INVESTOR ALERT: Law Offices of Howard G. Smith Announces Investigation on Behalf of Karyopharm Therapeutics, Inc. Investors (KPTI)

BENSALEM, Pa.–(BUSINESS WIRE)–$KPTI #classaction–Law Offices of Howard G. Smith announces an investigation on behalf of Karyopharm Therapeutics, Inc. (“Karyopharm” or the “Company”) (NASDAQ: KPTI) investors concerning the Company and its officers’ possible violations of federal securities laws.

On February 22, 2019, the U.S. Food and Drug Administration (“FDA”) released a briefing document which contradicted the Company’s assertions that its treatment selinexor was “well-tolerated” by patients. Specifically, the FDA revealed that a previous trial of the Company’s selinexor yielded “worse overall survival” and concluded that selinexor “is associated with significant toxicity” and “limited efficacy.”

On this news, shares of Karyopharm fell $3.90 per share, or over 43%, to close at $5.07 per share on February 22, 2019, thereby injuring investors.

If you purchased Karyopharm securities, have information or would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Howard G. Smith, Esquire, of Law Offices of Howard G. Smith, 3070 Bristol Pike, Suite 112, Bensalem, Pennsylvania 19020 by telephone at (215) 638-4847, toll-free at (888) 638-4847, or by email to [email protected], or visit our website at www.howardsmithlaw.com.

This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and ethical rules.

Contacts

Law Offices of Howard G. Smith

Howard G. Smith, Esquire

215-638-4847

888-638-4847

[email protected]

www.howardsmithlaw.com

For more than 50 years, Business Wire has been the global leader in press release distribution and regulatory disclosure.

For the last half century, thousands of communications professionals have turned to us to deliver their news to the audiences most important to their business through the sources they trust most. Over that time, we've gone from a single office with one full time employee to more than 500 employees in 32 bureaus.