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Business
12 Months Ended
Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Business Business
Description of Business and Organization
    IVERIC bio, Inc. (the “Company”) is a science-driven biopharmaceutical company focused on the discovery and development of novel treatments for retinal diseases with significant unmet medical needs. The Company is committed to having a positive impact on patients’ lives by delivering high-quality, safe and effective treatments designed to address debilitating retinal diseases, including earlier stages of age-related macular degeneration (“AMD”).
The Company’s lead asset is its clinical stage product candidate avacincaptad pegol (also referred to as ACP or Zimura), a complement C5 inhibitor. It is currently targeting the following diseases with ACP:

Geographic Atrophy (“GA”), which is the advanced stage of AMD, and is characterized by marked thinning or atrophy of retinal tissue, leading to irreversible loss of vision;

intermediate AMD, which is an earlier stage of AMD; and

autosomal recessive Stargardt disease (“STGD1”), which is an orphan inherited condition characterized by progressive damage to the central portion of the retina (the “macula”) and other retinal tissue, leading to loss of vision.

In October 2019, the Company announced positive 12-month data for GATHER1, its first Phase 3 clinical trial evaluating ACP for the treatment of GA secondary to AMD. In GATHER1, 286 patients were randomized to receive various doses of ACP, including ACP 2 mg, or sham control. The Company observed a 27.7% (p-value = 0.0063) reduction in the mean rate of growth (slope) estimated based on GA area between the ACP 2 mg group and the corresponding sham control group over 12 months, when performing the primary analysis, and a 35.4% (p-value = 0.0050) reduction in the mean rate of growth (slope) estimated based on GA area between the two groups over 12 months, when performing the supportive analysis. These results are based on a post-hoc analysis of the GATHER1 data using the U.S. Food and Drug Administration (“FDA”) preferred primary efficacy endpoint analysis from the Company’s Special Protocol Assessment (“SPA”), which is described further below. The Company analyzed the endpoint by using the square root transformation of the GA area, which it refers to as the primary analysis, and the Company analyzed the endpoint by using the observed GA area (without square root transformation), which it refers to as the supportive analysis. In GATHER1, through month 12, the Company did not observe any events of endophthalmitis or ischemic optic neuropathy events, and only one case of intraocular inflammation, which was mild and transient and reported as related to the injection procedure. The incidence of choroidal neovascularization (“CNV”) in the study eye through month 12 was 6 patients (9.0%) in the ACP 2 mg group and 3 patients (2.7%) in the corresponding sham control group.

In June 2020, the Company started enrolling patients in GATHER2, its second Phase 3 clinical trial evaluating ACP for the treatment of GA secondary to AMD. In July 2021, the Company received a written agreement from the FDA under the SPA for the overall design of GATHER2. The SPA is a procedure by which the FDA provides a clinical trial sponsor with an official evaluation and written guidance on the design of a proposed protocol intended to form the basis for a new drug application (“NDA”). In connection with our SPA, the FDA recommended, and the Company accepted, modifying the primary efficacy endpoint for the GATHER2 trial from the mean rate of change in GA area over 12 months measured by fundus autofluorescence (“FAF”) at three timepoints: baseline, month 6 and month 12, to the mean rate of growth (slope) estimated based on GA area measured by FAF in at least three timepoints: baseline, month 6 and month 12.

In September 2022, the Company announced positive 12-month top-line data for GATHER2. In GATHER2, 448 patients were randomized on a 1:1 basis to receive ACP 2 mg or sham control over the first 12 months of the trial. At 12 months, the Company measured the primary efficacy endpoint in accordance with the SPA. In GATHER2, the Company observed a 14.3% (p-value = 0.0064) reduction in the mean rate of growth (slope) in GA area between the two groups at 12 months with the primary analysis, and a 17.7% (p-value = 0.0039) reduction in the mean rate of growth (slope) in GA area between the two groups at 12 months with the supportive analysis. The Company did not observe any events of endophthalmitis, intraocular inflammation events, events of vasculitis or ischemic optic neuropathy events through month 12,
and the incidence of choroidal neovascularization (“CNV”) in the study eye through month 12 was 15 patients (6.7%) in the ACP 2 mg group and 9 patients (4.1%) in the sham control group.

The Company believes that with the statistically significant results from its GATHER1 and GATHER2 trials and the safety profile of ACP to date, it has sufficient data from two independent, adequate and well-controlled pivotal clinical trials of ACP in GA secondary to AMD to support an application for marketing approval. In November 2022, ACP became the first investigational drug product to receive breakthrough therapy designation from the FDA for the treatment of GA secondary to AMD. In December 2022, the Company completed the rolling submission of its new drug application ("NDA") to the FDA for marketing approval of ACP for the treatment of GA secondary to AMD. In February 2023, the FDA accepted its NDA for filing and granted priority review with a Prescription Drug User Fee Act ("PDUFA") target action date of August 19, 2023.

In addition to ACP, the Company is developing its preclinical product candidate IC-500, a High temperature requirement A serine peptidase 1 protein (“HtrA1”) inhibitor, for GA secondary to AMD and potentially other age-related retinal diseases. Based on current timelines and subject to successful preclinical development and current good manufacturing practices manufacturing, the Company expects to submit an investigational new drug application to the FDA for IC-500 during the first half of 2024.

The Company’s portfolio also includes several ongoing gene therapy research programs, each of which uses adeno-associated virus (“AAV”) for gene delivery. These AAV mediated gene therapy programs are targeting the following orphan inherited retinal diseases (“IRDs”):

Leber Congenital Amaurosis type 10 (“LCA10”), which is characterized by severe bilateral loss of vision at or soon after birth;

STGD1; and

IRDs associated with mutations in the USH2A gene, which include Usher syndrome type 2A, and USH2A-associated non-syndromic autosomal recessive retinitis pigmentosa.