The executive medical director for Rotherham, Doncaster and South Humber NHS Foundation Trust apologised to families victims of abuse after two care workers were convicted.
Dr Nav Ahluwalia said: "We apologise again today for the actions of the individuals that have been found guilty".
"The trust has implemented improvements to the learning disability service at this centre to minimise the risks of such incidents happening again", he added.
Susan Murphy and James Hinds will be sentenced today after being found guilty of abusing 12 patients at the Solar Centre in the 17 May.
More top news
Home Secretary Amber Rudd has attacked Labour's capabilities to effectively deal with any future terrorism threats facing the UK.
Tori Lee Castillo, 39, has been arrested on suspicion of child abuse.
Her husband Paul remains in hospital after being seriously injured in the attack -and is it unclear if he knows Elaine has died.