IVIG With Rituximab vs Rituximab as First Line Treatment of Pemphigus
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- STATUS
- Recruiting
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- End date
- Dec 31, 2024
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- participants needed
- 20
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- sponsor
- The University of Hong Kong
Summary
Pemphigus is a rare acquired autoimmune disease in which immunoglobulin G (IgG) antibodies target desmosomal proteins to produce intraepithelial, and mucocutaneous blisters. It is potentially fatal and the average mortality of pemphigus vulgaris (PV) was 75% before the introduction of corticosteroids in the early 1950s.
Traditionally, treatment of pemphigus included high dose systemic corticosteroids with or without adjuvant immunosuppressants. However; the prolonged use of high dose steroids carries significant side effects. A recent randomized trial has proved the efficacy of Rituximab, a monoclonal anti-CD20 antibody against B-lymphocytes, as an efficacious therapy for pemphigus. Early use of rituximab was associated with better clinical outcomes, hence combination treatment of rituximab and intravenous immunoglobulins (IVIG) has shown to be effective for refractory pemphigus cases and can potentially induce long-term complete remission and lower risks infectious complications.
In this study, investigators will evaluate the efficacy and safety of early use of rituximab with or without IVIG in patients with moderate to severe pemphigus using protocols that were similar to those previously published, investigators will also aim to measure the impact of health care economics and in doing so, assess the cost and benefits of both treatment arms.
Description
Pemphigus is a rare acquired autoimmune disease in which immunoglobulin G (IgG) antibodies target desmosomal proteins to produce intraepithelial, and mucocutaneous blisters. It is potentially fatal and the average mortality of pemphigus vulgaris (PV) was 75% before the introduction of corticosteroids in the early 1950s.
Traditionally, treatment of pemphigus included high dose systemic corticosteroids with or without adjuvant immunosuppressants. However; the prolonged use of high dose steroids carries significant side effects. A recent randomized trial has proved the efficacy of Rituximab, a monoclonal anti-CD20 antibody against B-lymphocytes, as an efficacious therapy for pemphigus. Furthermore, early use of rituximab was associated with associated with better clinical outcomes. Moreover, combination treatment of rituximab and intravenous immunoglobulins (IVIG) has shown to be effective for refractory pemphigus cases and can potentially induce long-term complete remission and lower risks infectious complications.
Cost effectiveness is an important issue and while combination of IVIG and rituximab has been advocated, the cost of such treatment is substantial and whether it poses any benefit over rituximab alone, or with other more conventional immunosuppressive agents, has not been established. Both treatment approaches have been previously published in high impact journals.
In this study, investigators aim to evaluate the efficacy and safety of early use of rituximab with or without IVIG in patients with moderate to severe pemphigus using protocols that were similar to those previously published. Apart from complete remission and adverse effects, investigators will also aim to measure the impact of health care economics and in doing so, assess the cost and benefits of both treatment arms.
Details
| Condition | Pemphigus, pemphigus vulgaris (pv), pemphigus vulgaris (pv) |
|---|---|
| Age | 18-70 years |
| Treatment | Rituximab, IVIg |
| Clinical Study Identifier | NCT04400994 |
| Sponsor | The University of Hong Kong |
| Last Modified on | 19 February 2024 |
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