Effect of Plasmapheresis on Clinical Improvement and Biological Parameters of Patients With Long-haul COVID

NCT ID: NCT05543590

Last Updated: 2023-08-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

NA

Study Classification

INTERVENTIONAL

Study Start Date

2023-02-28

Study Completion Date

2025-10-31

Brief Summary

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Many patients infected with SARS-Cov-2 present in the months following infection with non-specific symptoms such as non-resolving fatigue, cognitive disorders, dyspnea, headaches, myalgias, sleep disorders, anosmia/ ageusia and post exertion malaise. The persistence of these symptoms is called "post covid syndrome" or "long Covid".

According to the literature, the pathophysiological mechanisms involved in post-covid syndromes would include an inadequate immune response, activation of autoimmunity, persistence of pro-inflammatory biomarkers, endothelial dysfunction and alterations in the intestinal microbiota.

In view of the involved pathophysiological mechanisms, linked to the circulation of pro-inflammatory molecules, autoimmunity or endothelial activation, the role of immuno-modulation in the treatment of long Covid need to be evaluated.

Plasma exchange (PE) by decreasing blood levels of pro-inflammatory cytokines and/or autoimmune markers results in moderate to marked clinical improvement in various types of autoantibody-associated inflammatory, autoimmune and neurological diseases.

The goal of our study is to evaluate the effects of plasmapheresis in patients with moderate to severe long-term COVID compared to patients receiving no treatment.

Detailed Description

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Conditions

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Long-Haul COVID-19

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Experimental group: receiving plasmapheresis

Group Type EXPERIMENTAL

Plasmapheresis

Intervention Type DRUG

5 sessions of plasma exchanges

Blood collection

Intervention Type OTHER

Blood collection to assess biological markers at baseline, M3 and M12

Stool samples

Intervention Type OTHER

Stool samples will be collected from participants at baseline,M3 and M12

PET scan

Intervention Type OTHER

PET scan at baseline and M6

Cycle ergometer stress test

Intervention Type OTHER

Cycle ergometer stress test at M6

Questionnaires at baseline

Intervention Type OTHER

Questionnaires at baseline, M3 and M6

Control group : no treatment

Group Type OTHER

Blood collection

Intervention Type OTHER

Blood collection to assess biological markers at baseline, M3 and M12

Stool samples

Intervention Type OTHER

Stool samples will be collected from participants at baseline,M3 and M12

PET scan

Intervention Type OTHER

PET scan at baseline and M6

Cycle ergometer stress test

Intervention Type OTHER

Cycle ergometer stress test at M6

Questionnaires at baseline

Intervention Type OTHER

Questionnaires at baseline, M3 and M6

Medical consultations

Intervention Type OTHER

Medical consultations

Interventions

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Plasmapheresis

5 sessions of plasma exchanges

Intervention Type DRUG

Blood collection

Blood collection to assess biological markers at baseline, M3 and M12

Intervention Type OTHER

Stool samples

Stool samples will be collected from participants at baseline,M3 and M12

Intervention Type OTHER

PET scan

PET scan at baseline and M6

Intervention Type OTHER

Cycle ergometer stress test

Cycle ergometer stress test at M6

Intervention Type OTHER

Questionnaires at baseline

Questionnaires at baseline, M3 and M6

Intervention Type OTHER

Medical consultations

Medical consultations

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Aged ≥ 18 years
* Who have had confirmed SARS-COV2 infection (RT PCR) for at least 6 months
* Having for more than 6 months at least 3 symptoms among the following: fatigue, post effort malaise, dyspnea, headache, diffuse myalgia/arthromyalgia, neuropathic pain, cognitive disorders, anosmia/ageusia
* Whose above symptoms have an impact on daily activities
* And/or on sick leave for more than 3 months
* And/or having to take to bed for more than 2 hours a day
* Having given free and informed written consent
* Being affiliated with or benefiting from social security

Exclusion Criteria

* With suspected Covid-19 but not confirmed by RT-PCR test
* Having a known history of any other pathology that could be confused with the diagnosis of long COVID: multiple sclerosis, autoimmune disease (lupus and Gougerot syndrome, inflammatory muscle disease, and myasthenia gravis), untreated hypothyroidism, major depression, use of narcotics regular.
* Unable to perform a cycle ergometer stress test
* With innate or drug-induced coagulation disorders (oral or parenteral anticoagulation)
* With contraindications to plasmapheresis such as: lack of peripheral venous access or unstable cardiac pathology
* Pregnant or breastfeeding woman
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Hôpital Européen Marseille

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Other Identifiers

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21-

Identifier Type: -

Identifier Source: org_study_id

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