Overview SynRinse Irrigation Pilot (SIP) Trial Status: Completed Trial end date: 2018-05-30 Target enrollment: Participant gender: Summary Assess if the use of SYNRINSE can improve short-term subjective and objective outcome measures after one week in patients with active Chronic Rhinosinusitis (CRS) who have had prior sinus surgery. Phase: Phase 1/Phase 2 Details Lead Sponsor: University of Washington