Improving mood with psychoanalytic and cognitive therapies (IMPACT): a pragmatic effectiveness superiority trial to investigate whether specialised psychological treatment reduces the risk for relapse in adolescents with moderate to severe unipolar depression: study protocol for a randomised controlled trial

Table 1 Assessments administered at research baseline and each follow-up point throughout the trial

Assessment points	Interviews	Self Report Questionnaires	Clinician Administered measures
Baseline (0 weeks)	Adolescent: K-SADS, CGAS, C-SSRS, ZAN:BPD,HoNOSCA Carer: K-SADS, CGAS, HoNOSCA, CA-SUS	Adolescent: YPQ, EQ-5D, RRS, RTSHIA, DSC, DEQ, DES-IV, APQ, LEQ, FAD & Friendships Questionnaire, Carer: YPQ, FAD, APQ, LEQ, SCL:90 & Friendships questionnaire
6 weeks	Adolescent: K-SADS, CGAS, C-SSRS, HoNOSCA Carer: K-SADS, CGAS, HoNOSCA, CA-SUS	Adolescent: YPQ, EQ-5D, RRS, RTSHIA & WAI-S Carer: WAI-S & SCL:90	Adolescent: WAI-S & CGI
12 weeks	Adolescen:t K-SADS, CGAS, C-SSRS, HoNOSCA Carer: K-SADS, CGAS, HoNOSCA, CA-SUS	Adolescent: YPQ, EQ-5D, RTSHIA, DSC, DES-IV, APQ, LEQ, FAD, WAI-S & Friendships Questionnaire Carer: FAD, APQ, LEQ, WAI-S, SCL:90 & Friendships questionnaire	Adolescent: WAI-S & CGI
36 weeks	Adolescent: K-SADS, CGAS, C-SSRS, HoNOSCA Carer: K-SADS, CGAS, C-SSRS, HoNOSCA, CA-SUS	Adolescent: YPQ, EQ-5D, RTSHIA & WAI-S Carer: WAI-S & SCL:90	Adolescent: WAI-S
52 weeks	Adolescent: K-SADS, CGAS, C-SSRS, HoNOSCA, ZAN:BPD Carer: K-SADS, CGAS, HoNOSCA, CA-SUS	Adolescent: YPQ, EQ-5D, RTSHIA, RRS, FAD, DSC, DEQ, DES-IV, APQ & Friendships Questionnaire Carer: YPQ, FAD, APQ, LEQ, Friendships questionnaire & SCL:90
86 weeks	Adolescent: K-SADS, CGAS, C-SSRS, HoNOSCA Carer: K-SADS, CGAS, HoNOSCA, CA-SUS	Adolescent: YPQ, EQ-5D, RTSHIA, RRS & DEQ Carer: None

ISSN: 1745-6215