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Drug Development

FDA drug approvals hit all-time high

The 59 new molecular entities approved include small molecules, biologics, and new modalities

by Lisa M. Jarvis
January 2, 2019

Last year was a busy one for the US Food and Drug Administration. Drug approvals hit an all-time high, with 59 new molecular entities securing the agency’s permission to head to market.

Small molecules continue to account for the lion’s share of new drugs, comprising 64% of therapies approved in 2018. Antibodies represented 20% of approvals. But with 15% of new drugs falling outside of those two main modalities, the list also reflects the increasingly diverse approaches researchers are using to take down diseases—particularly rare, genetic diseases.

Indeed, one of the highlights of the year was the approval of the first drug, Alnylam Pharmaceuticals’ Onpattro, that acts by RNA interference. Onpattro uses short, double-stranded nucleotides to intercept mRNA before it can deliver the instructions for assembly of an unwanted protein.

It was a scientific achievement, but the commercial viability of the product—and, more generally, RNAi technology—remains to be seen. Just two months after Onpattro made it onto the market, Akcea Therapeutics and Ionis Pharmaceuticals won approval for an antisense oligonucleotide for the same rare disease, hereditary transthyretin-mediated amyloidosis, addressed by Onpattro. And Pfizer has long worked on a small molecule for the disease.

Another notable new drug was Loxo Oncology and Bayer’s Vitrakvi, which became the second cancer therapy to be approved that treats people based on their genetic profile, rather than location of their tumor. Overall, the FDA gave its nod to 16 new cancer therapies, an increase from the 12 cancer drugs approved in 2017. Of the oncology drugs approved, seven treat some form of blood cancer.

Beyond new modalities and cancer, last year’s class brought treatments for long-underserved diseases. Among the advances: a new class of drug for migraine prevention, the first new pill for endometriosis in over a decade, and the first marijuana-extracted treatment, Epidiolex, for a rare form of epilepsy.

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Comments
Seyda Caskurlu (January 3, 2019 10:22 AM)
Please check Poteligeo's indication once again

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