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VCA-894A

Phase 1

Charcot Marie Tooth Disease (CMT) | Small molecule | Neurology |Vanda Pharmaceuticals Inc.|Last Updated: Aug 19, 2026

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment1

FDA Designations

ORPHAN_DRUGRARE_PEDIATRIC_DISEASE

Clinical trial landscape

VCA-894A · 1 trial · 2 indications

Phase 1 1
NCT07223632Treatment of Charcot-Marie-Tooth Disease, Axonal, Type 2S (CMT2S) in an Individual PatientCharcot Marie Tooth Disease (CMT)
ACTIVE NOT_RECRUITING1 Analytics
PHASE1ACTIVE NOT_RECRUITING
Treatment of Charcot-Marie-Tooth Disease, Axonal, Type 2S (CMT2S) in an Individual Patient
Charcot Marie Tooth Disease (CMT)Unlock trial analytics

Study Endpoints

Primary Endpoints

Assessment of safety of therapy with VCA-894A when administered via intrathecal injection, as measured by the incidence of adverse events.
631 days

Safety will be assessed by determining the incidence, severity, and dose relationship of adverse events that are related to treatment with VCA-894A.

Assessment of CMT2S symptoms following chronic administration of intrathecal VCA-894A, as determined by the change in the Revised Upper Limb Module for Spinal Muscular Atrophy (RULM).
631 days

The Revised Upper Limb Module for Spinal Muscular Atrophy (RULM) scores range from a minimum of 0 to a maximum of 37 points, with higher scores indicating better upper limb function.

Assessment of CMT2S symptoms following chronic administration of intrathecal VCA-894A, as determined by the change in the Hammersmith Functional Motor Scale - Expanded (HFMSE).
631 days

The Hammersmith Functional Motor Scale - Expanded (HFMSE) scores range from a minimum of 0 to a maximum of 66 points, with higher scores indicating greater motor functioning.

Secondary Endpoints

Rescue of IGHMBP2, as determined by the change in IGHMBP2 mRNA expression from baseline.
631 days
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
VCA-894AEXPERIMENTAL -

Interventions

NameTypeDescription
VCA-894ADRUGintrathecal antisense oligonucleotide injection
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Eligibility Criteria

SexFEMALE
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Ability and acceptance to provide written informed consent. * Genetically confirmed diagnosis of CMT2S with confirmed IGHMBP2 intronic cryptic splice variant c. 1235+894C\>A. Exclusion Criteria: * Significant clinical deterioration of the patient's neurologic status, as judg...

Countries:United States
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Recent Changes (Last 90 Days)

MEDIUMAug 20, 2026NCT07223632primaryCompletionDate: changed
MEDIUMAug 20, 2026NCT07223632primaryCompletionDate: changed
MEDIUMAug 20, 2026NCT07223632primaryCompletionDate: changed
MEDIUMAug 20, 2026NCT07223632primaryCompletionDate: changed

Frequently asked questions about VCA-894A

What is VCA-894A used for?

VCA-894A is an investigational small molecule being developed for the treatment of Charcot-Marie-Tooth disease (CMT), a group of inherited neuromuscular disorders. It is specifically being studied in a Phase 1 clinical trial for CMT type 2S, an axonal form of the disease. The drug is in early clinical development and has not been approved by regulatory authorities.

Who is developing VCA-894A?

VCA-894A is being developed by Vanda Pharmaceuticals Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol VNDA. The company is conducting a Phase 1 clinical trial to evaluate the drug in patients with Charcot-Marie-Tooth disease type 2S.

What phase is VCA-894A in?

VCA-894A is currently in Phase 1 clinical development. It is an investigational drug being studied for the treatment of Charcot-Marie-Tooth disease type 2S. The drug has received Orphan Drug and Rare Pediatric Disease designations from the FDA, but it is not yet approved for any use.

What clinical trials is VCA-894A in?

VCA-894A is being evaluated in a single Phase 1 clinical trial registered as NCT07223632, titled 'Treatment of Charcot-Marie-Tooth Disease, Axonal, Type 2S (CMT2S) in an Individual Patient.' The trial is active but not recruiting, and it is an uncontrolled, open-label study enrolling one female patient in the United States.

Is VCA-894A FDA approved?

No, VCA-894A is not FDA approved. It is an investigational drug currently in Phase 1 clinical development for Charcot-Marie-Tooth disease type 2S. The FDA has granted it Orphan Drug and Rare Pediatric Disease designations, which provide certain development incentives, but the drug has not completed clinical trials or received marketing approval.

Is VCA-894A the same as any other drug?

No alternative names for VCA-894A have been disclosed. It is a unique investigational small molecule developed by Vanda Pharmaceuticals. The drug is being studied specifically for the treatment of Charcot-Marie-Tooth disease type 2S, and no other names or aliases are associated with it in the available clinical trial information.