NCT01977573已完成2 期
A 24-week, Phase IIB, Randomized, Controlled, Parallel Group, Multi-center Study to Evaluate the Safety and Efficacy of GSK1278863 in Subjects With Anemia Associated With Chronic Kidney Diseases Who Are Not on Dialysis.
适应症
干预措施
相关药物
试验速览
- 阶段
- 2 期
- 状态
- 已完成
- 入组人数
- 252
- 试验地点
- 1
- 主要终点
- Summary of Hemoglobin (Hgb) Concentration at Week 24
研究概览
简要总结
This study will be conducted in approximately 228 subjects with anemia associated with CKD who are not on dialysis. Two groups of subjects will be enrolled into the study: Group 1: recombinant human erythropoietin (rhEPO) naive subjects; Group 2: rhEPO users, who are currently receiving rhEPO. Subjects who are rhEPO naive will be randomized to receive either GSK1278863 once daily (QD) or rhEPO in a 3:1 fashion; subjects who are receiving an rhEPO before enrolling (rhEPO users) will be randomized in a 1:1 fashion to GSK1278863 QD or to the control arm. For those randomized to the control arm, the decision around whether the subject requires rhEPO, the selection of the type of rhEPO (if needed) and the choice of rhEPO dose to achieve and maintain Hgb concentrations within the target range should be based on Investigator clinical judgment, with the historical rhEPO dose and the current Hgb value being considered. The study consists of a screening phase of at least 4 weeks, a 24-week treatment phase and a follow-up visit that will occur approximately 4 weeks after completing treatment. It is anticipated that the data generated will enable selection of the starting dose(s) and optimize dose adjustment regimen(s) for Phase 3 clinical trials.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- Single (Participant)
入排标准
- 年龄范围
- 18 Years 至 99 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Age: >=18 years of age. (Week -4 verification only)
- •Gender: Female and male subjects. (Week -4 verification only) Females: If of childbearing potential, must agree to use one of the approved contraception methods, from Screening until completion of the Follow-up Visit OR Of non-childbearing potential defined as pre-menopausal females with a documented tubal ligation, hysterectomy, or oophorectomy; or postmenopausal defined as 12 months of spontaneous amenorrhea. Females on hormone replacement therapy (HRT) whose menopausal status is in doubt will be required to use one of the approved contraception methods if they wish to continue their HRT during the study. Otherwise they must discontinue HRT to allow confirmation of post-menopausal status prior to study enrolment.
- •Corrected QT interval (QTc): Bazett's Correction of QT Interval (QTcB) <470 milliseconds (msec) or QTcB <480 msec in subjects with bundle branch block. There is no QTc criterion for subjects with a predominantly paced rhythm.
- •CKD stage: Kidney Disease Outcomes Quality Initiative (KDOQI) CKD stages 3/4/5 defined by electronic estimated glomerular filtration rate (eGFR) using the CKD Epidemiology Collaboration (CKD-EPI) formula.
- •Hgb: Group 1 (rhEPO naïve): Baseline Hgb of 8.0-11.0 g/dL (inclusive) (USA sites only: 8.0-10.0 g/dL, inclusive); Group 2 (rhEPO users): Baseline Hgb of 9.0-11.5 g/dL (inclusive) (USA sites only: 9.0-10.5, inclusive).
- •Stable rhEPO dose for rhEPO users: Group 2 subjects must be using the same rhEPO (epoetins or their biosimilars, or darbepoetin) with total weekly doses that varied by no more than 50% during the 4 weeks prior to Week -
- •At Day 1 (randomization), confirm that total weekly doses varied by no more than 50% during the screening period.
- •Oral iron therapy: If on oral iron, then doses must not be changed for the 4 weeks prior to Week -4, during the screening phase, and through the first 4 weeks after Randomization.
排除标准
- •Dialysis: On dialysis or planning to initiate dialysis during the study.
- •Renal transplant: Pre-emptive or scheduled renal transplant.
- •High rhEPO dose: An epoetin dose of >=360 IU/kg/week intravenous (IV) or >=250 IU/kg/week subcutaneous (SC) or darbepoetin dose of >=1.8 microgram per kilogram per week (mcg/kg/week) IV or SC within the prior 8 weeks through Day 1 (randomization).
- •Use of methoxy polyethylene glycol epoetin beta within the prior 8 weeks through Day 1 (randomization).
- •IV iron therapy: Use of IV iron for 4 weeks prior to Screening Week -4, during the screening phase, and through the first 4 weeks after Randomization
- •Vitamin B12: Below the lower limit of the reference range (may rescreen in a minimum of 8 weeks).
- •Folate: <2.0 nanogram per millilitre (ng/mL) (<4.5 nanomoles per liter [nmol/L]) (may rescreen in a minimum of 4 weeks).
- •Ferritin: <40 ng/mL (<40 mcg/L).
