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Premarket Biotech Digest: Relypsa's Upside Potential, Citron's Next Target, Valeant CEO Sells

Kanak Kanti De profile picture
Kanak Kanti De
5.29K Followers

Summary

  • Relypsa has recovered after the sell-off post Veltassa approval.
  • Mallinckrodt could come under pressure after Citron's tweet.
  • Valeant CEO sells shares.

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Focus Ticker: Relypsa

Relypsa (RLYP) has had a very interesting past one month. In October, the company's NDA for Patiromer for Oral Suspension (brand name Veltassa) for the treatment of hyperkalemia was approved by the FDA. Despite the approval, RLYP shares tumbled. This is because the FDA approval came with a boxed warning. I had given a call on RLYP shortly after the stock tumbled to subscribers on my RTTAS service. I had noted that the sell-off was an overreaction as the boxed warning was not due to any safety issue. The call was given when RLYP was at $11. On Monday, the stock closed at $19.90. The question is whether there is further upside in RLYP.

As I noted earlier, the boxed warning for Veltassa was not due to any safety issue but rather due to the fact that the drug binds other oral drugs thereby decreasing their absorption and reducing their effectiveness. The boxed warning says that other oral medications should be administered at least 6 hours before or 6 hours after Veltassa is taken. Now this is an inconvenience. But given that Veltassa is better than the current standard of care, I don't expect this inconvenience to have a negative impact on Veltassa sales.

In the U.S. alone, around 2.1 million patients suffer from high level of potassium, according to Liana Moussatos of Wedbush Pacgrow Lifesciences. Veltassa is expected to be a blockbuster drug. Based on the peak sales potential, RLYP is still trading at just under 1x sales. I believe there is significant upside in RLYP despite the gains it has made in the past

This article was written by

Kanak Kanti De profile picture
5.29K Followers
former contributor

Analyst’s Disclosure: I/we have no positions in any stocks mentioned, and no plans to initiate any positions within the next 72 hours. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it (other than from Seeking Alpha). I have no business relationship with any company whose stock is mentioned in this article.

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