enVVeno Medical Corporation · NASDAQ:NVNO

enVVeno Medical — VEITH Symposium 2024

65 slides from enVVeno Medical's conference presentation, November 2024

  1. Slide 1: Setting New Standards for Venous Care

    Setting New Standards for Venous Care VEITH SYMPOSIUM November 2024 Nasdaq: NVNO enVVeno.com

  2. Slide 2: Agenda

    Agenda 2 Welcome - Robert Berman, CEO Introduction - Dr. Marc Glickman, Senior Vice President and CMO Overview: One-Year Data from the SAVVE Pivotal Trial Dr. Matthew Smeds, St. Louis University VenoValve Results: CEAP Stratification Dr. Raghu Motaganahalli – Indiana University Patient Perspectives

  3. Slide 3: One-Year Data of VenoValve Implantation in the SAVVE U.S. Pivotal Trial

    November 20, 2024 One-Year Data of VenoValve Implantation in the SAVVE U.S. Pivotal Trial Presented by Dr. Matthew Smeds Professor of Surgery, Division of Vascular and Endovascular Surgery St. Louis University

  4. Slide 4: Chronic Venous Insufficiency (CVI): Economic Impact

    Chronic Venous Insufficiency (CVI): 4 Economic Impact ~2.5M ~$30k 20-40% Potential VV Spent on wound care per 1-year ulcer recipients patient per year2 recurrence1 the U.S. ~$3B ~40% Direct medical More workdays costs2 missed3 1. Yost, Mary, The Sage Group, Chronic Venous Disease, Epidemiology, Cost

  5. Slide 5: CVI: Impact on Quality of Life

    CVI: Impact on Quality of Life 5 Pain, Heaviness, Edema, Ulceration, Personal Care and Household Chores Sleep Deprivation and Social Isolation Reported Rates of Anxiety of up to 30%, Depression of up to 40%1 QoL Worse than Osteoarthritis, Angina, COPD2 1. Souza Nogueira G, Rodrigues Zanin C, Miyazak

  6. Slide 6: Treatment of Deep CVI

    Treatment of Deep CVI 6 Standard of Care = Compression Therapy Attaran RR & Ochoa Chaar CI, Phlebology . 2017 Mar;32(2):81-88 Maleti et al., J Vasc Surg Venous Lymphat Disord 2023;11:1265-75

  7. Slide 7: VenoValve: Unique Bioprosthesis

    VenoValve: Unique Bioprosthesis 7 Monocusp Valve FDA Breakthrough Device Designation Rigid stainless-steel frame FIH Pilot study demonstrated sustained benefit in patients up to 3 years Porcine aortic valve noncoronary leaflets Uloa & Glickman. Vascular and Endovascular Surgery 2022, Vol. 56(3) 277–

  8. Slide 8: U.S Pivotal Trial

    U.S Pivotal Trial 8 Inclusion Exclusion • Failure of at Least 3 Months • ABI >.61 • Hypercoagulable Condition • Iliac/IVC Obstruction or Poor Standard Care • BMI <40 • Acute Deep Venous Thrombosis Central Venous Flow • Axial Reflux > 1 Second or Pulmonary Embolism • Uncontrolled Diabetes • CEAP Scor

  9. Slide 9: Valve Implant

    Valve Implant • Proximal to Mid thigh Femoral vein • Mobilize the SFAfor adequate Femoral vein exposure

  10. Slide 10: Valve Implant

    § Valve Implant en¥%eno

  11. Slide 11: Patients Characteristics

    Patients Characteristics 11 Demographics CEAP Classification • Age: 62.9 [38-83] • C4b: 5/73 (6.8%) • Male: 80.8% (N=59) • C4c: 5/73 (6.8%) • Race • C5: 21/73 (28.8%) • White: 86.3% (N=63) • C6: 42/73 (57.5%) • African American: 12.3% (N=9) • 73.8% (N=31/42) of patients • Other: 1.4% (N=1) with C6 d

  12. Slide 12: Procedural Outcomes

    § Procedural Outcomes PROCEDURAL SUCCESS RATE 97.3” (N=73/75) INTRA-OPERATIVE DEVICE PATENCY 100” SAW/E DAYS TO DISCHARGE 1.2 day average hospital stay en¥%eno

  13. Slide 13: Mechanical Aspiration Thrombectomy

    Mechanical Aspiration Thrombectomy 13 • Endovascular salvage in 2 cases

  14. Slide 14: 1 Year Results from SAVVE Trial

    14 1 Year Results from SAVVE Trial enVVeno.com

  15. Slide 15: Device Patency at 1 Year

    Device Patency at 1 Year 15 *9 device occlusions. 8 recanalized.

  16. Slide 16: Target Vein Patency Rate

    Target Vein Patency Rate* 16 *Target Vein Patency Rate defined as absence of color flow in any of four locations of the target vein (femoral vein) where the VenoValve was implanted.

