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Sanofi

ICARIA-MM Study

Study Design

The First Published Phase 3 Trial Evaluating the Safety and Efficacy of an Anti-CD38 Monoclonal Antibody + Pd vs. Pd*,1,2,4 

A prospective, multicentre, randomized, open-label, two-arm, phase 3 study in patients with relapsed and refractory multiple myeloma1,4

A graphic summarizing the inclusion criteria, randomization, and treatment arms of the ICARIA-MM study.
  • SARCLISA® 10 mg/kg was administered as an IV infusion weekly in the first cycle and every 2 weeks thereafter
  • Treatment was administered in both groups in 28-day cycles until disease progression or unacceptable toxicity
  • Pomalidomide 4 mg was taken PO once daily from day 1 to day 21 of each 28-day cycle
  • Dexamethasone (PO or IV) 40 mg (20 mg for patients ≥75 years of age) was given on days 1, 8, 15 and 22 for each 28-day cycle 
  • Please refer to the SARCLISA®, carfilzomib and dexamethasone Product Monographs for full dosing and administration guidelines
A chart representing the dosing and administration schedule of the ICARIA-MM study.

Study Endpoints1,4

Primary Endpoint: Progression-free survival

Key Secondary Endpoints: Overall response rate (sCR, CR, VGPR, PR), overall survival

Select Secondary Endpoints: Time to response, duration of response

*Comparative clinical significance is unknown.

†PFS results were assessed by an IRC based on central laboratory data for M-protein and a central radiologic imaging review using the IMWG criteria.

‡sCR, CR, VGPR and PR were evaluated by an IRC using the IMWG response criteria (2016).

CD38 = cluster of differentiation 38; CR = complete response; IMWG = International Myeloma Working Group; IRC = Independent Response Committee; IV = intravenous; ORR = overall response rate; Pd = pomalidomide and dexamethasone; PFS = progression-free survival; PI = proteasome inhibitor; PO = by mouth; PR = partial response; sCR = stringent complete response; VGPR = very good partial response.

References

  1. PrSARCLISA® Product Monograph. Sanofi Canada. January 12, 2024.
  2. NCCN Clinical Practice Guidelines in Oncology: Multiple Myeloma. Version 1.2022.
  3. Attal M, Richardson PG, Rajkumar SV, et al. Isatuximab plus pomalidomide and low-dose dexamethasone versus pomalidomide and low-dose dexamethasone in patients with relapsed and refractory multiple myeloma (ICARIA-MM): a randomised, multicentre, open-label, phase 3 study. Lancet. 2019;394(10214):2096–2107.

Patient Population1,4

Patient groups were stratified by age (<75 years vs. ≥75 years) and number of previous lines of therapy (2 or 3 vs. >3).

Baseline demographics and patient characteristics of the intention-to-treat population

Adapted from Attal et al. 2019.

Data are median (IQR) or n (%). ISS stage at study entry, not at diagnosis, was used for efficacy assessments.

*Information on race could not be collected in some countries; hence, not all values were available. 

†IgM unknown or undetected.

COPD = chronic obstructive pulmonary disease; eGFR = estimated glomerular filtration rate; IgA = immunoglobulin A; IgG = immunoglobulin G; IgM = immunoglobulin M; IQR = interquartile range; ISS = International Staging System, derived based on the combination of serum β2, macroglobulin and albumin; ORR = overall response rate; Pd = pomalidomide and dexamethasone; PFS = progression-free survival.

References

  1. PrSARCLISA® Product Monograph. Sanofi Canada. January 12, 2024.
  2. Attal M, Richardson PG, Rajkumar SV, et al. Isatuximab plus pomalidomide and low-dose dexamethasone versus pomalidomide and low-dose dexamethasone in patients with relapsed and refractory multiple myeloma (ICARIA-MM): a randomised, multicentre, open-label, phase 3 study. Lancet. 2019;394(10214):2096–2107.

PFS Results1,4

Significantly Prolonged PFS Demonstrated with SARCLISA® + Pd Group vs. Pd Group1,4

A plot of probability of PFS vs. time in the SARCLISA® + Pd and Pd treatment arms.

Adapted from Attal et al. 2019.

PFS results were assessed by an IRC based on central laboratory data for M-protein and a central radiologic imaging review using the IMWG criteria (2016). 

40% reduction in the instantaneous risk of progression or death in the SARCLISA® + Pd group vs. Pd group (HR*=0.596; 95% CI: 0.44–0.81; P=0.001)1,4 

OS was analyzed at a preplanned interim analysis when the primary analyses for PFS and ORR were conducted. OS was not mature at the time of the interim analysis. At the pre-planned primary OS analysis, conducted after 220 events had occurred (median follow-up time of 51.09 months), median OS was estimated to be 24.6 months in the Isa-Pd group and 17.7 months in the Pd group (HR=0.776; 95% CI: 0.594 to 1.015). The results did not achieve statistical significance.


