Adverum Biotechnologies Inc is a U.S.-based clinical-stage gene therapy company. It develops gene therapy product candidates intended to provide durable efficacy by inducing sustained expression of a therapeutic protein. The company primarily generates revenue through license, research and collaboration arrangements with its strategic partners. Its lead product candidate is ADVM-022 which is a single, in-office intravitreal (IVT) injection gene therapy designed to deliver long-term durable levels of aflibercept associated with a robust, sustained treatment response, reducing the treatment burden and fluctuations in macular fluid associated with frequent anti-vascular endothelial growth factor (VEGF) injections. It has one segment developing and commercializing gene therapeutics.