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Pharma Tech Outlook | Tuesday, May 18, 2021
KP879, KemPharms lead product candidate based on SDX and intended to treat Stimulant Use Disorder (SUD), could be Schedule IV if approved by the FDA.
FREMONT, CA: KemPharm, a specialty pharmaceutical firm engaged in the discovery and development of proprietary prodrugs, announces that serdexmethylphenidate (SDX), KemPharms proprietary prodruT of d-methylphenidate (d-MPH) and the primary active pharmaceutical ingredient (API) in AZSTARYS has been classified as a Schedule IV controlled substance by the U.S. Drug Enforcement Administration (DEA).
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Placement of Serdexmethylphenidate in Schedule IV, published in the Federal Register, the DEA concluded that SDX meets the 21 U.S.C. 812(b)(4) feature for placement in schedule IV of the Controlled Substances Act. This determination was powered by an eight-factor analysis of the abuse potential, legitimate medical use, and liability of SDX by the U.S. Department of Health and Human Services, which concluded that SDX is related in action to the schedule IV substance phentermine and can be expected to have a potential for abuse. HHS affirmed that SDX demonstrated a lower ability for abuse in clinical trials compared to d-MPH, a Schedule II controlled substance under the CSA.
The decision by the DEA further develops confidence in how parents, healthcare providers, and payors will view AZSTARYS as an option to consider for patients living with ADHD, which will commercialize AZSTARYS in the U.S. The company believes the knowledge that SDX, which comprises 70 percent of the API in AZSTARYS, has been classified as a Schedule IV controlled substance will be meaningful when considering the advantage of SDXs lower abuse potential. The company is enthusiastically continuing its commercial launch preparations to bring AZSTARYS to the U.S. market as early as the second half of 2021.
The DEAs decision may also impact the value proposition for KemPharms lead pipeline product candidate, KP879, and potentially other SDX-based products. If approved, KP879 can be a Schedule IV product. Physicians who are treating patients seeking to overcome addictions to cocaine, methamphetamine, or other stimulants can prescribe KP879 to know that the product candidate could have a lower ability for abuse. For a therapeutic area that presently has no approved treatments available, this determination could be a game-changer.
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