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Phase II, multi-center, open-label, single-arm clinical trial evaluating the efficacy and safety of Mycophenolate Mofetil in patients with high-grade locally advanced or metastatic osteosarcoma (ESMMO): rationale and design of the ESMMO trial
BMC Cancer ( IF 3.8 ) Pub Date : 2020-03-30 , DOI: 10.1186/s12885-020-06751-2
Nut Koonrungsesomboon , Nuttapong Ngamphaiboon , Natavudh Townamchai , Pimpisa Teeyakasem , Chaiyut Charoentum , Pimlak Charoenkwan , Rungrote Natesirinilkul , Lalita Sathitsamitphong , Touch Ativitavas , Parunya Chaiyawat , Jeerawan Klangjorhor , Suradej Hongeng , Dumnoensun Pruksakorn

Clinical outcomes of patients with osteosarcoma remain unsatisfactory, with little improvement in a 5-year overall survival over the past three decades. There is a substantial need for further research and development to identify and develop more efficacious agents/regimens in order to improve clinical outcomes of patients for whom the prognosis is unfavorable. Recently, mycophenolate mofetil, a prodrug of mycophenolic acid, has been found to have anticancer activity against osteosarcoma in both in vitro and animal experiments, so that further investigation in humans is warranted. A total of 27 patients with high-grade locally advanced or metastatic osteosarcoma will be enrolled into this phase II, multi-center, open-label, single-arm, two-stage clinical trial. The main objectives of this study are to determine the efficacy and safety of mycophenolate mofetil in the patients. The primary endpoint is progression-free survival at 16 weeks; the secondary endpoints include progression-free survival, overall survival, overall response rate, safety parameters, pharmacokinetic parameters, biomarkers, pain score, and quality of life. Mycophenolate mofetil at the initial dose of 5 g/day or lower will be administered for 4 cycles (28 days/cycle) or until disease progression or unacceptable toxicity. The dose of mycophenolate mofetil may be reduced by 1–2 g/day or withheld for some Grade 3 or Grade 4 toxicities whenever clinically needed. The duration of study participation is approximately 4–5 months, with a minimum of 12 study visits. If mycophenolate mofetil proves beneficial to some patients, as evidenced by stable disease or partial response at 16 weeks, administration of mycophenolate mofetil will continue in the extension period. This trial is the first step in the translation of therapeutic potential of mycophenolate mofetil emerging from in vitro and animal studies into the clinical domain. It is designed to assess the efficacy and safety of mycophenolate mofetil in patients with high-grade locally advanced or metastatic osteosarcoma. The results will provide important information about whether or not mycophenolate mofetil is worth further development. This trial was prospectively registered on Thai Clinical Trials Registry (registration number: TCTR20190701001). The posted information will be updated as needed to reflect protocol amendments and study progress.

中文翻译:

II期,多中心,开放标签,单臂临床试验,评估麦考酚酯Mofetil在高级别局部晚期或转移性骨肉瘤(ESMMO)患者中的疗效和安全性:ESMMO试验的原理和设计

骨肉瘤患者的临床结局仍然不能令人满意,在过去的三十年中,其5年总生存率几乎没有改善。迫切需要进一步的研究和开发,以鉴定和开发更有效的药物/治疗方案,以改善预后不良的患者的临床结局。最近,已发现霉酚酸的前药霉酚酸酯在体外和动物实验中均具有抗骨肉瘤的抗癌活性,因此有必要在人体中进行进一步研究。总共27例具有高度局部晚期或转移性骨肉瘤的患者将被纳入该II期,多中心,开放标签,单臂,两阶段临床试验。这项研究的主要目的是确定霉酚酸酯在患者中的疗效和安全性。主要终点是16周无进展生存期。次要终点包括无进展生存期,总生存期,总缓解率,安全性参数,药代动力学参数,生物标志物,疼痛评分和生活质量。初始剂量为5 g /天或更低的霉酚酸酯将进行4个周期(28天/周期)给药,直到疾病进展或出现不可接受的毒性。当临床需要时,霉酚酸酯的剂量可以减少1-2 g /天,或因某些3级或4级毒性而停药。参加研究的持续时间约为4-5个月,最少要进行12次研究访问。如果证明霉酚酸酯对某些患者有益,如在16周时疾病稳定或部分缓解所证实,则在延长期内将继续给予霉酚酸酯。该试验是将霉酚酸酯的治疗潜力从体外和动物研究转化为临床领域的第一步。它旨在评估霉酚酸酯在患有高级别局部晚期或转移性骨肉瘤的患者中的疗效和安全性。结果将提供有关霉酚酸酯是否值得进一步开发的重要信息。该试验已在泰国临床试验注册中心进行了前瞻性注册(注册号:TCTR20190701001)。发布的信息将根据需要进行更新,以反映方案修订和研究进度。在延长期内将继续使用霉酚酸酯。该试验是将霉酚酸酯的治疗潜力从体外和动物研究转化为临床领域的第一步。它旨在评估霉酚酸酯在患有高级别局部晚期或转移性骨肉瘤的患者中的疗效和安全性。结果将提供有关霉酚酸酯是否值得进一步开发的重要信息。该试验已在泰国临床试验注册中心进行了前瞻性注册(注册号:TCTR20190701001)。发布的信息将根据需要进行更新,以反映方案修订和研究进度。在延长期内将继续使用霉酚酸酯。该试验是将霉酚酸酯的治疗潜力从体外和动物研究转化为临床领域的第一步。它旨在评估霉酚酸酯在患有高级别局部晚期或转移性骨肉瘤的患者中的疗效和安全性。结果将提供有关霉酚酸酯是否值得进一步开发的重要信息。该试验已在泰国临床试验注册中心进行了前瞻性注册(注册号:TCTR20190701001)。发布的信息将根据需要进行更新,以反映方案修订和研究进度。该试验是将霉酚酸酯的治疗潜力从体外和动物研究转化为临床领域的第一步。它旨在评估霉酚酸酯在患有高级别局部晚期或转移性骨肉瘤的患者中的疗效和安全性。结果将提供有关霉酚酸酯是否值得进一步开发的重要信息。该试验已在泰国临床试验注册中心进行了前瞻性注册(注册号:TCTR20190701001)。发布的信息将根据需要进行更新,以反映方案修订和研究进度。该试验是将霉酚酸酯的治疗潜力从体外和动物研究转化为临床领域的第一步。它旨在评估霉酚酸酯在患有高级别局部晚期或转移性骨肉瘤的患者中的疗效和安全性。结果将提供有关霉酚酸酯是否值得进一步开发的重要信息。该试验已在泰国临床试验注册中心进行了前瞻性注册(注册号:TCTR20190701001)。发布的信息将根据需要进行更新,以反映方案修订和研究进度。它旨在评估霉酚酸酯在患有高级别局部晚期或转移性骨肉瘤的患者中的疗效和安全性。结果将提供有关霉酚酸酯是否值得进一步开发的重要信息。该试验已在泰国临床试验注册中心进行了前瞻性注册(注册号:TCTR20190701001)。发布的信息将根据需要进行更新,以反映方案修订和研究进度。它旨在评估霉酚酸酯在患有高级别局部晚期或转移性骨肉瘤的患者中的疗效和安全性。结果将提供有关霉酚酸酯是否值得进一步开发的重要信息。该试验已在泰国临床试验注册中心进行了前瞻性注册(注册号:TCTR20190701001)。发布的信息将根据需要进行更新,以反映协议修订和研究进度。
更新日期:2020-03-31
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