Todd Hill v. Macrogenics, Inc.

CourtDistrict Court, D. Maryland
DecidedSeptember 29, 2021
Docket8:19-cv-02713
StatusUnknown

This text of Todd Hill v. Macrogenics, Inc. (Todd Hill v. Macrogenics, Inc.) is published on Counsel Stack Legal Research, covering District Court, D. Maryland primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Todd Hill v. Macrogenics, Inc., (D. Md. 2021).

Opinion

IN THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF MARYLAND Southern Division

* EMPLOYEES’ RETIREMENT SYSTEM OF THE CITY OF BATON ROUGE AND PARISH OF EAST BATON ROUGE, * Plaintiff, Case No.: GJH-19-2713 * v. * MACROGENICS, INC., , * Defendants. * * * * * * * * * * * * * *

MEMORANDUM OPINION

This is a securities fraud case arising from Defendants' statements regarding the clinical trials of their cancer treatment product, “Margetuximab.” Lead Plaintiff Employees’ Retirement System of the City of Baton Rouge and Parish of East Baton Rouge (“CPERS” or “Plaintiff”) brings this putative class action against Defendants MacroGenics, Inc., CEO and President Scott Koenig, and CFO and Treasurer James Karrels (collectively “Defendants”), for purported violations of Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 (“the Exchange Act”) and Sections 11, 12(a)(2), and 15 of the Securities Act of 1933 (the “Securities Act”). Presently pending before the Court is Defendants' Motion to Dismiss, ECF No. 37. No hearing is necessary. See Loc. R. 105.6 (D. Md. 2016). For the following reasons, Defendants' Motion to Dismiss is granted. I. BACKGROUND1 Resolving this case on a motion to dismiss, the Court takes Plaintiff's factual allegations in the Amended Complaint as true. MacroGenics is a clinical-stage biopharmaceutical company that trades on the NASDAQ under the symbol “MGNX.” ECF No. 34 ¶¶ 22, 28. MacroGenics is developing Margetuximab, a treatment for patients with certain metastatic breast cancers. Id. ¶ 2.

Plaintiffs are individuals who purchased common stock in MacroGenics between February 6, 2019 and June 4, 2019 (the “Class Period”). A. The SOPHIA Study During the relevant time, MacroGenics was developing Margetuximab. ECF No. 34 ¶ 2. Margetuximab is an antibody developed for patients who had previously undergone cancer treatments but had achieved only sub-optimal results. Id. Margetuximab is the first of MacroGenics’ product candidates to be tested in a Phase III clinical trial and is a “critically important product” to MacroGenics. Id.2 The SOPHIA Study, MacroGenics’ Phase III trial, compared the performance of drugs in patients with HER2-positive3 metastatic breast cancer who had previously been treated with anti-

HER2-targeted therapies. ECF No. 34 ¶ 31. The study compared Margetuximab in combination

1 Pin cites to documents filed on the Court’s electronic filing system (CM/ECF) refer to the page numbers generated by that system.

2 This Court has previously explained the drug approval process in Lerner v. Nw. Biotherapeutics, 273 F. Supp. 3d 573, 579 (D. Md. 2017). As part of the drug approval process, a drug sponsor is responsible for designing clinical trials and submitting their results to the FDA. Id. (quoting 21 U.S.C. § 355(b)(1)). “The sponsor, rather than the FDA, is responsible for designing the clinical trials. A sponsor generally conducts clinical trials in three phases. Phase I ‘includes the initial introduction of an investigational drug into humans’ and determines ‘the metabolism and pharmacologic actions of the drug in humans.’ Phase II involves studies that are ‘typically well-controlled,’ to determine the effectiveness of the drug on ‘patients with the disease or condition under study.’ Phase III includes ‘expanded controlled and uncontrolled trials’ intended to ‘gather additional information about effectiveness and safety’ and ‘evaluate the overall benefit-risk relationship.’” Id. (quoting 21 C.F.R. § 312.21(a)-(c)).

