL et al, 2015 ACC/AHA/HRS guideline for th

  9. Slide 9: PSVT & AFib-RVR are Sizable and Underserved Markets in the US

    PSVT & Atrial Fibrillation with Rapid Ventricular Rate are Sizable and Underserved Markets in the US Source(s): 1. Colilla et al., Am. J. Cardiol . 2013, 112(8), 1142 - 1147; Miyasaka et al., Circulation, 2006, 114, 119 - 125. American Heart Association 2 . HCUP ED & Admissions Data (2016), accessed

  10. Slide 10: Intravenous Calcium Channel Blockers Are Proven Effective for PSVT and AFib-RVR

    Intravenous Calcium Channel Blockers (CCB) • Slows conduction signal from the atria to the ventricles over the AV Node • PSVT: breaks the circuit, returning heart to normal rhythm • AFib - RVR: slows heart rate and reduces symptoms while remaining in Atrial Fibrillation Intravenous Calcium Channel B

  11. Slide 11: Etripamil Clinical Pipeline Advancement

    Etripamil Clinical Pipeline Advancement 11 Milestone Corporate Overview PSVT AFib - RVR Phase I Phase II Phase III NDA Filing / Approval Pharmacology of L - type calcium channel blockers drives broad clinical utility Rapid conversion to sinus rhythm Acute control of rapid ventricular rate

  12. Slide 12: Comprehensive Data Supports FDA New Drug Application for PSVT

    Comprehensive Data Supports FDA New Drug Application for Rapid Conversion of PSVT Episodes to Sinus Rhythm in Adults NODE - 1 NODE - 301 NODE - 302 (Ext. of NODE - 301) RAPID NODE - 303 Phase 2 Phase 3 Phase 3 Phase 3 Phase 3 Efficacy (dose finding) Efficacy Safety & Efficacy (Repeat Episodes) Effic

  13. Slide 13: Positive Phase 3 RAPID Trial in Patients with PSVT

    Positive Phase 3 RAPID Trial in Patients with PSVT HR = Hazard Ratio; CI = Confidence Interval Source: Milestone Pharmaceuticals Data on File 13 Milestone Corporate Overview Randomized, double - blind, placebo - controlled trial enrolled 706 patients to self - administer Etripamil 70 mg regimen or p

  14. Slide 14: Data Indicates Fast Conversion to Normal Sinus Rhythm

    Data Indicates Fast Conversion to Normal Sinus Rhythm (NSR) RAPID Study "+" symbol on graph indicates censoring for signal loss (n=4 over 90 minutes) Source: Milestone Pharmaceuticals Data on File 14 Milestone Corporate Overview 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0 5 10 15 20 25 30 35 40 45

  15. Slide 15: Fewer Medical Interventions and Emergency Department Visits

    27% 25% 25% 14% 15% 15% 0% 5% 10% 15% 20% 25% 30% 35% 40% NODE-301 Study RAPID Study Pooled Analysis n=49 n=107 n=85 n=99 n=134 n=206 Patients Seeking Medical Intervention P=0.0587 P=0.103 P=0.013 n=13 n=15 n=21 n=15 n=34 n=30 Patients with Emergency Department Visits 25% 21% 22% 13% 14% 14% 0% 5% 1

  16. Slide 16: Etripamil Well-Tolerated with a Favorable Safety Profile

    Etripamil Well - Tolerated with a Favorable Safety Profile RAPID Study – Safety Events 16 Milestone Corporate Overview 1 R andomized - period treatment - emergent adverse events, those >5% or those specifically tracked as potentially representing lowered blood pres sure. 2 Safety Population. 3 Six o

  17. Slide 17: Etripamil Has Substantial Potential Value for Stakeholder Groups If Approved

    Etripamil Has Substantial Potential Value for Stakeholder Groups If Approved 17 Milestone Corporate Overview Sources: Internal market research, PSVT = Paroxysmal Supraventricular Tachycardia, ED = Emergency Department • Designed for patient self - management • Frees up physician time and office reso

