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Not yet taking people in SwedenPhase 4

Tests two anesthetic doses during electroconvulsive therapy for depression

Compares low and high thiopental doses in adults with major depression receiving electroconvulsive therapy.

Key facts

Who runs it
Karolinska Institutet
Where
Goteborg, Orebro, and Stockholm, SwedenSee the 3 sites
Registry title
A randomized controlled trial of the effect of anesthetic dose during electroconvulsive therapy for major depression
Status
Not yet recruiting
Phase
Phase 4
People taking part
210 people, planned
Started
13 Jan 2025
Expected to end
31 Dec 2031
Type of study
Interventional
Record updated
15 July 2026

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for hospitalized adults with a current major depressive episode who are going to have electroconvulsive therapy (ECT). It compares a low and a high dose of the anesthetic thiopental.

Age
18 years and above
Sex
All sexes
Disease stage
Hospitalized patients with an ongoing major depressive episode within major depressive disorder (MDD)

Main reasons for not taking part

  • Postpartum depression
  • Schizophrenia, psychotic syndrome or bipolar disorder
  • The anesthesiologist judges a high anesthetic dose inappropriate because of a physical condition
  • Compulsory psychiatric care under the Swedish Act on Compulsory Psychiatric Care
  • Cannot speak or understand Swedish or English well enough to give consent or complete the study assessments

The registry criteria, word for word

Show all 2 criteriaShow less

Who can take part

  • age 18 years and above • hospitalized patients with an ongoing major depressive episode within MDD

Who cannot take part

  • postpartum depression • schizophrenia • psychotic syndrome • bipolar disorder • patients for whom the anesthesiologist deems that a high anesthetic dose is inappropriate due to a somatic condition. • patients under compulsory psychiatric care according to the Swedish Act on Compulsory Psychiatric Care (Lagen om psykiatrisk tvångsvård) • patients who do not speak or understand Swedish or English sufficiently to provide informed consent or complete study assessments

Where in Sweden

  • Sahlgrenska University Hospital-Vaestra GoetalandsregionenGoteborg, SwedenNot yet recruiting
  • Region Oerebro LaenOrebro, SwedenNot yet recruiting
  • Region Stockholm – SLSOStockholm, SwedenNot yet recruiting

About the trial

What the trial wants to find out

The main objective of this trial is to to test if the reduction of depressive symptoms after six electroconvulsive therapy (ECT) sessions is larger in patients anesthetized with a low thiopental dose compared to patients anesthetized with a high thiopental dose during ECT.

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record

Print a page for my doctor

Data and sources

Registry record
Listed on the EU's official list of trials (CTIS).
Official title
Thiopental Induction Dose during Electroconvulsive therapy for depression (TIDE) - a randomized controlled trial of the effect of anesthetic dose during electroconvulsive therapy for major depression
Plain-language title
Tests two anesthetic doses during electroconvulsive therapy for depressionGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 9 November 2026.
Record updated
15 July 2026