NCT05045378

Brief Summary

In the past decades, the prevalence of adolescent depression and suicide increased significantly in Taiwan and worldwide. To date, the suicide mortality is the second mortality cause in the adolescent and young adult population in Taiwan. Previous studies reported that up to 40% of adolescents with major depressive disorder did not respond to at least two traditional antidepressants with the optimal dose and adequate duration. Those patients would be considered the cases with treatment-resistant depression (TRD), which is related to the poor prognosis, chronic depressive course, higher suicidal risk, severer cognitive dysfunction, and greater family burdens. However, much less studies investigated the treatment strategy for adolescent TRD compared with that for adult TRD. In this decade, low-dose ketamine infusion has been proved as a rapid-acting antidepressant for adult patients with TRD. In recent 5 years, the investigators study team finished two randomized, double-blind, and placebo-control trials to support the rapid antidepressant and anti-suicidal effect in Taiwanese adult patients with TRD. The investigators published several SCI studies about the investigators clinical findings and the underlying brain mechanisms. In the following 4 years, the investigators will conduct a new randomized, double-blind, and placebo-control trial in the adolescent TRD. It will be the first clinical trial for ketamine effect in adolescent TRD worldwide. The investigators will enroll 54 adolescents aged between 13 and 29 with TRD in four years. The investigators hypothesize that low-dose ketamine will be effective and well tolerable for adolescents with TRD.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
12

participants targeted

Target at below P25 for phase_4

Timeline
Completed

Started Mar 2022

Typical duration for phase_4

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 7, 2021

Completed
9 days until next milestone

First Posted

Study publicly available on registry

September 16, 2021

Completed
6 months until next milestone

Study Start

First participant enrolled

March 15, 2022

Completed
2.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 30, 2024

Completed
Last Updated

September 5, 2025

Status Verified

April 1, 2022

Enrollment Period

2.7 years

First QC Date

September 7, 2021

Last Update Submit

August 28, 2025

Conditions

Keywords

adolescentketamineN-methyl-D-aspartate receptor (NMDAR) antagonist

Outcome Measures

Primary Outcomes (3)

  • Changes in depressive symptoms measured by Montgomery-Åsberg Depression Rating Scale (MADRS) in adolescents with treatment-resistant depression.

    Higher MADRS score indicates more severe depression. The overall score ranges from 0 to 60.

    clinical visit or telephone visit evaluation times are Day 1, 2, 3, 4, 5, 6, 7, 14, and 28

  • Changes in depressive symptoms measured by Hamilton Rating Scale for Depression (HAMD) in adolescents with treatment-resistant depression.

    Higher HAMD score indicates more severe depression. The overall score ranges from 0 to 52.

    clinical visit or telephone visit evaluation times are Day 1, 2, 3, 4, 5, 6, 7, 14, and 28

  • Changes in depressive symptoms measured by Children's Depression Rating Scale-Revised (CDRS-R) in adolescents with treatment-resistant depression.

    Higher CDRS-R score indicates more severe depression. The overall score ranges from 17 to 113.

    clinical visit or telephone visit evaluation times are Day 1, 2, 3, 4, 5, 6, 7, 14, and 28

Study Arms (3)

1. Two 0.045mg/kg midazolam infusions

ACTIVE COMPARATOR

Two 0.045mg/kg midazolam infusions as active placebo

Drug: Midazolam (active placebo)

2. First 0.045mg/kg midazolam infusion and Second 0.5mg/kg ketamine infusion

EXPERIMENTAL

Single ketamine infusion + Single midazolam placebo infusion

Drug: Ketamine and Midazolam (active placebo)

3. Two 0.5mg/kg ketamine infusions

EXPERIMENTAL

Repeated (Two) ketamine infusions: Two 0.5mg/kg ketamine infusions

Drug: Ketamine

Interventions

Arm1: Two 0.045mg/kg midazolam infusions at Day1 and Day3。

1. Two 0.045mg/kg midazolam infusions

Arm2: First 0.045mg/kg midazolam infusion and Second 0.5mg/kg ketamine infusion。

2. First 0.045mg/kg midazolam infusion and Second 0.5mg/kg ketamine infusion

Arm3: Two 0.5mg/kg ketamine infusions。

3. Two 0.5mg/kg ketamine infusions

Eligibility Criteria

Age13 Years - 29 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • Major depressive episode including unipolar and bipolar depression, according to DSM- 5 criteria and MINI-adolescent version (Mini-International Neuropsychiatric Interview; MINI) diagnostic interview.
  • Age 13 to 19 years old.
  • Body weigh ≧ 30 kg.
  • Treatment-resistant depression, which is defined as poor or unsatisfactory response to at least two different antidepressants administered at an adequate dosage and for an adequate treatment duration
  • Still prominent depressive symptoms with at least 4-week treatment of medication treatment or psychotherapy
  • Voluntary patients and their parents or guardians with signed informed consent proved by institutional review board (IRB)

You may not qualify if:

  • Major medical conditions (e.g., head injury, epilepsy, severe renal diseases and cancer).
  • Other axis I psychiatric disorders such as schizophrenia, delusional disorder, organic brain syndrome, and dementia.
  • Pregnancy.
  • Substance abuse in previous 6 months such as cocaine, marijuana, opium, ketamine, PCP (phencyclidine)。
  • Current use of NMDA receptor antagonist (Amantadine, Rimantadine, Lamotrigine, Memantine, Dextromethorphan)
  • Alcohol abuse / dependence within 6 months.
  • Attempt suicide in hospital.
  • Allergy to ketamine
  • Abnormal liver function in recent 3 months。
  • Abnormal ECG (i.e.:arrhythmia)。
  • Fever or infection in recent 5 days。

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Taipei Veterans General Hospital, Taiwan

Taipei, 112, Taiwan

Location

MeSH Terms

Conditions

Depressive Disorder, Treatment-ResistantDepressive Disorder, Major

Interventions

MidazolamKetamine

Condition Hierarchy (Ancestors)

Depressive DisorderMood DisordersMental Disorders

Intervention Hierarchy (Ancestors)

BenzodiazepinesBenzazepinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic CompoundsCyclohexanesCycloparaffinsHydrocarbons, AlicyclicHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Study Officials

  • Mu-Hong Chen, M.D., Ph.D.

    Taipei Veterans General Hospital, Taiwan

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 7, 2021

First Posted

September 16, 2021

Study Start

March 15, 2022

Primary Completion

November 30, 2024

Study Completion

November 30, 2024

Last Updated

September 5, 2025

Record last verified: 2022-04

Locations