MedPath

Isatuximab in Combination With Lenalidomide and Dexamethasone in High-risk Smoldering Multiple Myeloma

Registration Number
NCT04270409
Lead Sponsor
Sanofi
Brief Summary

Primary Objectives:

* Safety run-in Part: To confirm the recommended dose of isatuximab when combined with lenalidomide and dexamethasone in participants with high-risk smoldering multiple myeloma (SMM)

* Randomized Phase 3 Part: To demonstrate the clinical benefit of isatuximab in combination with lenalidomide and dexamethasone in the prolongation of progression-free survival when compared to lenalidomide and dexamethasone in subjects with high-risk SMM

Secondary Objectives:

Safety run-in Part:

* To assess overall response rate (ORR)

* To assess duration of response (DOR)

* To assess minimal residual disease (MRD) negativity in participants achieving very good partial response (VGPR) or complete response (CR)

* To assess time to diagnostic (SLiM CRAB) progression or death

* To assess time to first-line treatment for multiple myeloma (MM)

* To assess the potential immunogenicity of isatuximab

* Impact of abnormal chromosomal subtype on participant outcome

Randomized Phase 3 Part:

Key Secondary Objectives:

To compare between the arms

* MRD negativity

* Sustained MRD negativity

* Second progression-free survival (PFS2)

* Overall survival

Other Secondary Objectives:

To evaluate in both arms

* CR rate

* ORR

* DOR

* Time to diagnostic (SLiM CRAB) progression

* Time to biochemical progression

* Time to first-line treatment for MM

* Impact of abnormal chromosomal subtype on participant outcome

* Safety and tolerability

* Pharmacokinetics (PK)

* Potential of isatuximab immunogenicity

* Clinical outcome assessments (COAs)

Detailed Description

Study duration is expected to be approximately 12 years, including a 42-day screening period, followed by an up to 36-month treatment period, and a follow-up period of approximately 9 years.

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
337
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Isatuximab, lenalidomide, and dexamethasone (ILd)Montelukast or equivalentParticipants will receive isatuximab \[intravenous (IV) administration\] in combination with lenalidomide \[per os (PO) administration\] and dexamethasone \[IV on Day 1 of Cycle 1 for participants receiving isatuximab IV only and PO otherwise for subsequent cycles\] for 24 cycles followed by isatuximab monotherapy for 12 cycles for a total duration of 36 cycles. 1 cycle = 28 days. Participants may receive other treatments as pre-medication.
Isatuximab, lenalidomide, and dexamethasone (ILd)DexamethasoneParticipants will receive isatuximab \[intravenous (IV) administration\] in combination with lenalidomide \[per os (PO) administration\] and dexamethasone \[IV on Day 1 of Cycle 1 for participants receiving isatuximab IV only and PO otherwise for subsequent cycles\] for 24 cycles followed by isatuximab monotherapy for 12 cycles for a total duration of 36 cycles. 1 cycle = 28 days. Participants may receive other treatments as pre-medication.
Isatuximab, lenalidomide, and dexamethasone (ILd)Isatuximab SAR650984Participants will receive isatuximab \[intravenous (IV) administration\] in combination with lenalidomide \[per os (PO) administration\] and dexamethasone \[IV on Day 1 of Cycle 1 for participants receiving isatuximab IV only and PO otherwise for subsequent cycles\] for 24 cycles followed by isatuximab monotherapy for 12 cycles for a total duration of 36 cycles. 1 cycle = 28 days. Participants may receive other treatments as pre-medication.
Isatuximab, lenalidomide, and dexamethasone (ILd)LenalidomideParticipants will receive isatuximab \[intravenous (IV) administration\] in combination with lenalidomide \[per os (PO) administration\] and dexamethasone \[IV on Day 1 of Cycle 1 for participants receiving isatuximab IV only and PO otherwise for subsequent cycles\] for 24 cycles followed by isatuximab monotherapy for 12 cycles for a total duration of 36 cycles. 1 cycle = 28 days. Participants may receive other treatments as pre-medication.
Isatuximab, lenalidomide, and dexamethasone (ILd)AcetaminophenParticipants will receive isatuximab \[intravenous (IV) administration\] in combination with lenalidomide \[per os (PO) administration\] and dexamethasone \[IV on Day 1 of Cycle 1 for participants receiving isatuximab IV only and PO otherwise for subsequent cycles\] for 24 cycles followed by isatuximab monotherapy for 12 cycles for a total duration of 36 cycles. 1 cycle = 28 days. Participants may receive other treatments as pre-medication.
Isatuximab, lenalidomide, and dexamethasone (ILd)Diphenhydramine or equivalentParticipants will receive isatuximab \[intravenous (IV) administration\] in combination with lenalidomide \[per os (PO) administration\] and dexamethasone \[IV on Day 1 of Cycle 1 for participants receiving isatuximab IV only and PO otherwise for subsequent cycles\] for 24 cycles followed by isatuximab monotherapy for 12 cycles for a total duration of 36 cycles. 1 cycle = 28 days. Participants may receive other treatments as pre-medication.
Isatuximab, lenalidomide, and dexamethasone (ILd)Methylprednisolone or equivalentParticipants will receive isatuximab \[intravenous (IV) administration\] in combination with lenalidomide \[per os (PO) administration\] and dexamethasone \[IV on Day 1 of Cycle 1 for participants receiving isatuximab IV only and PO otherwise for subsequent cycles\] for 24 cycles followed by isatuximab monotherapy for 12 cycles for a total duration of 36 cycles. 1 cycle = 28 days. Participants may receive other treatments as pre-medication.
Lenalidomide and dexamethasone (Ld)LenalidomideLenalidomide \[PO administration\] in combination with dexamethasone \[PO administration\] for 24 cycles. 1 cycle = 28 days
Lenalidomide and dexamethasone (Ld)DexamethasoneLenalidomide \[PO administration\] in combination with dexamethasone \[PO administration\] for 24 cycles. 1 cycle = 28 days
Primary Outcome Measures
NameTimeMethod
Number of participants with Treatment-emergent adverse events (AEs) and serious adverse events- Safety Run-in PartUp to approximately 63 months
Plasma concentration of isatuximab during the treatment period - Safety Run-in PartAfter first infusion from Cycle 1 Day 1 to Day 28 in safety run-in part
Receptor density/receptor occupancy Safety Run-in PartBaseline to Cycle 2 Day 1 (each cycle is 28 days)

Change in CD38 receptor occupancy from baseline

Progression-free survival (PFS) Randomized Phase 3 PartUp to approximately 114 months

PFS defined as the time from randomization to MM (SLiM CRAB criteria) or other related conditions based on independent review committee (IRC) assessment according to 2014 International Myeloma Working Group (IMWG) criteria or death from any cause, whichever happens first

Secondary Outcome Measures
NameTimeMethod
Overall Response Rate (ORR)- Safety Run-in PartUp to approximately 63 months

ORR defined as the proportion of participants with best overall response (BOR) recorded as partial response (PR) or better according to 2016 IMWG criteria

Duration of Response (DOR) - Safety Run-in PartUp to approximately 63 months

DOR defined as the time from the date of the first response to date of first progressive disease (PD) or death, whichever happens first.

Minimal residual disease (MRD) negativity -Safety Run-in PartUp to approximately 36 months

MRD negativity defined as the proportion of participants for whom MRD is negative in participants achieving very good partial response (VGPR) or above.

Time to diagnostic (SLiM CRAB) progression or death - Safety Run-in PartUp to approximately 63 months

Time to diagnostic (SLiM CRAB) progression or death defined as the time from the date of the first study intervention administration to diagnosis of SLiM CRAB or other related conditions progression or death from any cause, whichever happens first.

Time to first-line treatment for multiple myeloma (MM) - Safety Run-in PartUp to approximately 63 months

Time to first-line treatment for MM defined as the time from the date of the first study intervention administration to first-line treatment for MM.

Number of participants with anti-drug antibodies (ADA) against isatuximab- Safety Run-in PartUp to approximately 63 months
PFS in participants with chromosomal abnormalities - Safety Run-In PartUp to approximately 63 months

Association of chromosomal abnormalities with survival outcomes

Overall Survival (OS) in participants with chromosomal abnormalities - Safety Run-In PartUp to approximately 63 months

Association of chromosomal abnormalities with survival outcomes

Minimal residual disease (MRD) negativity - Randomized Phase 3 PartUp to approximately 36 months

MRD negativity defined as the proportion Number of participants for whom MRD is negative in participants achieving VGPR or above.

Sustained MRD negativity - Randomized Phase 3 PartUp to approximately 36 months

Sustained MRD negativity defined as the proportion of participants for whom MRD is negative during a minimum period of one year.

Second PFS (PFS2) - Randomized Phase 3 PartUp to approximately 144 months

PFS2 defined as the time from the date of randomization to the date of first documentation of PD (as reported by the Investigator) after initiation of further treatment for MM or the date of death from any cause, whichever happens first

OS - Randomized Phase 3 PartUp to approximately 114 months

OS defined as the time from date of randomization to death from any cause.

Complete response (CR) rate - Randomized Phase 3 PartUp to approximately 114 months

Percentage of participants with a CR (or better \[stringent CR (sCR)\]) as defined by 2016 IMWG response criteria, assessed by an IRC based on central laboratory values.

Overall Response Rate (ORR) - Randomized Phase 3 PartUp to approximately 114 months

ORR is defined as the proportion of participants with BOR recorded as PR or better according to the 2016 IMWG criteria, assessed by an IRC based on central laboratory values.

Duration of response (DOR) - Randomized Phase 3 PartUp to approximately 114 months

DOR is defined as the time from the date of the first IRC determined response to the date of first IRC PD, or death, whichever happens first.

Time to diagnostic (SLiM CRAB) progression - Randomized Phase 3 PartUp to approximately 114 months

Time to diagnostic (SLiM CRAB) progression defined as the time from randomization to the date of diagnosis of SLiM CRAB progression based on IRC assessment.

Time to biochemical progression - Randomized Phase 3 PartUp to approximately 114 months

Time to biochemical progression defined as the time from randomization to the date of biochemical progression based on IRC assessment.

Time to first-line treatment for MM- Randomized Phase 3 PartUp to approximately 144 months

Time to first-line treatment for MM defined as the time from randomization to first-line treatment for MM

PFS in participants with chromosomal abnormalities - Randomized Phase 3 PartUp to approximately 114 months

Association of chromosomal abnormalities with survival outcomes.

OS in participants with chromosomal abnormalities - Randomized Phase 3 PartUp to approximately 144 months

Association of chromosomal abnormalities with survival outcomes.

Number of participants with Treatment-emergent adverse events (AEs) and serious adverse events - Randomized Phase 3 PartUp to approximately 144 months
Plasma concentration of isatuximab (Ctrough)- Safety Run-in and Randomized Phase 3 PartBaseline to Cycle 2 Day 1 (each cycle is 28 days)

Ctrough defined as concentration observed just before treatment administration during repeated dosing after IV administration

Concentration observed at the end of intravenous infusion.(Ceoi)- Safety Run-in PartDay 1 of Cycle 1 to 4
Number of participants with Incidence of anti-drug antibodies (ADA) against isatuximab- Randomized Phase 3 PartUp to approximately 144 months
European Organization for Research and Treatment of Cancer (EORTC) QLQ-C30 - Randomized Phase 3 PartBaseline to follow-up (up to approximately 114 months)

The EORTC Multiple Myeloma Module (QLQ-C30) will be used to assess cancer-specific health related quality of life (HRQL), disease and treatment related symptoms and impact of symptoms. Mean change from baseline scores will be assessed, with responses ranging from 1=not at all to 4=very much or 1=very poor to 7=excellent; higher scores represent a better level of physical functioning

EORTC QLQ-MY20 - Randomized Phase 3 PartBaseline to follow-up (up to approximately 114 months)

The EORTC Multiple Myeloma Module (QLQ-MY20) will be used to measure myeloma-specific HRQL, disease and treatment related symptoms and impact of symptoms. Mean change from baseline in scores will be assessed using a 4-point scale, with responses ranging from 1=not at all to 4=very much; higher scores represent better perspectives of the future and higher level of symptomatology

EQ-5D-5L - Randomized Phase 3 PartBaseline to follow-up (up to approximately 114 months)

The EQ-5D-5L will be used to assess health status and health utility. Mean change from baseline scores will be assessed from 5 items, with responses ranging from 'no' to 'extreme problems'; health state utility values (HSUVs) are generated by multiplying the item scores by country specific value sets; health status is assessed via a VAS; higher scores = higher HSUV/health status

Randomized Phase 3: HRUPQ - Randomized Phase 3 PartBaseline to follow-up (up to approximately 114 months)

Mean change from baseline in Health resource utilization and productivity questionnaire (HRUPQ) scores. HRUPQ will assess health care resource utilization of HRSM and the impact of high risk smoldering multiple myeloma (HRSMM) on employment/work; higher scores = greater impact on work/productivity, resources.