- •Transferrin saturation (TSAT): Below the lower limit of the reference range
- •Myocardial infarction or acute coronary syndrome: Within the 8 weeks prior to Screening through Day 1 (randomization).
- •Stroke or transient ischemic attack: Within the 8 weeks prior to Week -4 Screening through Day 1 (randomization).
- •Heart failure: Class III/IV heart failure as defined by the New York Heart Association (NYHA) functional classification system diagnosed prior to Week -4 Screening through Day 1 (randomization), symptomatic right heart failure diagnosed prior to Week -4 Screening through Day 1 (randomization).
- •Uncontrolled hypertension: Defined as diastolic blood pressure (DBP) >100 mmHg or systolic blood pressure (SBP) >170 mmHg at Week -4 and reconfirmed at Day
- •Thrombotic Disease: History of thrombotic disease (e.g., venous thrombosis such as deep vein thrombosis or pulmonary embolism, or arterial thrombosis such as new onset or worsening limb ischemia requiring intervention), except vascular access thrombosis within the 8 weeks prior to Week -4 Screening through Day 1 (randomization).
- •Ophthalmology disease: Meeting any ophthalmologic-related exclusion criteria determined at the Screening ophthalmology exam.
- •Inflammatory disease: Active chronic inflammatory disease that could impact erythropoiesis (e.g., scleroderma, systemic lupus erythematosis, rheumatoid arthritis, celiac disease) diagnosed prior to Week -4 Screening through Day 1 (randomization).
- •Hematological disease: Any hematological disease including those affecting platelets, white or red blood cells (e.g. sickle cell anemia, myelodysplastic syndromes, hematological malignancy, myeloma, hemolytic anemia and thalassemia), coagulation disorders (e.g., antiphospholipid syndrome, Protein C or S deficiency), or any other cause of anemia other than renal disease diagnosed prior to Week -4 Screening through Day 1 (randomization).
- •Liver disease: Current liver disease, known hepatic or biliary abnormalities (with the exception of Gilbert's syndrome or asymptomatic gallstones) or evidence at Screening of abnormal liver function tests [alanine transaminase (ALT) or aspartate transaminase (AST) >2.0 x upper limit of normal (ULN) or total bilirubin >1.5 x ULN]; or other hepatic abnormalities that in the opinion of the investigator would preclude the subject from participation in the study.
- •Major surgery: Major surgery (excluding vascular access surgery) within the prior 8 weeks, during the Week -4 Screening phase or planned during the study.
- •Transfusion: Blood transfusion within the prior 8 weeks, during the Week -4 Screening phase or an anticipated need for blood transfusion during the study.
- •Gastrointestinal (GI) Bleeding: Evidence of actively bleeding peptic, duodenal, or esophageal ulcer disease OR clinically significant GI bleeding within the 8 weeks prior to Week -4 Screening through Day 1 (randomization).
- •Acute infection: Clinical evidence of acute infection or history of infection requiring IV antibiotic therapy within the 8 weeks prior to Week -4 Screening through Day 1 (randomization).
- •Malignancy: Subjects with a history of malignancy within the prior 5 years, who receiving treatment for cancer, or who have a strong family history of cancer (e.g., familial cancer disorders); with the exception of squamous cell or basal cell carcinoma of the skin that has been definitively treated prior to Week -4 Screening through Day 1 (randomization).
- •Severe allergic reactions: History of severe allergic or anaphylactic reactions or hypersensitivity to excipients in the investigational product (see GSK1278863 IB for list of excipients and rhEPO (refer to local product labelling for details).
- •Drugs and supplements: Use of any prescription or non-prescription drugs or dietary supplements that are prohibited from Week -4 Screening until the Follow-up Visit.
- •Prior investigational product exposure: The Subject has participated in a clinical trial and has received an experimental investigational product within the prior 30 days from Week -4 Screening through Day 1 (randomization).
- •Other Conditions: Any other condition, clinical or laboratory abnormality, or examination finding that the Investigator considers would put the subject at unacceptable risk.
- •Patient participation: Unwillingness or inability of the subject to follow the procedures or lifestyle or dietary restrictions outlined in the protocol.
- •Pregnancy or Lactation: Pregnant females as determined by positive urine human chorionic gonadotropin (hCG) test OR women who are lactating at Week -4 Screening or during the trial.
研究组 & 干预措施
GSK1278863
Experimental
Subjects will be administered GSK1278863 QD. Starting dose will be based on data from previous studies with GSK1278863 and dose-response modelling, as well as Baseline Hgb concentration. After 4 Week of fixed dose period, dose may be adjusted to achieve Hgb 9.0 to 10.5 g/dL
干预措施: GSK1278863 (Drug)
Control
Other
All subjects who are randomized to the Control arm will receive rhEPO (epoetins or their biosimilars, or darbepoetin) as necessary per standard of care, to maintain Hgb levels within the target range. The decision around whether a subject requires rhEPO, selection of the type of rhEPO and rhEPO dose should be based on Investigator clinical judgment, with the historical rhEPO dose (where applicable) and the current Hgb value being considered.
