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SAR153191

Phase 3

Rheumatoid Arthritis | Small molecule | Immunology |Sanofi|Last Updated: Mar 28, 2022

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment2,055
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01146652Long Term Evaluation of Sarilumab in Rheumatoid Arthritis Patients (SARIL-RA-EXTEND)PHASE3 COMPLETED 2,023Jun 21, 2010Dec 31, 2020Mar 28, 2022335 United States, Argentina +38
NCT01328522Comparison of the Safety and Pharmacokinetics of Two SAR153191 (REGN88) Drug Products in Rheumatoid Arthritis PatientsPHASE1 COMPLETED 32May 1, 2011Sep 1, 2011Oct 24, 20114 United States
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Study Endpoints
Primary Endpoints
Number of Participants With Treatment-Emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
From first dose (i.e., Day 1 of study LTS11210) up to 60 days after last dose (maximum duration: up to 523 weeks)

An adverse event (AE) was any untoward medical occurrence in a clinical study participant administered a medicinal product and which did not necessarily have to have a causal relationship with the treatment. An SAE was any untoward medical occurrence at any dose that: resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in persistent or significant disability/incapacity, was a congenital anomaly/birth defect, was a medically important event. TEAEs were AEs that developed or worsened or became serious during the TEAE period (defined as the time from the first dose of the investigational medicinal product (IMP) in study LTS11210 to the last dose of the IMP +60 days).

Sub-study: Number of Participants Reported Product Technical Complaints (PTC), Product Technical Failures (PTF) and/or Failed Drug Deliveries (FDD) With Pre-filled Syringe With Safety System
From Week 24 to 36

A PTF was defined as any product technical complaint (PTC) related to the use of the PFS-S that had a validated technical cause. FDD was defined as participant's failure to administer the full dose at a given attempt. A PTC was defined as any participant- or healthcare provider-reported complaint regarding the use of the PFS-S syringe and collected via the completion of the injection diary. The injection diary comprised specific questions: 1. Were you able to remove the cap? 2. Was the needle safety system activated?, 3. Did the safety system entirely cover the needle, and 4. Was the person who performed the injection the person who was trained by the site staff?, where each question was given the option yes/no. Participants who answered "no" for any of the questions of PTC, had PTF and/or FDD were reported in this outcome measure.

Sub-study: Number of Product Technical Complaints - Product Technical Failures With Pre-filled Syringe With Safety System
From Week 24 to 36

A PTF was defined as any PTC (defined as any participant- or healthcare provider-reported complaint regarding the use of the PFS-S syringe and collected via the completion of the injection diary) related to the use of the PFS-S that had a validated technical cause. Number of PTF in the participants enrolled in sub-study were reported in this outcome measure.

Sub-study: Number of Failed Drug Deliveries Associated With Pre-filled Syringe With Safety System
From Week 24 to 36

FDD was defined as participant's failure to administer the full dose at a given attempt. Number of FDD in the participants enrolled in sub-study were reported in this outcome measure.

Sub-study: Number of Product Technical Complaints With Pre-filled Syringe With Safety System
From Week 24 to 36

A PTC was defined as any participant- or healthcare provider-reported complaint regarding the use of the PFS-S syringe and collected via the completion of the injection diary. The injection diary comprised specific questions: 1. Were you able to remove the cap? 2. Was the needle safety system activated?, 3. Did the safety system entirely cover the needle, and 4. Was the person who performed the injection the person who was trained by the site staff?, where each question was given the option yes/no. Number of PTC (based on participant's answer to "no" for any of the questions of PTC) in the participants enrolled in sub-study were reported in this outcome measure.

Occurrence of potentially clinically significant abnormalities in clinical laboratory test results
5 weeks
Occurrence of Adverse Events
5 weeks
Secondary Endpoints
Percentage of Participants Achieving American College of Rheumatology 20 (ACR20) Response
At Week 0 (post-dose), 4, 8, 12, 24, 36, 48, 60, 72, 84, 96, 120, 144, 168, 192, 216, 240 and 264 of LTS11210
Percentage of Participants Achieving American College of Rheumatology 50 (ACR50) Response
At Week 0 (post-dose), 4, 8, 12, 24, 36, 48, 60, 72, 84, 96, 120, 144, 168, 192, 216, 240 and 264 of LTS11210
Percentage of Participants Achieving American College of Rheumatology 70 (ACR70) Response
At Week 0 (post-dose), 4, 8, 12, 24, 36, 48, 60, 72, 84, 96, 120, 144, 168, 192, 216, 240 and 264 of LTS11210
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Sarilumab + Disease Modifying Anti-Rheumatic Drugs (DMARD)EXPERIMENTALParticipants who completed any of initial studies:Part A or B of EFC11072, ACT11575, EFC10832 or SFY13370 were enrolled in LTS11210 and received sarilumab 150 milligrams (mg) subcutaneously (SC) once weekly (qw). Dose could be reduced to 150 mg every 2 weeks (q2w) due to neutropenia, thrombocytopenia or increase in liver enzymes (alanine aminotransferase \[ALT\]). After dose regimens selection for Phase 3 studies (150 mg q2w and 200 mg q2w), participants already receiving 150 mg qw were switched to sarilumab 200 mg q2w. Treatment duration per participant was at least 264 weeks from first study drug administration in LTS11210. Participants continued to be treated beyond 264 weeks until sarilumab was commercially available in their respective countries or until 2020, at the latest (maximum duration: 523 weeks). Participants who were already taking concomitant non-biologic DMARDs in initial study continued stable dose of one or combination of conventional synthetic DMARDs they were taking.
Sarilumab monotherapyEXPERIMENTALParticipants who completed study EFC13752 were enrolled in LTS11210 and received sarilumab 200 mg q2w. Dose could be reduced to 150 mg q2w due to neutropenia, thrombocytopenia or increase in liver enzymes (ALT). Treatment duration per participant was at least 264 weeks from first study drug administration in LTS11210. Participants continued to be treated beyond 264 weeks until sarilumab was commercially available in their respective countries or until 2020, at the latest (maximum duration: 523 weeks).
SAR153191 drug product 1EXPERIMENTALSAR153191 drug product 1 in a single injection. Methotrexate (stable dose) and folic/folinic acid are continued as background therapy.
SAR153191 drug product 2EXPERIMENTALSAR153191 drug product 2 in a single injection. Methotrexate (stable dose) and folic/folinic acid are continued as background therapy.
Interventions
NameTypeDescription
SAR153191 (REGN88)DRUGPharmaceutical form: solution Route of administration: subcutaneous
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites335

Inclusion criteria : Main study: Participants with RA who were previously randomized in the sarilumab RA clinical program: e.g., the EFC11072 study, ACT11575 study, EFC10832 study, SFY13370, and EFC13752 study. Sub-study: Participants enrolled in the LTS11210 study who were receiving either sari...

Countries:United StatesArgentinaAustraliaAustriaBelarusBelgiumBrazilCanadaChileColombiaCzechiaEcuadorEstoniaFinlandGermanyGreeceGuatemalaHungaryIsraelItalyLithuaniaMalaysiaMexicoNetherlandsNew ZealandPeruPhilippinesPolandPortugalRomaniaRussiaSouth AfricaSouth KoreaSpainSwedenTaiwanThailandTurkey (Türkiye)UkraineUnited Kingdom
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