Fecal Microbiota Transplantation After Autologous HSCT in Patients With Multiple Sclerosis

  • End date
    Dec 1, 2024
  • participants needed
  • sponsor
    St. Petersburg State Pavlov Medical University
Updated on 4 October 2022
disease or disorder


The hypothesis of the study is that according to modern data, the pathogenesis of multiple sclerosis is inextricably linked to the patient's microbiota. Therefore, transplantation of a normal fecal microbiota (FMT) can improve the outcome of autologous hematopoietic stem cell transplantation (autoHSCT) by increasing the disease-free period and disease progression suspension for at least 5 years after transplantation, which meets the NEDA (No Evidence of Disease Activity) criteria, satisfying the current trends of clinical neurology.


AutoHSCT may be a method of choice to treat patients with refractory forms of multiple sclerosis, taking into account the insufficient efficacy of first line therapy, lack of availability (government approval) and high cost of monoclonal antibodies as a second line drugs. In this setting, according to the safety-efficiency ratio the most appropriate are reduced intensity conditioning regimens in autoHSCT. In 75% of cases for refractory forms of multiple sclerosis it is possible to achieve 5 years remission with transplant mortality less than 1%. In recent years, it is quite clear that gut microbiota abnormalities may be one of mechanisms for autoimmune diseases development. Therefore, the correction of gut dysbiosis through FMT from a healthy donor can improve the effectiveness of basic therapies. Currently, FMT is a rapidly developing method of treating intestinal infections associated with multi-resistant bacteria, based on the replacement of the recipient's microbiota by the donor's microbiota.

Condition Multiple Sclerosis
Treatment allogeneic fecal microbiota
Clinical Study IdentifierNCT04203017
SponsorSt. Petersburg State Pavlov Medical University
Last Modified on4 October 2022


Yes No Not Sure

Inclusion Criteria

Diagnosis: Multiple sclerosis (Relapsing-Remitting, Secondary-Progressive, Primary-Progressive)
Signed informed consent
No second tumors
No severe concurrent illness
0-6.5 points by EDSS
Disease duration less than 20 years
Disease progression on 1 and/or 2 line therapy (1 point EDSS 1.0-6.0 and 0,5 point EDSS 6.0-6.5)

Exclusion Criteria

Moderate or severe cardiac dysfunction, left ventricular ejection fraction <50%
Moderate or severe decrease in pulmonary function, FEV1 <70% or DLCO<70% of predicted
Respiratory distress >grade I
Severe organ dysfunction: AST or ALT >5 upper normal limits, bilirubin >1.5 upper normal limits, creatinine >2 upper normal limits
Creatinine clearance < 60 mL/min
Uncontrolled bacterial or fungal infection at the time of enrollment
Requirement for vasopressor support at the time of enrollment
Karnofsky index <30%
Somatic or psychiatric disorder making the patient unable to sign informed consent
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