Safety and Efficacy of Hemoglobin F Inducers in Patients With Beta Thalassemia
Safety and Efficacy of Hemoglobin F Inducers in Patients With Beta Thalassemia: a Prospective 12 Months Study
The aim of this study is to determine the safety and therapeutic effect of HbF inducers (combination therapy: thalidomide and hydroxyurea) on beta thalassemia patients. The main objectives of this study are:
- To determine the therapeutic efficacy of HbF inducers (combination therapy: thalidomide and hydroxyurea) on hemoglobin level and blood transfusion in beta thalassemia patients.
- To determine the safety of HbF inducers (combination therapy: thalidomide and hydroxyurea) in beta thalassemia patients
- To determine effect of HbF inducers (combination therapy: thalidomide and hydroxyurea) on quality of life of beta thalassemia patients
研究概览
详细说明
This is a two-arm comparative study. One group is the interventional group, in which all patients will receive thalidomide and hydroxyurea. Low-dose Thalidomide will be administered to patients at a low dose of 0.5 to 4 mg/kg orally every day for 12 months until continuous transfusion-dependency or unacceptable toxicity occurs. The starting dose of hydroxyurea will be 10-20 mg/kg per day. The second group will be the control group for blood transfusion.
In the intervention group, 114 confirmed diagnoses of beta thalassemia ascertained by Hemoglobin Electrophoresis or HPLC report performed pre-transfusion or genetic testing profile (comprising PCR or HBB gene sequencing) suggestive of β-thalassemia syndrome will be included. To assess the therapeutic efficacy of HbF inducers (combination therapy: thalidomide and hydroxyurea), the number of blood transfusions and hemoglobin level will be assessed as per the given schedule.
. Adverse events will be recorded at each follow-up to assess the safety of the therapy. The patient/guardian/parent will be specifically asked about paresthesia, rash, constipation, unexplained infections, bleeding symptoms, headache, syncope, focal weakness, and behavioral changes. All participants will be asked to report any adverse reactions and will be questioned about adverse events during the study visit. EORTC QLQ C-30 URDU version, a self-administered questionnaire, will be filled by each participant at baseline and 6 months.
研究类型
注册 (估计的)
阶段
- 不适用
联系人和位置
学习联系方式
- 姓名：Fariha Sardar, MBBS, FCPS
- 电话号码：+923335517877
- 邮箱：doc.fariha@yahoo.com
研究联系人备份
- 姓名：Fariha Sardar, MBBS, FCPS
- 电话号码：+923350941494
- 邮箱：afzaal2kmt20@gamil.com
学习地点
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Punjab Province
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Rawalpindi、Punjab Province、巴基斯坦
- 招聘中
- Riphah International University
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接触：
- Fariha Sadar, MBBS, FCPS
- 电话号码：+923335517877
- 邮箱：doc.fariha@yahoo.com
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接触：
- Fariha Saradr, MBBS, FCPS
- 电话号码：+923350941494
- 邮箱：afzaal2kmt20@gamil.com
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-
参与标准
资格标准
适合学习的年龄
- 孩子
- 成人
- 年长者
接受健康志愿者
描述
Inclusion criteria:
- Confirmed diagnosis of Beta thalassemia Major (BTM) ascertained by Hemoglobin Electrophoresis or HPLC report performed pre-transfusion or genetic testing profile (comprising PCR or HBB gene sequencing) suggestive of β-thalassemia syndrome.
- All ages and both genders will be included
- Written informed consent
Exclusion criteria:
- Pregnancy or unwilling to follow contraception or planning conception (Enrolled female patients will be strictly advised to avoid pregnancy during the study period and until 6 months after thalidomide withdrawal.
- Hemoglobinopathies other than beta thalassemia
- History of neurological problems
- Inability to regularly follow up
学习计划
研究是如何设计的？
设计细节
- 主要用途：治疗
- 分配：非随机化
- 介入模型：并行分配
- 屏蔽：无（打开标签）
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
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无干预：Blood transfusion Group
Control group will be on regular blood transfusion and iron chelation therapy
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实验性的：HbF inducers
All patients will receive thalidomide and hydroxyurea.
Low dose Thalidomide will be administered to patients at a low dose of 0.5 to 4 mg/kg orally every day for 12 months until continuous transfusion-dependency or unacceptable toxicity occurred.
The starting dose of hydroxyurea will be 10-20 mg/kg per day.
