Chemomab Therapeutics Ltd. · NASDAQ:CMMB

Chemomab Therapeutics — AASLD 2024

19 slides from Chemomab Therapeutics's conference presentation, November 2024

  1. Slide 1: CM-101 improved fibrosis biomarkers in patients with primary sclerosing cholangitis: The SPRING Study

    CM-101 improved fibrosis biomarkers in patients with primary sclerosing cholangitis: The SPRING Study CL Bowlus1, ST Barclay2, D Joshi3, MC Londoño4, P Mantry5, R Safadi6, R Aricha7, C Cirillo7, M Frankel7, J Lawler7, I Vaknin7, A Mor7, D Thorburn8, on behalf of the SPRING Study investigators. 1Univ

  2. Slide 2: Primary Sclerosing Cholangitis is a Rare Cholestatic Liver Disease with High Unmet Needs

    Primary Sclerosing Cholangitis (PSC) is a Rare Cholestatic Liver Disease with High Unmet Needs • Unknown etiology but associated with inflammatory bowel disease in ~70% • Characterized by inflammation and fibrotic strictures of the bile ducts • Complications include those related to cirrhosis as wel

  3. Slide 3: CCL24 is a Chemokine that Promotes Cell Trafficking and Regulates Inflammatory and Fibrotic Activities

    CCL24 (eotaxin-2) is a Chemokine that Promotes Cell Trafficking and Regulates Inflammatory and Fibrotic Activities through the CCR3 Receptor CCL24 Secreting Cells Immune and CCL24 Epithelial The Cells Target CCR3 CCL24 – CCR3 promotes Causing more CCL24 The CCL24 inflammation and fibrosis inflammati

  4. Slide 4: Background: CCL24 Levels are Elevated in PSC Patients and Associated with Cirrhosis

    Background: CCL24 Levels are Elevated in PSC Patients and Associated with Cirrhosis CCL24 levels in liver tissue of healthy subjects Serum CCL24 level is higher in cirrhosis and vs. patients with PSC associated with risk of progression to cirrhosis Healthy Liver PSC Livers CCL24 Staining CCL24 (brow

  5. Slide 5: Background: Rationale for Targeting CCL24 with CM-101 in PSC

    Background: Rationale for Targeting CCL24 with CM-101 in PSC CM-101 Reduced Liver Injury and Fibrosis in the Mdr2 -/- Mouse CM-101 • Humanized monoclonal antibody • Neutralizes CCL24 • Well tolerated in phase 1studies Reduced Macrophage Recruitment and Attenuated Liver Biliary Epithelial Cell Prolif

  6. Slide 6: Methods: SPRING Study Design

    Methods: SPRING Study Design Phase 2, randomized, double-blind, placebo-controlled study of CM-101 in PSC Key Enrollment Criteria CM-101 Primary Sclerosing Cholangitis SPRING Study (NCT 04595825) PSC patients with large duct disease of >24 weeks duration • ALP > 1.5 ULN • Stable IBD allowed • Stable

  7. Slide 7: Patient Disposition

    Patient Disposition Patient Enrolled N=134 Screen failure N=57 Randomized N=77 Placebo CM-101 10mg/kg CM-101 20 mg/kg Intent-to-treat Intent-to-treat Intent-to-treat N=21 N=25 N=31 Safety Population Safety Population Safety Population Safety Population Randomized and N=20 N=25 N=31 received at least

  8. Slide 8: Patient Demographics and Baseline Characteristics (Safety Population)

    Results: Patient Demographics and Baseline Characteristics (Safety Population) Characteristic Placebo CM-101 (10 mg/kg) CM-101 (20 mg/kg) n=20 n=25 n=31 Age (year), mean, (range) 40.5 (23–75) 48.6 (23–74) 45.6 (23–67) Male Gender, n, (%) 13 (65%) 16 (64%) 17 (55%) Race, n, (%) White 19 (95%) 19 (76%

  9. Slide 9: Safety and Tolerability Profile

    Results: Safety and Tolerability Profile Treatment Emergent Adverse Events CM-101 CM-101 All N, (%) Placebo 10mg/kg 20mg/kg CM-101 n=20 n=25 n=31 n=56 Treatment Emergent Adverse Events (TEAE) 15 (75%) 18 (72%) 28 (90%) 46 (82%) Related to study drug 9 (45%) 7 (28%) 16 (52%) 23 (41%) Serious TEAE 1 (

