Increasing access to CBT for psychosis patients
- Conditions
- Schizophrenia or other psychosisMental and Behavioural Disorders
- Registration Number
- ISRCTN16166070
- Lead Sponsor
- Sussex Partnership NHS Foundation Trust
- Brief Summary
2020 Protocol article in https://www.ncbi.nlm.nih.gov/pubmed/32238176 protocol (added 03/04/2020) 2021 Results article in https://doi.org/10.1192/bjo.2021.983 (added 14/09/2021)
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 79
Current inclusion criteria as of 10/01/2020:
Participants must:
1. Be aged 16 years or older
2. Be in contact with Secondary Care Mental Health Services (under the care of a Consultant Psychiatrist)
3. Be currently experiencing voice hearing; operationalized by participants having a score of at least 1 on item 1 (How frequently did you hear a voice or voices?) on the Hamilton Program for Schizophrenic Voices Questionnaire (HPSVQ) - indicating that the participant has experienced at least one episode of voice hearing in the past week
4. Be distressed by hearing voices; operationalized by participants scoring at least 8 out of 16 on the ‘negative impact’ scale of the HPSVQ
5. Meet DSM-5 Research criteria for Schizophrenia Spectrum or Other Psychotic Disorders (assessed by the Structured Clinical Interview for DSM-5 disorders, SCID-5)
6. Be willing and able to provide written, informed consent
Previous inclusion criteria:
Participants must:
1. Be 18 years or older
2. Be in contact with Secondary Care Mental Health Services (under the care of a Consultant Psychiatrist)
3. Be currently experiencing voice hearing; operationalized by participants having a score of at least 1 on item 1 (How frequently did you hear a voice or voices?) on the Hamilton Program for Schizophrenic Voices Questionnaire (HPSVQ) - indicating that the participant has experienced at least one episode of voice hearing in the past week
4. Be distressed by hearing voices; operationalized by participants scoring at least 8 out of 16 on the ‘negative impact’ scale of the HPSVQ
5. Meet DSM-5 Research criteria for Schizophrenia Spectrum or Other Psychotic Disorders (assessed by the Structured Clinical Interview for DSM-5 disorders, SCID-5)
6. Be willing and able to provide written, informed consent
Current exclusion criteria as of 10/01/2020:
Participants must not:
1. Have an established organic cause for distressing voices (e.g. brain disease or injury)
2. Have a primary diagnosis of substance misuse
3. Have completed a full course (minimum of 16 hours) of CBT for psychotic symptoms during the past year
4. Be currently participating, or be confirmed to participate in another interventional study in which they are receiving an intervention which utilizes psychological therapy
5. Be non-English speaking to the degree that the participant is unable to fully understand and answer assessment questions or give informed consent
6. Have severe learning disability (mild to moderate will not be excluded) assessed using the TOPF-UK
7. Be at immediate and serious risk to self or other (assessed at the point of referral/eligibility review)
8. Be detained in hospital under a section of the Mental Health Act
Previous exclusion criteria:
Participants must not:
1. Have an established organic cause for distressing voices (e.g. brain disease or injury)
2. Have a primary diagnosis of substance misuse
3. Have completed a full course (minimum of 16 hours) of CBT for psychotic symptoms during the past year
4. Be currently participating, or be confirmed to participate in another interventional study in which they are receiving an intervention which utilizes psychological therapy
5. Be non-English speaking to the degree that the participant is unable to fully understand and answer assessment questions or give informed consent
6. Have severe learning disability (mild to moderate will not be excluded) assessed using the TOPF-UK
7. Be at immediate and serious risk to self or other (assessed at the point of referral/eligibility review)
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <br> 1. Distress associated with hearing voices measured using a subscale of the Psychotic Symptoms Rating Scale – Auditory Hallucinations (PSYRATS-AH) at T0, T1, T2<br> 2. The negative impact of voices measured using a subscale of the Hamilton Program for Schizophrenia Voices Questionnaire (HPSVQ) at -t1, T1, T2<br><br> Timepoint(s): Screening/Eligibility (-t1), Baseline: T0, 16 week follow up: T1, 28 week follow up: T2<br>
- Secondary Outcome Measures
Name Time Method