  18. Slide 18: Cardiologists Expect to Prescribe Etripamil to the Majority of Unablated PSVT Patients

    Cardiologist Expect to Prescribe Etripamil to the Majority of Unablated PSVT Patients Source: Quantitative market research conducted by Triangle Insights Group (n=250 cardiologists), June - September 2020; Estimated number of unique patients with annual claims for PSVT from Truven MarketScan data, 2

  19. Slide 19: PSVT & AFib-RVR Populations in the US

    PSVT & AFib - RVR Populations in the US Source(s): 1. Colilla et al., Am. J. Cardiol . 2013, 112(8), 1142 - 1147; Miyasaka et al., Circulation, 2006, 114, 119 - 125. American Heart Association 2 . HCUP ED & Admissions Data (2016), accessed January 2021. 3. Rehorn et al. Journal of Cardiovascular Ele

  20. Slide 20: Effect of Etripamil on Heart Rate While in SVT (NODE-301)

    Effect of Etripamil on Heart Rate (HR) while in SVT (NODE - 301 Study) • Improvement in HR observed within first minute, with maximum difference at 10 minutes • Differences were statistically significant through 40 minutes • Reduction in heart rate in etripamil group sustained for 1 hour • Some pati

  21. Slide 21: ReVeRA Phase II Proof of Concept Trial in AFib-RVR

    ReVeRA - Phase II Proof of Concept Trial of Etripamil in AFib - RVR in the Emergency Department Setting 21 Milestone Corporate Overview Patient presents to ED with episode of AFib - RVR Dosing & Assessment Efficacy Analysis 1. Baseline ECG for ≥ 10 min 2. Administer double blind study drug 70 mg etr

  22. Slide 22: Potential Effect of Etripamil on Heart Rate in AFib-RVR

    Potential Effect of Etripamil on Heart Rate on Patients in AFib - RVR 22 Milestone Corporate Overview PSVT Patients HR Reduction NODE - 301 Afib - RVR In PSVT Program AFib - RVR in REVERA (interim) Public Release 2023 Medical Conference Q2’ 2023 Utilizing Proof of Concept Data to Design Pivotal AFib

  23. Slide 23: Peak US Market Opportunity for Etripamil in PSVT and AFib-RVR

    Peak US Market Opportunity for Etripamil in PSVT and AFib - RVR Sources: Internal estimates based on market research, Milestone Pharmaceuticals Inc. 23 Milestone Corporate Overview ~2.6 million patients US Prevalence (2030) ~40 - 60% ~1.0 - 1.6 million patients ~500k - 800k patients 4 - 6/year Addre

  24. Slide 24: Strategic Financing with RTW Extends Runway to Mid-2025

    Strategic Financing with RTW Extends Runway to Mid - 2025 Helps fund launch and commercialization of Etripamil in PSVT 24 Milestone Corporate Overview 1 VWAP – Volume Weighted Average Price as of 3/27/23 2 Rate can increase by 2.5% if certain annual net sales thresholds are not met 3 Annual net prod

  25. Slide 25: Finances as of December 31, 2022

    Finances – as of December 31, 2022 Cash and short - term investments of $64.6M at year - end (proforma for convertible notes 114.6M (1) ) • March 2023, $125.0M strategic financing strengthens cash position (1) Cash balance plus proceeds from March 2023 financing (1) funds operations to mid - 2025 (1

  26. Slide 26: Milestone Pharma - Targeting Vast Unmet Need for Patient Management of Common Heart Conditions

    Milestone Pharma - Targeting Vast Unmet Need for Patient Management of Common Heart Conditions PSVT = Paroxysmal Supraventricular Tachycardia; AFib - RVR = Atrial Fibrillation with Rapid Ventricular Rate; 26 Milestone Corporate Overview Targeting Common Arrhythmias Empowering Patients to Treat Thems

  27. Slide 27: Appendix

    Milestone Corporate Overview 27 Appendix

  28. Slide 28: Core PSVT Market Addressable Now, if approved, with Potential for Expansion

    Core PSVT Market Addressable Now, if approved, with Potential for Expansion Source: 1) assumes annual incidence rate for PSVT of ~300k from longitudinal claims analysis and the average time to diagnosi s ( currently 2 - 3 years) can be reduced to <6 months 2) Calculated as the difference between PSV

  29. Slide 29: Management of Patients with PSVT and Call Point Targeting

    Management of Patients with PSVT and Call Point Targeting • Targeted sales force to reach majority of available opportunity • Significant overlap with most common CV portfolio call points Source: Internal market research 29 Clinical Cardiologists Primary Care Physicians Electro - physiologists % of

  30. Slide 30: Published Disease Data Likely Under-Reports Burden of PSVT

    Published Disease Data Likely Under - Reports Burden of PSVT Strengths • Provides important demographic and clinical characteristic data on patients with PSVT • Positive Predictive Values from PREEMPT useful • Less than 40% of incident cases in MESA would have been detected by PSVT ICD - 9 Code 427.

