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Iscalimab

Phase 2

Sjogren's Syndrome | Small molecule | Other |Novartis AG|Last Updated: Oct 16, 2025

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
Double-BlindCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment206
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04541589Study of Safety and Tolerability of CFZ533 in Patients With Sjögren's SyndromePHASE2 COMPLETED 206Jan 5, 2021Aug 19, 2024Oct 16, 202562 United States, Argentina +21
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Study Endpoints
Primary Endpoints
Number of Participants With Treatment-emergent Adverse Events (TEAEs)
From start of extension study up to 14 weeks after last study-drug administration or end of study (whichever occurred earlier), assessed up to approximately 60 weeks

An AE was defined as any untoward medical occurrence (e.g., any unfavorable and unintended sign \[including abnormal laboratory findings\], symptom or disease) in a participant. TEAE included all AEs up to the last dose date plus 14 weeks or the end of the entire study (including the safety follow-up period), whichever occurred earlier. A patient with multiple severity ratings for an AE was only counted under the maximum rating. Additionally, a patient with multiple occurrences of an event was counted only once. The severity of AEs was assessed using the Common Terminology Criteria for Adverse Events, with the following grading system: Mild: usually transient in nature and generally not interfering with normal activities; Moderate: sufficiently discomforting to interfere with normal activities; Severe: prevented normal activities. A serious adverse event (SAE) was defined as any AE that required medical intervention, hospitalization, or results in death, disability, or a birth defect.

Secondary Endpoints
Free Iscalimab Concentration in Plasma
Predose at Day 1, 113, 225, 337 and 421
Incidence of Anti-iscalimab Antibodies in Plasma
60 weeks
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm 1: Iscalimab 600 mgEXPERIMENTALParticipants received 600 mg (2 injections of 300 mg/2 mL) of iscalimab subcutaneously weekly for the initial 3 weeks as loading doses, followed by a bi-weekly maintenance regimen at 600 mg (2 injections of 300 mg/2 mL).
Arm 2 - Iscalimab 300 mgEXPERIMENTALParticipants received one dose of 600 mg (2 injections of 300 mg/2 mL) of iscalimab subcutaneously on the first day of the extension study; then 300 mg weekly (1 injection of 300 mg/2 mL of iscalimab and 1 injection of 2 mL of placebo) for the next 2 weeks as loading doses. This was followed by a bi-weekly maintenance regimen of 300 mg (1 injection of 300 mg/2 mL of iscalimab and 1 injection of 2 mL of placebo). After the final database lock of the core study, participants underwent unblinding, leading to the discontinuation of placebo injections.
Interventions
NameTypeDescription
IscalimabDRUGIscalimab 600 mg or 300 mg was administered subcutaneously weekly for the first 3 weeks. Subsequently, iscalimab was administered subcutaneously bi-weekly (every other week or Q2W).
PlaceboOTHERPlacebo (1 injection of 2 ml) administered to participants in the iscalimab 300 mg arm to maintain blinding until the final database lock of the core study
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Eligibility Criteria
Age Range18 Years — 99 Years
SexALL
Healthy VolunteersNo
Study Sites62

Inclusion Criteria: 1. Participants had to have participated in the TWINSS core study, CCFZ533B2201 (NCT03905525), and had to have completed the entire treatment period up to Week 48 and the follow-up period up to Week 60. 2. Signed informed consent had to be obtained prior to participation in the ...

Countries:United StatesArgentinaAustraliaAustriaBrazilCanadaChileColombiaFranceGermanyGreeceHungaryIsraelItalyJapanNetherlandsPortugalRomaniaRussiaSouth KoreaSwedenTurkey (Türkiye)United Kingdom
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