Good day. Versant Ventures and drugmaker AstraZeneca are backing biotechnology startup SixPeaks Bio, a new contestant in the race to develop medicines that counteract muscle loss that can occur in patients taking weight-loss medications.
Weight-loss drugs, such as Novo Nordisk’s Wegovy, activate receptors for hormones, known as incretins, to reduce appetite. As patients shed weight, they can lose muscle as well as fat.
Because of their efficacy, this effect won’t derail current obesity drugs, said Steven Seedhouse, head of biotechnology research for financial-services company Raymond James.
But helping patients maintain muscle would be beneficial, say several entrepreneurs. For example, skeletal muscle is an important regulator of blood glucose, said SixPeaks Chief Executive Dr. Philip Larsen. Patients who lose too much skeletal muscle mass may jeopardize glycemic control, he added.
Versant in 2022 launched SixPeaks, which operated quietly until now. The company Wednesday said it had raised a $30 million Series A round led by Versant with participation from AstraZeneca.
SixPeaks also can secure up to $80 million in nondilutive financing through a collaboration formed with AstraZeneca, which has gained an exclusive option to acquire SixPeaks when the startup’s lead antibody drug is set to enter clinical trials, the companies said.
SixPeaks’ most-advanced antibody targets a receptor known as activin IIA/B to preserve skeletal muscle. It expects the drug could be used in Type 2 diabetes patients and could be combined with current weight-loss medications known as GLP-1 agonists. SixPeaks aims to start clinical trials in 2025, Larsen said.
A second product combines this antibody with a GLP-1 agonist, with a goal of promoting more healthful weight loss, according to SixPeaks.
Versant considered various ways to fund SixPeaks, said Alex Mayweg, a managing director with the venture firm who said investors and drugmakers showed interest during the J.P. Morgan Healthcare Conference in January.
But the question wasn’t if SixPeaks should secure a partner but when, Larsen said. Having one onboard at the outset is valuable considering the cost of advancing obesity treatments through clinical trials, he said.
“This is a field where you will invariably have to invest a lot of money in late-phase clinical development,” Larsen added.
And now on to the news...
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