▁the ▁University ▁of ▁Virginia , ▁is ▁testing ▁a ▁closed - loop ▁system ▁called ▁in Control , ▁which ▁has ▁a ▁smart phone ▁user ▁interface . ▁ 2 4 0 ▁people ▁of ▁ages ▁ 1 4 ▁and ▁up ▁are ▁particip ating ▁for ▁ 6 ▁months . ▁ ▁A ▁full - year ▁trial ▁led ▁by ▁research ers ▁from ▁the ▁University ▁of ▁Cambridge ▁started ▁in ▁May ▁ 2 0 1 7 ▁and ▁has ▁en rolled ▁an ▁estimated ▁ 1 5 0 ▁participants ▁of ▁ages ▁ 6 ▁to ▁ 1 8 ▁years . ▁The ▁artificial ▁pan cre as ▁system ▁being ▁studied ▁uses ▁a ▁smart phone ▁and ▁has ▁a ▁low ▁gl uc ose ▁feature ▁to ▁improve ▁gl uc ose ▁level ▁control . ▁ ▁The ▁International ▁Di ab etes ▁Center ▁in ▁Min ne apolis , ▁Minnesota , ▁in ▁collaboration ▁with ▁Schne ider ▁Children ' s ▁Medical ▁Center ▁in ▁Pet ah ▁T ik va , ▁Israel , ▁are ▁planning ▁a ▁ 6 - month ▁study ▁that ▁will ▁begin ▁in ▁early ▁ 2 0 1 9 ▁and ▁will ▁involve ▁ 1 1 2 ▁ad oles c ents ▁and ▁young ▁adult s , ▁ages ▁ 1 4 ▁to ▁ 3 0 . ▁The ▁main ▁object ▁of ▁the ▁study ▁is ▁to ▁compare ▁the ▁current ▁Med tr onic ▁ 6 7 0 G ▁system ▁to ▁a ▁new ▁Med tr onic - develop ed ▁system . ▁The ▁new ▁system ▁has ▁programming ▁that ▁a ims ▁to ▁improve ▁gl uc ose ▁control ▁around ▁me alt ime , ▁which ▁is ▁still ▁a ▁big ▁challenge ▁in ▁the ▁field . ▁