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uniQure files Huntington's gene therapy for FDA and UK approval

uniQure files Huntington's gene therapy for FDA and UK approval

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AMT-130 seeks accelerated US approval after the FDA reversed its position on the trial data

2 days ago: uniQure files for FDA and UK approval

Overview

Updated 1 hour ago

uniQure filed its Huntington's disease gene therapy, called AMT-130, for approval in the United States and the United Kingdom on September 2, 2026. If approved, it would be the first disease-modifying treatment for a disease that today has none.

The filing follows a sharp FDA reversal. Early in 2026 the agency said the trial data were insufficient; in June it accepted the same data as the primary evidence for accelerated approval. A decision could come within eight months if priority review is granted.

Why it matters

Approval would give Huntington's patients the first therapy that slows the disease, which today has no disease-modifying treatment.

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Key Indicators

75%
Slowing of Huntington's progression, high-dose group at 3 years
Statistically significant on the composite Unified Huntington's Disease Rating Scale versus matched external control (p=0.003).
29
Patients in the three-year efficacy analysis
17 received the high dose, 12 the low dose; 12 in each group reached 36 months.
75,000
People with Huntington's disease in the US, EU, and UK
The patient population a first disease-modifying therapy would target.
6 months
FDA review cycle if priority review is granted
Down from the standard 10-month review, after the 60-day filing acceptance period.

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People Involved

Organizations Involved

Timeline

June 2026 November 2026

4 events Latest: 2 days ago
Tap a bar to jump to that date
  1. FDA filing decision expected

    Upcoming Regulatory

    FDA has 60 days from submission to decide whether to accept the filing for review.

  2. Four-year data presentation expected

    Upcoming Data release

    uniQure to present four-year results from Phase I/II studies before quarter's end.

  3. uniQure files for FDA and UK approval

    Latest Regulatory

    Company filed for accelerated US approval and UK approval, requesting priority review.

  4. FDA reverses course on AMT-130 data

    Regulatory

    FDA accepts three-year Phase I/II data as basis for accelerated-approval filing.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

October 2012

Glybera, Europe's first gene therapy (2012)

uniQure, then Amsterdam Molecular Therapeutics, won European approval for Glybera, a gene therapy for the rare fat-metabolism disorder lipoprotein lipase deficiency. The one-time treatment carried a list price over $1 million.

Then

Only a small number of patients were ever treated, and the drug was withdrawn from the market in 2017.

Now

Showed that a gene therapy could be approved yet fail commercially if the patient pool is tiny and reimbursement is never secured.

Why this matters now

AMT-130 is another one-time, high-cost gene therapy for a small patient population. Approval would not resolve the access and coverage hurdles that sank Glybera.

May 2019

Zolgensma approval (2019)

The FDA approved Novartis's Zolgensma, a one-time gene therapy for spinal muscular atrophy, with a list price near $2.1 million. It became the first gene therapy for a neurological disease to reach the US market.

Then

Zolgensma saw rapid adoption but also years of reimbursement disputes and installment payment plans.

Now

Set the precedent that regulators would approve ultra-expensive, one-time gene therapies for rare neurological conditions.

Why this matters now

AMT-130 follows the Zolgensma template: a single administration, a high price, and reliance on specialized treatment centers and a long reimbursement tail.

March 2021

Roche's tominersen trial halted (2021)

Roche's tominersen, an antisense drug designed to lower huntingtin protein, was the leading disease-modifying candidate for Huntington's. The Phase 3 trial was halted in March 2021 after the higher-dose arm showed worsening outcomes.

Then

Roche scaled back the program; the setback shifted attention to other modalities, including gene therapy.

Now

Demonstrated how difficult it is to prove a therapy modifies Huntington's in a standard randomized trial.

Why this matters now

AMT-130 aims at the same target, huntingtin, but delivers gene silencing once through neurosurgery instead of repeated spinal injections.

Sources

(7)