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Clinical Trial Summary

Langerhans cell histiocytosis (LCH) is a rare, heterogeneous histiocytic disorder occurring most commonly in children. Because of the rarity of LCH in adults and a lack of prospective randomized trials, the treatment strategy for adults is mostly based on pediatric protocols. The overall response rate of therapy based on vinblastine plus prednisone in adults is lower than in children and the treatment tends to show higher toxicity.There is little data to guide therapy after frontline treatment. In a phase 2 trial, thalidomide as monotherapy gave a 70% response rate in recurrent/refractory low risk LCH but there were no responses in six high risk children. We want to analyze the efficacy and toxicity of thalidomide combined with dexamethasone and cyclophosphamide regimens in the treatment of recurrent/refractory LCH among adult patients at our hospital.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04120519
Study type Interventional
Source Peking Union Medical College Hospital
Contact Xinxin caoyang, MD
Phone 69155027
Email caoxinxin@pumch.cn
Status Recruiting
Phase Phase 2
Start date October 10, 2019
Completion date December 31, 2021

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