POTS Team including March et al. (2004) OCD study

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What was the Aim of POTS Team Study?
To see if CBT on its own was more or less effective than a drug treatment or if its combined is more effective in treating young people with OCD
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Statistics that the Aim was based On?
33-50% of adults that suffer with OCD developed the disorder in childhood so the National Institute for Mental Health funded the research to try and find the best early intervention
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Sample Size?
A volunteer sample of 112 people aged between 7 and 17. 97 participants completed the study
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Why did only 97 Participants complete the study when 112 volunteered?
The volunteer sample were screened and only those scoring 16 or more on the Children's Yale-Brown Obsessive Compulsive Scale (CY-BOCS) and not comorbid for other disorders could take part so it didn't effect results
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Conditions in the study?
The participant were assigned randomly using a computerized system and they were - Drugs only, Placebo pill only, CBT only and CBT and Drugs
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How did the study start?
All the children where interviewed and their baseline measure was taken using independent evaluators. The study lasted 12 weeks and each child had a specialist psychiatrist to offer support and monitor their progress
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What did the Children in the drugs and placebo only condition have to do?
They were required to attend weekly session for the first 6 weeks and then every other week (9 in total) the dose would be changed as necessary during the clinical session. Parents would monitor that the medication was taken and kept a diary.
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The CBT only condition?
14 clinical sessions over a 12 week period. The therapy was standardized and included psych education, cognitive training, mapping OCD target symptoms and Exposure and Response Ritual Prevention. setting goals, reviewing sessions etc. Manual flexible
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The Combined Condition?
This was provided simultaneously by providing CBT and drug treatment together - no need for placebo and CBT.
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What happened at the end of the study?
They were assessed at week 4,8 and then at end of week 12 by trained independent evaluators. it was strict and reviewed for reliability
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Results?
All conditions showed imporvements after 12 weeks measured on the CY-BOCS. However no significance with placebo
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Results from CBT alone?
The average baseline measure was 26 and after 12 weeks went to 14 so a difference of -12- 39.3% entered remission - below 10 on the CY-BOCS
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The Drug only condition?
Started with a baseline measure of 23.5 and after 12 weeks went to 16.5 a difference of -7. 21.4% entered remission
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The combined Condition?
Average baseline measure of 23.8 and a final measurement of 11.2 a difference of -12.6. A marginal increase in the number of people entering remission
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Conclusion?
CBT has highest improvement rate should be first treatment option for OCD. Adding drugs shows a minimal effect but can compensate for less effective therapies. Drugs require monitoring due to links to suicidal tendencies in young people.
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Generalisabilty?
Different age ranges so is generalisable
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Reliability?
Different Conditions - Strict assessments of participants at every stage and reviewed- inter-rater relibility
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Application?
Shows early intervention works and what is the best treatment to use.
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Validity?
internally and externally valid - proved aim and useful for treating symptoms of OCD
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Ethics?
Consent would have been needed from parents.
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Card 2

Front

Statistics that the Aim was based On?

Back

33-50% of adults that suffer with OCD developed the disorder in childhood so the National Institute for Mental Health funded the research to try and find the best early intervention

Card 3

Front

Sample Size?

Back

Preview of the front of card 3

Card 4

Front

Why did only 97 Participants complete the study when 112 volunteered?

Back

Preview of the front of card 4

Card 5

Front

Conditions in the study?

Back

Preview of the front of card 5
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