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CMRX Stock Skyrockets in 3 Months: Here's What You Should Know

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Shares of Chimerix CMRX have skyrocketed 323.7% in the past three months following the company’s submission of a new drug application (NDA) to the FDA, seeking accelerated approval for its lead candidate, dordaviprone, to treat patients with recurrent H3 K27M-mutant diffuse glioma. CMRX’s dordaviprone is a first-in-class small molecule imipridone with a novel mechanism of action.

Chimerix has also requested the FDA to grant the Priority Review status to the dordaviprone NDA filing for the glioma indication. A filing accepted under the regulatory body’s Priority Review pathway reduces the review period to six months from the standard 10 months. This status is given to treatments that the FDA believes, could significantly improve existing options or provide solutions where no approved therapy exists. Subject to a grant from the FDA, a final decision is expected in the third quarter of 2025.

Please note that CMRX’s dordaviprone already enjoys the Rare Pediatric Disease Designation for H3 K27M-mutant glioma in the United States. Following the NDA submission, the company has also requested the FDA for a Rare Pediatric Disease Priority Review Voucher.

Chimerix, still in the clinical stage, has no marketed drugs. However, potential FDA approval of dordaviprone for K27M-mutant glioma could make it its first approved product, with a U.S. launch planned next year.

In the past six months, CMRX shares have soared 380.7% against the industry’s 9.9% decline.

Zacks Investment Research
Zacks Investment Research


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More on the NDA Submission for CMRX’s Glioma Drug

Chimerix’s dordaviprone NDA for the glioma indication is supported by the phase II objective response rate of the 50-patient primary efficacy analysis, assessed by a blinded independent central review. Using the latest Response Assessment in Neuro-Oncology 2.0 criteria for gliomas, dordaviprone achieved an objective response rate of 28%, with a median duration of response of 10.4 months and a median time to response of 4.6 months.

Additional clinical data sets and patient narratives that further support the primary efficacy analysis have also been included in the NDA submission. Dordaviprone has demonstrated the ability to reverse the central hallmark of H3 K27M-mutant glioma, H3K27 trimethyl loss, in both clinical and nonclinical studies. A robust safety database, including data from glioma patients and healthy volunteers, underscores the candidate’s favorable benefit/risk profile. Comprehensive clinical pharmacology and CMC studies also strengthen the NDA submission.

H3 K27M-mutant gliomas are highly aggressive, impacting more than 2,000 patients annually in the United States. If approved, dordaviprone would be the first FDA-approved treatment for this deadly disease and among the first molecularly targeted therapies for high-grade gliomas.