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AMT-260

Phase 1

Mesial Temporal Lobe Epilepsy | Gene therapy | Neurology |uniQure N.V.|Trials Updated: Aug 24, 2026

AMT-260 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Oct 2023

AMT-260 target and mechanism

ModalityGene therapy

Also known as AAV9-hSyn1-miGRIK2

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment12

FDA Designations

No designations recorded

AMT-260 clinical trials

AMT-260 · 1 trial · 1 indication

Phase 1 1
NCT06063850AMT-260 Gene Therapy Study in Adults With Unilateral Refractory Mesial Temporal Lobe EpilepsyMesial Temporal Lobe Epilepsy
RECRUITING12 Analytics
PHASE1RECRUITING
AMT-260 Gene Therapy Study in Adults With Unilateral Refractory Mesial Temporal Lobe Epilepsy
Mesial Temporal Lobe EpilepsyUnlock trial analytics

Study Endpoints

Primary Endpoints

To evaluate the safety and tolerability of AMT-260 in adults with unilateral refractory MTLE.
1 year

Occurrence of Adverse Events during the period of 1 year after AMT-260 administration, including seriousness, severity, and causal relationship to AMT-260.

Secondary Endpoints

To evaluate first signs of efficacy of AMT-260.
1 year
To evaluate the biodistribution properties of AMT-260.
1 year
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
AMT-260EXPERIMENTALCohort 1: AMT-260 starting dose (1.0x 10E12 gc/mL). Cohort 2: AMT-260 adapted dose (6.0x 10E11 gc/mL or 3.0x 10E12 gc/mL).

Interventions

NameTypeDescription
AAV9-hSyn1-miGRIK2GENETICAMT-260 is an AAV9 gene therapy product that locally delivers miRNA silencing technology to target the GRIK2 gene and suppress aberrantly expressed GluK2 containing kainate receptors. Intervention will be a one-time intracerebral administration of AMT-260.
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites18

Inclusion Criteria: * Diagnosis of unilateral refractory MTLE * History of seizures with an average of ≥ 2 documented focal impaired awareness seizures or focal to bilateral tonic-clonic seizures per 30-day period over the 3 month Retrospective Period. * On a stable type and dose regimen of up to a...

Countries:United States
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Recent Changes (Last 90 Days)

LOWAug 24, 2026NCT06063850lastUpdatePostDate: changed
LOWAug 24, 2026NCT06063850lastUpdatePostDate: changed

Frequently asked questions about AMT-260

What is AMT-260?

AMT-260 is an investigational gene therapy being developed by uniQure N.V. for mesial temporal lobe epilepsy, a form of focal epilepsy that is often refractory to standard anti-seizure medications. It is designed as a one-time treatment approach and is currently in Phase 1 clinical development.

What is AMT-260 used for in mesial temporal lobe epilepsy?

AMT-260 is being studied in adults with unilateral refractory mesial temporal lobe epilepsy, meaning seizures that continue despite treatment and originate from one side of the temporal lobe. It is an investigational therapy and has not been approved for any indication.

Who makes AMT-260?

AMT-260 is developed by uniQure N.V., a gene therapy company whose shares trade on Nasdaq under the ticker QURE. uniQure is the sponsor of the Phase 1 study evaluating AMT-260 in adults with unilateral refractory mesial temporal lobe epilepsy.

What phase is AMT-260 in?

AMT-260 is in Phase 1 clinical development. It is an investigational gene therapy and is not FDA approved. The single ongoing Phase 1 trial is currently recruiting participants and is expected to enroll 12 adults with unilateral refractory mesial temporal lobe epilepsy.

What clinical trial is AMT-260 in?

AMT-260 is being evaluated in the Phase 1 trial NCT06063850, titled AMT-260 Gene Therapy Study in Adults With Unilateral Refractory Mesial Temporal Lobe Epilepsy. The trial is recruiting in the United States, is uncontrolled, is not randomized or double blinded, and has a planned enrollment of 12 participants aged 18 years and older.

Is AMT-260 the same as AAV9-hSyn1-miGRIK2?

Yes, AAV9-hSyn1-miGRIK2 is another name for AMT-260. It describes the construct: an AAV9 viral vector carrying a human synapsin 1 promoter and a microRNA targeting GRIK2. Readers searching for AAV9-hSyn1-miGRIK2 are looking at the same uniQure gene therapy candidate for mesial temporal lobe epilepsy.