Internet-assisted therapy for adults with depressive symptoms: a study for the effectiveness of interpersonal therapy (IPT) compared to cognitive behaviour therapy (CBT)

Internet-assisted therapy for adults with depressive symptoms: a randomised controlled trial for the effectiveness of interpersonal therapy (IPT) compared to cognitive behaviour therapy (CBT)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN69603913

Enrollment

300

Registered

2008-10-27

Start date

2008-11-01

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Depressive and anxiety disorders Mental and Behavioural Disorders Depressive episode

Interventions

The conditions used in the study are: Cognitive behaviour therapy (CBT): The Internet-assisted CBT intervention was developed by the Centre for Mental Health Research (CMHR), Australian National Uni

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: All individuals (both males and females) will be included in the trial unless they are currently under 18 years of age or are currently receiving treatment for depression by a mental health specialist. Both people with and without depressive symptoms can participate in this trial, as the intervention aims to prevent depression as well as to treat the condition.

Exclusion criteria

Exclusion criteria: Individuals younger than 18 years or currently under treatment for depression by a mental health specialist

Design outcomes

Primary

Measure	Time frame
1. Symptoms of depression and anxiety as measured by the Goldberg Anxiety and Depression Questionnaires (0 'no depression/anxiety' - 9 'depression/anxiety') four times during the course (1 per week) 2. Symptoms of depression as measured by the Center for Epidemiologic Studies Depression Scale (CES-D) (0 'no depressive symptoms' - 60 'severe depressive symptoms') measured at pre-test (baseline), post-test (after intervention) and follow-up (6 months)	—

Measure

Time frame

1. Symptoms of depression and anxiety as measured by the Goldberg Anxiety and Depression Questionnaires (0 'no depression/anxiety' - 9 'depression/anxiety') four times during the course (1 per week) 2. Symptoms of depression as measured by the Center for Epidemiologic Studies Depression Scale (CES-D) (0 'no depressive symptoms' - 60 'severe depressive symptoms') measured at pre-test (baseline), post-test (after intervention) and follow-up (6 months)

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Secondary

Measure	Time frame
1. Mental Health Literacy (to be developed by CMHR) 2. Stigma, as measured with the Depression Stigma Scale (DSS) - Personal: 9 items, 1 (high level of stigma) to 35 (low level of stigma) 3. Satisfaction with the intervention as measured with the Client Satisfaction Questionnaire (CSQ-8): score 1 (not satisfied) to 32 (very satisfied) 4. Dysfunctional thinking as measured with the Dysfunctional Attitudes Scale-Short Form (DAS-SF) (18 items, 1: low dysfunctional thinking to 126 high level of dysfunctional thinking) 5. Drop-out, measured by the drop-out survey developed by CMHR 6. Worrying, measured with the 7-item Generalised Anxiety Disorder Scale (GAD-7) (0 'no anxiety' - 21 'high level of anxiety') 7. Eurohisqol (8 item) to measure quality of life (1: poor quality of life - 40: high quality of life) 8. Days out of role to measure disability (0 days: no disability; 30 days: severe disability) 9. Mastery to measure perceived control, 7 items (1: low internal control; 28 high internal control) 10. Adherence to the intervention measured by sessions completed All scales will be measured at pre-test (baseline), post-test (after intervention) and follow-up (6 months), except for the drop out survey (only when people drop out) and CSQ (only post-test).	—

Measure

Time frame

1. Mental Health Literacy (to be developed by CMHR) 2. Stigma, as measured with the Depression Stigma Scale (DSS) - Personal: 9 items, 1 (high level of stigma) to 35 (low level of stigma) 3. Satisfaction with the intervention as measured with the Client Satisfaction Questionnaire (CSQ-8): score 1 (not satisfied) to 32 (very satisfied) 4. Dysfunctional thinking as measured with the Dysfunctional Attitudes Scale-Short Form (DAS-SF) (18 items, 1: low dysfunctional thinking to 126 high level of dysfunctional thinking) 5. Drop-out, measured by the drop-out survey developed by CMHR 6. Worrying, measured with the 7-item Generalised Anxiety Disorder Scale (GAD-7) (0 'no anxiety' - 21 'high level of anxiety') 7. Eurohisqol (8 item) to measure quality of life (1: poor quality of life - 40: high quality of life) 8. Days out of role to measure disability (0 days: no disability; 30 days: severe disability) 9. Mastery to measure perceived control, 7 items (1: low internal control; 28 high internal control) 10. Adherence to the intervention measured by sessions completed All scales will be measured at pre-test (baseline), post-test (after intervention) and follow-up (6 months), except for the drop out survey (only when people drop out) and CSQ (only post-test).

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Countries

Australia

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 23, 2026