  17. Slide 17: Major Adverse Events (MAEs) at 1 year

    Major Adverse Events (MAEs) at 1 year 17 17 out of 18 subjects with MAEs through 30 days not impacted and achieved clinical meaningful benefit at 1 year

  18. Slide 18: rVCSS: Clinically Meaningful Benefit

    rVCSS: Clinically Meaningful Benefit 18

  19. Slide 19: rVCSS: Point Improvement Clinically Meaningful Benefit

    rVCSS: Point Improvement 19 Clinically Meaningful Benefit

  20. Slide 20: Patients < 3 Point rVCSS

    Patients < 3 Point rVCSS 20 15%

  21. Slide 21: C6 Patients: Active Ulcers

    C6 Patients: Active Ulcers HealX marker – Standard unit of measurement Ulcer 1 Area: 60.83 cm² Length: 14.24 cm Width: 5.61 cm Ulcer 2 Area: 9.99 cm² Length: 5.06 cm Width 2.78 cm Outcomes up to one year: • Total area of ulceration after surgery compared to baseline • Ulcer healing and improvement

  22. Slide 22: Average Ulcer Area Reduced To – C6 Patient

    Average Ulcer Area Reduced To 22 – C6 Patient

  23. Slide 23: Ulcer C6 Patient: Severity of the Disease

    Ulcer C6 Patient: Severity of the Disease 23 Nasdaq: NVNO | enVVeno.com

  24. Slide 24: Percent Avg Ulcer Area Reduction

    Percent Avg Ulcer Area Reduction 24

  25. Slide 25: Impact of VenoValve Implantation

    Impact of VenoValve Implantation 25 Nasdaq: NVNO | enVVeno.com

  26. Slide 26: Ulcer Healing Summary

    § Ulcer Healing Summary SAYZE | « Ulcer Healing or Improvement at 12 Months Following VenoValve Implant Procedure 80” of Ulcers Reduced in Size from baseline (n=40/50) ULCER DURATION ULCER DURATION <1 YEAR >1YEAR 100% 78% Improved Improved n=12/12 n=28/36 92% 31% Fully Healed Fully Healed nad n=11/3

  27. Slide 27: VAS Leg Pain Score

    Be VAS Leg Pain Score SAWZE | » Percentage Improvement in Median VAS Scores at 12 Months 90% 9 % 20% 1 75” 70% | 60% 75% Improvement 50% in Median VAS at 12 Months 40% N=54 30% 20% 10% 0% i it i Baseline 3 months 6 months 12 months enwyeno MEDICAL

  28. Slide 28: Quality Of Life Indicators

    Quality Of Life Indicators 28

  29. Slide 29: VEINES SYMs Score

    BE VEINES SYMs Score SAWZE |» 70 65 2 8 60 OG n iS L BS 6 D S50 z S45 40 35 i a i Baseline 3 months 6 months 1 Year Visit en¥%eno

  30. Slide 30: VEINES QoL

    B VEINES QoL SAVE | VEINES QoL Baseline 3 months 6 months 1 Year Visit en¥%eno

  31. Slide 31: EQ-5D-5L Index Score Through 12 months

    EQ-5D-5L Index Score 31 Through 12 months

  32. Slide 32: Use of Compression Therapy

    Use of Compression Therapy 32

  33. Slide 33: Conclusion

    Conclusion 33 The VenoValve is a safe and effective treatment for patients for the treatment of chronic venous insufficiency (CVI) due to deep valvular incompetency.

  34. Slide 34: Q&A Thank You!

    Q&A 34 Thank You! Nasdaq: NVNO | enVVeno.com

  35. Slide 35: Impact Of Placement Of The VenoValve On CEAP Score In Patient's Treated In SAVVE Trial

    November 20, 2024 Impact Of Placement Of The VenoValve On CEAP Score In Patient’s Treated In SAVVE Trial Presented by Dr. Raghu Motaganahalli Professor of Surgery, Division Chief and Program Director Division of Vascular Surgery Indiana University Methodist Hospital

  36. Slide 36: How Does VenoValve Affect Advanced Chronic Venous Disease (C4–C6)?

    How Does VenoValve Affect Advanced Chronic Venous Disease (C4–C6)?

  37. Slide 37: Patients Characteristics

    Patients Characteristics 37 Demographics CEAP Classification • Age: 62.9 [38-83] • C4b: 5/73 (6.8%) • Male: 80.8% (N=59) • C4c: 5/73 (6.8%) • Race • C5: 21/73 (28.8%) • White: 86.3% (N=63) • C6: 42/73 (57.5%) • African American: 12.3% (N=9) • 73.8% (N=31/42) of patients • Other: 1.4% (N=1) with C6 d

  38. Slide 38: Patients Characteristics per CEAP Classification

    Patients Characteristics per 38 CEAP Classification No statistical differences across the 3 CEAP cohorts, Age comparison: P-value= 0. 2635

  39. Slide 39: Change in rVCSS and Systemic Reflux Data

    Change in 39 rVCSS and Systemic Reflux Data SYSTEMIC DERIVED REFLUX Average of reflux values 2cm, 5cm, 10cm below the valve compared to caudal/popliteal reflux average at baseline The Pearson correlation coefficient was 0.16, indicating a positive correlation between the two outcomes; as the change

