price down icon2.23%   -0.13

Why is Acelyrin Inc (SLRN) Stock down?

We've noticed a 5.24% decline in Acelyrin Inc (SLRN) stock during the 2024-06-20 trading session. While this could be attributed to normal volatility or various internal and external factors, please be aware that we are actively monitoring the situation, and we'll provide timely updates as soon as possible!
10 Jan, 2024:

Acelyrin Inc (SLRN) stock dropped by 5.08% due to it grapples with a securities fraud class action lawsuit and critical remarks from analysts. On December 12, 2023, Wells Fargo analyst Derek Archila expressed reservations about Acelyrin, highlighting uncertainties surrounding the company and concerns related to dosing errors in izokibep's Phase 2/3 trials.

  • Securities Fraud Allegations: The securities class action lawsuit alleges that Acelyrin provided misleading information to investors, including misrepresenting izokibep's effectiveness in treating Hidradenitis Suppurativa (HS) and overstating its commercial prospects. These allegations suggest an overstatement of Acelyrin's business outlook.
  • Revelation of Clinical Trial Results: The situation worsened when Acelyrin disclosed disappointing results from its Phase 2b/3 trials of izokibep for the treatment of moderate to severe HS. Izokibep failed to outperform the placebo significantly, casting doubts on its clinical potential and efficacy.
  • Dosing Errors and Share Price Plunge: Adding to the company's woes, Acelyrin revealed critical dosing errors in its clinical trial execution, particularly in a psoriatic arthritis trial of izokibep. These errors were attributed to a vendor working with the contract research organization (CRO) Fortrea. Patients received placebo and active treatment in random order instead of the intended alternating pattern. Consequently, Acelyrin's shares have plummeted by nearly 70% year-to-date.
  • Ongoing Investigations: Investigations are underway to ascertain whether Acelyrin had prior knowledge of the dosing errors but failed to disclose them, potentially leading to an extension of the alleged fraudulent period. Reed Kathrein, the Hagens Berman partner leading the investigation, is diligently exploring these allegations.
28 Nov, 2023:

Shares of Acelyrin Inc (SLRN) dropped by 32.41% from $8.70 to $5.88 in the trading on Tuesday, November 28, 2023. The reason why SLRN is down today is due to he company's announcement of an error in its Phase 2b/3 trial for izokibep. Acelyrin Inc promptly addressed the error and has rectified the dosing sequence.

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