Tung v. Bristol-Myers Squibb Company

CourtDistrict Court, S.D. New York
DecidedSeptember 30, 2020
Docket1:18-cv-01611
StatusUnknown

This text of Tung v. Bristol-Myers Squibb Company (Tung v. Bristol-Myers Squibb Company) is published on Counsel Stack Legal Research, covering District Court, S.D. New York primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Tung v. Bristol-Myers Squibb Company, (S.D.N.Y. 2020).

Opinion

UNITED STATES DISTRICT COURT DOCUMENT SOUTHERN DISTRICT OF NEW YORK ELECTRONICALLY FILED DOC #: JENNIFER TUNG, individually and on behalf of all others DATE FILED: 9/30/20 20 similarly situated, Plaintiff, 1:18-cv-01611 (MKV) -against- OPINION AND ORDER BRISTOL-MYERS SQUIBB COMPANY, MICHAEL GRANTING MOTION TO GIORDANO, FOUAD NAMOUNI, FRANCIS M. CUSS, DISMISS GIOVANNI CAFORIO, LAMBERTO ANDREOTTI, and CHARLES A. BANCROFT, Defendants, MARY KAY VYSKOCIL, United States District Judge: This is a securities class action seeking damages for alleged misstatements made by Defendant Bristol-Myers Squibb Company (“BMS”) and its executives concerning a clinical trial for a drug called Opdivo. In short, Plaintiffs accuse BMS of misleading the market about who was eligible for the trial by defining eligibility criteria without regard for a purported industry standard understanding of certain terms. It is alleged that as a result the market was led to believe the trial was substantially more likely to succeed than in reality. After the trial failed, BMS revealed to the market the full contours of the clinical trial, at which time some market analysts and investors expressed surprise at BMS’s decisions regarding who was eligible for the trial. This lawsuit soon followed. Following appointment of Lead Plaintiffs in this case, and an initial round of briefing on a motion to dismiss, Lead Plaintiffs’ Consolidated Amended Class Action Complaint (“CAC”) was dismissed for failure to plead scienter. Lead Plaintiffs were granted leave to amend, and thereafter filed a Consolidated Second Amended Class Action Complaint (“SAC”).1 Defendants again moved to dismiss. For the reasons that follow, and for substantially the same reasons warranting dismissal of Lead Plaintiffs’ CAC, Defendants’ motion is GRANTED. BACKGROUND

The facts of this dispute are laid out in detail in the SAC, ECF #67, and in the opinion by Judge Oetken granting Defendants’ motion to dismiss the previous complaint, ECF #66 (“CAC Opinion”). The facts as stated herein are drawn from the SAC and are assumed true for the purpose of this motion. See Littlejohn v. City of New York, 795 F.3d 297, 319 (2d Cir. 2015) (“At the motion to dismiss stage, we accept these allegations as true and draw all inferences in [Plaintiff’s] favor.”). BMS is a pharmaceutical company. SAC ¶ 25. During the relevant class period— January 27, 2015 to October 9, 2016—the company was led by executives including Defendants Michael Giordano, Fouad Namouni, Francis M. Cuss, Giovanni Caforio, Lamberto Andreotti, and Charles A. Bancroft. SAC ¶¶ 26-33.

Plaintiff’s allegations concern BMS’s development of the drug Opdivo, and specifically the development of its use to treat non-small cell lung cancer (“NSCLC”). SAC ¶¶ 3-4, 7, 75. Opdivo is a “checkpoint inhibitor.” SAC ¶¶ 39. Immune “checkpoints” are cellular mechanisms that prevent the body’s immune system from attacking healthy cells. SAC ¶ 38. To treat NSCLC, Opdivo targets the checkpoint protein PD-L1, which is expressed by cells in the body to prevent the immune system from attacking them. SAC ¶ 38. Specifically, PD-L1 binds with the “PD-1” protein on T-cells to prevent the T-cell from attacking the PD-L1 expressing cell. SAC ¶¶ 38. However, cancer cells can also express the PD-L1 protein, thereby preventing the body’s

1 By order dated May 16, 2018, the Arkansas Public Employees Retirement System and the Louisiana Sheriffs’ Pension and Relief Fund were appointed Lead Plaintiffs in this action. immune system from attacking the cancer cells. SAC ¶ 39. By targeting cancer cells that are expressing the PD-L1 protein, Opdivo allows the body’s immune system to attack the cancer cells. SAC ¶ 38. Using the body’s own immune system to target and kill cancer cells in this way is the goal of the burgeoning field of “immuno-oncology.” SAC ¶ 36.

