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CompletedNCT04741841Updated Oct 14, 2021

Effect of Probiotics in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)

An interventional study of GutMagnific™ H. and GutMagnific™ L. in Myalgic Encephalomyelitis and Chronic Fatigue Syndrome, sponsored by ImmuneBiotech Medical Sweden AB. Completed at 1 site in Sweden. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2021-10-14.

Sponsored by ImmuneBiotech Medical Sweden AB · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Registered 9 months after the study started (first participant enrolled Mar 2020, registered Jan 2021).

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Phase
Not applicable
Study type
Interventional
Enrollment
74
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) is a neurological disease. Currently there is no effective treatment for ME/CFS due to unclear etiology of the disease. The aim of this randomized double-blind placebo-control clinical trial is to study the efficacy of the probiotic food supplement "GutMagnific™" in ME/CFS and comorbid gastrointestinal complications. The outcome of the study will be assessed based on the data from different self-reporting questionnaires and intestinal microbial flora analysis.

Read the detailed description

Myalgic Encephalomyelitis/ Chronic Fatigue Syndrome (ME/CFS) is a neurological disease with different symptoms such as fatigue. Symptoms get worse by physical or mental exertion which usually persists for more than 24 hours (post-exertional malaise, PEM). ME/CFS is often characterized by reduced functional capacity, worsening social relationships and reduced ability to cope with work or study.

The exact cause of the ME/CFS is presently unknown however a history of viral infection is common among ME/CFS patients. Prolonged post viral fatigue can develop into a chronic illness and ME/CFS. Current research strongly suggests involvement of gastrointestinal tract and gut microflora disturbances in the pathogenesis with strong evidence supporting the role of imbalance of gut microflora, damaged gut barrier functions and dysfunctional immune responses. There are some features shared with gastrointestinal conditions like irritable bowel syndrome (IBS). GutMagnific™ is an evidence-based probiotic food supplement, scientifically designed to be effective in correcting imbalances of the gut microflora, repairing a damaged gut barrier and reducing inflammation. The strain combination in GutMagnific™ has been carefully designed for its efficacy in IBS and therefore it can be reasonably expected to be also effective in ME/CFS.

02

Conditions studied

  • Myalgic Encephalomyelitis
  • Chronic Fatigue Syndrome

Keywords

  • Myalgic Encephalomyelitis
  • Chronic Fatigue Syndrome
  • ME/CFS
  • Post Viral Fatigue
  • Post Viral Fatigue Syndrome
  • Fatigue
  • Post Exertional Malaise
  • PEM
  • Irritable Bowel Syndrome
  • IBS
  • Lactobacillus
  • Probiotic
  • GutMagnific
03

In context

Fatigue Syndrome, Chronic

264 studies on the registry are indexed under Fatigue Syndrome, Chronic; 62 are open to participants now.

This study's enrollment of 74 is above the median of 60 across 178 interventional studies indexed under Fatigue Syndrome, Chronic.

Browse Fatigue Syndrome, Chronic studies →

Lead sponsor

This is the only study on the registry with ImmuneBiotech Medical Sweden AB as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Clinical diagnosis of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) at Stora Sköndals Neurological Rehabilitation Clinic
  • Gastrointestinal complications similar to IBS

Exclusion criteria

Exclusion Criteria:

  • Consumption of any probiotics two weeks before enrolment
  • Consumption of other probiotic products during the trial
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Care provider, Investigator)
Enrollment
74 participants (actual)

Study arms

  • Placebo comparator
    Placebo

    The placebo product is identical to active product in taste and appearance but without probiotic

    Dietary Supplement: Placebo

  • Active comparator
    Treatment high dose

    High dose GutMagnific™

    Dietary Supplement: GutMagnific™ H.

  • Active comparator
    Treatment low dose

    Low dose GutMagnific™

    Dietary Supplement: GutMagnific™ L.

Interventions

  • Dietary supplementGutMagnific™ H.

    Vegan Capsules with active product, GutMagnific™ high dose

  • Dietary supplementGutMagnific™ L.

    Vegan Capsules with active product, GutMagnific™ low dose

  • Dietary supplementPlacebo

    Vegan capsules identical to active product in taste and appearance but without probiotic

06

What researchers measure

Primary outcomes

  1. Changes in ME/CFS symptoms

    ME/CFS symptom rating scale filled up weekly by participants, graded 0-4 to evaluate degree of disease burden, according to the diagnostic Canadian Criteria. Higher score indicating worse outcome.

    Time frame: At the baseline and weekly for 4 months

Secondary outcomes

  1. Changes in Irritable Bowel Syndrome (IBS) symptoms

    Questionnaire for IBS filled up by participants, graded 1-10 to evaluate degree of different bowel symptoms. Higher score indicating better condition.

    Time frame: At the baseline and weekly for 4 months

  2. Changes in the gastrointestinal symptoms based on Rome III criteria

    Rome III questionnaire for IBS filled up by participants

    Time frame: At the baseline and after 3 & 4 months

  3. Changes in health related quality of life (RAND 36-Item Health Survey)

    RAND-36 questionnaire for health-related quality of life filled up by participants. The questionnaire evaluating eight health concepts: physical functioning, role limitations caused by physical health problem, role limitations due to emotional problems, energy/fatigue, emotional well-being, social functioning, pain, and general health. Possible score is 0 (lowest) to 100 (highest) for each item.

    Time frame: At the baseline and monthly for 4 months

  4. Changes in Hospital Anxiety and Depression Scale (HADS)

    HADS questionnaire for anxiety and depression filled up by participants.The questionnaire comprises questions for anxiety and depression. Each item on the questionnaire is scored from 0-3 and means that a person can score between 0 and 21 for either anxiety or depression. Higher score representing worse outcome.

    Time frame: At the baseline and after 3 & 4 months

  5. Changes in gut microbiota composition

    Fecal samples will be analysed using sequencing-based methods to monitor possible changes related to probiotic treatment. Samples taken prior to and after probiotic treatment in the same participant will be compared.

    Time frame: At the baseline and after 3 months

07

Study locations

1 site
  • Neurological Rehabilitation Clinic in Stora Sköndal
    Stockholm, Sweden
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Mar 2020 to primary completion in Mar 2021, 12 months.

Of 78 interventional studies with no phase under Fatigue Syndrome, Chronic, half reached primary completion within 23 months of starting (the median), counting those still running; a quarter within 11 and three quarters within 43. This study's 12 months is below that.

How these figures are worked out, and which studies are left out of them.

Registered
Jan 19, 2021
First posted
Feb 5, 2021
StartActual
Mar 30, 2020
Primary completionActual
Mar 30, 2021
CompletionActual
Jun 30, 2021
Last update
Oct 14, 2021
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Oct 14, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04741841
Lead sponsor
ImmuneBiotech Medical Sweden AB
Responsible party
Sponsor
First posted
Feb 5, 2021
Start date
Mar 30, 2020
Primary completion
Mar 30, 2021
Completion
Jun 30, 2021
Last update
Oct 14, 2021

Study contacts

Per Julin, MD/PhD
principal investigator · Karolinska Institutet

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Oct 2021. You cannot join it, but the record below documents what was studied.

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