Clinical-stage pharmaceutical company Plus Therapeutics (NASDAQ: PSTV) has announced that the US Food and Drug Administration (FDA) has granted the company orphan drug designation, sending its stock skyrocketing.
The designation is for the company’s lead investigational drug Rhenium NanoLiposomes (RNL) which is used to treat patients with recurrent glioblastoma.
The FDA grants orphan designation to support the development of medicines to treat rare conditions.
Ready to put what you’ve learned into practice?
Try IG’s platform with £10,000 in virtual funds and practise trading
without putting your own money at risk.
Try IG with a demo account →
Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 69% of retail investor accounts lose money when trading spread bets and CFDs with this provider.
Learn the markets with IG Academy
Build your knowledge with IG Academy educational content, then use a
demo account to practise what you’ve learned on the IG platform.
Explore IG →
Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 69% of retail investor accounts lose money when trading spread bets and CFDs with this provider.
See how trading works before risking real money
IG’s demo gives you access to thousands of markets and £10,000 in
virtual funds, so you can explore the platform and test your ideas first.
Open an IG demo →
Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 69% of retail investor accounts lose money when trading spread bets and CFDs with this provider.
Turn trading theory into practical experience
Learn with IG Academy, explore charts and market tools, and practise
strategies in a simulated trading environment before going live.
Start practising with IG →
Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 69% of retail investor accounts lose money when trading spread bets and CFDs with this provider.
Ready to take your learning further?
IG combines market education, analysis and an established trading platform,
giving you the tools to keep learning as you develop your trading skills.
Discover IG →
Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 69% of retail investor accounts lose money when trading spread bets and CFDs with this provider.
Because they treat rare conditions, the drugs would not be profitable to produce without government assistance, and the designation means that the company will be provided with certain benefits including the exemption of fees and tax benefits.
“Receiving FDA orphan drug designation and approval to advance the trial into Cohort 6 are key milestones in our development of this treatment for recurrent glioblastoma,” said Dr Marc Hedrick, President and Chief Executive Officer of Plus Therapeutics.
PSTV stock price…

Source: TradingView
As mentioned, after the announcement, shares of Plus Therapeutics have soared premarket and are currently trading at $3.12 per share, up 27.35%. Its share price has gained 43% in the last three months.