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Acadia (ACAD) Files an NDA for Its Rett Syndrome Candidate

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Acadia Pharmaceuticals Inc. (ACAD - Free Report) announced that it has submitted a new drug application or NDA to the FDA seeking approval of its pipeline candidate, trofinetide, for the treatment of Rett syndrome in adults and pediatric patients aged two years and above.

The regulatory filing was based on data from the pivotal phase III Lavender study, which evaluated the safety and efficacy of trofinetide versus placebo for treating Rett syndrome in girls and young women aged five to 20 years.

Rett syndrome is a rare neurological disorder for girls aged between five and 20 years.

Shares of Acadia have lost 35.7% so far this year compared with the industry’s decrease of 20.5%.

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In December 2021, ACAD announced positive top-line data from the pivotal phase III Lavender study evaluating trofinetide for the treatment of Rett syndrome.

The study met its co-primary endpoints by demonstrating statistically significant improvement over placebo in the Rett syndrome behavior questionnaire and the clinical global impression of progress at 12 weeks.

Also, treatment with trofinetide led to statistically significant improvement versus placebo in CSBS-DP-IT–Social, caregiver scale of ability to communicate  — a key secondary endpoint.

In 2018, ACADIA entered into a license agreement with Australian biopharmaceutical company, Neuren Pharmaceuticals Limited, and obtained exclusive North American rights to develop and commercialize trofinetide for Rett syndrome and other indications.

If approved, trofinetide can become the second approved drug in Acadia’s portfolio of marketed drugs. Upon potential approval, trofinetide can lend a significant boost to the company and lower its sole dependence on Nuplazid (pimavanserin) for revenues.

Currently, Acadia’s top line solely comprises sales of its only marketed drug, Nuplazid, in the United States. The drug is approved for the treatment of hallucinations and delusions associated with Parkinson’s disease psychosis.

Last month, the FDA’s Psychopharmacologic Drugs Advisory Committee (“PDAC”) voted (nine-three) against the supplemental new drug application (sNDA) for Nuplazid for treating hallucinations and delusions associated with Alzheimer's disease psychosis.

Earlier, the FDA had asked the committee for advice and recommendations regarding the evidence that pimavanserin is effective for the given indication. Though the FDA is not completely bound by the PDAC’s recommendations, it usually follows the same. The FDA’s decision date for the sNDA is Aug 4.

The FDA had issued a complete response letter to the sNDA for Nuplazid in April 2021.

Zacks Rank & Stocks to Consider

Acadia currently carries a Zacks Rank #3 (Hold). Better-ranked stocks in the biotech sector are Anika Therapeutics, Inc. (ANIK - Free Report) , Fate Therapeutics, Inc. (FATE - Free Report) and Beam Therapeutics Inc. (BEAM - Free Report) , all carrying a Zacks Rank #2 (Buy) at present. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.

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