KP415 Phatmacokinetic Single And Multiple Dose Trial Preliminary Results Announced By KemPharm

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KemPharm, Inc. , a clinical-stage specialty pharmaceutical company focused on the discovery and development of proprietary prodrugs, announced preliminary results of KP415.109.

A Phase I trial designed to assess the relative pharmacokinetics (PK) of three different formulations of KP415 vs. a methylphenidate-containing comparator product (Concerta®) at both single and multiple dose conditions.  KP415 is KemPharm’s co-lead ADHD product candidate.

“We are very pleased to report that our proposed co-formulation of our proprietary extended release (ER) KP415 d-methylphenidate (d-MPH) prodrug together with immediate release (IR) d-MPH demonstrated expected PK parameters in this Phase I trial and is now being readied for further development in a safety and efficacy clinical trial later this year,” said Travis C. Mickle, Ph.D., President and Chief Executive Officer of KemPharm.  “The trial demonstrated the expected early peak exposure due to the IR d-MPH component of the co-formulation, which was followed by sustained exposure to d-MPH from the ER KP415 prodrug over the course of the day, leading us to believe that our product candidate may have a longer total duration than current methylphenidate-based products.  Steady state exposure was reached after a few days with a negligible accumulation of the prodrug and sustained a duration similar that of Concerta after the 12-hour time point.”

“There is a clear need for an extended-release methylphenidate product, with the potential benefit of early onset and longer total duration, as a treatment option for patients,” said Ann Childress, M.D., an attention deficit hyperactivity disorder (ADHD) expert, and President of the Center for Psychiatry and Behavioral Medicine.  “Many patients prefer methylphenidate, but currently must take multiple doses of existing methylphenidate products. That means multiple prescriptions, multiple copays and the inconvenience of multiple daily doses. I am thrilled to see KP415 advance in development."

“Given that this Phase I study performed as anticipated, we remain on schedule to begin the single pivotal efficacy clinical trial of KP415 prior to the end of this year,” added Mickle.  “Assuming the results of the pivotal trial are positive, we anticipate submitting a New Drug Application (NDA) with the FDA prior to the end of 2018.  We are excited for the potential KP415 now has highlighted for us.” 

Data Presentation
Travis C. Mickle, Ph.D., will present the KP415 Phase I data today at the Canaccord Genuity 37th Annual Growth Conference being held at the InterContinental Boston Hotel, in the New York room at 2:00PM (EDT).  The presentation will be webcast and available on the Investor Relations section of the Company's website at http://investors.kempharm.com/

About KemPharm
KemPharm is a clinical-stage specialty pharmaceutical company focused on the discovery and development of proprietary prodrugs to treat serious medical conditions through its LATTM (Ligand Activated Therapy) platform technology.  KemPharm utilizes its LATTM platform technology to generate improved prodrug versions of FDA-approved drugs in the high need areas of pain, ADHD and other central nervous system disorders. KemPharm’s co-lead clinical development candidates are KP415 and KP484, both based on a prodrug of methylphenidate, but with differing extended-release profiles for the treatment of ADHD, and KP201/IR, an acetaminophen-free formulation of the company’s immediate release abuse deterrent hydrocodone product candidate, KP201.  For more information on KemPharm and its pipeline of prodrug product candidates visit www.kempharm.com

Investor Contacts:
Jason Rando / Joshua Drumm, Ph.D.
Tiberend Strategic Advisors, Inc.
212-375-2665 / 2664
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Media Contact:
Daniel L. Cohen
Executive VP, Government and Public Relations
KemPharm, Inc.
202-329-1825
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