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Betamethasone dipropionate compounding for cutaneous T-cell lymphoma management

Abstract

Background Primary cutaneous lymphomas (extranodular non-Hodgkin lymphomas) are rare (incidence 1:100 000). Mycosis fungoides is the most common cutaneous T-cell lymphoma (CTCL) subtype. Treatment options are based on the diagnosis and the stage of the disease. Skin-directed therapies are useful for the initial stages and include topical treatments such as corticosteroids. Betamethasone dipropionate (BD) is a synthetic glucocorticoid with high anti-inflammatory activity, potency and immunosuppressant effects. It is used for topical treatment of CTCL within the following dosage 0.025–0.1% (w/w). In the Portuguese market only one topical cream contains BD at 0.05% (w/w).

Objectives To develop a new and stable emulsion containing 0.1% of BD.

Methods To accomplish this aim, development, stability, in vitro release and clinical studies of a new topical water-in-oil emulsion containing BD 0.1% w/w were assessed for the topical treatment of CTCL.

Results The three batches prepared were physically, chemically and microbiologically stable over a period of 90 days. 40% of BD was released over 6 hours and evaluation of skin lesions showed a favourable clinical effect (less itching, less infiltration, fewer patches and a reduced area of plaque).

Conclusions The clinical results show the effective cutaneous improvement of skin barrier conditions during the study.

  • compounding topical emulsions,
  • betamethasone dipropionate
  • Cutaneous T-cells lymphomas
  • clinical studies
  • in vitro release
  • stability
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