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81 F. Supp. 3d 619
W.D. Mich.
2015
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Background

  • Defendants designed Infuse, a bioengineered bone graft device used with an LT-CAGE fusion device; FDA PMA approval in 2002 covered anterior lumbar uses with labeling that restricts usage.
  • Plaintiff underwent an off-label posterior lumbar surgery in March 2010 using Infuse and allegedly developed ectopic bone growth causing spinal cord compression and pain.
  • Plaintiff alleges Defendants misled about off-label risks and actively promoted off-label use, including sponsorship of inaccurate articles.
  • Plaintiff filed a three-count Amended Complaint: Failure to Warn (Count I), Negligence/Gross Negligence (Count II), and Breach of Warranty (Count III).
  • Defendants moved to dismiss under Rule 12(b)(6) arguing preemption under the Medical Device Amendments (MDA) and other grounds; Michigan law governs, and the court granted the motion to dismiss.
  • The court addressed express preemption, implied preemption, and independent grounds, concluding all claims are preempted or insufficiently pled and thus dismissed.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Express preemption under 21 U.S.C. §360k(a) applies to Count I Plaintiff argues FDA approval does not immunize liability for off-label misrepresentations Defendants contend claims seek state requirements different from FDA mandates Count I express-preempted
Implied preemption under Buckman for off-label promotion Plaintiff relies on Buckman to allow state claims arising from off-label conduct Defendants assert off-label promotion is governed by FDCA and preempts state claims Counts I (and related mispromotion aspects) impliedly preempted
Independent federal/state grounds viability Plaintiff argues state-law claims survive parallel federal regulation Claims fail because preemption bars them and no parallel duties remain Counts I–III dismissed on preemption grounds; no independent grounds salvage claims
Breach of Warranty viability given labeling disclaimer Express warranty plausibly alleged beyond FDA labeling FDA label disclaims warranties and there is no privity; claims lack specificity Count III dismissed for lack of specific warranties; not saved by express warranty theory
Failure to warn/negligence off-label promotion linked to preemption Warnings should cover off-label risks notwithstanding FDA labeling Claims would impermissibly impose duties beyond FDA-approved labeling Counts I and II dismissed as preempted; Count II also dismissed as impliedly preempted

Key Cases Cited

  • Riegel v. Medtronic, Inc., 552 U.S. 312 (U.S. 2008) (express preemption framework for MDA §360k(a))
  • Buckman Co. v. Plaintiffs’ Legal Comm., 531 U.S. 341 (U.S. 2001) (no private right of action; implied preemption via Buckman)
  • Houston v. Medtronic, Inc., 957 F. Supp. 2d 1166 (C.D. Cal. 2013) (off-label promotion; preemption analysis expressions in Buckman framework)
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Case Details

Case Name: Thorn v. Medtronic Sofamor Danek, USA, Inc.
Court Name: District Court, W.D. Michigan
Date Published: Jan 23, 2015
Citations: 81 F. Supp. 3d 619; 2015 U.S. Dist. LEXIS 7687; 2015 WL 328885; Case No. 1:13-cv-239
Docket Number: Case No. 1:13-cv-239
Court Abbreviation: W.D. Mich.
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    Thorn v. Medtronic Sofamor Danek, USA, Inc., 81 F. Supp. 3d 619