The effectiveness of Opdivo and other checkpoint inhibitors depends on the level of PD- L1 expression in a patient’s cancer cells (i.e. the share of cancer cells expressing the protein), commonly expressed as a percentage. SAC ¶¶ 49-51. Generally, the greater a patient’s expression of PD-L1, the more likely treatment with a checkpoint inhibitor will be effective. SAC ¶ 3. It is estimated that approximately 70% of NSCLC patients exhibit some expression of PD-L1 on cancer cells, while approximately 25% of NSCLC patients exhibit a 50% or higher PD-L1 expression. SAC ¶ 3, 161. When developing trials to test the effectiveness of a PD-1 checkpoint inhibitor like Opdivo, companies like BMS have to determine a minimum expression level a patient must exhibit to be included in the study. SAC ¶¶ 77, 79. In making this decision, companies face a trade-off: the higher you set the cut-off, the more likely the trial will be

successful, but the lower the cut-off, the more patients who are eligible for the trial and, ultimately, for any approved drug. SAC ¶¶ 10-11. In January 2014, BMS announced a Phase III clinical trial for Opdivo called Checkmate- 026 (“CM-026”). SAC ¶ 77. The goal of CM-026 was to determine whether Opdivo outperformed chemotherapy in treatment of NSCLC. SAC ¶ 77. If successful, CM-026 would have been the last step before BMS could seek approval to market Opdivo for use to treat NSCLC. SAC ¶¶ 75-77. BMS described that the purpose of CM-026 was “to show that [Opdivo] will improve [outcomes] in subjects with strongly Stage IV or Recurrent PD-L1+ non- small cell lung cancer when compared to chemotherapy.” (emphasis omitted). SAC ¶ 79. While

the trial was ongoing, in numerous statements, BMS also described the eligible class of participants as exhibiting “strong” expressions of PD-L1. SAC ¶¶ 158-65. However, BMS also repeatedly stated throughout the class period that it would not provide any further information about its working definition of “strong.” See, e.g., SAC ¶¶ 93, 114. Eventually, on August 5, 2016, BMS announced that CM-026 had failed to demonstrate

that Opdivo was more effective than chemotherapy. SAC ¶ 11. The same day, BMS acknowledged for the first time that participants in CM-026 (i.e. those exhibiting “strong” expressions of PD-L1) only needed to exhibit expressions of 5% or higher. SAC ¶ 164. The price of BMS’s common stock fell approximately 16% from August 4 to August 5, 2016. SAC ¶ 209. About two months later, on October 9, 2016, BMS announced that the data from CM-026 was unable to provide any statistically significant conclusions whatsoever about the effectiveness of Opdivo on NCSLC patients with expressions above 5%. SAC ¶ 13. On the next day of stock trading, the price of BMS’s common stock fell approximately 10%. SAC ¶ 210. This lawsuit was initiated in February 2018. See ECF #1. After Lead Plaintiffs were appointed, the Parties briefed Defendants’ motion to dismiss the CAC. See ECF #51-53, 57, 62-

63. The CAC was dismissed by Judge Oetken, to whom this case was previously assigned, based on Lead Plaintiffs’ failure to plead scienter. See CAC Opinion at 5-11. Lead Plaintiffs were granted leave to amend and then filed the SAC. See ECF #67. The SAC seeks damages on behalf of a class of investors in BMS’s common stock for BMS’s alleged misrepresentations about the CM-026 trial targeting “strong” expressions of PD-L1. SAC ¶¶ 283-84. Lead Plaintiffs suggest that applying the label “strong” to participants with only a 5% expression contravened an industry standard understanding that an expression that low was understood to be among the lowest “merely positive” expressions, and was certainly not a “strong” expression. SAC ¶¶ 283-84. In support of this allegation, Plaintiffs point to previous studies, including a roughly simultaneous clinical trial by BMS competitor Merck, which defined “strong” expression as 50% expression. See SAC ¶¶ 85, 96. Defendants again moved to dismiss the SAC.

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