4D Molecular Therapeutics, Inc. announced that the first patient has been dosed in the Phase 1/2 clinical trial of 4D-150 for neovascular age-related macular degeneration (wet AMD). The Phase 1/2 clinical trial is a dose-escalation and randomized, controlled, masked expansion trial of intravitreal 4D-150 and is expected to enroll approximately 60 adults with wet AMD. In the dose-escalation phase, multiple dose levels of 4D-150 will be examined in an open-label, 3+3 design with an initial dose of 3E10 vg/eye.

In dose expansion, patients (n=50) will be randomized 2:2:1 to receive one of 2 dose levels of 4D-150 (n=20 for each dose level) or aflibercept (n=10). The primary endpoints of the study are safety and tolerability. Secondary endpoints include the number of supplemental aflibercept injections received and change from baseline in best corrected visual acuity (BCVA) over time.