A Single-arm Open-label Study Assessing Short-term (Week 6, 16) and Long-term (Week 32) Efficacy of Guselkumab in Adult Participants With Pyoderma Gangrenosum
概览
- 阶段
- 2 期
- 干预措施
- Guselkumab
- 疾病 / 适应症
- Pyoderma Gangrenosum
- 发起方
- Oregon Health and Science University
- 入组人数
- 17
- 试验地点
- 2
- 主要终点
- Healing
- 状态
- 招募中
- 最后更新
- 上个月
概览
简要总结
A single-arm open-label study assessing short-term (week 6, 16) and long-term (week 32) efficacy of guselkumab in adult participants with pyoderma gangrenosum (PG)
详细描述
This is a Phase II study that will be open label and include a total of 17 patients who will receive the investigational product. PG will be defined by the investigator on the basis of results from clinical, histological and laboratory assessments. These patients will undergo 28 weeks of guselkumab dosed every 4 weeks and a stable dose of prednisone dosed daily with follow-up until week 40.
研究者
Alex Ortega Loayza
Doctor
Oregon Health and Science University
入排标准
入选标准
- •Willingness to comply with study procedures/requirements
- •Capable of giving informed consent
- •Diagnosis of at least one PG ulcer by clinical, histological and laboratory assessments with a minimum wound size of 4 cm
- •Undergoing at least once a week standard of care wound care at home or at a wound care facility
- •Are candidate for systemic therapy. Must be on a stable dose of prednisone of 20 mg/day for at least two weeks prior to first drug administration.
- •Males ages 18-99 who agree to not father a child or donate sperm while on study and at least 12 weeks following last dose of the study drug. If subject is sexually active male and could cause pregnancy, subject much be sure that female partner(s) are using birth control that works well or not have sex.
- •Females ages 18-99; either of non-childbearing potential or of childbearing potential who test negative for pregnancy and agree to use at least two reliable methods of birth control or remain abstinent during the study for at least 12 weeks following the last dose of guselkumab.
- •Willingness to travel to study site for all study visits or living \>30 miles from study site and willing/able to participate in remote videoconferencing visits with access to a computer with internet and webcam capabilities.
- •Be willing to undergo perilesional and non-lesional skin biopsy at week 0 and week 32 resulting in 4 biopsies during the course of the study. Participants can choose if they are willing to provide 2 additional biopsies at week
- •Refusal to give consent for any of the optional research samples does not exclude participant from participation in the study.
排除标准
- •Has previously received at any time any therapeutic agent directly targeted to IL-23 including, but not limited to, guselkumab, risankizumab, tildrakuzumab, or mirikizumab
- •Any drug treatment specifically for PG including but not limited to biologics (or biosimilar of), experimental antibodies, small molecules and oral immunosuppressives used within washout periods specified below, prior to first dose of study drug:
- •12 weeks for ustekinumab, ixekizumab, secukinumab, brodalumab;
- •8 weeks for infliximab;
- •6 weeks for adalimumab;
- •4 weeks for cyclosporine A, etanercept, inhibitors of the JAK/TYK pathway and PD4 inhibitors;
- •2 weeks for Calcineurin inhibitor topicals (including but not limited to pimecrolimus and tacrolimus) and other advanced topicals (including but not limited to roflumilast and tapinarof).
- •If not specified specifically, a time of 4 weeks or 5 half-lives of the drug (whichever is longer) prior to first drug administration.
- •Intralesional corticosteroids within 4 weeks of screening.
- •Active clinically infected ulcers. Individuals will be eligible for enrollment following completed treatment and resolution of infection. Antibiotics for wound superinfection are allowed.
研究组 & 干预措施
Guselkumab for PG
Subjects with PG will be treated with 100 mg every 4 weeks of guselkumab for 28 weeks in addition to starting stable dose (at least 2 weeks) of prednisone at 20 mg daily. Prednisone will be tapered based on a pre-established algorithm assessed by investigator.
干预措施: Guselkumab
结局指标
主要结局
Healing
时间窗: Week 32
Defined as the proportion of patients with complete re-epithelization, defined as a100% re-epithelialization without any drainage of the target ulcer at week 32.
次要结局
- Target ulcer remains healed(Week 40)
- Physician Global Assessment (PGA)(Week 32)
- Skin pain scale improvement over 7 days(Week 0 to 32)
- Skin pain scale improvement over 24 hours(Week 0 to 32)
- Change in physical function(Week 0 to 32)
- Decrease in ulcer area size long-term(Week 32)
- Decrease in ulcer area size short-term(Week 16)
- Mean decrease in ulcer area size short-term(Week 16)
- Mean decrease in ulcer area size long-term(Week 32)
- Skindex Mini(Week 32)
- Mean change in global assessment score(Week 0 to 32)
- Time to recurrence(Week 40)
- Treatment failure(Week 32)