Conference Coverage

Sotagliflozin’s HFpEF benefit confirmed by new analyses


 

FROM ACC 2021

A significant on-treatment reduction in CV death

Other new, notable findings from the meta-analysis included the observation that while treatment with sotagliflozin failed to produce a significant reduction in cardiovascular death, compared with placebo, in the intent-to-treat analysis of all patients and of those with heart failure at baseline (it produced nonsignificant point-estimate reductions of 11% compared with placebo for all patients, and of 23% for patients who began the study with heart failure), it did result in a significant 23% relative risk reduction when the researchers focused on patients while they remained adherent to their sotagliflozin regimen (the on-treatment analysis). This 23% relative reduction appeared among all enrolled patients, as well as in the subgroup that started with diagnosed heart failure.

“Given the totality of data from the SGLT2 inhibitors, I think this is a real finding,” Dr. Bhatt said.

Additional analyses also showed that, among women, treatment with sotagliflozin was linked with significant relative reductions in the primary endpoint of roughly 30% compared with placebo among all patients, and also among those with heart failure at baseline. “HFpEF is a problem particularly in older women, and we showed that the benefit was consistent in men and women,” Dr. Bhatt said.

He acknowledged that results are expected soon from two pivotal trials that are examining two different SGLT2 inhibitors, dapagliflozin and empagliflozin, in patients with HFpEF. “I think there will be a class effect for both SGLT2 inhibitors and sotagliflozin for reducing heart failure events in patients with HFpEF, and I predict that the dapagliflozin and empagliflozin trials will have positive results,” Dr. Bhatt said.

Sotagliflozin differs from the SGLT2 inhibitors by also inhibiting SGLT1, an enzyme found in the gastrointestinal system that, when inhibited, results in increased glucose excretion from the gut and a cut in bloodstream levels of postprandial glucose levels. The Food and Drug Administration accepted data from SCORED and SOLOIST-WHF as part of the evidence the agency is now considering for granting a new drug approval to sotagliflozin.

SCORED and SOLOIST-WHF were initially sponsored by Sanofi, and later by Lexicon Pharmaceuticals. Dr. Bhatt’s institution, Brigham and Women’s Hospital, has received funding from Sanofi and Lexicon Pharmaceuticals. He has been a consultant to and received honoraria from K2P, Level Ex, and MJH Life Sciences; he has been an adviser to Cardax, Cereno Scientific, Myokardia, Novo Nordisk, Phase Bio, and PLx Pharma; and he has received research funding from numerous companies. Dr. Piña has no relevant disclosures. Dr. O’Connor has been a consultant to Arena, Bayer, Bristol-Myers Squibb, Merck, and Windtree, and he has an ownership interest in Biscardia.

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