Merck & Co., Inc. Withdraws MAA for Bone Cancer Treatment
Published: Nov 30, 2012
The application for Marketing Authorisation for ridaforolimus was accepted by the EMA in August 2011. At the time of the withdrawal it was under review by the Agency’s Committee for Medicinal Products for Human Use (CHMP). In its letter to the EMA, Merck said that the withdrawal of ridaforolimus was based on the provisional view of the CHMP that the data available to date and provided in the Marketing Authorisation Application were not sufficient to permit licensure of ridaforolimus in the European Union for the maintenance treatment of patients with soft tissue sarcoma or primary malignant bone tumor.
Although the application for these uses was withdrawn, Merck is studying ridaforolimus in combination with other drugs in other tumor types. The withdrawal of the European application of ridaforolimus for the maintenance treatment of patients with soft tissue sarcoma or primary malignant bone tumor does not change Merck’s commitment to the ongoing clinical trials with ridaforolimus.
Ridaforolimus is an investigational small-molecule inhibitor of the protein mTOR, a protein that acts as a central regulator of protein synthesis, cell proliferation, cell cycle progression and cell survival, integrating signals from proteins, such as PI3K, AKT and PTEN, known to be important to malignancy.
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Pam Eisele, +1 908-423-5042
Catherine Cantone, +1 908-423-5399
Carol Ferguson, +1 908-423-4465