Subgroup analyses based on PFS HR were generally consistent with those of the primary PFS analysis across the pre-defined subgroups, including patients with high-risk cytogenetics, >75 years of age, with ISS stage III at study entry, with baseline creatinine clearance <60 mL/min/1.73 m², with >3 prior lines of therapy, refractory to lenalidomide or proteasome inhibitor, and refractory to lenalidomide at the last line before the study entry.†,1,4

Adapted from Attal et al. 2019.

Subgroup analyses based on PFS HR that did not show significant results were as follows:

Adapted from Attal et al. 2019.

*Stratified by age (<75 years vs. ≥75 years) and number of previous lines of therapy (2 or 3 vs. >3) according to log-rank test. The p-value for PFS was derived based on stratified log-rank test. A predefined hierarchical procedure allows for testing of an endpoint only when the previous one is statistically significant, in the following order: PFS, ORR and OS.

†High-risk cytogenetics is defined as central laboratory cutoff of 50% for del(17p), 30% for t(4;14) and t(14;16).

CI = confidence interval; HR = hazard ratio; IMWG = International Myeloma Working Group; IRC = Independent Response Committee; ISS = International Staging System; MDRD = modification of diet in renal disease; ORR = overall response rate; OS = overall survival; Pd = pomalidomide and dexamethasone; PFS = progression-free survival.

References

  1. PrSARCLISA® Product Monograph. Sanofi Canada. January 12, 2024.
  2. Attal M, Richardson PG, Rajkumar SV, et al. Isatuximab plus pomalidomide and low-dose dexamethasone versus pomalidomide and low-dose dexamethasone in patients with relapsed and refractory multiple myeloma (ICARIA-MM): a randomised, multicentre, open-label, phase 3 study. Lancet. 2019;394(10214):2096–2107.

ORR1,4

ORR Data in SARCLISA® + Pd Group vs. Pd Group

An improvement in ORR was seen in the SARCLISA® + Pd group (60.4%, n=93/154; CI: 0.522–0.682) vs. the Pd group (35.3%, n=54/153; CI: 0.278–0.434, P<0.0001).*

A bar chart summarizing the ORR data from the ICARIA-MM study.

Adapted from Attal et al. 2019.

*sCR, CR, VGPR and PR were evaluated by an IRC using IMWG response criteria (2016).

†95% CI estimated using Clopper-Pearson method.

‡Stratified by age (<75 years vs. ≥75 years) and number of previous lines of therapy (2 or 3 vs. >3) according to interactive response technology. Predefined hierarchical procedure allows for testing of an endpoint only when the previous one is statistically significant, in the following order: PFS, ORR and OS.

CI = confidence interval; CR = complete response; IMWG = International Myeloma Working Group; IRC = Independent Response Committee; ORR = overall response rate; OS = overall survival; Pd = pomalidomide and dexamethasone; PFS = progression-free survival; PR = partial response; sCR = stringent complete response; VGPR = very good partial response.

References

  1. PrSARCLISA® Product Monograph. Sanofi Canada. January 12, 2024.
  2. Attal M, Richardson PG, Rajkumar SV, et al. Isatuximab plus pomalidomide and low-dose dexamethasone versus pomalidomide and low-dose dexamethasone in patients with relapsed and refractory multiple myeloma (ICARIA-MM): a randomised, multicentre, open-label, phase 3 study. Lancet. 2019;394(10214):2096–2107.

Time to Response1,4

The median time to first response was 35 days in the SARCLISA® + Pd group vs. 58 days in the Pd group.

A bar chart showing the median time to first response in patients with a partial response or better in both treatment arms of the ICARIA-MM study.

Adapted from SARCLISA® Product Monograph.

ORR = overall response rate; Pd = pomalidomide and dexamethasone; PFS = progression-free survival.

References

  1. PrSARCLISA® Product Monograph. Sanofi Canada. January 12, 2024.
  2. Attal M, Richardson PG, Rajkumar SV, et al. Isatuximab plus pomalidomide and low-dose dexamethasone versus pomalidomide and low-dose dexamethasone in patients with relapsed and refractory multiple myeloma (ICARIA-MM): a randomised, multicentre, open-label, phase 3 study. Lancet. 2019;394(10214):2096–2107.

Duration of Response1,4

The median duration of response was 13.3 months (95% CI: 10.6–NR) in the SARCLISA® + Pd group vs. 11.0 months (95% CI: 8.5–NR) in the Pd group.

A bar chart showing the median duration of response in both treatment arms of the ICARIA-MM study.

Adapted from SARCLISA® Product Monograph.

CI = confidence interval; NR = not reached; ORR = overall response rate; Pd = pomalidomide and dexamethasone; PFS = progression-free survival.

References

  1. PrSARCLISA® Product Monograph. Sanofi Canada. January 12, 2024.
  2. Attal M, Richardson PG, Rajkumar SV, et al. Isatuximab plus pomalidomide and low-dose dexamethasone versus pomalidomide and low-dose dexamethasone in patients with relapsed and refractory multiple myeloma (ICARIA-MM): a randomised, multicentre, open-label, phase 3 study. Lancet. 2019;394(10214):2096–2107.