FDA ‘Complete Response’ on Chiasma’s NDA for Mycapssa

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FDA has sent Chiasma, Inc. a complete response letter (CRL) on its NDA for Mycapssa (octreotide) capsules for the maintenance treatment of adult patients with acromegaly. Upon completing its review, the agency told the company that the submission had not provided substantial evidence of efficacy to warrant approval and that another clinical trial is needed in order to overcome this deficiency.

 

The CRL also expressed concerns regarding certain aspects of the company’s single-arm, open-label Phase 3 clinical trial and strongly recommended that the company conduct a randomized, double-blind and controlled trial that enrolls patients from the U.S. “and be of sufficiently long duration to ensure that control of disease activity is stable at the time point selected for the primary efficacy assessment,” the company says. In addition, FDA advised that during a recent site inspection certain deficiencies were cited at one of Chiasma’s suppliers that would need to be resolved before approval.  The letter did not note any safety concerns related to Mycapssa, it says.

 

Acromegaly typically develops when a benign tumor of the pituitary gland produces too much growth hormone, which leads to significant health problems and early death if untreated.  There are about 69,000 individuals with acromegaly worldwide.

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