** Shares of drug developer VectivBio Holding AG VECT.O
rise 10.7% to $14 premarket
** U.S. FDA grants 'orphan drug' designation to co's
experimental therapy, apraglutide, for treatment of acute
graft-versus-host disease urn:newsml:reuters.com:*:nGNX7vDnM7
** Orphan status is granted to treatments for rare diseases
or disorders that affect fewer than 200,000 people in the United
States
** VectivBio plans to initiate mid-stage trial evaluating
apraglutide for treatment of graft-versus-host disease in Q1 of
2022
** Graft-versus-host disease is a multisystem disorder that
is a common complication of stem cell transplants - where the
transplanted immune system attacks the recipient's body
(Reporting by Mrinalika Roy in Bengaluru)
((mrinalika.roy@thomsonreuters.com; within U.S. +1 646 223
8780, outside U.S. +91 806749 8325;))