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Tab Thalidomide 0.5 to 4 mg/kg orally every day for 12 months
其他名称：
Tab Hydroxyurea 10-20 mg/kg per day for 12 months
其他名称：
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研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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Improvement in the hemoglobin level
大体时间：6 months
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To evaluate the Improvement in Hemoglobin level, response criteria are defined as follows: Major response, an elevation in total Hb level of ≥2 g/dL Minor response, an elevation in total Hb level of 1 to 2 g/dL, or Hb not substantially increased (<1 g/dL) but the patients achieve Hb>7 g/L No response, an elevation in total Hb level of <1 g/dL |
6 months
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Decrease in transfusion requirement
大体时间：6 months
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To evaluate the decrease in transfusion requirement, response criteria are defined as follows: Major response: reduce transfusion requirements by ≥25% after 6 months of therapy compared to baseline. Minor response: reduce transfusion requirement by <25 % after 6 months of therapy, No response: same blood transfusion requirement as baseline |
6 months
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次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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Serum Bilirubin levels
大体时间：1 year
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0.2- 1.1 mg/dL Normal >1.1- 3 mg/dL Mild derangement >3 mg/dL Severe derangement
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1 year
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Change in ALT levels
大体时间：1 year
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ALT levels range: 0- 42 U/L Normal >42-126 U/L Mild severity >126- 420 U/L Moderate severity >420 U/L severe |
1 year
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Change in serum creatinine levels
大体时间：1 year
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Serum creatinine 0.2 - 1.1 mg/dL Normal >1.1- 1.5 mg/dL Mild severity >1.5- 3.0 mg/dL Moderate severity >3 mg/dL Severe
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1 year
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Assess Quality of life by using EORTC QLQ-C30
大体时间：6 months
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EORTC QLQ C-30 URDU version, a self-administered questionnaire, will be filled by each participant at baseline and 6 months. Functional/Global: 100 = perfect function. 0 = no function. 10-point change = clinically meaningful. Symptoms: 0 = no symptoms. 100 = maximum symptoms 10-point increase = worse symptom burden. |
6 months
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合作者和调查者
调查人员
- 首席研究员：Fariha Sardar, MBBS, FCPS、Riphah International University, Rwp
出版物和有用的链接
一般刊物
- Lu Y, Wei Z, Yang G, Lai Y, Liu R. Investigating the Efficacy and Safety of Thalidomide for Treating Patients With ss-Thalassemia: A Meta-Analysis. Front Pharmacol. 2022 Jan 11;12:814302. doi: 10.3389/fphar.2021.814302. eCollection 2021.
- Chen JM, Zhu WJ, Liu J, Wang GZ, Chen XQ, Tan Y, Xu WW, Qu LW, Li JY, Yang HJ, Huang L, Cai N, Wang WD, Huang K, Xu JQ, Li GH, He S, Luo TY, Huang Y, Liu SH, Wu WQ, Lu QY, Zhou MG, Chen SY, Li RL, Hu ML, Huang Y, Wei JH, Li JM, Chen SJ, Zhou GB. Safety and efficacy of thalidomide in patients with transfusion-dependent beta-thalassemia: a randomized clinical trial. Signal Transduct Target Ther. 2021 Nov 18;6(1):405. doi: 10.1038/s41392-021-00811-0.
- Ali Z, Ismail M, Rehman IU, Rani GF, Ali M, Khan MTM. Long-term clinical efficacy and safety of thalidomide in patients with transfusion-dependent beta-thalassemia: results from Thal-Thalido study. Sci Rep. 2023 Aug 21;13(1):13592. doi: 10.1038/s41598-023-40849-4.
- Tuo Y, Li Y, Li Y, Ma J, Yang X, Wu S, Jin J, He Z. Global, regional, and national burden of thalassemia, 1990-2021: a systematic analysis for the global burden of disease study 2021. EClinicalMedicine. 2024 May 6;72:102619. doi: 10.1016/j.eclinm.2024.102619. eCollection 2024 Jun.
- Shah S, Sheth R, Shah K, Patel K. Safety and effectiveness of thalidomide and hydroxyurea combination in beta-thalassaemia intermedia and major: a retrospective pilot study. Br J Haematol. 2020 Feb;188(3):e18-e21. doi: 10.1111/bjh.16272. Epub 2019 Nov 11. No abstract available.
研究记录日期
研究主要日期
学习开始 (实际的)
初级完成 (估计的)
研究完成 (估计的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (实际的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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