Takeda v Amdipharm Mercury: Lutrate email implied interchangeability with Prostap and overstated cost savings

📅 8 March 2026 | 🖉 Dr Anzal Qurbain
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Key facts

Case numberAUTH/2834/4/16
ComplainantTakeda UK Limited
RespondentAmdipharm Mercury Company Limited (AMCo)
ProductLutrate (leuprorelin acetate depot injection)
MaterialPromotional email to health professionals and NHS budget holders (ref AMCo/LUT/1115/0027)
Main issuesImplied interchangeability with Prostap; misleading cost savings; “novel formulation” implying special merit/disparagement; high standards
DecisionBreaches of Clauses 3.2, 7.2, 7.3, 7.10, 8.1, 9.1; no breach of Clauses 2, 7.2 (fair balance point), 7.3 (administration claim point)
SanctionsUndertaking received; additional sanctions not stated
Complaint received11 April 2016
Case completed3 June 2016
AppealNo appeal
Code year2016

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Reviewed by Dr Anzal Qurbain (FFPM) — ABPI Final Signatory

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What happened

  • Takeda complained about a promotional email for Lutrate (leuprorelin acetate depot injection) (ref AMCo/LUT/1115/0027) sent by Amdipharm Mercury Company Ltd (AMCo) to health professionals and NHS budget holders.
  • The email promoted a new formulation of leuprorelin and highlighted potential NHS cost savings versus Takeda’s Prostap DCS.
  • The email included a cost-saving section (eg, “Annual cost saving with Lutrate: £135 per patient”) and a poll asking which patients recipients would consider prescribing Lutrate for, including “Those eligible patients currently receiving Prostap”.
  • Takeda alleged the email implied Lutrate and Prostap were interchangeable despite Lutrate having narrower licensed indications, risking inappropriate prescribing and overstated savings.
  • Takeda also challenged a “novel formulation to maintain effective testosterone suppression” claim as implying superiority and disparaging other leuprorelin formulations.
  • Takeda alleged lack of fair balance (efficacy without safety) and challenged “simple and easy to administer” as an unsubstantiated/hanging comparison.
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Outcome

  • Breach found: the email implied Lutrate and Prostap were interchangeable, inconsistent with Lutrate’s SPC (Clause 3.2).
  • Breach found: cost-savings claims were misleading and did not promote rational use (Clauses 7.2, 7.3 and 7.10).
  • No breach: fair balance allegation (Clause 7.2) — Panel accepted that safety information in prescribing information was sufficient in context.
  • Breach found: “Novel formulation to maintain effective testosterone suppression” implied special merit not established and disparaged other leuprorelin formulations (Clauses 7.10 and 8.1).
  • No breach: “simple and easy to administer” was not considered a comparison/hanging comparison on the evidence available (no breach of Clauses 7.2 and 7.3 as ruled by the Panel for this point).
  • Breach found: high standards not maintained due to lack of clarity on indications and broad cost-saving claim (Clause 9.1).
  • No breach: Clause 2 (particular censure) — Panel did not consider the material brought discredit on the industry.
  • No appeal.
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