3 “HER2 is a protein found on the surface of some cancer cells that promotes growth and is associated with aggressive disease and poor prognosis.” ECF No. 34 ¶ 29. with chemotherapy against the performance of Trastuzumab and chemotherapy. Id. Trastuzumab has already received FDA Approval and is “the market-leading, standard biologic treatment for breast cancer.” Id. ¶ 3. The SOPHIA trial enrolled 536 patients at 200 trial sites across the world. ECF No. 34 ¶ 31. Patients were either assigned to a treatment of Margetuximab and chemotherapy or

Trastuzumab and chemotherapy. Id. The trial endpoints were two-fold. First, the trial attempted to establish a “meaningful benefit”4 to patients taking Margetuximab as opposed to Trastuzumab in terms of “progression free survival” (“PFS”). Id. ¶ 3. PFS measures how long patients enrolled in a specific treatment survive post-enrollment without progression of disease. Id. Second, the SOPHIA trial attempted to establish a “meaningful benefit” to patients taking Margetuximab compared to Trastuzumab in terms of “overall survival” (“OS”). Id. OS measures how long patients survive without regard to if they experienced post-enrollment progression of disease. Id. The objective of SOPHIA was to show that Margetuximab delivered “meaningfully superior PFS and OS results compared to the Trastuzumab-based treatment.” Id. ¶ 33.

OS is a “critically important endpoint” in evaluating a new treatment for a disease with a high mortality rate. Id. ¶ 35. Although showing a superior OS rate to existing drugs is not necessary for FDA Approval, “showing such superior OS results substantially increases the likelihood of FDA approval.” Id. Importantly, showing superior OS results is also “critical to the commercial prospects of a drug like Margetuximab” because oncologists are more likely to prescribe treatment that can produce results that are “meaningfully superior” to results from existing “standard of care” drugs. Id.

4 A “meaningful benefit” seems to denote a “statistically significant” favorable difference between the performance of Margetuximab and Trastuzumab. See ECF No. 34 ¶ 72. B. Summary of Events During the Class Period The Class Period extends from MacroGenics’ February 6, 2019 release of initial data until June 4, 2019, when MacroGenics presented at the annual meeting of the American Society of Clinical Oncologists (the “ASCO Conference”).

Plaintiff alleges that MacroGenics conducted an initial analysis of the SOPHIA data and then began to “selectively” and “misleadingly” release positive aspects of the study while suppressing negative aspects during the Class Period. ECF No. 34 ¶ 4. On February 6, 2019, MacroGenics released results from its initial review of the SOPHIA Trial. Id. The analysis used October 10, 2018 as the “cut-off” date for the review.5 In a press release, MacroGenics announced that the data showed a statistically significant PFS benefit to Margetuximab treatment but stated only that the OS data was still “maturing.” Id. ¶ 5. The stock price of the Company “skyrocketed” by 130% (from $11.11 to $25.60) on that same day. Id. MacroGenics then announced that it would be holding a secondary public offering on February 13, 2019 at an

offering price of $20.00 per share. Id. ¶ 6. The Company raised $126.5 million in gross proceeds from that secondary offering. Id. Over the next few months, MacroGenics continued to tout its positive PFS data while “declining to comment” on its OS data, except to say that the data was still “not mature.” Id. ¶ 7. Given that the data set was locked as of October 2018, Plaintiff alleges that the Company did have negative information regarding its interim OS data that it “chose not to disclose to investors.” ECF No. 34 ¶ 8. Because the PFS analysis had already been put together using the

5 Study data is “sequentially assessed over time” as of pre-specified “cut-off” points. See ECF No. 34 ¶ 33. A “cut- off” point is when the data is “effectively locked for analytical purposes[.]” Id. ¶ 5 n.1. Therefore, no new data was collected after October for that particular review.

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