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Heroin-assisted treatment

Heroin-assisted treatment is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Heroin-assisted treatment rather than just read about it. In short: Heroin-assisted treatment (HAT), or diamorphine-assisted treatment, refers to a type of Medication-Assisted Treatment (MAT) where semi-synthetic heroin is prescribed to opioid addicts who do not benefit from, or cannot tolerate, treatment with one of the established drugs used in opioid replacement therapy such as methadone or buprenorphine/naloxone (brand name Suboxone). For this group of patients, heroin-assisted…

Key takeaways

  • Heroin-assisted treatment belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Heroin-assisted treatment to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Heroin-assisted treatment from memory before moving on to harder problems.

Reference excerpt

Heroin-assisted treatment (HAT), or diamorphine-assisted treatment, refers to a type of Medication-Assisted Treatment (MAT) where semi-synthetic heroin is prescribed to opioid addicts who do not benefit from, or cannot tolerate, treatment with one of the established drugs used in opioid replacement therapy such as methadone or buprenorphine/naloxone (brand name Suboxone). For this group of patients, heroin-assisted treatment has proven superior in improving their social and health situation. Heroin-assisted treatment is fully a part of the national health system in Switzerland, Germany, the Netherlands, Canada, and Denmark. Additional trials are being carried out in the United Kingdom, Norway, and Belgium.

History The British have had a system of heroin maintenance since the 1920s. For decades it supplied a few hundred addicts nationwide, most of whom were doctors themselves. It was de-emphasized considerably during the 1960s-1980s as a result of the U.S.-led war on drugs. In the 1980s and early 1990s, Dr John Marks ran heroin-prescribing clinics in Liverpool, Widnes and Warrington that were highly controversial. Because of the lack of large-scale trials, only anecdotal evidence existed as to the efficacy of the treatment. This changed in 1994 when Switzerland, faced with one of the largest open drug scenes in Europe at the time, started large-scale trials on the potential use of diamorphine as a maintenance drug. They proved diamorphine to be a viable maintenance drug which has shown equal or better rates of success than methadone in terms of assisting long-term users establish stable, crime-free lives. These results encouraged countries like Germany and the Netherlands to conduct their own trials and finally to include heroin-assisted treatment fully as a part of the national health system in 2009. In Switzerland, heroin has been made available under supervision to addicts since around 1994. Several studies have been conducted between 1994 and 1996.

Positions

Favor In recent years the British have begun moving towards the inclusion of heroin maintenance programs as a legitimate component of their National Health Service. In 2013 European Union's European Monitoring Centre for Drugs and Drug Addiction issued guidelines for the years 2013–2020; for the first time since the EMCDDA's 1995 inception, the group advocated "reducing the health and social risks and harms caused by drugs" in addition to longstanding policies of lessening demand and supply. Groups such as United Nations Office on Drugs and Crime and the Transnational Institute have released documents advocating harm-reduction strategies, though only the latter mentions heroin-assisted therapy.

Opposition Groups such as the Drug Free America Foundation, have criticized heroin-assisted treatment along with other harm reduction strategies for allegedly creating the perception that certain behaviors can be partaken safely, such as illicit drug use, claiming that this may lead to an increase in that behavior by people who would otherwise be deterred.

We oppose so-called `harm reduction´ strategies as endpoints that promote the false notion that there are safe or responsible ways to use drugs. That is, strategies in which the primary goal is to enable drug users to maintain addictive, destructive, and compulsive behavior by misleading users about some drug risks while ignoring others. Such shortcomings arguably exist with some harm reduction measures, such as supervised injection facilities. These facilities provide users with the information and equipment necessary to avoid infection with diseases such as HIV, but leave them dependent on the black market. So users still face the health risk associated with the injection of impure street drugs and they still face the enormous financial strain of financing their addiction. In the case of heroin-assisted treatment however, users are provided with a form of pharmaceutical-grade heroin injection solution which doctors consider fit for injection. And as doctors refrain from drastic changes in dose and provide post-injection monitoring, overdoses are rare and can be quickly treated with opioid antagonists like naloxone. Thus, patients in heroin-assisted treatment are relieved from the major complex of problems that defines illicit heroin use. Synthetic heroin taken under the aforementioned conditions is not neurotoxic and has few long-term side effects beside constipation and dependency. And while it had been speculated that the availability of such treatment options might change public perception of the risks associated with drug use and might lead to an increase in illicit drug use, the incidence of heroin abuse in Switzerland has declined sharply since the introduction of heroin-assisted treatment. As a study published in The Lancet concluded:

The harm reduction policy of Switzerland and its emphasis on the medicalisation of the heroin problem seems to have contributed to the image of heroin as unattractive for young people." Also, the notion that patients in such treatment programs are enabled to maintain "destructive behavior" contradicts the findings that patients significantly recover in terms of both their social and health situation. A clinical follow-up report on the German study on this matter found that 40% of all patients and 68% of those able to work had found employment after four years of treatment. Some even started a family after years of homelessness and delinquency.

See also Opioid agonist therapy Drug policy of Switzerland Drug policy of the Netherlands

References

Worked examples

Example 1 — a first encounter with Heroin-assisted treatment

Start with the simplest possible case. Write down what Heroin-assisted treatment claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Heroin-assisted treatment before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Heroin-assisted treatment ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Heroin-assisted treatment

In research
Heroin-assisted treatment appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Heroin-assisted treatment in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Heroin-assisted treatment is common in secondary-school and first-year university syllabi. It links to neighbouring topics Alternative medical treatments, Drug policy, Drug rehabilitation, so understanding it makes those chapters shorter.
In everyday life
Look for Heroin-assisted treatment outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Heroin-assisted treatment in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Heroin-assisted treatment means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Heroin-assisted treatment out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Heroin-assisted treatment in simple terms?

Heroin-assisted treatment (HAT), or diamorphine-assisted treatment, refers to a type of Medication-Assisted Treatment (MAT) where semi-synthetic heroin is prescribed to opioid addicts who do not benefit from, or cannot tolerate, treatment with one of the established drugs used in opioid replacement…

Why does Heroin-assisted treatment matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Heroin-assisted treatment?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Heroin-assisted treatment.

Tags

  • Alternative medical treatments
  • Drug policy
  • Drug rehabilitation
  • Heroin

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