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Inclusion of the last patient
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Main objective: To compare the efficacy of a new strategy of Next Generation Sequencing (NGS) versus a classical Sanger strategy, for the diagnosis of patients referred to the laboratory for suspected systemic autoinflammatory diseases (SAID).
Secondary objectives:
Systemic autoinflammatory diseases (SAID) include a broad spectrum of pathologies of innate immunity. In recent years, numerous publications have shown the involvement of new genes in these diseases, highlighting new pathophysiological pathways (inflammasome, NFkB: nuclear factor-kappa B, interferon) and new targeted therapies (biotherapy advantageously replacing non-specific anti-inflammatory drugs). Current laboratory diagnostic strategy is based on the Sanger method, the gold standard to date, allowing the sequential analysis of some genes (usually between 1 and 4). The nonspecific nature of the clinical presentation of these diseases, the increasing number of genes involved and the low diagnostic yield obtained, make it essential to develop a new strategy, more efficient, so that the patient can benefit as soon as possible treatment suited to his pathology as soon as the gene involved is identified. The investigator had developed and validated in our genetic laboratories a new method based on the Next Generation Sequencing (NGS). A panel of 32 known or candidate SAID genes, which can be simultaneously analyzed within a time compatible with the diagnosis. The investigator wishes to highlight the benefits of this new strategy.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| No intervention | Other |
| Measure | Description | Time Frame |
|---|---|---|
| Number of genetically ascertained patients using Next Generation Sequencing (NGS) vs Sanger | At time of report issue up to two years |
| Measure | Description | Time Frame |
|---|---|---|
| Date of introduction of relevant treatment | 6 months after report issue |
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Inclusion Criteria:
Patients with prerequisites established jointly by the reference centers:
Exclusion Criteria:
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Patients referred to the laboratory for suspected Systemic Autoinflammatory Diseases (SAID)
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| Name | Affiliation | Role |
|---|---|---|
| Guillaume SARRABAY, md | University Hospital, Montpellier | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| university Hospital Montpellier | Montpellier | 34295 | France |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32909274 | Derived | Rama M, Mura T, Kone-Paut I, Boursier G, Aouinti S, Touitou I, Sarrabay G. Is gene panel sequencing more efficient than clinical-based gene sequencing to diagnose autoinflammatory diseases? A randomized study. Clin Exp Immunol. 2021 Jan;203(1):105-114. doi: 10.1111/cei.13511. Epub 2020 Sep 29. |
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Patients with prerequisites established jointly by the reference centers . At least 3 unexplained inflammatory access elevated CRP (C reactive protein)