What do systematic reviews say?

Dialectic behaviour therapy with case management vs a health promotion scheme

It is very uncertain whether dialectic behaviour therapy with case management changes number not using cocaine at 6 months compared with a health promotion scheme (very low certainty).

• Interventions for female drug‐using offenders 2019 · Cochrane Headline outcomes only
  RR 1.02 [0.93, 1.12]
  1 study · 116 participants
  Very low