  40. Slide 40: Change in rVCSS and Systemic Reflux Data – C6 Subjects

    Change in rVCSS and Systemic Reflux Data – C6 Subjects

  41. Slide 41: Change in rVCSS and Systemic Reflux Data - C5 Subjects

    Change in rVCSS and Systemic Reflux Data - C5 Subjects

  42. Slide 42: Average rVCSS score change for patients with ≥3 points at 12 Months

    Average rVCSS score change for 42 patients with ≥3 points at 12 Months

  43. Slide 43: Average rVCSS score change for patients with ≥3 points at 12 Months - per CEAP class

    Average rVCSS score change for patients with 43 ≥3 points at 12 Months - per CEAP class

  44. Slide 44: Average VAS (Pain) Score Changed from Baseline

    Average VAS (Pain) Score Changed from Baseline 44

  45. Slide 45: Average VAS (Pain) Score Improvement at 12 Months - per CEAP Class

    Average VAS (Pain) Score Improvement 45 at 12 Months - per CEAP Class 53% 46% 35%

  46. Slide 46: VEINES SYMS Score

    § VEINES SYMS Score SAME «: 70 65 2 8 60. OG n < i BS 6 D S50 z S45 40 35 a ci Baseline 3 months 6 months 1 Year Visit enwyeno MEDICAL

  47. Slide 47: Avg VEINS SYM Score Improvement at 12 Months - per CEAP Class

    Avg VEINS SYM Score Improvement at 12 Months 47 - per CEAP Class 28% 39% 40%

  48. Slide 48: VEINES QoL

    § VEINES QoL SAYZE | as VEINES QoL Baseline 3 months 6 months 1 Year Visit envweno MEDICAL

  49. Slide 49: Avg VEINS QOL score Improvement at 12 Months - per CEAP Class

    Avg VEINS QOL score Improvement at 12 Months 49 - per CEAP Class 43% 36% 34%

  50. Slide 50: Average Ulcer Area Reduced To – C6 Patient

    Average Ulcer Area Reduced To 50 – C6 Patient

  51. Slide 51: Percent Avg Ulcer Area Reduction

    Percent Avg Ulcer Area Reduction 51

  52. Slide 52: Use of Compression Therapy

    Use of Compression Therapy 52

  53. Slide 53: Conclusion

    Conclusion 53 • This data suggests that not only is the VenoValve safe and effective, but is effective for all patients from C4b - C6. • Perhaps implanting patients early with the VenoValve would results in less severity of disease and symptoms for patients • VenoValve offers a novel treatment optio

  54. Slide 54: Q&A Thank You!

    B Q&A Thank You! 54 IEDICAL

  55. Slide 55: Setting New Standards for Venous Care

    Setting New Standards for Venous Care

  56. Slide 56: Patient Case Study: Patient 023-001

    56 Patient Case Study # 1 Presented by: Dr. Raghu Motaganahalli Patient 023-001 enVVeno.com

  57. Slide 57: Patient 023-001

    Patient 023-001 57 Baseline Patient Past Medical Demographics History Age 41 Hodgkins Lymphoma / 1991 Race Caucasian Thyroid CA / 2014 Sex Female DVT CEAP Class C5 Hyperlipidemia Height 165cm Weight 84.2kg BMI 30.9

  58. Slide 58: 023-001 - Implant Date: 08/08/23

    023-001 - Implant Date: 08/08/23 58 SURGICAL PROCEDURE On 08/08/2023 patient underwent placement of a 9mm VenoValve into the right femoral vein, primary closure POST-OP NOTES FOLLOW-UP NOTES • 7 day follow up it was reported that there was thrombus noted in FV • No initial complications and through

  59. Slide 59: Patient 023-001

    Patient 023-001 59 BASELINE 30 DAYS 3PROGRESSION MONTHS 6 MONTHS

  60. Slide 60: Patient Case Study: Patient 020-002

    60 Patient Case Study # 2 Presented by: Dr. Marc Glickman Patient 020-002 enVVeno.com

  61. Slide 61: Patient 020-002

    Patient 020-002 61 Baseline Patient Past Medical Demographics History Age 50 DVT Race Caucasian Diabetes Sex Female Patient has healed her wound CEAP Class C6 only 2 times in the last 20 years History of venous stasis ulcer ulcer for 20 years History of multiple superficial venous procedures Used co

  62. Slide 62: 020-002: Implant Date 8/18/22

    020-002: Implant Date 8/18/22 62 SURGICAL PROCEDURE On 8/18/22 patient underwent placement of a 9 mm VenoValve into the right femoral vein, mid- thigh region, bovine patch used POST-OP FOLLOW-UP NOTES NOTES • Patient was discharged the next day and Improvement in RVCSS from baseline 14 pt: treated w

  63. Slide 63: Patient 023-001

    Patient 023-001 63 BASELINE PROGRESSION

  64. Slide 64: Patient Perspectives

    64 Patient Perspectives enVVeno.com

  65. Slide 65: Setting New Standards for Venous Care

    Setting New Standards for Venous Care

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