The Influence of Probiotic Supplementation on Depressive Symptoms, Inflammation and Oxidative Stress Parameters and Faecal Microbiota in Patients With Depression Depending on Metabolic Syndrome Comorbidity
PRO-DEMET
he Influence of Probiotic Supplementation on Depressive Symptoms, Inflammation and Oxidative Stress Parameters and Faecal Microbiota in Patients With Depression Depending on Metabolic Syndrome Comorbidity
1 other identifier
interventional
200
1 country
1
Brief Summary
The trial will be a four-arm, parallel group, prospective, randomized, double-blind, controlled design that will include 200 participants and will last 20 weeks. The probiotic preparation will contain Lactobacillus helveticus Rosell®-52, Bifidobacterium longum Rosell®-175. We will assess the level of depression, anxiety and stress, quality of life, blood pressure, body mass index and waist circumference, white blood cells count, serum levels of C-reactive protein, HDL cholesterol, triglicerides, fasting glucose, faecal microbiota composition and the level of some faecal microbiota metabolites, as well as inflammation markers and oxidative stress parameters in serum. The trial may establish a safe and easy-to-use treatment option as an adjunct in a subpopulation of depressive patients only partially responsive to pharmacologic treatment.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Dec 2020
Typical duration for phase_3
1 active site
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
Study Start
First participant enrolled
December 17, 2020
CompletedFirst Submitted
Initial submission to the registry
February 11, 2021
CompletedFirst Posted
Study publicly available on registry
February 16, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2023
CompletedFebruary 16, 2021
February 1, 2021
2 years
February 11, 2021
February 11, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
depressive symptoms
MADRS score
2 years
Study Arms (4)
Depressive Disorders + probiotic
EXPERIMENTALDepressive Disorders + placebo
PLACEBO COMPARATORDepressive disorder + metabolic syndrome + probiotic
EXPERIMENTALDepressive disorder + metabolic syndrome + placebo
PLACEBO COMPARATORInterventions
probiotic
Eligibility Criteria
You may qualify if:
- Depressive disorders diagnosed according to ICD Age between 18 and 70 years MADRS score \>=13 Antidepressant and antianxiety medications or psychotherapy not changed 3 weeks prior to the beginning of the study DMS study groups: MetS diagnosed according to International Diabetes Federation (IDF)
You may not qualify if:
- Pregnancy; An infection and/or treatment with antibiotics in the previous 4 weeks; Supplementation with pro- or prebiotics in the previous 4 weeks; Having a diagnosis of autoimmune, serious immunocompromised, inflammatory bowel diseases, cancer, IgE-dependent allergy, severe kidney failure or unstable thyroid dysfunction in the previous 4 weeks; Psychiatric comorbidities (except for specific personality disorder, additional specific anxiety disorder and caffeine or nicotine addiction); Regular treatment (more than 3 days a week) with proton-pump inhibitors (PPIs), metformin, laxatives, systemic steroids or nonsteroidal anti-inflammatory drugs (NSAIDs) in the previous 4 weeks; Following a specific diet or a significant change in dietary pattern in the previous 4 weeks; Significant change in daily physical activity or an extreme sport activity in the previous 4 weeks; Significant change in dietary supplementation in the previous 4 weeks; Significant change in smoking pattern in the previous 4 weeks; A major neurological disorder or any medical disability that may interfere with a subject's ability to complete study procedures; High risk of suicide according to Tool of Assessment of Suicide Risk (TASR); Is participating in, or has recently participated in, another research study involving an intervention which may alter outcomes of interest to this study; Any other condition or situation which, in the view of investigators, would affect the compliance or safety of the individual taking part; D study groups: MetS diagnosed according to International Diabetes Federation (IDF).
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Oliwia Gawlik-Kotelnicka
Lodz, 92216, Poland
Related Publications (6)
Kotelnicka OG, Wysokinski A, Gajewska A, Czarnecka-Chrebelska K, Kopacz K, Skowronska A, Pikus E, Brzezianska-Lasota E, Strzelecki D. Probiotics Decrease C-Reactive Protein Levels in Depression Depending on Metabolic Syndrome Presence or Antidepressant Treatment - Secondary Results of a Randomized Clinical Trial. Curr Neuropharmacol. 2025 Oct 29. doi: 10.2174/011570159X371175251002220658. Online ahead of print.
PMID: 41177800DERIVEDGawlik-Kotelnicka O, Sobczak M, Palma J, Poplawska M, Skonieczna-Zydecka K, Plewka M, Pawliczak R, Strzelecki D. Does isovaleric acid play a key role in the interaction between probiotics and antidepressants? A secondary analysis of a randomized clinical trial. Comput Struct Biotechnol J. 2025 May 27;27:2275-2287. doi: 10.1016/j.csbj.2025.05.035. eCollection 2025.
PMID: 40520599DERIVEDGawlik-Kotelnicka O, Rogalski J, Czarnecka-Chrebelska KH, Burzynski J, Jakubowska P, Skowronska A, Strzelecki D. The Interplay Between Depression, Probiotics, Diet, Immunometabolic Health, the Gut, and the Liver-A Secondary Analysis of the Pro-Demet Randomized Clinical Trial. Nutrients. 2024 Nov 24;16(23):4024. doi: 10.3390/nu16234024.
PMID: 39683419DERIVEDGawlik-Kotelnicka O, Burzynski J, Rogalski J, Skowronska A, Strzelecki D. Probiotics may be useful for drug-induced liver dysfunction in patients with depression - A secondary analysis of a randomized clinical trial. Clin Nutr ESPEN. 2024 Oct;63:604-614. doi: 10.1016/j.clnesp.2024.07.1024. Epub 2024 Jul 30.
PMID: 39089652DERIVEDGawlik-Kotelnicka O, Margulska A, Pleska K, Skowronska A, Strzelecki D. Metabolic Status Influences Probiotic Efficacy for Depression-PRO-DEMET Randomized Clinical Trial Results. Nutrients. 2024 May 3;16(9):1389. doi: 10.3390/nu16091389.
PMID: 38732635DERIVEDGawlik-Kotelnicka O, Skowronska A, Margulska A, Czarnecka-Chrebelska KH, Loniewski I, Skonieczna-Zydecka K, Strzelecki D. The Influence of Probiotic Supplementation on Depressive Symptoms, Inflammation, and Oxidative Stress Parameters and Fecal Microbiota in Patients with Depression Depending on Metabolic Syndrome Comorbidity-PRO-DEMET Randomized Study Protocol. J Clin Med. 2021 Mar 24;10(7):1342. doi: 10.3390/jcm10071342.
PMID: 33804999DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Dr.
Study Record Dates
First Submitted
February 11, 2021
First Posted
February 16, 2021
Study Start
December 17, 2020
Primary Completion
December 31, 2022
Study Completion
December 31, 2023
Last Updated
February 16, 2021
Record last verified: 2021-02