Part 1 of the trial will be a multi-center, open label safety and dose escalation study with a potential enrollment of 30 participants having geographic atrophy (GA) secondary to macular degeneration. They will receive a single intravitreal injection of study drug (AVD-104) and will be followed for 3 months for safety observation. They will have both aqueous humor and peripheral blood drawn for pharmacokinetic and pharmacodynamic evaluations.
Part 2 will be a multi-center, double masked, randomized trial to evaluate the treatment effect of AVD-104 on participants with geographic atrophy secondary to macular degeneration. Participants will be randomized to high dose AVD-104, low dose AVD-104, or active comparator (avacincaptad). The primary endpoint will be the difference in the rate of growth of the GA area as measured by fundus autofluorescence.