In patients with progressive multiple sclerosis, the presence of active inflammation is associated with improved efficacy of anti-inflammatory therapies. However, the frequency of active inflammation in this patient population is unknown, and is the subject of a new study.

中文翻译：

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进行性多发性硬化症中的活动性炎症有多常见？

在患有进行性多发性硬化症的患者中，活动性炎症的存在与抗炎疗法疗效的提高有关。然而，该患者群体中活动性炎症的频率尚不清楚，这是一项新研究的主题。