  31. Slide 31: Estimating Prevalence, Incidence, and Annually Treated Patients Using Claims Data

    Estimating Prevalence, Incidence, and Annually Treated Patients Using Longitudinal Claims Data Source: Data on file from IBM Marketscan ® Commercial Research Database (<65y) and the Medicare Limited Dataset (≥65y), with demographic, enrollment and claims data f or commercially insured (Truven) and M

  32. Slide 32: Current US PSVT Market

    • Prevalence ~2M diagnosed PSVT patients • ~300K newly diagnosed per year • ~600K patients treated per year • >150K ED/hospital visits per year • ~80K ablations per year No Rx ~25% Chronic Therapy ~65% Ablation ~10% Current US PSVT Market Source: Sacks, N.C. et al; Prevalence of Paroxysmal Supravent

  33. Slide 33: New Data Enhances Understanding of Burden of PSVT

    New Data Enhances Understanding of Burden of PSVT Analysis of Prospective Patient Reported Outcomes Longitudinal Data • Phase 1: Baseline Survey (medical and SVT episode history) • Phase 2: Longitudinal Weekly Surveys (episode survey if experienced an episode, QoL survey if not) 5,277 surveys comple

  34. Slide 34: Peak US Market Opportunity for Etripamil in PSVT

    Peak US Market Opportunity for Etripamil in PSVT Patients with PSVT *Patient stated severity of SVT episode (mild, moderate, or severe) Sources: Internal estimates based on market and outcomes research, Milestone Pharmaceuticals. 1. Rehorn et al. Journal of Cardiovascular Electrophysiology. 2021 Aug

  35. Slide 35: PRO Analyses Provide A Clearer Picture of Burden of PSVT

    PRO Analyses Provide A Clearer Picture of Burden of PSVT than Market Research Alone Sources: Internal estimates based on market and outcomes research, Milestone Pharmaceuticals. 1. PSVT patient market researc h c onducted by Triangle Insights Group, 2018 (n =250). 2. PSVT patient market research con

  36. Slide 36: Phase 3 PSVT Program - Other than RAPID

    Phase 3 PSVT Program – Other than RAPID • NODE - 301 • NODE - 302

  37. Slide 37: NODE-301 Study Design

    NODE - 301 Study Design 37 Milestone Corporate Overview Test Dose Randomization Event Primary Efficacy Analysis 70 mg dose of etripamil Administer in office while in sinus rhythm for safety evaluation (N=431) Randomized 2:1 70 mg etripamil : placebo (N=419) 1. Patient recognizes symptoms 2. Applies

  38. Slide 38: NODE-301 Primary Endpoint Over 5 Hours

    Primary Endpoint - over 5 hours Hazard Ratio = 1.09; p<0.12 NODE - 301 Kaplan - Meier Plot of Conversion to Sinus Rhythm 38 Milestone Corporate Overview Post hoc analysis: over 30 minutes Etripamil 54% vs. Placebo 35% HR = 1.87; p<0.02 Primary analysis: over 5 hours HR = 1.086; p<0.12 Source: Data o

  39. Slide 39: NODE-301 Conversion up to 5 Hours with Medical Intervention as Treatment Failures

    NODE - 301 Conversion up to Hour 5 with Medical Intervention Patients Analyzed as Treatment Failures at 5 hours (post - hoc) 39 Milestone Corporate Overview Etripamil 70mg Placebo Subjects who convert following medical assistance are censored at 5 hours. Subjects who present missing data from time t

