It is very uncertain whether metformin changes leaving the study early: for any reason compared with placebo or no treatment (very low certainty).
It is very uncertain whether GROUP PSYCHOSOCIAL THERAPY (GPT) + TAU changes leaving the study early: For any reason compared with TAU (all short‐term) (very low certainty).
STRUCTURAL GROUP THERAPY (SGT) + TAU showed no clear difference in leaving the study early: For any reason compared with HANDICRAFT GROUP (HC) + TAU (all short‐term) (low certainty).
The review found no eligible studies for this question.
It is very uncertain whether COMPUTER‐ASSISTED COGNITIVE REMEDIATION PROGRAMME (CACR) changes leaving the study early: For any reason compared with COMPUTER GAMES (CG, all short‐term) (very low certainty).
PSYCHOEDUCATIONAL (PE) + MULTIFAMILY TREATMENT (MFT) showed no clear difference in leaving the study early: For any reason compared with NONSTRUCTURED GROUP THERAPY (NSGT, all long‐term) (low certainty).
It is very uncertain whether COGNITIVE REMEDIATION THERAPY (CRG) + TREATMENT‐AS‐USUAL (TAU) changes leaving the study early: For any reason compared with TAU (all short‐term) (very low certainty).
It is very uncertain whether chlorpromazine changes leaving the study early: for any reason compared with clotiapine (very low certainty).
Modafinil showed no clear difference in leaving the study early ‐ for any reason compared with placebo (moderate certainty).
It is very uncertain whether chlorpromazine changes leaving the study early ‐ for any reason compared with piperacetazine (very low certainty).
It is very uncertain whether TEMPOROPARIETAL TMS changes adverse effects: Leaving the study early compared with STANDARD TREATMENT (very low certainty).
PREFRONTAL TMS showed no clear difference in adverse effects: Leaving the study early compared with SHAM TMS (low certainty).
PREFRONTAL TBS TMS showed no clear difference in adverse effects: Leaving the study early compared with SHAM TMS (low certainty).
TEMPOROPARIETAL TMS showed no clear difference in adverse effects: Leaving the study early compared with SHAM TMS (low certainty).
It is very uncertain whether non‐TFCBT changes leaving the study early due to any reason compared with waitlist/Usual Care (very low certainty).
It is very uncertain whether other therapies changes leaving the study early due to any reason compared with waitlist/Usual Care (very low certainty).
Quetiapine showed no clear difference in leaving the study early due to any reason compared with typical antipsychotics (moderate certainty).
Integrated models of care showed no clear difference in leaving the study early: Lost to treatment compared with standard care (low certainty).
Cognitive behavioural therapy showed no clear difference in leaving the study early: Lost to treatment compared with standard care (low certainty).
Contingency management probably leads to higher leaving the study early: Lost to treatment compared with standard care (moderate certainty).