ProMIS Neurosciences Announces Second Quarter 2026 Financial Results and Provides Corporate Highlights

Cambridge, Massachusetts, Aug. 13, 2026 (GLOBE NEWSWIRE) — ProMIS Neurosciences Inc. (Nasdaq: PMN), a clinical-stage biotechnology company focused on the generation and development of antibody therapeutics targeting toxic misfolded proteins in neurodegenerative diseases, today announced its financial results for the quarter ended June 30, 2026, and provided a corporate update.

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“The second quarter of 2026 was a pivotal period for ProMIS, as we continued to advance PRECISE-AD while maintaining a strong financial position,” said Neil Warma, President and Chief Executive Officer of ProMIS Neurosciences. “We ended the quarter with $53.4 million in cash and short-term investments, providing runway through 2027, beyond our next major anticipated catalyst.”

“Subsequent to quarter end, on July 28 th , we announced positive blinded six-month interim safety and biomarker results from PRECISE-AD, our Phase 1b trial of PMN310 in patients with early AD. Across all 136 safety-evaluable participants and APOE genotypes, we observed no cases of ARIA-E. We also observed an early and directionally consistent movement in plasma pTau217 and CSF MTBR-tau243 in the blinded analysis, which pooled active and placebo-treated patients.”

“We believe these data reinforce the thesis behind PMN310: that selectively targeting toxic amyloid-beta oligomers and avoiding plaque may offer a path to amyloid-directed therapy with a significantly improved safety profile, including a substantially reduced ARIA burden, and a potential for improved efficacy. We look forward to the 12-month unblinded topline results from PRECISE-AD, expected in the first quarter of 2027, which will include cognitive outcomes, and we believe will represent an important next step in evaluating PMN310’s potential for patients with early AD.”