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Decartes-08

Phase 3

Myasthaenia Gravis | Monoclonal antibody | Neurology |Cartesian Therapeutics, Inc.|Last Updated: Sep 1, 2026

Target and mechanism

Molecular targetBCMA
ModalityMonoclonal antibody

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment128

FDA Designations

No designations recorded

Clinical trial landscape

Decartes-08 · 1 trial · 1 indication

Phase 3 1
NCT06799247Investigating an mRNA CAR T-cell Therapy, Known as Descartes-08, as a Potential Approach to Treat Myasthenia GravisMyasthaenia Gravis
ACTIVE NOT_RECRUITING128 Analytics
PHASE3ACTIVE NOT_RECRUITING
Investigating an mRNA CAR T-cell Therapy, Known as Descartes-08, as a Potential Approach to Treat Myasthenia Gravis
Myasthaenia GravisUnlock trial analytics

Study Endpoints

Primary Endpoints

Myasthenia Gravis Activities of Daily Living (MG-ADL)
assessment at 4 months of study

To evaluate the efficacy of Descartes-08 as assessed by the proportion of Myasthenia Gravis Activities of Daily Living (MG-ADL) responders at Month 4.

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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelCROSSOVER
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Decartes-08EXPERIMENTALThis group will undergo leukapheresis and receive manufactured Decartes-08
PlaceboPLACEBO_COMPARATORThis group will receive placebo

Interventions

NameTypeDescription
Decartes-08BIOLOGICALAutologous mRNA CAR T-cell therapy
Placebo DrugOTHERinfusion without Decartes-08
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites34

Inclusion Criteria: * Patient must be at least 18 years of age. * Patient must have generalized myasthenia gravis (gMG), Myasthenia Gravis Foundation of America (MGFA) clinical classification grades 2-4 at the time of Sscreening. * MG-Activities of Daily Living (MG ADL) total score ≥ 6. * Concomita...

Countries:United StatesCanadaItalyPolandSerbiaSpainTurkey (Türkiye)United Kingdom
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Recent Changes (Last 90 Days)

MEDIUMSep 1, 2026NCT06799247Status: RECRUITING → ACTIVE_NOT_RECRUITING
MEDIUMSep 1, 2026NCT06799247Status: RECRUITING → ACTIVE_NOT_RECRUITING

Frequently asked questions about Decartes-08

What is Descartes-08 used for in Myasthenia Gravis?

Descartes-08 is an investigational mRNA CAR T-cell therapy being studied for the treatment of Myasthenia Gravis, a neurological autoimmune disorder. It is currently in Phase 3 clinical development and is not yet approved by regulatory authorities.

What does Descartes-08 target?

Descartes-08 targets BCMA, a protein found on plasma cells. By directing CAR T-cells against BCMA, the therapy aims to deplete the antibody-producing cells implicated in Myasthenia Gravis, potentially reducing the autoimmune attack on the neuromuscular junction.

Who makes Descartes-08?

Descartes-08 is being developed by Cartesian Therapeutics, Inc., a biopharmaceutical company publicly traded under the ticker symbol RNAC. The company is conducting clinical trials to evaluate the therapy's safety and efficacy in patients with Myasthenia Gravis.

What phase is Descartes-08 in?

Descartes-08 is currently in Phase 3 clinical development. It is an investigational therapy, meaning it has not been approved by the FDA or other regulatory bodies. The ongoing Phase 3 trial is designed to assess its potential as a treatment for Myasthenia Gravis.

What clinical trials is Descartes-08 in?

Descartes-08 is being evaluated in a Phase 3 clinical trial registered as NCT06799247. This randomized, double-blind, placebo-controlled study is investigating the mRNA CAR T-cell therapy as a potential treatment for Myasthenia Gravis, with an enrollment of 128 participants across multiple countries.

Is Descartes-08 the same as a CAR T-cell therapy?

Yes, Descartes-08 is an mRNA CAR T-cell therapy. It is designed to engineer a patient's T-cells to target BCMA, a protein on plasma cells. This approach is being studied in Myasthenia Gravis, a condition where plasma cells contribute to the production of pathogenic antibodies.