  40. Slide 40: NODE-301 Efficacy - Time to Conversion over 45 Minutes

    NODE - 301 Efficacy – Time to Conversion over 45 Minutes 40 0% 10% 20% 30% 40% 50% 60% 70% 0 5 10 15 20 25 30 35 40 45 % Converted to SR Time to Conversion (minutes) Placebo Etripamil 70mg 32% 14% 54% 35% Milestone Corporate Overview New Primary Endpoint Second Dose Option for RAPID HR 1.87, p=0.02

  41. Slide 41: NODE-301 Key Secondary Endpoints

    43.27 57.42 0 10 20 30 40 50 60 70 80 90 100 Score on TSQM - 9 Questionnaire TSQM - 9 Global Satisfaction With 95% CI bars Placebo (N=49) Etripamil (N=104) P=0.0069 P=0.0015 NODE - 301 Key Secondary Endpoints 41 Key secondary endpoints from NODE - 301 support benefit of etripamil to patients and pay

  42. Slide 42: NODE-301 Safety Analysis

    Randomized Treatment Emergent Adverse Events (RTEAE) Etripamil N=138 (%) Placebo N=60 (%) Subjects with any RTEAE 53 (38.4) 12 (20.0) Maximum severity of RTEAE Mild 45 (32.6) 10 (16.7) Moderate 8 (5.8) 3 (3.3) Severe 0 (0.0) 0 (0.0) Most Common Adverse Events (>5%) Nasal discomfort 27 (19.6) 4 (6.7)

  43. Slide 43: NODE-301 Safety Analysis

    Randomized Treatment Emergent Adverse Events (RTEAE) Etripamil N=138 Placebo N=60 Subjects with any RTEAE 53 (38.4) 12 (20.0) Maximum severity of RTEAE Mild 45 (32.6) 10 (16.7) Moderate 8 (5.8) 3 (3.3) Severe 0 (0.0) 0 (0.0) Subjects with any Serious Adverse Event (SAE) 0 (0.0) 1 (1.7) Subjects with

  44. Slide 44: NODE-301 Safety Analysis

    Randomized Treatment Emergent Adverse Events Etripamil (N=138) Placebo (N=60) Nasal discomfort 27 (19.6) 4 (6.7) Nasal congestion 11 (8.0) 2 (3.3) Epistaxis 9 (6.5) 0 (0.0) Rhinorrhea 8 (5.8) 1 (1.7) Throat irritation 7 (5.1) 1 (1.7) Headache 4 (2.9) 0 (0.0) Sneezing 3 (2.2) 0 (0.0) Atrioventricular

  45. Slide 45: NODE-302 Study Design: Single-arm, Open-label Extension Study

    NODE - 302 Study Design: Single - arm, Open - label Extension Study From NODE - 301 Study Procedures 1. Patient perceived PSVT episode 2. Patient applied CMS 3. Patient performed trained VM 4. If episode persisted, patient self - administered etripamil 70 mg intranasally 5. CMS ECG monitoring contin

  46. Slide 46: Conversion of Adjudicated PSVT to Sinus Rhythm - NODE-302 and NODE-301

    Conversion of Adjudicated PSVT to Sinus Rhythm at 30 and 60 Minutes – NODE - 302 and NODE - 301 Source: Ip, JE et al; Etripamil Nasal Spray Is Effective and Safe for Conversion of Repeated Spontaneous Episodes of Paroxysm al Supraventricular Tachycardia During Long - term Follow - up: Results From t

  47. Slide 47: NODE-302: Number of Positively Adjudicated PSVT Episodes Per Patient

    NODE - 302: Number of Positively Adjudicated PSVT Episodes Per Patient Treated With Etripamil Source: Ip, JE et al; Etripamil Nasal Spray Is Effective and Safe for Conversion of Repeated Spontaneous Episodes of Paroxysm al Supraventricular Tachycardia During Long - term Follow - up: Results From the

  48. Slide 48: NODE-302: Conversion of Adjudicated PSVT - 1st Episode

    NODE - 302: Conversion of Adjudicated PSVT to Sinus Rhythm – 1st Episode Source: Ip, JE et al; Etripamil Nasal Spray Is Effective and Safe for Conversion of Repeated Spontaneous Episodes of Paroxysm al Supraventricular Tachycardia During Long - term Follow - up: Results From the NODE - 302 Study; He

