Immunoglobulin Deficiency a Treatable Cause of Fatigue in Patients With

Status Recruiting

Clinical Trial Summary

The investigators hypothesize that hypogammaglobulinemia (defined as IgG serum concentration <7.0g/L) is a treatable cause of fatigue in people with MS: The primary objective is to prove the link between hypogammaglobulinemia and fatigue in patients with multiple sclerosis. The secondary objective is to show that fatigue is mediated via frequent infections in people with MS and hypogammaglobulinemia.

Clinical Trial Description

Multiple sclerosis (MS) is the most common cause of mental and physical disability in young adults affecting approximately 10'000-15'000 persons in Switzerland (incidence 16/100000; prevalence 190/100000). MS-fatigue affects at least 75% of the MS-patients (affected persons in Switzerland 7500-11250). MS-related fatigue has socioeconomic consequences leading to increased sick leaves and a higher probability of unemployment. Effective treatment strategies for MS-fatigue are missing, despite the appearance of more effective immunotherapies to treat autoimmune neuroinflammation and to control MS disease activity. The reason for the lack of therapeutic options is the unclear pathophysiological mechanism of fatigue with many non-MS associated influencing factors like thyroid dysfunction and anaemia. Fatigue is also present in other inflammatory diseases, cancers and immunodeficiency syndromes. Regarding the latter patients with primary immunodeficiencies (PIDs) and common variable immunodeficiency (CVID) suffer from fatigue in 30 - 76%, which is more common than in the normal population. Studies investigating immunoglobulin replacement therapy in patients with CVID demonstrated a correlation between the frequency of infusions / s.c. applications and wear-off effect/fatigue. Immunoglobulin deficiency seems to be much more common in people with autoimmune diseases. In MS reduced serum immunglobulin G (IgG) concentrations regardless of immunotherapy affect between 8 - 26% of the patients. Nonetheless consequences of IgG hypogammaglobulinemia in MS are partly unknown. However, based on the findings in patients with CVID, fatigue might be one of them. To close this knowledge gap prospective observational studies are needed. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05357781
Study type	Observational
Source	Insel Gruppe AG, University Hospital Bern
Contact	Lara Diem, MD
Phone	0041316327000
Email	larafrancesca.diem@insel.ch
Status	Recruiting
Phase
Start date	July 1, 2022
Completion date	December 30, 2026

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Immunoglobulin Deficiency a Treatable Cause of Fatigue in Patients With Multiple Sclerosis (MS)? — FatIgG

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms