Ptc Therapeutics, Inc. · NASDAQ:PTCT

Ptc Therapeutics — Technical Presentation (2023)

15 slides from Ptc Therapeutics's technical presentation, 2023

  1. Slide 1: MOVE-FA Topline Results

    MOVE-FA Topline Results Matthew B. Klein, MD CEO Patient Living with FA

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements This presentation contains forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. All statements contained in this presentation, other than statements of historic fact, are forward-looking statements, including statements wit

  3. Slide 3: MOVE-FA Is a Global Registration-Directed Trial of Vatiquinone in Friedreich Ataxia Patients

    MOVE-FA Is a Global Registration-Directed Trial of Vatiquinone in Friedreich Ataxia Patients Primary Analysis Population: Placebo-Controlled Open-Label Extension 7-21 years old Overall Enrolled Population: Vatiquinone included patients over age 21 Vatiquinone R Placebo Primary Endpoint Change in mFA

  4. Slide 4: mFARS Disease Rating Scale Measures Disease Progression Across Four Domains

    mFARS Disease Rating Scale Measures Disease Progression Across Four Domains Bulbar Upright stability Lower limb Upper limb coordination coordination mFARS scores worsen (increase) on average by 2 to 3 points per year in pediatric patients based on natural history studies1 4 MOVE-FA Topline Results 1

  5. Slide 5: Baseline Patient Characteristics: Primary Analysis & Overall Enrolled Populations

    Baseline Patient Characteristics: Primary Analysis & Overall Enrolled Populations Primary Analysis Population Overall Enrolled Population Placebo Vatiquinone Total Placebo Vatiquinone Total n (%) n (%) n (%) n (%) n (%) n (%) Subject Number 62 61 123 73 70 143 Mean Age at Baseline [min,max] 14.3 [8,

  6. Slide 6: Vatiquinone Treatment Demonstrated Slowing of Disease Progression on mFARS with Nominal Significance in Key Subscales

    Vatiquinone Treatment Demonstrated Slowing of Disease Progression on mFARS with Nominal Significance in Key Subscales Primary Analysis Population Overall Enrolled Population Change from Baseline to Week 72 Change from Baseline to Week 72 Analysis Placebo Vatiquinone Difference P-value Placebo Vatiqu

  7. Slide 7: Vatiquinone Treatment Resulted in Meaningful Slowing of Disease Symptom Progression

    Vatiquinone Treatment Resulted in Meaningful Slowing of Disease Symptom Progression Primary Analysis Population Overall Study Population p = 0.14 p = 0.098 p = 0.021 p = 0.025 p = 0.14 p = 0.082 p = 0.025 p = 0.0095 p = 0.21 p = 0.13 7 MOVE-FA Topline Results

  8. Slide 8: Pre-Specified Completers Sensitivity Analysis

    Pre-Specified Completers Sensitivity Analysis As the study was conducted during the COVID-19 pandemic, a pre- specified sensitivity analysis was included for subjects that completed the study protocol on assigned treatment The total number of subjects completing the study without treatment assignmen

  9. Slide 9: Completer Sensitivity Analysis Population

    Completer Sensitivity Analysis Population Primary Analysis Population Overall Enrolled Population Placebo Vatiquinone Total Placebo Vatiquinone Total n (%) n (%) n (%) n (%) n (%) n (%) Randomized 48 48 96 56 54 110 Mean Age at Baseline [min,max] 14.2 [8,20] 15.4 [9,21] 14.8 [8,21] 17.6 [8,68] 19.0

  10. Slide 10: Vatiquinone Treatment Demonstrated Greater Magnitude of Effect on Disease Progression in Completers Sensitivity Analysis

    Vatiquinone Treatment Demonstrated Greater Magnitude of Effect on Disease Progression in Completers Sensitivity Analysis Primary Analysis Population Completers Overall Enrolled Population Completers Change from Baseline to Week 72 Change from Baseline to Week 72 Analysis Placebo Vatiquinone Differen

  11. Slide 11: Vatiquinone Treatment Slowed Disease Progression by 75% in Completers Sensitivity Analysis at Week 72

    Vatiquinone Treatment Slowed Disease Progression by 75% in Completers Sensitivity Analysis at Week 72 Primary Analysis Population Completers -2 Placebo Change from Baseline in mFARS total score Vatiquinone -1 0 0.77 1 Treatment Difference 2 2.31 Points 3 3.08 at Week 72 4 Baseline Week 12 Week 24 We

  12. Slide 12: Vatiquinone Demonstrated to Be Well Tolerated

    Vatiquinone Demonstrated to Be Well Tolerated Similar Adverse Event Profile Between Vatiquinone and Placebo Subjects Most Common Treatment-Related Adverse Events Were GI Symptoms MOVE-FA Safety Profile Consistent with Other Vatiquinone Pediatric Studies 12 MOVE-FA Topline Results

  13. Slide 13: Overview of Treatment-Emergent Adverse Events in Overall Study Population

    Overview of Treatment-Emergent Adverse Events in Overall Study Population Category Placebo Vatiquinone (N=73) N (%) (N=73) N (%) Subjects with at least one TEAE 73 (100) 71 (97) Subjects with TEAEs by maximum severity Mild 31 (42.5) 26 (35.6) Moderate 32 (43.8) 37 (50.7) Severe 9 (12.3) 7 (9.6) Life

  14. Slide 14: MOVE-FA Results Support Discussions With Regulatory Authorities

    MOVE-FA Results Support Discussions With Regulatory Authorities Evidence of meaningful High unmet need Discuss potential path clinical benefit on key for pediatric to registration with aspects of FA disease FA patients regulatory authorities 14 MOVE-FA Topline Results

  15. Slide 15: Strategic Portfolio Prioritization

    Strategic Portfolio Prioritization • Discontinuation of preclinical and early research programs in gene therapy • Reduction in workforce related to deprioritized programs and SG&A • Estimated reductions in residual 2023 OPEX of approximately 15% • Updated 2023 full-year OPEX to be shared at Q2 earni

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