Higgins v. Boston Scientific Corporation

District Court, D. Minnesota·Decided August 13, 2021·No. 0:11-cv-02453·Unknown

Opinion

UNITED STATES DISTRICT COURT DISTRICT OF MINNESOTA

United States of America and the State of California, ex rel. Steven Higgins,

Plaintiffs,

v. Case No. 11-cv-2453 (JNE/TNL) ORDER Boston Scientific Corp.,

Defendant.

On behalf of the United States and the State of California, Dr. Stephen Higgins brought this case against Boston Scientific Corporation (“BSC”) under the federal False Claims Act and its California analog. Dr. Higgins argues that BSC fraudulently induced the Food and Drug Administration (“FDA”) to approve of two types of implantable defibrillators when BSC failed to disclose information that revealed a design defect. He argues that by obtaining device approval through fraud, BSC caused physicians to certify that the defibrillators were medically necessary devices and to submit false claims for payment to federal health insurance programs and California Medicaid (“Medi-Cal”). BSC has moved for summary judgment and both parties have filed motions to exclude testimony from each of their opponent’s experts. Even if the Court assumes that only Relator’s expert testimony is admissible, no reasonable jury could find that BSC made a false statement to the FDA that was material to its device approval decision. Therefore, as explained below, the Court will grant BSC’s motion for summary judgment. BACKGROUND The Cognis and Teligen Devices

BSC is a medical device manufacturer that sold two types of defibrillators at issue in this case: Cognis and Teligen. DX04 at 27883.1 Cognis devices provide cardiac resynchronization therapy defibrillation (“CRT-D”) and Teligen devices are implantable cardiac defibrillators (“ICDs”). Id. These devices are used to prevent cardiac arrhythmias, resynchronize the heart’s left and right ventricles, and provide pacemaking by delivering electrical impulses to the heart. Id. at 27893–95.

The Cognis and Teligen devices consist of a pulse generator that connects to heart tissue through leads. Id. at 27903, 27908. The leads attach to the pulse generator’s header through connection ports and are held in each port with a setscrew. Id. at 27924–26. For these devices, BSC used a “new setscrew design referred to as the ‘top-hat shaped’ setscrew.” Id. at 27926. Each setscrew cavity is sealed with plugs to protect it from

contact with fluids. Id. at 27927. BSC created a torque wrench designed to tighten the setscrews and “protect the [pulse generator’s] lead connector blocks from damage due to excessive torque forces being applied to the set screws.” Id. at 27940. On July 16, 2009, Version 1 Cognis and Teligen devices were recalled by BSC at the FDA’s recommendation because of a design defect with the header setscrews. RX-77

at 139167; RX-79. Although the FDA found that all Version 1 Cognis and Teligen

1 Prefixes and leading zeros are omitted from Bates numbers throughout this opinion. “RX” citations refer to Relator’s exhibits. “DX” citations refer to Defendant’s exhibits. devices were affected, RX-79, it only recommended recall of devices that had not been implanted. RX-77 at 139167. Before the recall was issued, BSC had developed and

obtained approval for a new version of the devices without this defect. See DX35 at 597120. The Version 1 Cognis and Teligen devices were originally developed by Guidant Corporation, which was later acquired by BSC. See DX04 at 27883; RX-15 at 62122. In December 2007, BSC submitted a Premarket Approval Application (“PMA”) Supplement to the FDA for Cognis and Teligen. DX04 at 27882. The PMA Supplement process

allows for review and approval of changes to previously approved devices. See 21 C.F.R. § 814.39(a). The Cognis and Teligen PMA Supplement proposed modifications to two predicate devices called Renewal and Vitality. DX04 at 27883. Among several proposed modifications, BSC changed the setscrew design and modified the seal plugs to better keep fluids out. Id. at 27909. Included in the PMA Supplement’s list of possible adverse

events were “Lead migration, dislodgment,” “Oversensing/undersensing,” and “Incomplete lead connection with pulse generator.” DX04 at 27896–97. Prior to submitting the PMA Supplement, BSC completed a Failure Mode, Effects, and Criticality Analysis to identify issues with the Cognis and Teligen devices. DX24 at 58030. It noted the predicate devices had issues related to lead connections including

“stripped setscrew[s], frozen setscrew[s], excessive insertion force, high contact resistance, or leaky seal plugs.” Id. at 58035. It explained that “[t]he high occurrence is due to the many field issues/trends where header assembly connections (i.e. seal plugs, setscrews, & connector blocks) were either the cause or the most probable cause.” Id. The report predicted that the new devices, Cognis and Teligen, were less likely to have the same issues because of changes made to mitigate problems with the header connections.

Id. These changes included fewer seal plugs, a spring contact port, a new lead barrel, a top-hat setscrew design, a new torque wrench, lubricant for the seal plugs, and a design to prevent hydraulic popping of the seal plug. Id. Clinical Testing BSC did not do live clinical field testing of the new device headers before submitting the PMA Supplement but, while the application was pending, it began a

clinical trial in Europe known as “COGENT.” RX-22 at 17064. On the first day of the trial, the project lead for Cognis and Teligen, Sumeet Dham, noted an incident related to a shock impedance measurement. RX-25 at 5005. After the device was explanted from the patient, it was sent to the team’s headquarters in St. Paul. Id. The next day, Dham observed a similar issue and notified his team about it. Id. at 5000–01. BSC’s Vice

President of Research and Development, Randy Nuernberg, also noted that there were five occurrences of noise during the lead impedance measurement. Id. at 4999–5000. As the COGENT trial progressed, physicians continued to encounter issues in connecting the leads to the header. In a March 7, 2008 internal status report, BSC noted several issues, including issues related to the shock lead impedance test, issues related to

setscrews and lead connections, noise issues, an oversensing issue, and comments about difficulty in determining whether leads were properly secured in the header. RX-34 at 115918–19. On March 13, mechanical engineer Nick Youker reported: Based on our testing and analysis the data suggests that under insertion of leads is the primary cause for >2000 ohm readings and loose leads in headers after tightening of setscrews. Once the field was notified to insert the torque wrench prior to lead insertion the incidence dropped off. Clearly we need to make sure that Sales training does an effective job of informing sales people of the proper lead insertion procedure prior to market launch.

RX-37 at 68724, RX-36. On March 21, 2008, Dham requested a graph “that shows [the] frequency of set screws/lead-header connection issues as [a] function of time.” RX-49 at 13127. In response, Torsten Kayser, from BSC’s European team, shared a graph that showed issues declining over time. Id. at 13126; RX-46. Kayser noted that he was “afraid that not all noise events get reported anymore” and “that some patients need to get re-operated.” RX- 49 at 13126. When Dham reported the data, indicating that issues had decreased, he attributed the decline to BSC’s recent “training emphasis” in the field. Id. at 13125. Another BSC employee, Fred Colen questioned whether they could “really RELY on training to avoid such an issue, which apparently can happen easily and can have dramatic consequences.” Id. at 13124.

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