“…We identified 30 unique studies that met PICO criteria. These studies comprised 35 comparisons and 2,057 children and adolescents with OCD randomized to one of eight conditions: in‐person CBT (20 comparisons; Asbahr et al., 2005; Aspvall et al., 2021; Barrett, Healy‐Farrell, & March, 2004; Bolton et al., 2011; Bolton & Perrin, 2008; de Haan, Hoogduin, Buitelaar, & Keijsers, 1998; Fatori et al., 2018; Freeman et al., 2008, 2014; Himle et al., 2003; Lewin et al., 2014; O'Neill et al., 2017; Piacentini et al., 2011; POTS, 2004; Russman Block et al., 2023; Storch et al., 2013; Williams et al., 2010), SRIs (14 comparisons; DeVeaugh‐Geiss et al., 1992; Geller et al., 2001, 2004; Liebowitz et al., 2002; March et al., 1998; March, Johnston, Jefferson, Kobak, & Greist, 1990; POTS, 2004; Riddle et al., 1992, 2001), in‐person CBT + SRIs (five comparisons; POTS, 2004; Storch et al., 2013) CBT delivered via webcam/telephone (four comparisons; Comer et al., 2017; Hollmann et al., 2022; Storch et al., 2011; Turner et al., 2014), ICBT (two comparisons; Aspvall et al., 2021; Lenhard et al., 2017), pill placebo (nine comparisons; DeVeaugh‐Geiss et al., 1992; Geller et al., 2001, 2004; Liebowitz et al., 2002; March et al., 1990, 1998; POTS, 2004; Riddle et al., 1992, 2001), relaxation training (five comparisons; Freeman et al., 2008, 2014; Himle et al., 2003; Piacentini et al., 2011; Russman Block et al., 2023), and waitlist (eight comparisons; Barrett et al., 2004; Bolton et al., …”