Treatment of generalized anxiety disorder: A randomized controlled trial of an internet self-help program with minimal non-therapist support

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000032618

Enrollment

Unknown

Registered

2020-05-04

Start date

2020-05-18

Completion date

Unknown

Last updated

2020-05-04

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

Conditions

Generalized Anxiety Disorder

Interventions

Experimental group:internet self-help program

Control group:waitlist, to receive same internet self-help program 10 weeks after subject recruitment

Eligibility

Sex/Gender

Male

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Participants would be recruited via 1) non-governmental organizations and community centers that serve clients with chronic mental conditions and 2) a website introducing the research. Subjects may apply online to join the research treatment program by following a link or be contacted via phone for subject recruitment. Potential subjects would be invited to complete the screening questionnaires PHQ-9 and GAD-7 and provide basic demographic details. Inclusion criteria include the following: - Passed cutoff scores of GAD7: > 10 - Age 18-65 years; - Can understand Cantonese; - Secondary 5 educated and can comprehend written Chinese; - is willing to complete internet-based self-help CBT-based program either immediately or 10 weeks after subject recruitment.

Exclusion criteria

Exclusion criteria: Subjects will be excluded if he / she meets the following criteria: - has no regular access to a computer and the internet; - has moderately severe to severe symptoms of depression (total score > 14 on PHQ-9); - is presented with active suicidal ideation (score of >2 for question 9 on PHQ-9); - is suffering from psychiatric or medical comorbidities that were potentially life-threatening (i.e. psychosis, suicidal ideations, terminal medical illnesses); - is presented with conditions that are expected to severely limit patients participation / adherence to treatment (such as psychosis, current substance misuse, dementia); - If psychotropic medications are taken for anxiety or other mood symptoms, participants should have been on stable doses for at least 2 months.

Design outcomes

Primary

Measure	Time frame
Generalized Anxiety Disorder 7-item Scale (GAD-7);Penn State Worry Questionnaire (PSWQ);	—

Countries

China

Contacts

Public ContactLEUNG WING LEUNG PATRICK

The Chinese University of Hong Kong

pleung@cuhk.edu.hk+852 39436502

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026