Evaluation of the efficacy of Trazodone in improving emotional blunting symptoms in Patients with Major Depressive Disorder
Effectiveness of Trazodone on Emotional Blunting in Patients with Major Depressive: a Phase IV, Open-label, clinical study
Effectiveness of Trazodone on Emotional Blunting in Patients with Major Depressive: a Phase IV, Open-label, clinical study
interventional
N/A
3 countries
9
The goal of the study is to evaluate, after 8 weeks of treatment with trazodone, the improvement in the experience, expression and regulation of positive and negative emotions in patients with MDD that have been previously treated with SSRIs/SNRIs but have not shown a complete response.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
Not reported
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
April 3, 2026
Actual (reported)During the study, participants will record the answers given to a questionnaire designed to measure emotional experiences, called Oxford Depression Questionnaire (ODQ). The outcome will be measured by the changes in the score recorded at the beginning of patients’ participation compared to the one after 8 weeks of treatment.
Other parameters evaluated will be the evolution of depression and the effect on cognition, sleep, and overall quality of life. The effect of the treatment on functioning at work or school, in social situations, or with family and home responsibilities will be also assessed using scales and questionnaires designed for these purposes.
These entries preserve how the registry describes the intervention. Their treatment roles are shown separately from molecular identities.
Formulated product
Trittico AC 150 mg retard tabletta
The registry describes a specific formulation. Its exact chemical ingredients and approval status require separate evidence.
PROLONGED-RELEASE TABLET
View registry recordFormulated product
TRITTICO CR, 75 mg, tabletki o przedłużonym uwalnianiu
The registry describes a specific formulation. Its exact chemical ingredients and approval status require separate evidence.
PROLONGED-RELEASE TABLET
View registry recordFormulated product
ТРИТИКО 150 mg таблетки с удължено освобождаване
The registry describes a specific formulation. Its exact chemical ingredients and approval status require separate evidence.
PROLONGED-RELEASE TABLET
View registry recordFormulated product
ТРИТИКО 75 mg таблетки с удължено освобождаване
The registry describes a specific formulation. Its exact chemical ingredients and approval status require separate evidence.
PROLONGED-RELEASE TABLET
View registry recordFormulated product
The registry names these ingredients. The formulation’s exact chemical form has not been confirmed.
Trittico AC 150 mg retard tabletta
Named ingredient: Trazodone hydrochloride
View registry recordTRITTICO CR, 75 mg, tabletki o przedłużonym uwalnianiu
Named ingredient: Trazodone hydrochloride
View registry recordТРИТИКО 150 mg таблетки с удължено освобождаване
Named ingredient: Trazodone hydrochloride
View registry recordТРИТИКО 75 mg таблетки с удължено освобождаване
Named ingredient: Trazodone hydrochloride
View registry recordTRITTICO CR, 150 mg, tabletki o przedłużonym uwalnianiu
Named ingredient: Trazodone hydrochloride
View registry recordRegistry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Ambulatory For Group Practice For Specialized Psychiatric Help Philipopolis Ltd.
Plovdiv, 4002, Bulgaria
Mental Health Center Sofia EOOD
Sofia, 1202, Bulgaria
Multiprofile Hospital For Active Treatment Dr. Hristo Stambolski EOOD
Kazanlik, 6102, Bulgaria
Valeria Tellone
First Submitted
April 3, 2026
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Source: European Medicines Agency (EMA), Clinical Trials Information System (CTIS). Original record and public documents are available on CTIS.
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Source retrieved:
TRITTICO CR, 150 mg, tabletki o przedłużonym uwalnianiu
The registry describes a specific formulation. Its exact chemical ingredients and approval status require separate evidence.
PROLONGED-RELEASE TABLET
Contact the study team to confirm eligibility.
Clinexpert Gyoengyoes Kft.
Gyongyos, 3200, Hungary
University Of Pecs
Pecs, 7623, Hungary
Centrum Zdrowia Alcea
Gdańsk, 80-283, Poland
Clinic Bbp Sp. z o.o.
Katowice, 40-514, Poland
E4r&D Sp. z o.o.
Gdansk, 80-438, Poland
Clinical Medical Research Sp. z o.o.
Katowice, 40-156, Poland