Sir David Nicholson has told MPs he regrets not meeting with the campaign group 'Cure the NHS' when the failings at Stafford Hospital came to light.
He told the Health Select Committee he instead dealt with them through intermediaries and "that was wrong".
Cure the NHS campaigned for a public inquiry into the failings of the Mid Staffordshire Hospital.
More top news
The plans had been in development since 2014, but would help underline Britain as a "global player" following the Brexit result.
The number of calls about children suffering or witnessing emotional abuse or physical violence in the home has surged in recent years.
The curtain will come down on the show for the final time at the Piccadilly Theatre in March next year, before embarking on a UK tour.