A Prospective, Open Label, Post Marketing Surveillance Study Following Transfusion of INTERCEPT Platelet Components
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 2,291
- 试验地点
- 15
- 主要终点
- Proportion of patients requiring treatment-emergent assisted mechanical ventilation during the study observation period.
研究概览
简要总结
This study is a prospective, non-randomized sequential cohort, open label, multi-center, non-inferiority, Phase IV surveillance study following transfusion of INTERCEPT PCs. The patient population will be hematology-oncology patients, including those undergoing hematopoietic stem cell transplant (HSCT), expected to require one or more PC transfusions.
For each participating center, the study will start with a brief pilot run-in period with a group of at least 5 patients exposed only to conventional PCs. The purpose of this pilot run-in is to evaluate study logistics and data collection methods within each study center. Data from the pilot phase will be included in the data analysis for the treatment comparison.
After the pilot run-in period, the study will be conducted in two sequential patient cohorts: 1) the Control cohort during which study patients will receive only conventional PCs, and 2) the INTERCEPT cohort during which patients will receive only INTERCEPT PCs. Patient enrollment at each Center will be monitored to target similar numbers of patients into the Control and Test Cohorts within each center. Centers may enroll Control and Test patients in ratios that vary from 2:1 to 1:2 due to institutional requirements to move rapidly to full INTERCEPT implementation, or due to availability issues with either Test or Control components. Within each Center, patient enrollment will be stratified in four categories: (1) chemotherapy only; and by use of conditioning regimens for hematopoietic stem cell transplantation (HSCT) in (2) myeloablative conditioning, (3) non-myeloablative conditioning, and (4) reduced intensity using the Center for International Blood and Marrow Transplant Research (CIBMTR) criteria. Note time from last chemotherapy treatment to first study transfusion should be no more than 30 days. To ensure both Test and Control cohorts have a similar allocation ratio (±10% per category) among the conditioning regimen strata, enrollment caps will be set for the Test cohorts, hence no Test patients will be enrolled to a stratum once the cap for the given stratum is met. Eligible patients will be enrolled in open Test strata sequentially as long as there is sufficient Test PC inventory available. Enrollment may be delayed for the Test cohort if sufficient inventory of Test PCs is not available.
详细描述
The study will have a pilot run-in period and two sequential cohort groups for each center.
Pilot Run-in Period The pilot run-in period will be conducted in each center with a group of at least 5 patients exposed only to conventional PCs, who provide informed consent for data collection. The purpose of this pilot run-in is to evaluate study logistics and data collection methods within each study center. Data collection will not differ from that required in the two sequential patient cohorts. The data from the pilot phase will be included in the data analysis for the treatment comparisons.
Control and INTERCEPT Cohorts Following the run-in period, the study will be conducted in two sequential cohort periods. Informed consent for data collection without study specific treatment intervention, and under patient confidentiality, will be required for both cohorts prior to any study procedure.
During the Control cohort period, patients will have study data collected following transfusion with only conventional PCs for up to 21 days of transfusion support, as clinically indicated in a manner that is consistent with the local standard of care. During the INTERCEPT phase, patients will receive only INTERCEPT PCs under the same clinical treatment guideline. Patients will be transfused with only study PCs of the assigned treatment type (Conventional or INTERCEPT) in each cohort. Patients enrolled in the Conventional control cohort will be excluded from participating in the study in the INTERCEPT cohort.
Enrollment will be stratified by study center and type of primary disease therapy (chemotherapy only or HSCT with myeloablative, non-myeloablative, or reduced intensity conditioning).
研究设计
- 研究类型
- Observational
- 观察模型
- Other
- 时间视角
- Prospective
入排标准
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Patients with a hematology-oncology disorder expected to require or requiring a transfusion of one or more PCs (time from last chemotherapy treatment to first study transfusion should be 30 days or less).
- •Written signed informed consent (unless exemption of individual consent is granted by the center's IRB).
排除标准
- •Assisted ventilation (administered by intubation or tight fitting mask with PEEP or CPAP ≥ 5 cm H2O) within 30 days prior to the first study PC transfusion. In the event that PEEP or CPAP values are unavailable for prior assisted ventilation events administered by intubation or tight fitting mask, they will be interpreted as meeting the exclusion criterion. For the purposes of this study, elective intubation of pediatric patients for the short-term protection of the airway during medical or surgical procedures does not qualify as assisted ventilation, provided that there is no parenchymal pulmonary lesion 24 hours after extubation.
- •Documented allergy to psoralens
结局指标
主要结局
Proportion of patients requiring treatment-emergent assisted mechanical ventilation during the study observation period.
时间窗: Up to 28 days
For the purposes of this study, assisted mechanical ventilation defined as assisted ventilation started after the initiation of the first study PC and can be administered either by intubation or tight fitting mask with positive end-expiratory pressure (PEEP) or continuous positive airway pressure (CPAP or BiPAP) ≥ 5 cm H2O, if PEEP or CPAP information is available. Assisted mechanical ventilation is selected as the primary outcome as it provides an objective measure of severe, clinically significant pulmonary injury. Patients will be assessed for the initiation of assisted ventilation within 7 days after each study PC transfusion.
次要结局
- AEs occurring within 24 hours after the initiation of a study PC transfusion(Up to 22 days)
- Mortality within 7 days after the last study PC transfusion, or until hospital discharge/discontinuation of outpatient platelet transfusion support, whichever is sooner (all deaths and deaths due to ARDS).(Up to 28 days)
- Time from first study PC transfusion to onset of treatment-emergent assisted mechanical ventilation.(Up to 28 days)
- TR occurring within 24 hours after the initiation of a study PC transfusion.(Up to 22 days)
- CSPAEs occurring within 7 days after each study PC transfusion(Up to 28 days)
- SAEs occurring within 7 days after each study PC transfusion(Up to 28 days)
- ARDS occurring within 7 days after each study PC transfusion(Up to 28 days)