Recent Dutch research found that use of acid-suppressive drugs increased the risk of pneumonia.

BBC: NEWS | Health | Warning over gut drugs reliance

"Early success at hand transplantation can be achieved with the use of currently available immuno-suppressive drugs, " he said.

BBC: Hand transplant 'a success'

The tumor's growth was accelerated by the immuno-suppressive drugs Millington was taking to prevent his body rejecting the transplanted lungs, the inquest heard.

CNN: Soldier dies after receiving smoker's lungs in transplant

He suggested that the ideal candidate for a hand transplant would be a patient who was "already taking immuno-suppressive drugs for a life-threatening problem".

BBC: Hand transplant 'a success'

Still others had been expelled or declared Suppressive Persons.

NEWYORKER: The Apostate