Drug treatment outcomes research study | findings

Assessing the impact of drug treatment

Dec 2009 |

DTORS is the largest national study of drug treatment outcomes in England. It found:

  1. After three months, the proportion committing offences halved.
  2. Three months after seeking treatment, the proportion using heroin, crack and many other drugs fell by around 50%.
  3. The findings indicate that drug treatment needs to be sufficiently flexible to respond to the range of pressures reinforcing an individuals’ dependency.
  4. Motivation is often seen as key to long term change.
  5. 76% of treatment seekers completed their planned treatment, or remained in treatment for at least 12 weeks.
  6. Contextual factors, such as accommodation, influenced success.
  7. Drug treatment is cost-beneficial.
After three months, the proportion committing offences halved.

40% of those seeking treatment had committed criminal offences in the 4 weeks prior to the start of treatment. At the first followup interview 3 months later, this had halved to 21%, and at 12 months fell again to 16%.

Improvements were also seen in the proportions with employment, stable housing, and mental health, though the mental wellbeing scores remained below the UK average.

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Three months after seeking treatment, the proportion using heroin, crack and many other drugs fell by around 50%.

The proportion of treatment seekers using heroin, crack, cocaine, amphetamines or benzodiazapines approximately halved by the time of the 2nd interview.

The proportion using non-prescribed methadone, or opiates other than heroin and methadone, fell by more than half, whereas the proportion consuming cannabis or alcohol fell by considerably less.

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The findings indicate that drug treatment needs to be sufficiently flexible to respond to the range of pressures reinforcing an individuals’ dependency.

Treatment seekers face a range of pressures reinforcing their dependency. A current challenge to service providers was responding comprehensively to clients' needs against a backdrop of increasing numbers and longer retention in drug treatment.

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Motivation is often seen as key to long term change.

Some treatment providers and treatment users made the distinction between motivation that was just at the surface level and a 'deep' level of motivation.

It was reported that 'surface' level motivation could lead to positive short-term impacts but were seen as unlikely to lead to  longer-term recovery.

Referral to treatment via the criminal justice system (CJS) did not seem to affect treatment seekers' motivation positively or negatively.

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76% of treatment seekers completed their planned treatment, or remained in treatment for at least 12 weeks.

Levels of completion or three-month retention in treatment were generally high, but were lower among treatment seekers in their first experience of structured treatment.

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Contextual factors, such as accommodation, influenced success.

The context in which treatment was taking place can help or hinder change. Key factors included the level of drug taking in a participant's immediate environment, the presence of stressors in their life (particularly their housing situation), the presence or lack of a support network, and the attitude and approach of non-specialist services.

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Drug treatment is cost-beneficial.

Manchester University's cost benefit analysis estimated that, for every £1 spent on drug treatment, an estimated £2.50 was saved. Drug treatment was cost-beneficial in 80% of cases.

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