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Journal Article
Randomized Controlled Trial
Efficacy of oxymatrine for treatment and relapse suppression of severe plaque psoriasis: results from a single-blinded randomized controlled clinical trial.
British Journal of Dermatology 2017 June
BACKGROUND: Drugs that are currently used in the treatment of psoriasis are associated with drawbacks such as rapid recrudescence, high costs and unwanted side-effects. Oxymatrine has a long history of clinical use in the treatment of hepatitis and cancer in China.
OBJECTIVES: To explore the efficacy and safety of intravenous oxymatrine in patients with severe plaque psoriasis.
METHODS: A total of 67 patients were randomly allocated to receive oxymatrine injections (0.6 g per day for 8 weeks) or acitretin capsules (0.75 mg kg-1 per day from week 0 to week 2 and 20-30 mg per day from week 3 to week 8) and followed up for another 24 weeks. The primary end point was the percentage of patients with ≥ 50% reduction of Psoriasis Area and Severity Index (PASI 50) at week 32. The secondary end points included the skin classification grade and the Dermatology Quality of Life Index (DLQI) score. Side-effects were recorded throughout the whole study to assess the safety profile.
RESULTS: Treatment with oxymatrine or acitretin for 8 weeks significantly decreased PASI score, skin classification grade and DLQI score (P < 0.001), with no significant differences between the oxymatrine and acitretin groups in terms of PASI 50. However, at week 32, the relapse rate in the oxymatrine group was significantly lower than that of the acitretin group (P < 0.001). Moreover, while there was an increase in the number of patients with metabolic abnormalities in the acitretin group, a significant reduction was observed in the oxymatrine group. Furthermore, rates of adverse reactions were significantly decreased in the oxymatrine group compared with that of the acitretin group (P < 0.001).
CONCLUSIONS: Treatment with oxymatrine effectively ameliorated severe plaque psoriasis, and was accompanied by only minor adverse effects.
OBJECTIVES: To explore the efficacy and safety of intravenous oxymatrine in patients with severe plaque psoriasis.
METHODS: A total of 67 patients were randomly allocated to receive oxymatrine injections (0.6 g per day for 8 weeks) or acitretin capsules (0.75 mg kg-1 per day from week 0 to week 2 and 20-30 mg per day from week 3 to week 8) and followed up for another 24 weeks. The primary end point was the percentage of patients with ≥ 50% reduction of Psoriasis Area and Severity Index (PASI 50) at week 32. The secondary end points included the skin classification grade and the Dermatology Quality of Life Index (DLQI) score. Side-effects were recorded throughout the whole study to assess the safety profile.
RESULTS: Treatment with oxymatrine or acitretin for 8 weeks significantly decreased PASI score, skin classification grade and DLQI score (P < 0.001), with no significant differences between the oxymatrine and acitretin groups in terms of PASI 50. However, at week 32, the relapse rate in the oxymatrine group was significantly lower than that of the acitretin group (P < 0.001). Moreover, while there was an increase in the number of patients with metabolic abnormalities in the acitretin group, a significant reduction was observed in the oxymatrine group. Furthermore, rates of adverse reactions were significantly decreased in the oxymatrine group compared with that of the acitretin group (P < 0.001).
CONCLUSIONS: Treatment with oxymatrine effectively ameliorated severe plaque psoriasis, and was accompanied by only minor adverse effects.
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