  49. Slide 49: NODE-302: Conversion of Adjudicated PSVT - 2nd Episode

    NODE - 302: Conversion of Adjudicated PSVT to Sinus Rhythm – 2nd Episode Source: Ip, JE et al; Etripamil Nasal Spray Is Effective and Safe for Conversion of Repeated Spontaneous Episodes of Paroxysm al Supraventricular Tachycardia During Long - term Follow - up: Results From the NODE - 302 Study; He

  50. Slide 50: NODE-302: Consistency of Conversion between 1st and 2nd Episodes

    NODE - 302 Consistency of Conversion at 30 Minutes between the 1 st and 2nd Adjudicated PSVT Episodes • 75% of patients (30/40) had a consistent response between the 1st and 2nd episode (Chi - square=8.09; P =0.0045) • 21/26 patients (81%) who converted on their 1st episode also successfully convert

  51. Slide 51: NODE-302: Additional Medical Intervention

    NODE - 302: Additional Medical Intervention • 13% of patients and 8.5% of positively adjudicated PSVT episodes required additional medical intervention • Additional medical interventions included: ― Intravenous adenosine (n=12) ― Physician - initiated vagal maneuver (n=2) ― Orally self - administere

  52. Slide 52: NODE-302: Most Frequent Etripamil-related TEAEs

    NODE - 302: Most Frequent Etripamil - related TEAEs • Majority of TEAEs were nasal/local, mild, and brief • No reported cases of syncope or symptoms of hypotension • No episodes of AV block or pauses after PSVT conversion with etripamil Source: Ip, JE et al; Etripamil Nasal Spray Is Effective and Sa

  53. Slide 53: Comparison of Etripamil-Related AEs with Repeat Dosing

    Comparison of Etripamil - Related AEs with Repeat Dosing – NODE - 301 and NODE - 302 Source: Ip, JE et al; Etripamil Nasal Spray Is Effective and Safe for Conversion of Repeated Spontaneous Episodes of Paroxysm al Supraventricular Tachycardia During Long - term Follow - up: Results From the NODE - 3

  54. Slide 54: Phase 1 and Phase 2 Clinical Studies

    Phase 2 and Phase 1 Clinical Studies

  55. Slide 55: Etripamil Nasal Spray: A Novel CCB Designed to be Fast, Portable, and Patient-Empowering

    Etripamil Nasal Spray: A Novel CCB Designed to be Fast, Portable, ​and Patient - Empowering 55 Milestone Corporate Overview PK Plots of Intranasally Administered Etripamil (single and repeat dosing) • Developed to rapidly terminate episodes of PSVT • Designed for patient self - administration where

  56. Slide 56: Etripamil Phase 1 Pharmacology PR Prolongation Used to Select Doses

    Etripamil Phase 1 Pharmacology PR Prolongation Used to Select Doses for Phase 2 Error bars indicate standard error of the mean 56 20 40 60 80 100 120 140 placebo 8 4 6 2 10 12 14 16 18 20 0 Target PR threshold PR Interval Prolongation (%) Etripamil Dose (mg) Milestone Corporate Overview

  57. Slide 57: Etripamil Nasal Spray Pharmacological Results (NODE-102)

    Etripamil Nasal Spray Pharmacological Results (NODE - 102) 57 Milestone Corporate Overview Anticipated therapeutic effect within 45 minutes; peak within 10 minutes -10% 0% 10% 20% 0 20 40 60 80 100 120 140 160 0 10 20 30 40 50 60 70 80 90 100 PR Interval – Mean change from baseline (%) Mean Etripami

  58. Slide 58: PK of Etripamil Repeat Administration

    PK of Etripamil 30 mg Repeat Administration at T=10 min (Study MSP - 2017 - 1096) 58 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 Plasma Concentration (ng/ml) Time (minutes) 30mg 30mg Milestone Corporate Overview Repeat administration increases both Cmax and AUC N=7, Error bars are standard