Patient's Qualitative Assessment of Treatment Version 2 (PQAT-v2) - Randomized Phase 3 PartEnd of treatment (up to approximately 3 year)

PQAT-v2 will be used to assess participant-perceived advantages and disadvantages of treatment. Patient's qualitative assessment of treatment will be assessed using a 10 point VAS/NRS scale with response anchors of 'not beneficial at all' to 'extremely beneficial'; higher scores represent greater patient-perceived benefits of treatment

Trial Locations

Locations (105)

Investigational Site Number :0360008

🇦🇺

Liverpool, New South Wales, Australia

Investigational Site Number :3920001

🇯🇵

Shibuya-ku, Tokyo, Japan

Investigational Site Number :4400001

🇱🇹

Vilnius, Lithuania

Investigational Site Number :3720001

🇮🇪

Dublin 9, Dublin, Ireland

Investigational Site Number :2080002

🇩🇰

Roskilde, Denmark

Investigational Site Number :3800003

🇮🇹

Bologna, Italy

Investigational Site Number :3760006

🇮🇱

Ramat Gan, Israel

Investigational Site Number :0360007

🇦🇺

Heidelberg West, Victoria, Australia

Investigational Site Number : 7920005

🇹🇷

Ankara, Turkey

Investigational Site Number : 7920001

🇹🇷

Ankara, Turkey

Investigational Site Number : 7920004

🇹🇷

Istanbul, Turkey

Investigational Site Number :8260003

🇬🇧

London, London, City Of, United Kingdom

Investigational Site Number :8260001

🇬🇧

Leicester, United Kingdom

Investigational Site Number :1560001

🇨🇳

Tianjin, China

Investigational Site Number :1240004

🇨🇦

Edmonton, Alberta, Canada

Investigational Site Number :1240001

🇨🇦

Montreal, Quebec, Canada

Investigational Site Number :1240005

🇨🇦

Moncton, New Brunswick, Canada

~University of Texas - MD Anderson Cancer Center Site Number : 8400002

🇺🇸

Houston, Texas, United States

Investigational Site Number :1560005

🇨🇳

Shenyang, China

Investigational Site Number :0360006

🇦🇺

Nedlands, Western Australia, Australia

Investigational Site Number :2080003

🇩🇰

Aarhus N, Denmark

Investigational Site Number :0760002

🇧🇷

Sao Paulo, São Paulo, Brazil

Investigational Site Number :3720003

🇮🇪

Dublin 7, Dublin, Ireland

Investigational Site Number :3480002

🇭🇺

Debrecen, Hungary

Investigational Site Number :3000001

🇬🇷

Athens, Greece

Investigational Site Number :1560006

🇨🇳

Nanchang, China

Investigational Site Number :3800002

🇮🇹

Terni, Italy

Investigational Site Number :2500005

🇫🇷

Paris, France

Investigational Site Number :2760001

🇩🇪

Hamburg, Germany

Investigational Site Number : 2030004

🇨🇿

Brno, Czechia

Investigational Site Number :3760004

🇮🇱

Ashdod, Israel

Investigational Site Number :3920002

🇯🇵

Nagoya-shi, Aichi, Japan

Investigational Site Number :1560002

🇨🇳

Hangzhou, China

Investigational Site Number :0360004

🇦🇺

Richmond, Victoria, Australia

Investigational Site Number :2500009

🇫🇷

Ars-Laquenexy, France

Investigational Site Number : 2030005

🇨🇿

Hradec Kralove, Czechia

Investigational Site Number : 2030001

🇨🇿

Praha 2, Czechia

Investigational Site Number :3480004

🇭🇺

Kaposvár, Hungary

Investigational Site Number :1560003

🇨🇳

Hangzhou, China

Investigational Site Number :3920003

🇯🇵

Okayama-shi, Okayama, Japan

Investigational Site Number :3480001

🇭🇺

Budapest, Hungary

Investigational Site Number :2500007

🇫🇷

GRENOBLE Cedex 9, France

Investigational Site Number :2080001

🇩🇰

Aalborg, Denmark

Investigational Site Number :4100002

🇰🇷

Seoul, Korea, Republic of

Investigational Site Number : 2030003

🇨🇿

Ostrava - Poruba, Czechia

Investigational Site Number :2500002

🇫🇷

Poitiers Cedex, France

Investigational Site Number :3760001

🇮🇱

Jerusalem, Israel

Investigational Site Number :2080005

🇩🇰

Copenhagen, Denmark

Investigational Site Number :3760002

🇮🇱

Jerusalem, Israel

Investigational Site Number :3800005

🇮🇹

Ancona, Italy

Investigational Site Number :3720002

🇮🇪

Dublin 8, Dublin, Ireland

Investigational Site Number :3800006

