Taris Bio Taps Third Rock Ventures and Previous Backers in $18.3M Financing Round

Taris Biomedical, an MIT spinout focused on treating bladder diseases, has brought on Third Rock Ventures as its new investor and lead backer in an $18.3 million Series B round of financing. Sarma Duddu, CEO of Lexington, MA-based Taris, says that the funding will be used to advance the company’s lead treatment, which holds the promise to be used for a variety of bladder ailments, into clinical mid-stage trials designed to show whether it works in humans.

Boston-based Third Rock—which made headlines earlier this week by leading a $40 million investment in Blueprint Medicines, Cambridge, MA, cancer drug developer—joined previous Taris backers Flagship Ventures, Flybridge Capital Partners, and Polaris Venture Partners in this round. Cary Pfeffer, a partner at Third Rock and former Biogen Idec (NASDAQ:[[ticker:BIIB]]) executive, has taken a seat on Taris’s board in connection with the financing. Taris, which was co-founded by MIT materials science and biotech inventors Michael Cima and Bob Langer, previously raised $15 million in a Series A round in 2008.

“We’re exciting about Third Rock because they have a track record of investing in highly focused, product-driven companies,” Duddu says. “What is particularly interesting is the way they bring in their own development expertise.” He added that Third Rock partners and co-founders Mark Levin, Kevin Starr, and Robert Tepper—a trio who previously held the CEO, COO, and R&D president titles, respectively, at Millennium Pharmaceuticals—bring a lot of experience in building companies.

Taris is getting a financial boost from its VCs at a key time in the young company’s history. In March the company said it began Phase Ib clinical testing for the lead use of its drug-delivery device for treating interstitial cystitis, also known as painful bladder syndrome. The study will show whether its treatment, which involves putting the device in the bladder and leaving it there for two weeks to continuously deliver a common anesthetic called

Author: Ryan McBride

Ryan is an award-winning business journalist who contributes to our life sciences and technology coverage. He was previously a staff writer for Mass High Tech, a Boston business and technology newspaper, where he and his colleagues won a national business journalism award from the Society of American Business Editors and Writers in 2008. In recent years, he has made regular TV appearances on New England Cable News. Prior to MHT, Ryan covered the life sciences, technology, and energy sectors for Providence Business News. He graduated with honors from the University of Rhode Island in 2001 with a bachelor’s degree in communications. When he’s not chasing down news, Ryan enjoys mountain biking and skiing in his home state of Vermont.