  59. Slide 59: Phase 2a/b Study Design (NODE-1)

    Placebo n=20 Objectives: Demonstrate superiority of etripamil over placebo in terminating SVT and dose - ranging trend analysis Etripamil 140mg n=21 15 min Etripamil 105mg n=20 0 min - 5 min Phase 2a/b Study Design (NODE - 1) EP = electrophysiology. SVT = supraventricular tachycardia, PSVT = paroxys

  60. Slide 60: Phase 2 Primary Endpoint

    Phase 2 Primary Endpoint Source: Stambler , B.S. et al.; Etripamil Nasal Spray for Rapid Conversion of Supraventricular Tachycardia to Sinus Rhythm; J Am Coll Cardiol . 2018;72(5):489 – 97 60 Etripamil three highest doses demonstrated 75 - 95% conversion rates, statistically significant compared to

  61. Slide 61: Phase 2 Time to Conversion

    Phase 2 Time to Conversion Source: Stambler , B.S. et al.; Etripamil Nasal Spray for Rapid Conversion of Supraventricular Tachycardia to Sinus Rhythm; J Am Coll Cardiol . 2018;72(5):489 – 97 61 Milestone Corporate Overview 70mg etripamil dose showed rapid time to conversion (median < 3 min) Kaplan M

  62. Slide 62: Phase 2 Mean Systolic Blood Pressure Effects

    Phase 2 Mean Systolic Blood Pressure Effects Source: Stambler , B.S. et al.; Etripamil Nasal Spray for Rapid Conversion of Supraventricular Tachycardia to Sinus Rhythm; J Am Coll Cardiol . 2018;72(5):489 – 97 62 Milestone Corporate Overview 1 2 1 Baseline is defined as the average of the 20 - min an

  63. Slide 63: RAPID Detailed Slides

    Milestone RAPID Detailed Slides

  64. Slide 64: Phase 3 RAPID Clinical Study Design & Enrollment

    ▪ ECG of blinded event is adjudicated for being true PSVT (efficacy population) & PSVT termination time ▪ Primary Endpoint = PSVT conversion to NSR, Kaplan Meier analysis over 30 min ▪ Power : 90%, alpha < 0.05; delta = 19% in conversion rates between arms ▪ Study concluded when target met of 180 bl

  65. Slide 65: RAPID Baseline Patient Demographics

    Placebo (N=120) Etripamil (N=135) Overall (N=255) Age, years Mean (SD) 56.2 (12.0) 52.4 (14.0) 54.2 (13.2) Median (range) 58.0 (21, 78) 52.0 (19, 82) 55.0 (19, 82) Sex, female, n (%) 88 (73.3) 93 (68.9) 181 (71.0) Race, n (%) American Indian or Alaska native 0 1 (0.7) 1 (0.4) Asian 4 (3.3) 2 (1.5) 6

  66. Slide 66: RAPID Efficacy

    0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Kaplan Meier Probability of Conversion, (%) Time Since Study Drug Administration (minutes) RAPID Efficacy "+" symbol on graph indicates censoring for signal loss (n=4 over 90 minutes) Source: Milestone

  67. Slide 67: RAPID Safety Analysis

    RAPID Safety Analysis 1 Safety Population. 2 Three events were: Frequent PVCs and couplets after PSVT termination; non - sustained VT after PSVT termination; allergic reactio n, treated with oral Benadryl. TEAE timing – up to 24 hours following drug administration. TEAE = treatment - emergent advers

  68. Slide 68: RAPID Safety - Adverse Events

    RAPID Safety – Adverse Events Source: Milestone Pharmaceuticals Data on File0 69 Milestone Corporate Overview 1 Adverse events specifically acquired as adverse events of interest, as potentially representing lowered blood pressure. 2 Safety Population. 3 Six of 8 rated as mild, 2 of 8 rated as moder

  69. Slide 69: Conversion Rates from PSVT to Normal Rhythm (all studies)

    Conversion Rates from PSVT to Normal Rhythm (all studies) Source: Milestone Pharmaceuticals Data on File 70 Milestone Corporate Overview R&D Phase, Study Etripamil, 70 mg (% Conversion) Placebo (% Conversion) Hazard Ratio p value Statistical Analysis Notes Phase 3 RAPID 64 31 2.62 <0.001 Kaplan Meie

Milestone Pharmaceuticals — Investor Presentation (March 2023) on 6ix