Table 1.

Major outcomes of the International Consultation on Interstitial Cystitis, Japan (ICICIJ)

ICICIJ	Major outcomes
ICICJ #1 (2003)	· 175 Participants from 17 countries attended the first international meeting, which was a global kick off meeting for interstitial cystitis with both doctors and patients
ICICJ #2 (2007)	· 200 participants from 25 counties
	· Definition of IC: bladder pain syndrome & BPS/ IC
ICICJ #3 (2013)	· 96 Participants from 16 countries
	· Phenotyping of IC based on pathophysiology
ICICJ #4 (2018)	· Discussion on the definition of IC as bladder pain syndrome with Hunner lesion
	· 179 Participants from 20 countries
	· Consensus that Hunner lesion IC/BPS with significant inflammation in the bladder can be categorized as a separate disease entity from other BPS conditions

BPS/IC, bladder pain syndrome/interstitial cystitis.