Technology Appraisal Guidance No. 371
Source: National Institute for Health and Care Excellence
1.1 Trastuzumab emtansine is not recommended, within its marketing authorisation, for treating adults with human epidermal growth factor 2 (HER2) positive, unresectable locally advanced or metastatic breast cancer previously treated with trastuzumab and a taxane.
1.2 People currently receiving treatment initiated within the NHS with trastuzumab emtansine that is not recommended for them by NICE in this guidance should be able to continue treatment until they and their NHS clinician consider it appropriate to stop.
The guidance shown above constitutes Section 1 of the full document. A copy of the full document and a summary of the evidence is available on the Internet at
This guidance represents the view of the Institute which was arrived at after careful consideration of the available evidence. Health professionals are expected to fully take it into account when exercising their clinical judgement. This guidance does not, however, override the individual responsibility of health professionals to make appropriate decisions in the circumstances of the individual patient, in consultation with the patient and/or guardian or carer.
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Enquiries concerning the guidance should be addressed to: National Institute for Health and Care Excellence, MidCity Place, 71 High Holborn, London WC1V 6NA. email:
Trastuzumab emtansine for treating HER2-positive, unresectable locally advanced or metastatic breast cancer after treatment with trastuzumab and a taxane
Issue Date: December 2015