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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT04641806
Other study ID # P20/21_LYMPHO-Cov-2
Secondary ID
Status Withdrawn
Phase
First received
Last updated
Start date November 1, 2020
Est. completion date November 1, 2020

Study information

Verified date August 2021
Source Versailles Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

France was gradually affected by SARS-Cov-2 from January 2020; it evolved in an epidemic mode in March and April 20. During the 1st phase of the epidemic, more than 250 000 cases of Covid-19 have been confirmed in France resulting in the death of more than 30,000 patients. Mortality from infection varies greatly depending on the age of the affected individuals and their comorbidities including a history of cancer. We conducted a retrospective study in 89 patients with lymphoma and Covid-19 during the first phase of the epidemic and showed a 30-day mortality of 29%. Mortality was higher in patients over 70 years of age and in a situation of relapsed or refractory disease. Lymphoma-induced hypogammaglobulinemia and / or lymphopenia as well as chemotherapy and immunotherapy treatments are known to promote the development of infections in affected individuals. Among these, anti-CD20 monoclonal antibodies, widely prescribed to treat B-cell non-Hodgkin lymphomas (B-NHL) induce a rapid depletion of over 95% of mature CD20 + B cells. This can alter the production of antibodies, and the constitution of memory responses to a new pathogen. Also, B lymphocytes have a key immunomodulatory role in the control of viral infections. The specific immune response to SARS-CoV -2 and its evolution remain under characterization. Regardless of their neutralizing capacity, specific IgM appear 5 days after the onset of symptoms while IgG appear after 14 days. The immune response to SARS-CoV-2 also includes a T lymphocyte component, with an increase, among circulating lymphocytes, of activated CD8 and CD4 T lymphocytes. Data are still lacking on the specific response of CD4 and CD8 T lymphocytes against SARS-CoV-2, but these responses probably play a crucial role in virus clearance as well as in the immunopathology associated with SARS-CoV-2. Therapeutic depletion of B lymphocytes before acute infection may alter the generation of primary and functional responses. Therefore, a growing concern is whether patients with B-NHL who have acquired an infection with SARS-CoV-2 are protected against re-infection in the same way when they have or have not received anti-CD20 monoclonal antibodies. Analyzing the clinical and immunological evolution of Covid-19 in patients with B-NHL is useful to adapt the treatment recommendations in their regard according to the risk of severe form of Covid-19 . This is a multicenter, prospective study to determine whether treatment with monoclonal anti-CD20 antibodies in patients with B-cell NHL modifies the clinical and immunological course of Covid-19.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date November 1, 2020
Est. primary completion date November 1, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - adults aged at least 18 years - Covid-19 confirmed by PCR - between February and May 2020 - affiliated with a social security - consenting to the study Case specific inclusion criteria : - being or having been affected by B-NHL - being currently in remission, active surveillance or during first-line or second-line treatment Exclusion Criteria: - Subjects less than 18 years old - Subject with protective measure (curatorship, guardianship, safeguard of justice) -Subjects unable to give consent - Pregnant or breastfeeding women - Subject refusing to participate - Case-specific non-inclusion criteria : - Patient with a life expectancy linked to NHLof less than 6 months or with a History of hematopoietic allogeneic stem cell transplant

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Versailles Hospital

References & Publications (1)

Lamure S, Duléry R, Di Blasi R, Chauchet A, Laureana C, Deau-Fischer B, Drenou B, Soussain C, Rossi C, Noël N, Choquet S, Bologna S, Joly B, Kohn M, Malak S, Fouquet G, Daguindau E, Bernard S, Thiéblemont C, Cartron G, Lacombe K, Besson C. Determinants of — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Immunological response to SARS Cov2 Quantification of IgG anti-SARS-Cov-2 by ELISA. 6 months to one year ater Covid-19
Primary Clinical evolution after Covid-19 diagnosis length(s) of stay(s) for Covid-19 in hospitalization and intensive care 6 months after Covid-19
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