Overview The Effects of DHA on Periodontitis Status: Completed Trial end date: 2011-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether docosahexaenoic acid (DHA) is effective in the treatment of periodontitis in adults. Phase: Phase 2 Details Lead Sponsor: Beth Israel Deaconess Medical CenterCollaborators: Harvard Medical SchoolHarvard Medical School (HMS and HSDM)National Center for Research Resources (NCRR)Treatments: Aspirin