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Arumakimig

Phase 2

VEXAS Syndrome | Small molecule | Other |Novartis AG|Last Updated: Aug 6, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment120

FDA Designations

No designations recorded

Clinical trial landscape

Arumakimig · 1 trial · 1 indication

Phase 2 1
NCT07748624A 52-Week Study Evaluating the Efficacy and Safety of Arumakimig (MAS825) in Participants With VEXAS Followed by Open-Label Extension (OLE) PeriodVEXAS Syndrome
NOT YET_RECRUITING120 Analytics
PHASE2NOT YET_RECRUITING
A 52-Week Study Evaluating the Efficacy and Safety of Arumakimig (MAS825) in Participants With VEXAS Followed by Open-Label Extension (OLE) Period
VEXAS SyndromeUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of participants achieving improvement of key VEXAS manifestations and oral glucocorticoid (GC) reduction at Week 52
From baseline up to Week 52

Response is defined as meeting both criteria: A) Clinical domain: In participants with clinical disease activity in any domain at baseline, complete resolution of clinical manifestations related to active disease in at least one affected domain. In participants with no clinical disease activity in any domain at baseline, continued absence of clinical manifestations in all domains at Week 52. AND B) Protocol-defined glucocorticoid reduction through 52 weeks.

Secondary Endpoints

Number of participants achieving Overall Clinical Response (OCR) at Week 52
From baseline up to Week 52
Number of participants achieving resolution of VEXAS manifestations
From baseline up to Week 52
Number of participants with oral glucocorticoid reduction
From baseline up to Week 52
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ArumakimigEXPERIMENTALArumakimig from Day 1 to Week 52 during the double-blind period. Eligible participants may then continue into an open-label extension and receive arumakimig through Week 156.
PlaceboPLACEBO_COMPARATORPlacebo from Day 1 to Week 52 during the double-blind period. Eligible participants may then continue into an open-label extension and receive arumakimig through Week 156.

Interventions

NameTypeDescription
ArumakimigDRUGArumakimig Injection
PlaceboDRUGPlacebo Injection
Oral glucocorticoidsDRUGBackground therapy with glucocorticoids. After the first 2 weeks of the study, participants may begin with glucocorticoid tapering depending on the disease status and the Investigator's judgement.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Male and female participants aged ≥18 years at screening. * Somatic mutation in UBA1 gene known to be associated with VEXAS. * Participants must have at least two manifestations of VEXAS at screening or in the past 6 months. * Participants must be able to start treatment for P...

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Recent Changes (Last 90 Days)

LOWAug 6, 2026NCT07748624NEW_TRIAL: changed
LOWAug 6, 2026NCT07748624NEW_TRIAL: changed

Frequently asked questions about Arumakimig

What is Arumakimig used for?

Arumakimig is an investigational small molecule being developed for the treatment of VEXAS Syndrome, a rare autoinflammatory disease. It is currently in Phase 2 clinical development and has not been approved by regulatory authorities.

Who makes Arumakimig?

Arumakimig is being developed by Novartis AG, a multinational pharmaceutical company. Novartis is listed on the stock exchange under the ticker symbol NVS.

What phase is Arumakimig in?

Arumakimig is currently in Phase 2 clinical development. It is an investigational drug and has not yet been approved for commercial use. The ongoing Phase 2 trial is designed to evaluate its efficacy and safety in patients with VEXAS Syndrome.

What clinical trials is Arumakimig in?

Arumakimig is being studied in a Phase 2 clinical trial registered as NCT07748624. This is a 52-week, randomized, double-blind, placebo-controlled study evaluating the efficacy and safety of Arumakimig in participants with VEXAS Syndrome, followed by an open-label extension period. The trial plans to enroll 120 participants.

Is Arumakimig the same as MAS825?

Yes, Arumakimig is also known as MAS825. The clinical trial NCT07748624 refers to the drug as Arumakimig (MAS825), indicating that both names are used for the same investigational compound.