Could licorice root help treat depression? new study investigates
NCT ID NCT05570110
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether enoxolone, a compound from licorice, can improve depression symptoms in 80 adults with unipolar depression. Researchers will measure biomarkers like hormone levels and blood pressure to see if they predict who responds better to enoxolone versus a placebo. The goal is to find a more personalized treatment approach for depression.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2022
- Expected to finish
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Jun 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Unipolar Depression * in women: Contraceptive means Exclusion Criteria: * Schizophrenic and delusional disorders * Neurological diseases in which central nervous system involvement is known, such as epilepsies, storage diseases; severe mental retardation * Internistic diseases of moderate or higher severity, which may make participation in the study risky from a clinical point of view. In particular, multiple systolic blood pressure (measured after at least 5 min supine position) of \> 145 mm Hg as well as hypokalemia (\< 3.5 mmol/l) and clinically relevant ECG changes * Poorly controlled diabetes mellitus (HbA1c \> 10) * Pregnancy or active desire for pregnancy for the duration of the study * Non-consent or inability to consent to the study * Treatment with the following substances: spironolactone or eplerenone; systemic glucocorticoids * Treatment with ketamine or electroconvulsive therapy in the last 3 months before randomization * Acute suicidality * Intolerance to licorice preparations or licorice contents.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Clinic for Psychiatry and Psychotherapy
RECRUITINGMarburg, Hesse, 35039, Germany
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