European Medicines Agency Recommends Granting a Conditional Marketing Authorisation for Cabozantinib for the Treatment of Medullary Thyroid Cancer
The approved indication concerns the treatment of adult patients with progressive, unresectable locally advanced or metastatic medullary thyroid cancer
On 19 December 2013 the European Medicines Agency Committee for Medicinal Products for Human Use (CHMP) adopted a positive opinion, recommending the granting of a conditional marketing authorisation for the medicinal product cabozantinib (Cometriq) 20 mg and 80 mg hard capsules, intended for the treatment of medullary thyroid cancer, a rare type of thyroid cancer, that cannot be removed by surgery or that has spread to other parts of the body.
Cabozantinib (Cometriq) was designated as an orphan medicinal product on 26 February 2009.
The applicant for this medicinal product is TMC Pharma Services Ltd. They may request a re-examination of any CHMP opinion, provided they notify the European Medicines Agency in writing of their intention within 15 days of receipt of the opinion.
What is mechanism of action of cabozantinib?
The active substance of Cometriq is cabozantinib, an antineoplastic agent, protein kinase inhibitor. Cabozantinib inhibits multiple receptor tyrosine kinases (RTKs) implicated in tumour growth and angiogenesis, pathologic bone remodeling, and metastatic progression of cancer. By inhibiting RTKs, cabozantinib may slow or stop the growth of medullary thyroid cancer.
Benefits of treatment with cabozantinib
The benefits with cabozantinib (Cometriq) are its ability to improve progression-free survival as compared to placebo in patients with progressive, unresectable locally advanced or metastatic medullary thyroid carcinoma.
Side effects profile
The most common side effects are diarrhoea, palmar-plantar erythrodysaesthesia syndrome, decreased weight, decreased appetite, nausea, fatigue, dysgeusia, hair colour changes, hypertension, stomatitis, constipation, vomiting, mucosal inflammation, asthenia and dysphonia. The most common laboratory abnormalities were increased AST, increased ALT, increased ALP, lymphopenia, hypocalcaemia, hypophosphataemia, hyperbilirubinaemia, neutropenia, thrombocytopenia and hypoalbuminaemia.
A pharmacovigilance plan for cabozantinib (Cometriq) will be implemented as part of the marketing authorisation.
The approved indication is: "Cometriq is indicated for the treatment of adult patients with progressive, unresectable locally advanced or metastatic medullary thyroid carcinoma. For patients in whom Rearranged during Transfection (RET) mutation status is not known or is negative, a possible lower benefit should be taken into account before individual treatment decision".
It is proposed that cabozantinib (Cometriq) be prescribed by physicians experienced in the administration of anticancer medicinal products.
Detailed recommendations for the use of this product will be described in the summary of product characteristics, which will be published in the European public assessment report and made available in all official European Union languages after the marketing authorisation has been granted by the European Commission.
The CHMP, on the basis of quality, safety and efficacy data submitted, considers there to be a favourable benefit-to-risk balance for cabozantinib (Cometriq) and therefore recommends the granting of the marketing authorisation. The marketing authorisation is conditional.
A conditional marketing authorisation is granted to a medicinal product that fulfils an unmet medical need when the benefit to public health of immediate availability outweighs the risk inherent in the fact that additional data are still required. The marketing authorisation holder is likely to provide comprehensive clinical data at a later stage.
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