MGTXMeiraGTx Holdings plc

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IntactLast material event Aug 13, 2026 · Updated Oct 25, 2026

MeiraGTx expects 12-month data from the pivotal AQUAx2 trial of AAV2-hAQP1 in radiation-induced dry mouth in the second quarter of 2027, and plans regulatory filings for bota-vec in 2026

MeiraGTx is a clinical-stage gene therapy developer and manufacturer; its lead program, AAV2-hAQP1, is a one-time gene therapy for radiation-induced dry mouth, and none of its products is approved.

MeiraGTx's case rests on AAV2-hAQP1, a gene therapy injected into a salivary gland for radiation-induced xerostomia, which has Breakthrough Therapy designation after a 24-patient Phase 1 without placebo control. The randomized, placebo-controlled Phase 2 AQUAx2 is fully enrolled, and positive 12-month data in the second quarter of 2027 would support a BLA in mid-2027. Counting Oberland royalty financing and $95 million due from Hologen, MeiraGTx expects to be funded into the second half of 2028.

Thesis checklist

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Select a row for evidence
AQUAx2 shows benefit over placeboAwaiting evidenceNext: 12-month data (second quarter of 2027).

Why it is in this state

The evidence, what would weaken it and the source filing

AAV2-hAQP1 BLA filed in mid-2027Awaiting evidenceNext: BLA filing (mid-2027).

Why it is in this state

The evidence, what would weaken it and the source filing

Bota-vec filings are submitted in 2026Awaiting evidenceNext: Regulatory filings (2026).

Why it is in this state

The evidence, what would weaken it and the source filing

Cash lasts into the second half of 2028SupportedNext: Q3 cash balance and Hologen payment.

Why it is in this state

The evidence, what would weaken it and the source filing

Next decision point

AQUAx2 12-month data

Tests: AQUAx2 shows benefit over placebo

Second quarter of 2027

Does AAV2-hAQP1 improve dry mouth symptoms and salivary flow over placebo at 12 months?

Strong, inconclusive and weak outcomes

What to look for in the result and how each would move the checklist

Questions to investigate

History

Price and material events

Select an event marker to read the update below. Marker colors show Thesis status.

IntactCurrentClinical
+6.7%Aug 13, 2026

MeiraGTx expects 12-month data from the pivotal AQUAx2 trial of AAV2-hAQP1 in radiation-induced dry mouth in the second quarter of 2027, and plans regulatory filings for bota-vec in 2026

ChallengedFinancial
+5.5%Jul 7, 2026

Radiation dry-mouth gene therapy with Breakthrough status pivots on a single pivotal readout, backed by $400M non-dilutive Oberland deal

About this history: every entry shows when the Thesis moved and what it said. The reasoning behind each move (the evidence, the analysis and the source filing) and the earnings write-ups are part of a subscription.

Pipeline

Radiation-induced xerostomia· Grade 2-3
AAV2-hAQP1 · 3 upcoming · 2 completed
Phase 2 DataAQUAx2Pivotal
Q2 2027
BLA Submission
End 2026Mid 2027
Commercial Launch
2028
Metabolic disease
Ribo-Leptin · 1 upcoming
IND opening
late 2026
X-linked retinitis pigmentosa
bota-vec · 2 upcoming · 1 completed
Regulatory Submission
By year-end 2026
Commercial Launch
2027
LCA4· AIPL1 mutations
AAV-AIPL1 · 1 completed
Exclusive license to Eli Lilly: $75 million upfront, more than $400 million in milestones
Reported Nov 10, 2025
Parkinson's disease· uncontrolled
AAV-GAD · 1 completed
RMAT Designation
Reported May 9, 2025

Dates, trials and completed outcomes are open to everyone. What each upcoming milestone hinges on is part of a subscription.

Quick answers

Is the MeiraGTx (MGTX) investment thesis intact?
Yes. Readouts currently rates the MeiraGTx Thesis Intact. MeiraGTx expects 12-month data from the pivotal AQUAx2 trial of AAV2-hAQP1 in radiation-induced dry mouth in the second quarter of 2027, and plans regulatory filings for bota-vec in 2026.
What is the next catalyst for MeiraGTx (MGTX)?
The next dated event is Regulatory submission for Bota-vec, expected By year-end 2026, as stated by the company. Also ahead: Phase 2 results (AQUAx2) for AAV2-hAQP1, expected Q2 2027.
How long will MeiraGTx's cash last?
MeiraGTx has said its cash will fund operations into the second half of 2028 (guidance as of August 13, 2026).

Competitive landscape

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Financial snapshot

Dates and calculation details

Cash: Market-data provider estimate; measurement period unavailable.

Debt: Market-data provider estimate; a complete comparable filing balance is unavailable.

Quarterly burn: Estimated from trailing free cash flow; measurement period unavailable.

Net cash and estimated runway require verified matching measurement periods. Missing debt components are not assumed to be zero.

Runway: No underlying guidance available.