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Altimmune announces positive results, shares tumble! – Stock Market Research, Option Picks, Stock Picks,Financial News,Option Research


 Altimmune announces results from Phase 1b study of pemvidutide

Altimmune (ALT) announced “positive” topline results from its 12-week Phase 1b study of pemvidutide in subjects with non-alcoholic fatty liver disease.

NAFLD. The trial was a randomized, double-blind, placebo-controlled study, with Dr. Stephen A. Harrison, Medical Director, Pinnacle Research, serving as the Principal Investigator.

The primary efficacy endpoint was the percent reduction in liver fat content from baseline, and the key secondary efficacy endpoint was the % weight loss from baseline, both at 12 weeks of treatment.

The trial was conducted without adjunctive diet and exercise interventions that are the standard for obesity trials.

Ninety-four subjects were randomized and treated at 13 sites across the U.S.

Mean BMI at baseline was approximately 36 kg/m2 and mean liver fat content, as measured by MRI-PDFF, was approximately 22%.

Twenty-seven subjects had type 2 diabetes at baseline, and approximately 75% of study subjects were of Hispanic ethnicity.

The trial met its primary endpoint in all pemvidutide treatment groups.

At the 1.8 mg dose, pemvidutide achieved a mean reduction of liver fat content of 68.5%, with 94.4% of subjects achieving a 30% reduction in liver fat, 72.2% achieving a 50% reduction in liver fat, and 55.6% of subjects achieving normalization of liver fat, defined as liver fat fraction of 5% or less.

In addition, mean serum alanine aminotransferase levels declined in all subjects, and in subjects with baseline serum ALT above 30 IU/L, levels declined more than 17 IU/L at all dose levels and 27.0 IU/L in the 2.4 mg dose cohort.

The trial also met its key secondary endpoint in all pemvidutide treatment groups. Employing an efficacy estimand, mean weight losses of 4.9% in subjects without diabetes and 4.4% in subjects with diabetes were achieved at the 1.8 and 2.4 mg doses, respectively.

Pemvidutide was reported to be generally well tolerated. Gastrointestinal events comprised the majority of the adverse events.

Even without dose titration, the symptoms experienced by subjects were predominantly mild and transient in nature, consistent with known GLP-1 class effects.

“We are pleased with the results of this trial, including the extent of liver fat and serum ALT reductions. Weight loss was within our target range, and good tolerability was observed without the need for dose titration. In addition, no clinically significant ALT elevations were observed,” said Vipin Garg,, President and Chief Executive Officer of Altimmune.

“With these positive results in hand, we look forward to reporting data from the 24-week NAFLD trial, as well as 24-week interim data from our MOMENTUM obesity trial.”

ALT shares opened down 58%, now down 25.5% to $15.21.

Piper Sandler

Piper Sandler analyst Yasmeen Rahimi said she is surprised to see the negative pre-market stock reaction in shares of Altimmune (ALT) after the company announced topline results from its 12-week Phase 1b study. She thinks it may be attributed to the 4.7% weight-loss which came in below Street’s expectations. However, the analyst points out that this measure is in alignment with the 6% placebo adjusted seen with Eli Lilly’s (LLY) tirzepatide and 4% placebo adjusted weight loss with Novo Nordisk’s (NVO) semaglutide at 12 weeks. Rahimi, who calls the study a “big win with a clean safety profile,” believes that the stock reaction due to weight loss percentage is “overdone” and argues that the totality of data “suggests that pemvidutide could be a serious player in the obesity/NASH space.” Rahimi has an Overweight rating and $25 price target on Altimmune shares.

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This article does not constitute investment advice. Each reader is encouraged to consult with his or her individual financial professional and any action a reader takes as a result of information presented here is his or her own responsibility.



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