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Exploration and mechanism research on the preventive and synergistic therapeutic effects of systematic interpersonal therapy on depressive disorders with mixed characteristics in adolescents

Exploration and mechanism research on the preventive and synergistic therapeutic effects of systematic interpersonal therapy on depressive disorders with mixed characteristics in adolescents

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600121573
Enrollment
Unknown
Registered
2026-04-01
Start date
2026-04-01
Completion date
Unknown
Last updated
2026-04-14

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

Conditions

Major depressive disorder with mixed features

Interventions

Subthreshold Group - SIPT:Online group systemic interpersonal therapy (once weekly, 120 minutes per session, 8 sessions total
led by 2 therapists in groups of 6-10 participants)
Subthreshold Group - IPT:Online traditional interpersonal therapy (once weekly, 120 minutes per session, 8 sessions total
Subthreshold Group - TAU:Basic supportive psychotherapy
Suprathreshold Group - SIPT:Online group systemic interpersonal therapy (once weekly, 120 minutes per session, 8 sessions total
Suprathreshold Group - IPT:Online traditional interpersonal therapy (once weekly, 120 minutes per session, 8 sessions total
Suprathreshold Group - TAU:Routine pharmacological treatment (restricted medications: fluoxetine, escitalopram, paroxetine, sertraline, venlafaxine
haloperidol, risperidone, paliperidone, olanzapine, aripiprazole, lurasidone, quetiapine
lithium carbonate, valproate, lamotrigine)

Sponsors

Peking University Sixth Hospital ( Institute of Mental Health )
Lead Sponsor

Eligibility

Sex/Gender
All
Age
12 Years to 18 Years

Inclusion criteria

Inclusion criteria: 1.Suprathreshold Group: The Schedule for Affective Disorders and Schizophrenia for School-Age Children-Present and Lifetime version will be carried out by two physicians with consistent training. The adolescents who are aged 12-18 and are diagnosed with major depressive disorder could be enrolled; 2.Suprathreshold Group: meeting DSM-5 criteria for Mixed Features; 3.Suprathreshold Group: The patient is currently in a state of mild to moderate depression without meeting the criteria for moderate mania or above (HAMD =7 and <24, YMRS <15); 4.Suprathreshold Group: Adolescents and their parents could give full informed consent and provide written informed consent documents. 5.Suprathreshold Group: The participants can cooperate with the scale examination and can participate in online training. 6.Suprathreshold Group: The dose of psychiatric medication was stable for more than 6 weeks; 7.Subthreshold Group: Adolescents aged 12-18 with PHQ-9 =10 and MDQ =6, who, as assessed by the K-SADS-PL interview, did not meet the diagnostic criteria for either major depressive disorder or bipolar disorder both historically and currently. 8.Subthreshold Group: Adolescents and their parents could give full informed consent and provide written informed consent documents. 9.Subthreshold Group: The participants can cooperate with the scale examination and can participate in training. 10.Subthreshold group: No psychotropic medications administered.

Exclusion criteria

Exclusion criteria: 1.Suprathreshold group: Meeting DSM-5 diagnostic criteria for bipolar disorder or schizophrenia. 2.Suprathreshold group: Presence of significant suicidal ideation or behavior, and/or evident non-suicidal self-injury (NSSI), requiring additional treatment, crisis intervention, or more intensive psychological support. 3.Suprathreshold group: Subjects with a Wechsler IQ score <80, or illiteracy, or inability to cooperate with completing scale assessments and training. 4.Suprathreshold group: Currently receiving other forms of psychotherapy. 5.Subthreshold group: Meeting DSM-5 diagnostic criteria for schizophrenia. 6.Subthreshold group: Subjects with a Wechsler IQ score <80, or illiteracy, or inability to cooperate with completing scale assessments and training. 7.Subthreshold group: Currently receiving other forms of psychotherapy.

Design outcomes

Primary

MeasureTime frame
Emotional Symptoms;

Secondary

MeasureTime frame
Interpersonal Neural Synchrony;Disease Progression During Follow-up Period;Health Economics;Social Functioning;Acceptability;

Countries

China

Contacts

Public ContactSun Hongqiang

Peking University Sixth Hospital ( Institute of Mental Health )

sunhq@bjmu.edu.cn+86 10 82805960

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 17, 2026