The Health Minister Mike Nesbitt said his recent engagement with familes was the first in a series of meetings.
The final report from the public inquiry into abuse at the hospital was published last week.
The long-awaited final report into the abuse at Muckamore Abbey Hospital was published last week.
Jennifer Dawson said her brother Matthew is "suffering from trauma" from living in Muckamore Abbey Hospital.
The long-awaited final report into the abuse of vulnerable adults at Muckamore Abbey Hospital is due to be published on Thursday.
Laura, 41, was admitted to Muckamore Abbey Hospital when she was 16 and lived there for more than 17 years.
A woman whose daughter was treated at two facilities, including Muckamore Abbey Hospital, says she feels lessons haven't been learned.
The letters acknowledged the pain and suffering that their loved ones experienced in the care of the Belfast Health and Social Care Trust.
Glynn Brown's son Aaron is unable to communicate and has round the clock support.