🇮🇹

Meldola, Forlì-Cesena, Italy

Investigational Site Number :3760005

🇮🇱

Petah-Tikva, Israel

Investigational Site Number :2500003

🇫🇷

Lille, France

UCLA Site Number : 8400010

🇺🇸

Los Angeles, California, United States

Colorado Blood Cancer Institute Site Number : 8400007

🇺🇸

Denver, Colorado, United States

University of Miami Site Number : 8400012

🇺🇸

Miami, Florida, United States

Cancer Specialist of North Florida Site Number : 8400011

🇺🇸

Jacksonville, Florida, United States

Novant Health Forsyth Medical Center Site Number : 8401015

🇺🇸

Winston-Salem, North Carolina, United States

Tennessee Oncology Site Number : 8400006

🇺🇸

Nashville, Tennessee, United States

Dana Farber Cancer Institute Site Number : 8400001

🇺🇸

Boston, Massachusetts, United States

Presbyterian Hospital Site Number : 8400015

🇺🇸

Charlotte, North Carolina, United States

Investigational Site Number :0360005

🇦🇺

Waratah, New South Wales, Australia

Investigational Site Number :0360002

🇦🇺

Fitzroy, Victoria, Australia

Investigational Site Number :0360001

🇦🇺

Wollongong, New South Wales, Australia

Investigational Site Number :1560004

🇨🇳

Shanghai, China

Investigational Site Number :2500006

🇫🇷

La Roche sur Yon, France

Investigational Site Number :2500001

🇫🇷

RENNES Cedex 09, France

Investigational Site Number :2500011

🇫🇷

Paris, France

Investigational Site Number :2760002

🇩🇪

Heidelberg, Germany

Investigational Site Number :3000002

🇬🇷

Athens, Greece

Investigational Site Number :3480003

🇭🇺

Budapest, Hungary

Investigational Site Number :3000003

🇬🇷

Thessaloniki, Greece

Investigational Site Number :3800001

🇮🇹

Rozzano, Milano, Italy

Investigational Site Number :3920006

🇯🇵

Kamogawa-shi, Chiba, Japan

Investigational Site Number :3920008

🇯🇵

Maebashi-shi, Gunma, Japan

Investigational Site Number :3920009

🇯🇵

Sunto-gun, Shizuoka, Japan

Investigational Site Number :3920005

🇯🇵

Higashiibaraki-gun, Ibaraki, Japan

Investigational Site Number :4100003

🇰🇷

Seoul, Seoul-teukbyeolsi, Korea, Republic of

Investigational Site Number :4100004

🇰🇷

Gangnam-gu, Seoul-teukbyeolsi, Korea, Republic of

Investigational Site Number :4100001

🇰🇷

Seoul, Seoul-teukbyeolsi, Korea, Republic of

Investigational Site Number :5780001

🇳🇴

Oslo, Norway

Investigational Site Number :5540004

🇳🇿

Christchurch, Canterbury, New Zealand

Investigational Site Number :5780002

🇳🇴

Bergen, Norway

Investigational Site Number :5540001

🇳🇿

Hamilton, Waikato, New Zealand

Investigational Site Number :6160002

🇵🇱

Lodz, Lódzkie, Poland

Investigational Site Number :6160008

🇵🇱

Gdansk, Pomorskie, Poland

Investigational Site Number :6160006

🇵🇱

Bydgoszcz, Kujawsko-pomorskie, Poland

Investigational Site Number :6160005

🇵🇱

Chorzow, Slaskie, Poland

Investigational Site Number :7240004

🇪🇸

Barcelona, Barcelona [Barcelona], Spain

Investigational Site Number :7240001

🇪🇸

Barcelona, Barcelona [Barcelona], Spain

Investigational Site Number :7240006

🇪🇸

Pamplona, Navarra, Spain

Investigational Site Number :7240005

🇪🇸

Madrid, Spain

Investigational Site Number :7240002

🇪🇸

Valencia, Valenciana, Comunidad, Spain

Investigational Site Number :7520001

🇸🇪

Göteborg, Sweden

Investigational Site Number :7240003

🇪🇸

Zaragoza, Spain

Investigational Site Number :7240007

🇪🇸

Salamanca, Spain

Investigational Site Number :7520003

🇸🇪

Helsingborg, Sweden

Investigational Site Number : 7920002

🇹🇷

Istanbul, Turkey

Investigational Site Number : 7920003

🇹🇷

Izmir, Turkey

Investigational Site Number :8260002

🇬🇧

Bournemouth, Hampshire, United Kingdom

Investigational Site Number :8260004

🇬🇧

Southampton, United Kingdom

Investigational Site Number : 2030002

🇨🇿

Olomouc, Czechia

Investigational Site Number :2500010

🇫🇷

Bayonne, France

Investigational Site Number :3760003

🇮🇱

Tel Aviv, Israel

© Copyright 2025. All Rights Reserved by MedPath