Disease & disorder

complement component 2 deficiency

MONDO:0009006

Complement component 2 deficiency (C2D) is a genetic condition that affects the immune system. Signs and symptoms include recurrent bacterial infections and risk for a variety of autoimmune conditions. Infections can be very serious and are common in early life. They become less frequent during the teen and adult years. The most frequent autoimmune conditions associated with C2D are lupus (10-20%) and vasculitis. C2D is caused by mutations in the C2 gene and is inherited in an autosomal recessive fashion.

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Research intelligence

Directly mapped studies only · unique clinical trials

Current registry observations. Phase counts may overlap. Study start dates are not registry registration dates. Investigational interventions are not approved-treatment recommendations.

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Background context

Complement 2 deficiency

Complement 2 deficiency is a type of complement deficiency caused by any one of several different alterations in the structure of complement component 2. It has been associated with an increase in infections. It can present similarly to systemic lupus erythematosus (SLE).

Background only. Canonical identity remains MONDO; clinical-trial relationships come from ClinicalTrials.gov.

Drugs being studied

Disease identity and terminology: MONDO. Trial relationships: ClinicalTrials.gov.