About this trial
The study is to evaluate the efficacy and safety of lenalidomide in the treatment of oral ulcers in adult patients with refractory mucosal Behcet's syndrome.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients that can understand and voluntarily sign an informed consent document prior to the study;
Male and female subjects ≥ 18 years and ≤ 65 years of age at the time of signing the informed consent document.
Fulfilling the ICBD (International Conference on Behcet's Disease) criteria(2013);
Presented with active mucosal lesions: Subjects must have at least 1 oral ulcer within 4 weeks after the screening visit and at least 2 oral ulcers on the day of enrollment; subjects may be with or without genital ulcers and (or) skin lesions.
Disqualifiers
Pregnant women or breastfeeding mothers, Male and female patients with recent fertility requirements.
Skin and mucosal lesions should exclude erythema multiforme, syphilis, Sweet disease, Stevens-Johnson syndrome, acne vulgaris, herpes simplex infection, periodic granulocytopenia, and acquired immunodeficiency.
Subjects with Behçet's syndrome-related active major organ involvement that requires aggressive immunosuppressive therapy, including active gastrointestinal, ocular, nervous system, and major vessel involvement.
Severe Concomitant disease: including heart failure(≥level Ⅲ, NYHA), respiratory failure, renal insufficiency (Serum creatinine ≥ 1.5 mg/dL ), hepatic insufficiency(Aspartate transaminase (AST) and alanine transaminase (ALT) ≥ 2 X ULN.), myelosuppression(WBC<3.0×109/L or N<1.5×109/L, HGB≤85g/L, PLT<100×109/L), peripheral neuropathy.
Trial design
Single group
Treatments tested in this trial
Lenalidomide 10 mg
DrugAll subjects will be treated with lenalidomide 10mg/day with a regular follow-up of 12 weeks, followed by a 4-week observation after cessation of lenalidomide.
Treatment groups
Trial outcomes
Primary outcomes
The complete remission rate of oral ulcers in subjects after 12 weeks of treatment
A complete remission at week 12 was defined as participants who were oral ulcer-free at week 12.
Secondary outcomes
Percentage of participants who had an partial response of oral ulcer at Week 12
A partial response at week 12 was defined as participants with a 50% or more reduction in the number of oral ulcers at week 12
Percentage of participants who had no response of oral ulcer at Week 12
No response at week 12 was defined as all other participants at week 12
Percentage of participants who had a complete response of genital ulcer at Week 12
A complete remission at week 12 was defined as participants who were genital ulcer-free at week 12.
Percentage of participants who had an partial response of genital ulcer at Week 12
A partial response at week 12 was defined as participants with a 50% or more reduction in the number of genital ulcers at week 12
Sponsors and contacts
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