MeiraGTx Reports FDA Breakthrough, Raises $100M, Acquires Bota-vec for $25M
MeiraGTx secured a Breakthrough Therapy Designation for its AAV2-hAQP1 salivary gland gene therapy and reported positive three-year Phase 1 AQUAx data confirming sustained salivary flow improvements in radiation-induced xerostomia patients. The company acquired full rights to bota-vec for X-linked retinitis pigmentosa from J&J with $25 million upfront and raised $100 million in financing.
1. Breakthrough Therapy Designation and Phase 1 Data
MeiraGTx received FDA Breakthrough Therapy Designation for AAV2-hAQP1 and reported positive three-year data from its Phase 1 AQUAx trial involving 24 patients with grade 2/3 radiation-induced xerostomia. Results showed sustained, clinically meaningful improvements in patient-reported outcomes and objective salivary flow measures from 12 through 36 months post-treatment, with no new safety signals.
2. Bota-vec Acquisition Details
In April 2026, MeiraGTx entered an asset purchase agreement with Johnson & Johnson to acquire full rights to botaretigene sparoparvovec (bota-vec) for X-linked retinitis pigmentosa. The company paid a $25 million upfront cash consideration and agreed to potential regulatory and commercial milestones plus a mid-teens royalty on global net sales, targeting U.S., EU, UK and Japan filings.
3. Financing and Balance Sheet Strengthening
MeiraGTx strengthened its balance sheet by securing $100 million in financing during the first quarter of 2026. The funds are expected to support regulatory submissions, manufacturing scale-up and potential launches of its two lead gene therapy candidates over the next two years.
4. Leadership Appointments and Strategic Outlook
Penny Fleck joined MeiraGTx as Chief Development Officer, bringing over 20 years of regulatory and development experience from her roles at Johnson & Johnson and Takeda. Stuart Naylor transitioned to Chief Scientific Officer, Ophthalmology, focusing on global regulatory approval of bota-vec and advancement of ophthalmology programs including AAV-RPGR.