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Sevoflurane for Treatment-Resistant Depression

Not Applicable
Conditions
Depressive Disorder, Major
Depressive Disorder, Treatment-Resistant
Interventions
Drug: Placebo
Registration Number
NCT05008939
Lead Sponsor
Shanghai First Maternity and Infant Hospital
Brief Summary

This study intends to carry out a prospective, randomized, double-blind, placebo-controlled study to evaluate the efficacy and safety of subanesthetic sevoflurane for treatment-resistant depression.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
15
Inclusion Criteria
  1. age 18-65 years
  2. meeting DSM-V criteria for major depressive disorder
  3. a pretreatment score ≥17 on HDRS-17
  4. meeting criteria for TRD, defined as having had at least two adequate dose-duration antidepressant medication failures in the current depressive episode.
  5. current treatment drugs were stably used for at least 4 weeks
Exclusion Criteria
  1. MDD with psychosis, e.g., bipolar disorder, schizophrenia, schizoaffective disorder, obsessive-compulsive disorder, panic disorder, et al
  2. Drug, tobacco or alcohol abuse
  3. active suicidal intention
  4. previous administration of NMDA receptor antagonists (e.g., ketamine)
  5. previous (<6 weeks prior) or ongoing treatment with electroconvulsive therapy (ECT) or transcranial magnetic stimulation (TMS)
  6. pregnancy or breastfeeding
  7. morbidly obese, BMI>35kg/m2
  8. other diseases that could interfere with the results

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
placeboPlaceboThose with 1-hour inhalation of 30% oxygen
sevofluranePlaceboThose with 1-hour inhalation of 1% sevoflurane/30% oxygen
sevofluraneSevofluraneThose with 1-hour inhalation of 1% sevoflurane/30% oxygen
Primary Outcome Measures
NameTimeMethod
Rates of treatment responses in 17-item Hamilton Depression Rating Scale (HDRS-17)24 hours after the end of treatment

≥50% HDRS-17 reduction in depressive symptoms

Secondary Outcome Measures
NameTimeMethod
Rates of remissions in HDRS-172 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

HDRS-17 ≤7 points

Rates of remissions in MADRS2 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

MADRS \<10

The assessment of anxiety with self-rating scale2 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

The changes of score in Generalized Anxiety Disorder Screener (GAD-7)

The assessment of improvement with self-rating scale2 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

The changes of score in Patient Global Impressions of Improvement (PGI-I)

The assessment of depression with self-rating scale2 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

The changes of score in Patient Health Questionnaire-9 (PHQ-9)

Rates of treatment responses in HDRS-172 hours, 7 days,14 days and 28 days after the end of treatment

≥50% HDRS-17 reduction in depressive symptoms

The assessment of improvement by psychiatrist2 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

The changes of score in Clinical Global Impression (CGI)

The assessment of side effects with self-rating scale2 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

Including Patient Rated Inventory of Side Effects (PRISE)

Rates of treatment responses in Montgomery-Åsberg Depression Rating Scale (MADRS)2 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

≥50% MADRS reduction in the baseline score

The assessment of anxiety by psychiatrist2 hours, 24 hours, 7 days,14 days and 28 days after the end of treatment

The changes of score in Hamilton Anxiety Rating Scale (HAMA)

Side effects of sevofluraneup to 2 hours after the end of treatment

Including nausea, vomiting, headache, dizzy, hypotension, hypoxemia, carbon dioxide accumulation, et al

Trial Locations

Locations (1)

Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine

🇨🇳

Shanghai, Shanghai, China

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