Salzman v. ImmunityBio, Inc.

District Court, S.D. California·Decided June 20, 2024·No. 3:23-cv-01216·Unknown

Opinion

ZACHARY SALZMAN, Individually and Case No.: 23-cv-01216-GPC-VET on Behalf of All Others Similarly Situated, ORDER GRANTING IN PART AND DENYING IN PART MOTION TO Plaintiff, DISMISS v. [ECF Nos. 50, 56] IMMUNITYBIO, INC., RICHARD ADCOCK, DAVID C. SACHS, and PATRICK SOON-SHIONG, Defendant.

ImmunityBio is a pharmaceutical company that develops cancer treatments. Its portfolio includes at least seventeen product candidates, but this dispute concerns just one: the company’s flagship product candidate, an antibody called N-803, known internally as Anktiva. Plaintiff alleges that Defendants,1 in the course of seeking FDA approval for Anktiva, misled investors to believe that Anktiva was manufactured in 1 The Individual Defendants are ImmunityBio’s CEO, CFO, and Chief Scientific and Medical Officer, respectively. ECF No. 37 (“Amended Complaint” or “AC”) at ¶¶ 21– 23. compliance with industry standards. In fact, Plaintiff alleges, Defendants knew that Anktiva’s manufacturing process was noncompliant and that it suffered from serious and persistent issues relating to recordkeeping, quality control, basic sanitation standards, and deviation management. Pending before the Court is Defendants’ Motion to Dismiss Plaintiff’s Amended Complaint (“AC”). Defendants argue that Plaintiff has failed to allege either a materially misleading statement or a strong inference of scienter. For the reasons stated below, the motion is GRANTED IN PART AND DENIED IN PART. The Court recites the relevant facts as provided in the complaint and corroborated by a number of confidential witnesses, taking them to be true and viewing them in the light most favorable to the Plaintiff. Anktiva is a biologic drug, which means that it is produced from living organisms. Because the process can involve microorganisms, plant cells, or even animal cells, manufacturing biologic products is an especially sensitive process, and producing biologic products “at scale requires a series of highly-technical steps . . . to ensure a consistent end product free from impurities.” AC at ¶ 5. Due to the sensitivity of this process, “even minor deviations from normal manufacturing processes can result in significant changes in product composition.” Id. at ¶ 69. Any deviation must “be recorded and justified.” See id. (citing 21 C.F.R. § 211.100). The FDA will not approve a biologic product if its production fails to comply with the FDA’s minimum standards for drug manufacturing, otherwise known as current good manufacturing practices (“cGMP”). Thus, in order to introduce a biologic drug to the market, a company must file a Biologics License Application (“BLA”). A BLA is composed of “data and supporting materials collected in clinical trials, along with other . . . information on the manner in which the product is manufactured.” This includes “proposed process and protocols for manufacturing at scale, [and] also must include data generated in connection with previously-produced process performance qualification (‘PPQ’) batches using the stated manufacturing processes and equipment.” Id. at ¶ 43. These qualification studies serve “to validate that the proposed manufacturing process is capable of reproducing results within predetermined specifications at commercial scale.” Id. These studies are further corroborated by an FDA inspector’s pre-approval visit to the manufacturing facility. The inspector “observ[es] the site in operation but also [reviews] appropriate records at the facility reflecting past activities.” Id. at ¶ 46. At the conclusion of an inspection, the inspector may issue a “Form 483,” which “memorialize[s] significant deficiencies observed during the inspection that, in the judgment of the inspector[], constitute violations of FDA regulations, including cGMP.” Id. ¶ 64. “After completing its review, the FDA will either approve the BLA or send the sponsor a complete response letter (‘CRL’). A CRL outlines any issues identified by the FDA during the review that prevent approval of the BLA in its current form and, where possible, recommend actions that a sponsor may take to remedy the issues or otherwise position the application for approval.” Id. at ¶ 48 (citing 21 C.F.R. § 601.3(a)). ImmunityBio “was formed in connection with a merger between two clinical-stage biopharmaceutical companies controlled by Defendant Soon-Shiong on March 9, 2021,” id. at ¶ 2, and submitted its BLA for Anktiva to the FDA on May 23, 2022, id. at ¶ 7. On May 11, 2023, the FDA rejected the BLA. Id. at ¶ 14. Which came as a surprise to most of the company’s shareholders. Anktiva’s Phase 3 clinical trials had been “impressive,” and in the year leading up to the rejection, ImmunityBio had repeatedly touted its manufacturing capabilities. For instance, ImmunityBio had asserted numerous times in press releases and SEC-mandated disclosures that “[t]he company ha[d] established GMP manufacturing capacity at scale.” See, e.g., id. at ¶ 108. It asserted that for its “Anktiva product candidate, [it had] contracted with a multi-national biologics manufacturer with multiple cGMP-compliant facilities.” See, e.g., id. at ¶ 102. And it asserted that those “facilities ha[d] robust process development and validation and quality oversight.” Id. But shareholders learned on May 11, 2023, that the FDA had rejected Anktiva’s BLA because of deficient manufacturing practices. To shareholders, the news was shocking. But to company executives, the rejection was nothing more than “business disappointment.” ECF No. 50 at 39. For the signs of manufacturing woe had appeared to leadership more than two years prior, as early as March of 2021. ImmunityBio learned of these deficiencies from its contract manufacturing organization (“CMO”), AGC Biologics, Inc., which manufactured the active ingredient in Anktiva. AGC had originated the technique for producing the active ingredient, and ImmunityBio had continued to entrust the process to AGC, as “it would [have] be[en] exceedingly expensive and risky to transfer th[e] technology in-house, particularly with Phase 3 clinical trials . . . .” AC at ¶ 60. Despite its use of a CMO, ImmunityBio remained “ultimately responsible for the manufacture” of Anktiva, a fact it reminded investors of in its SEC disclosures. ECF No. 50-10 at 6. ImmunityBio maintained a “Quality Agreement” with AGC, whereby AGC notified the company of the “findings of any inspection by a government agency,” including any deviations. AC at ¶ 168. Three times, in the two years preceding the BLA’s rejection, ImmunityBio learned that FDA inspectors had observed conditions at the Anktiva facility that violated federal law. ECF No. 50-3 at 2. AGC was first cited for manufacturing deficiencies in March of 2021 during a non-routine FDA inspection. The inspection resulted in a sixteen-item Form 483 that identified numerous deficiencies in Anktiva’s production, including failures “on the part of AGC’s quality unit to adequately investigate deviations, inadequate oversight of manufacturing procedures on the part of the quality unit, lack of adequate documentation for quality control testing, poorly qualified and validated manufacturing processes, and gaps in record keeping such that inspectors could not determine whether manufacturing was operating in a state of control.” Id. at ¶ 65. In response, AGC “committed to implement a CAPA,” a corrective and preventative action, to address the concerns raised in the Form 483. Id. AGC was cited again for manufacturing deficiencies four months later, in July of 2021. The inspection, which was routine, resulted in a three-item Form 483. Id. at ¶ 66. The inspector observed that “the firm either had deficient procedures or failed to follow existing procedures for sanitation, cleaning, and maintenance.” Id. Additi

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Salzman v. ImmunityBio, Inc., (S.D. Cal. 2024).

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