NCT05199545

Brief Summary

The objective of the study is to compare the effect of a 6-week supplementation with a dietary supplement based on plant extracts to the effect of placebo, in patients with a moderate depressive episode (F32.1 by ICD10 definition) and with moderate symptoms (score HAM-D ≥ 16 and ≤ 23).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
126

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Apr 2022

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

First Submitted

Initial submission to the registry

January 6, 2022

Completed
14 days until next milestone

First Posted

Study publicly available on registry

January 20, 2022

Completed
3 months until next milestone

Study Start

First participant enrolled

April 26, 2022

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 7, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 7, 2024

Completed
Last Updated

July 15, 2025

Status Verified

July 1, 2025

Enrollment Period

2 years

First QC Date

January 6, 2022

Last Update Submit

July 10, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Evolution of depressive symptoms through Hamilton Depression Scale (HAM-D) at the end of the study

    Score HAM-D at D42, adjusted to the value at D0 minimum = 0 and maximum = 53 higher score means a worse outcome

    42 days

Secondary Outcomes (22)

  • Evolution of depressive symptoms through HAM-D during the study

    42 days

  • Evolution of depressive symptoms through HAM-D sub-scores during the study

    42 days

  • Rate of responding participants (decrease of ≥ 3 points) at D21

    21 days

  • Rate of responding participants (decrease of ≥ 3 points) at D42

    42 days

  • Rate of responding participants (decrease of ≥ 5 points) at D21

    21 days

  • +17 more secondary outcomes

Study Arms (2)

Dietary supplement group

EXPERIMENTAL

2 tablets / day for 6 weeks of the dietary supplement (Rhodiola rosea L. and Crocus sativus L.), to be taken every day in the morning with a large glass of water, from D1 to D42.

Dietary Supplement: Dietary supplement

Placebo group

PLACEBO COMPARATOR

2 tablets / day for 6 weeks of the placebo, to be taken every day in the morning with a large glass of water, from D1 to D42.

Other: Placebo

Interventions

Dietary supplementDIETARY_SUPPLEMENT

Dietary supplement under study is based on Rhodiola rosea L. and Crocus sativus L. extracts

Dietary supplement group
PlaceboOTHER

Placebo of the dietary supplement

Placebo group

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥ 18 and ≤ 75 years old ;
  • Patient with a moderate depressive episode (F32.1 by ICD10 definition) ;
  • Recent depression (less than 6 months), not managed by antidepressant or psychotherapeutic treatment ;
  • Depressive disorder not requiring, in the opinion of the investigator, initiation of antidepressant drug therapy ;
  • Patient able to understand the study information, read the information leaflet, and willing to sign the consent form ;
  • French speaking patient.

You may not qualify if:

  • Patient with a depressive disorder of another nature or any other mental illness (schizophrenia, bipolarity, alcohol or drug addiction, etc.);
  • Patient at risk of suicide (noted by the investigator, or HAM-D item 3 score \> 2) or having attempted suicide in the last 5 years;
  • Depression felt for more than 6 months ;
  • Patient on beta-blocker therapy ;
  • Patient on dialysis ;
  • Patient using products containing piperine or St. John's wort, or having a known effect on mood in the last 30 days ;
  • Woman who is pregnant or breastfeeding, or has plans to become pregnant in the next 8 weeks ;
  • Patient with an allergy or contraindication to one of the components of the product under study (rhodiola or saffron) ;
  • Patient unable to understand information related to the study (mental or linguistic disability) ;
  • Patient participating or having participated in the previous 3 months in another clinical trial ;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

CICN - Université Catholique de Louvain

Louvain-la-Neuve, Belgium

Location

MeSH Terms

Conditions

Psychological Well-Being

Interventions

Dietary Supplements

Condition Hierarchy (Ancestors)

Personal SatisfactionBehavior

Intervention Hierarchy (Ancestors)

FoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 6, 2022

First Posted

January 20, 2022

Study Start

April 26, 2022

Primary Completion

May 7, 2024

Study Completion

May 7, 2024

Last Updated

July 15, 2025

Record last verified: 2025-07

Data Sharing

IPD Sharing
Will not share

Locations