Novo Nordisk Is Already Working on Wegovy's Successor -- Time to Buy?

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Some pharmaceutical products have become massively popular in the past few years. The class of vaccines and drugs that help prevent and treat COVID-19 is a good example. These allowed us to contain the pandemic, so their fame is well deserved. Another category of drugs has been making plenty of noise lately: anti-obesity medicines.

Perhaps the most famous is Wegovy, marketed by Novo Nordisk (NYSE: NVO). The Denmark-based drugmaker is a leader in this niche. Though Wegovy still has a long and bright future ahead of it, Novo Nordisk is working on another highly promising weight loss therapy. Let's find out what it is and its significance for Novo Nordisk's prospects.

Promising early-stage clinical trial results

Novo Nordisk recently reported positive phase 1 data from one of its candidates called amycretin. According to the pharmaceutical giant, amycretin led to a 13.1% mean reduction in body weight after 12 weeks of treatment. The company also highlighted that the medicine's adverse effects were consistent with those of similar therapies.

There are several things to note here. First, Wegovy's results weren't that dramatic in a study where it led to a 5.9% decrease in body weight in three months (roughly 12 weeks). These aren't necessarily comparable -- a lot of factors can influence the results of different studies for different clinical compounds. There is no way to know for sure whether amycretin is better than Wegovy unless they are pitted against one another in the same study. Or at least until we have much more data on amycretin. Still, amycretin's phase 1 results are highly encouraging.

Second, amycretin is an oral medicine taken once daily. Wegovy and other leading weight loss therapies, such as Eli Lilly's Zepbound, are administered as weekly subcutaneous injections. Some patients prefer pills, so amycretin could attract a decent number of people for this reason if it ends up earning approval.

Novo Nordisk isn't afraid of competition

Novo Nordisk's massive success in the weight loss area has attracted plenty of competition. Several of the largest drugmakers are now looking for a piece of the market. Even relatively small and unknown companies are taking action. Viking Therapeutics, a midcap biotech, recently more than doubled its share price in one day following positive phase 2 results for an obesity treatment candidate.

However, Novo Nordisk's phase 1 result for amycretin shows that it isn't just resting on its laurels, even though, along with Eli Lilly, it remains one of the undisputed leaders in this field. There is still a long way to go for amycretin, but Novo Nordisk's track record grants it a competitive advantage. The company is using artificial intelligence to analyze the massive amount of data at its disposal in developing anti-diabetes medicine to help identify promising candidates.