  10. Slide 10: Most Common Treatment Emergent Adverse Events

    Results: Most Common Treatment Emergent Adverse Events Placebo CM-101 CM-101 CM-101 Treatment Emergent Adverse Events, n (%) 10mg/kg 20mg/kg (All) ≥10% Frequency n=20 n=25 n=31 n=56 Fatigue 6 (30%) 5 (20%) 11 (36%) 16 (29%) Headache 4 (20%) 2 (8%) 7 (23%) 9 (16%) Pruritis 2 (10%) 4 (16%) 2 (7%) 6 (1

  11. Slide 11: Liver Biochemistries Tests

    Results: Liver Biochemistries Tests Patients with baseline All patients moderate/advanced disease* 39.2 40 20 16.5 Median % change from Median % change from baseline at week 15 baseline at week 15 10.4 10 19.3 20 5.0 13.8 2.9 10.4 0.3 0 4.9 3.5 3.6 2.8 -2.5 -1.4 -1.7 -5.2 0 -10 -7.2 -2.1 -9.6 -5.2 -

  12. Slide 12: Total Bilirubin

    Results: Total Bilirubin Patients with baseline All patients moderate/advanced disease* 0 0 0 0 Median % change from Median % change from baseline at week 15 baseline at week 15 -5 -5 -10 -9.2 -8.9 -10 -10.7 p=0.07 -13.3 -15 Placebo 10mg/kg 20mg/kg Placebo 10mg/kg 20mg/kg n=16 n=22 n=28 n=7 n=14 n=1

  13. Slide 13: Liver Stiffness Measurements

    Results: Liver Stiffness Measurements Patients with baseline All patients moderate/advanced disease* p=0.12 p=0.16 * p=0.01 2 * p=0.01 change from baseline to week 15 6 change from baseline at week 15 1 4 1.04 LS mean (SE) LS mean (SE) 3.0 2 0 -0.72 -0.83 0 -1 -1.5 -1.4 -2 -2 Placebo 10mg/kg 20mg/kg

  14. Slide 14: ELF Scores

    Results: ELF Scores Patients with baseline moderate/advanced disease* ELF Components-Change from Baseline Over Time CM-101 20 mg/kg vs. Placebo through 15 weeks 40 TIMP1 All patients p=0.09 At 15 weeks 10 mg/kg vs. placebo, p= 0.016 change from baseline at week 15 20 20 mg/kg vs. placebo, p= 0.014 0

  15. Slide 15: PRO-C3

    Results: PRO-C3 Patients with baseline All patients moderate/advanced disease* p=0.1 p=0.1 change from baseline to week 15 5.0 2.11 change from baseline at week 15 8 6 2.5 LS mean (SE) 4 4.75 LS mean (SE) (ng/ml) 2 0.0 0 -2 -2.96 -3.03 -2.5 -0.45 -4 -1.50 -6 -5.0 Placebo 10 mg/kg 20 mg/kg Placebo 10

  16. Slide 16: 5-D ITCH Total Scores

    Results: 5-D ITCH Total Scores Pruritus 2 Placebo (n=16) 10 mg/kg (n=21) 1 20 mg/kg (n=26) change from baseline LS mean (SE) 0 -1 p=0.12 *p=0.047 -2 -3 Baseline 3 6 9 12 15 Week CM-101-treated patients experienced decreased pruritus scores across all timepoints compared to placebo *Pruritis assessme

  17. Slide 17: Conclusions and Next Steps

    Conclusions and Next Steps • CM-101 was well tolerated and had a safety profile comparable to placebo • CM-101 demonstrated dose dependent, anti-inflammatory, anti-fibrotic, and anti-cholestatic effects in patients with PSC • In a subgroup of patients with moderate to advanced disease, CM-101 showed

  18. Slide 18: Acknowledgements

    Acknowledgements • We thank the patients, their families, caregivers, the study investigator and research coordinators who participated in this study • Enrolling Spring Study Investigators: Sayed Assem (US) Stephen T Barclay (UK) Nimer Assy (Israel) Udi Zigmond (Israel) Justin Boike (US) Chenchu Ram

  19. Slide 19: Thank You

    Thank You CHEMOMAB THERAPEUTICS 19

Chemomab Therapeutics — AASLD 2024 on 6ix