HIV-focused gene therapy company Addimmune to go public

10 Aug 2023
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Deals
Phase 1AcquisitionGene TherapyCell TherapyImmunotherapy
American Gene Technologies (AGT) announced it will spin off its Addimmune division as a publicly traded firm via a merger with special purpose acquisition company (SPAC) 10X Capital Venture Acquisition. AGT launched Addimmune in June with a view to having the unit continue its work of developing gene and cell therapies that can offer a functional cure for patients with HIV.
"We're at the forefront of gene therapy for HIV, working to transform the fear of a lifelong disease into hope for a single-administration, one-and-done cure," remarked AGT's chief executive Jeff Galvin, who will take on the role of CEO at Addimmune.
AGT began clinical trials in 2020 for the single-dose, lentiviral-based autologous cell therapy candidate AGT103-T, which is designed to deliver modified HIV-specific CD4 T cells to patients. "It makes gene modifications to the patients' [T cells] that harden those cells against HIV infection and depletion, thus allowing those cells to maintain a normal response to HIV instead of being 'killed' by the virus," the company explained.
Addimmune said it completed a Phase I trial for AGT103-T that demonstrated "positive" safety results in seven patients. That trial, along with another sponsor-initiated follow-on study, showed "active immune responses to HIV" up to six months after dosing, the company added. Last month, AGT said testing of AGT103-T had entered a critical phase – allowing participants to voluntarily withdraw from their antiretroviral drugs. Early results for the treatment motivated it to create a spinout focused on completing required clinical trials and pursuing eventual commercialisation, if approved.
The proposed SPAC merger deal represents a pre-money enterprise value of $500 million for Addimmune and includes an earnout of up to $300 million tied to various clinical and priced-based milestones. Existing Addimmune stockholders will roll 100% of their equity into equity of the combined company.
AGT and 10X Capital expect the merger to be completed in the first quarter of 2024. Prior to the combination, AGT's non-HIV assets will spin-off into an entity that will retain the American Gene Technologies name.
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