NCT05080244

Brief Summary

Probiotics may be considered as an option of treatment for long COVID since they have anti-viral effect, trigger immunomodulation and have low side-effects. This randomized controlled trial aims to reduce the number of patients with long COVID by 25% 90 days after the COVID-19 diagnosis by taking probiotics in a symptomatic population, self-caring at home. During the acute phase of the disease, participants will take two capsules (probiotics or placebo) per day for 10 days and one capsule (probiotics or placebo) per day for the following 15 days. A follow-up will be done twice during the acute phase, 14 days and 28 days after starting to take the investigational product (compliance to treatment, side effects, etc.). At inclusion and at Day14, Day30 and Day90 after the COVID-19 diagnosis, a questionnaire will be administered (COVID-19 symptoms, anxiety, functioning difficulties, etc.) and 2 saliva and 2 stool (viral and microbiota analyzes) self-samples will be performed.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
618

participants targeted

Target at P75+ for not_applicable covid19

Timeline
Completed

Started Oct 2021

Typical duration for not_applicable covid19

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

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 28, 2021

Completed
17 days until next milestone

First Posted

Study publicly available on registry

October 15, 2021

Completed
13 days until next milestone

Study Start

First participant enrolled

October 28, 2021

Completed
1.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 4, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 4, 2022

Completed
Last Updated

November 7, 2023

Status Verified

November 1, 2023

Enrollment Period

1.1 years

First QC Date

September 28, 2021

Last Update Submit

November 2, 2023

Conditions

Keywords

Long COVIDCOVID-19Sars-CoV-2CoronavirusProbiotics

Outcome Measures

Primary Outcomes (1)

  • Reduce by 25% the number of patients with LONG-COV during follow-up at D90 by taking probiotics during the acute phase of COVID-19

    COVID-19 symptoms (FLU-PRO), anxiety (GAD-7) and functioning difficulties (WG-SS)

    90 days after the COVID-19 diagnosis.

Secondary Outcomes (3)

  • Compare the proportion of patients presenting COVID-19 symptoms and severity of symptoms at D14, D30 and D90 by taking probiotics during the acute phase of COVID-19.

    14,30 and 90 days after the COVID-19 diagnosis.

  • Describe the symptoms severity and evolution by study group and baseline characteristics.

    Inclusion, Day14, Day30 and Day90 after the COVID-19 diagnosis

  • Determine/identify prognostic factors measured at baseline (inclusion) associated with LONG-COV (sociodemographic, clinical factors).

    Inclusion, Day14, Day30 and Day90 after the COVID-19 diagnosis

Study Arms (2)

Probiotics

EXPERIMENTAL

Two probiotic strains will constitute the experimental arm (Probiotics). Participants will take two capsules per day (one closed capsule to swallow and one open capsule mixed with maple syrup) for 10 days and one closed capsule per day to swallow for the following 15 days. They will stop the treatment if they are admitted to the hospital. The treatment will last a maximum of 25 days.

Dietary Supplement: Probiotics

Placebo

PLACEBO COMPARATOR

Potato starch and magnesium stearate will constitute the comparator arm (Placebo). Participants will take two capsules per day (one closed capsule to swallow and one open capsule mixed with maple syrup) for 10 days and one closed capsule per day to swallow for the following 15 days. They will stop the treatment if they are admitted to the hospital. The treatment will last a maximum of 25 days.

Dietary Supplement: Placebo

Interventions

ProbioticsDIETARY_SUPPLEMENT

2 strains 10x10\^9 UFC/capsule

Probiotics
PlaceboDIETARY_SUPPLEMENT

Potato starch and magnesium stearate

Placebo

Eligibility Criteria

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

You may qualify if:

  • years and over
  • Living in Quebec for the next 90 days
  • Self-caring at home
  • Able to take medication alone
  • With access to a phone or to the Internet
  • Able to give informed consent

You may not qualify if:

  • Allergies to soy, lactose, yeast, maltodextrin, vitamin C, potato starch, magnesium stearate, hypromellose or titanium dioxide
  • Has a chronically weakened immune system (AIDS, lymphoma, chemo-radio-corticosteroid therapy, immunosuppressive pathology)
  • Was treated with chemo-radio-corticosteroid therapy in the last 6 months
  • Has active cancer
  • Taking immunosuppressive drugs (e.g. anti-rejection treatment after organ transplant)
  • Already participating in another randomized clinical trial
  • Is pregnant, expects to become pregnant in the next few months or is breastfeeding
  • Has any other condition that would prevent safe participation in the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

CIUSSS de L'Estrie-CHUS Hospital

Sherbrooke, Quebec, J1H 5N4, Canada

Location

MeSH Terms

Conditions

COVID-19Post-Acute COVID-19 SyndromeCoronavirus Infections

Interventions

Probiotics

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract DiseasesPost-Infectious DisordersChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Dietary SupplementsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Officials

  • Jean-Charles Pasquier, MD, PhD

    CIUSSSE-CHUS

    PRINCIPAL INVESTIGATOR

Study Design

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

Study Record Dates

First Submitted

September 28, 2021

First Posted

October 15, 2021

Study Start

October 28, 2021

Primary Completion

December 4, 2022

Study Completion

December 4, 2022

Last Updated

November 7, 2023

Record last verified: 2023-11

Data Sharing

IPD Sharing
Will not share

Locations