干预措施: rhEPO (Drug)
结局指标
主要结局
Summary of Hemoglobin (Hgb) Concentration at Week 24
时间窗: Week 24
The original Hgb Criteria for Group 1- rhEPO naive participants with a stable baseline Hgb of 8.0-10.0 g/dL (8.0-10.0 g/dL USA site only) and for Group 2- rhEPO users with a stable baseline Hgb of 9.0-10.5 g/dL (9.0-10.5 g/dL USA site only); the Hgb target range was 9.0 to 10.5 g/dL (9.0-10.5 g/dL USA site only). The study amended Hgb Criteria for Group 1- rhEPO naive participants with a stable baseline Hgb of 8.0-11.0 g/dL and Group 2- rhEPO users with a stable baseline Hgb of 9.0-11.5 g/dL; Hgb target range - 10.0 to 11.5 g/dL. Data are presented for those participants following the original criteria ("Original") and those following the amended ("Amended") criteria. The primary objective was to characterize the ability of GSK1278863 to achieve mean Hgb response within the target range.
次要结局
- Number of Participants Reaching Pre-defined Hgb Stopping Criteria(Over a period of 24 Weeks)
- Percent Change From Baseline in Hepcidin Concentration at Week 24(Baseline and Week 24)
- Number of Participants With Hemoglobin (Hgb) in the Target Range at Week 24(Week 24)
- Maximum Observed Change From Baseline in Serum Erythropoietin (EPO)(Baseline to Week 24)
- Maximum Observed Percent Change From Baseline in Vascular Endothelial Growth Factor (VEGF)(Baseline and up to Week 24)
- Percentage of Time Within, Below, and Above Hemoglobin (Hgb) Target Range, Between Weeks 12 and 24(Weeks 12 to 24)
- Change From Baseline in Ferritin Concentration at Week 24(Baseline and Week 24)
- Change From Baseline in Transferrin Concentration at Week 24(Baseline and Week 24)
- Percent Change From Baseline in Transferrin Saturation at Week 24(Baseline and Week 24)
- Change From Baseline in Total Iron at Week 24(Baseline and Week 24)
- Change From Baseline in Total Iron Binding Capacity (TIBC) at Week 24(Baseline and Week 24)
- Change From Baseline in Reticulocyte Hemoglobin (CHr) at Week 24(Baseline and Week 24)
- Change From Baseline in Hematocrit at Week 24(Baseline and Week 24)
- Change From Baseline in Red Blood Cell Count at Week 24(Baseline and Week 24)
- Change From Baseline in Reticulocyte Cell Count at Week 24(Baseline and Week 24)
- Concentration of GSK1278863 and Relevant Metabolites as a Population Pharmacokinetic Endpoint(Day 1 (pre-dose), Week (Wk) 4 (6-12 hour, 7-13 hour, 8-14 hour, 9-15 hour post-dose), and Wk 20 (pre-dose, 1 hour, 2 hour, 3 hour post-dose))
- Mean Number of Dose Adjustments up to 24 Weeks(From Week 4 up to 24 Weeks)
- Number of Participants With Dose Adjustments up to 24 Weeks, as a Measure of Dose Adjustment Frequency(From week 4 up to 24 weeks)
- Timing of Dose Adjustments at Weeks 4, 8, 12, 16, and 20(From Week 4 up to Week 20)
- Mean Total Cumulative Dose of GSK1278863 up to 24 Weeks(Up to 24 Weeks)
- Mean Final Dose of GSK1278863 up to 24 Weeks(Up to 24 Weeks)
- Number of Hemoglobin (Hgb) Excursions(Up to 24 Weeks.)
- Number of Hemoglobin (Hgb) Cycles up to 24 Weeks(Up to 24 Weeks)
- Number of Dose Cycles up to 24 Weeks(Up to 24 weeks)
- Number of Participants With at Least One Hemoglobin (Hgb) Excursion up to 24 Weeks.(Up to 24 weeks)
- Number of Participants With at Least One Hemoglobin (Hgb) Cycle up to 24 Weeks(Up to 24 weeks)
- Number of Participants With at Least One Dose Cycle up to 24 Weeks(Up to 24 weeks)
- Number of Participants Receiving Additional Therapies of Blood Transfusions, Intravenous (IV) Iron or rhEPO at Any Time Post-Baseline(From Day 1 up to Week 28)
- Number of Weeks Dose Withheld Because Hemoglobin (Hgb) Exceeded the Upper Limit(From Week 4 up to Week 24)
研究者
研究点 (1)
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