A Multicenter Platform Trial of Putative Therapeutics for the Treatment of COVID-19 in Hospitalized Adults
试验速览
- 阶段
- 2 期
- 状态
- 已完成
- 入组人数
- 201
- 试验地点
- 39
- 主要终点
- Number of Participants Meeting Criteria for Each of the 8 Ordinal Scale Categories on Day 8
研究概览
简要总结
This is a platform trial to conduct a series of randomized, double-blind, placebo-controlled trials using common assessments and endpoints in hospitalized adults diagnosed with COVID-19. BET is a proof-of-concept study with the intent of identifying promising treatments to enter a more definitive study. The study will be conducted in up to 70 domestic sites and 5 international sites. The study will compare different investigational therapeutic agents to a common control arm and determine which have relatively large effects. In order to maintain the double blind, each intervention will have a matched placebo. However, the control arm will be shared between interventions and may include participants receiving the matched placebo for a different intervention.
The goal is not to determine clear statistical significance for an intervention, but rather to determine which products have clinical data suggestive of efficacy and should be moved quickly into larger studies. Estimates produced from BET will provide an improved basis for designing the larger trial, in terms of sample size and endpoint selection. Products with little indication of efficacy will be dropped on the basis of interim evaluations. In addition, some interventions may be discontinued on the basis of interim futility or efficacy analyses.
One or more interventions may be started at any time. The number of interventions enrolling are programmatic decisions and will be based on the number of sites and the pace of enrollment. At the time of enrollment, subjects will be randomized to receive any one of the active arms they are eligible for or placebo. Approximately 200 (100 treatment and 100 shared placebo) subjects will be assigned to each arm entering the platform and a given site will generally have no more than 3 interventions at once.
The BET-C stage will evaluate the combination of remdesivir with danicopan vs remdesivir with a placebo. Subjects will be assessed daily while hospitalized. Once subjects are discharged from the hospital, they will have a study visit at Days 8, 15, 22, 29, and 60 as an outpatient. The Day 8, Day 22 and Day 60 visits do not have laboratory tests or collection of samples and may be conducted by phone. All subjects will undergo a series of efficacy and safety laboratory assessments. Safety laboratory tests and blood (serum, plasma and RNA) research samples on Day 1 (prior to study product administration) and Days 3, 5, 8, and 11 while hospitalized. Blood research samples plus safety laboratory tests will be collected on Day 15 and 29 if the subject attends an in-person visit or is still hospitalized. However, if infection control considerations or other restrictions prevent the subject from returning to the clinic, Day 15 and 29 visits may be conducted by phone and only clinical data will be obtained.
The primary objective is to evaluate the clinical efficacy of danicopan relative to the control arm in adults hospitalized with COVID-19 according to clinical status (8-point ordinal scale) at Day 8.
详细描述
This is a platform trial to conduct a series of randomized, double-blind, placebo-controlled trials using common assessments and endpoints in hospitalized adults diagnosed with COVID-19. BET is a proof-of-concept study with the intent of identifying promising treatments to enter a more definitive study. The study will be conducted in up to 70 domestic sites and 5 international sites. The study will compare different investigational therapeutic agents to a common control arm and determine which have relatively large effects. In order to maintain the double blind, each intervention will have a matched placebo. However, the control arm will be shared between interventions and may include participants receiving the matched placebo for a different intervention.
The goal is not to determine clear statistical significance for an intervention, but rather to determine which products have clinical data suggestive of efficacy and should be moved quickly into larger studies. Estimates produced from BET will provide an improved basis for designing the larger trial, in terms of sample size and endpoint selection. Products with little indication of efficacy will be dropped on the basis of interim evaluations. In addition, some interventions may be discontinued on the basis of interim futility or efficacy analyses.
One or more interventions may be started at any time. The number of interventions enrolling are programmatic decisions and will be based on the number of sites and the pace of enrollment. At the time of enrollment, subjects will be randomized to receive any one of the active arms they are eligible for or placebo. Approximately 200 (100 treatment and 100 shared placebo) subjects will be assigned to each arm entering the platform and a given site will generally have no more than 3 interventions at once.
The BET-C stage will evaluate the combination of remdesivir with danicopan vs remdesivir with a placebo. Subjects will be assessed daily while hospitalized. Once subjects are discharged from the hospital, they will have a study visit at Days 8, 15, 22, 29, and 60 as an outpatient. The Day 8, Day 22 and Day 60 visits do not have laboratory tests or collection of samples and may be conducted by phone. All subjects will undergo a series of efficacy and safety laboratory assessments. Safety laboratory tests and blood (serum, plasma and RNA) research samples on Day 1 (prior to study product administration) and Days 3, 5, 8, and 11 while hospitalized. Blood research samples plus safety laboratory tests will be collected on Day 15 and 29 if the subject attends an in-person visit or is still hospitalized. However, if infection control considerations or other restrictions prevent the subject from returning to the clinic, Day 15 and 29 visits may be conducted by phone and only clinical data will be obtained.
The primary objective is to evaluate the clinical efficacy of danicopan relative to the control arm in adults hospitalized with COVID-19 according to clinical status (8-point ordinal scale) at Day 8. The key secondary objectives are 1) to evaluate the clinical efficacy of danicopan as assessed by time to recovery compared to the control arm 2) to evaluate the proportion of subjects alive and without respiratory failure through Day 29.
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
- Double (Participant, Investigator)
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
- •Admitted to a hospital with symptoms suggestive of COVID-19 and requires ongoing medical care.
- •Subject (or legally authorized representative) provides informed consent prior to initiation of any study procedures.
- •Subject (or legally authorized representative) understands and agrees to comply with planned study procedures.
- •Male or non-pregnant female adult >/=18 years of age at time of enrollment.
- •Illness of any duration and has laboratory-confirmed SARS-CoV-2 infection as determined by polymerase chain reaction (PCR) or other commercial or public health assay (e.g., Nucleic Acid Amplification Test [NAAT], antigen test) in any respiratory specimen or saliva </=14 days prior to randomization.
- •Illness of any duration, and requiring, just prior to randomization, supplemental oxygen (any flow), mechanical ventilation or extracorporeal membrane oxygenation (ECMO) (ordinal scale category 5, 6, or 7).*
- •*If written documentation of the positive test result is not available at the time of enrollment (e.g., report came from other institution), the test should be repeated and the subject may be enrolled if positive.
- •Women of childbearing potential and men must agree to either abstinence or use at least one acceptable method of contraception** from the time of screening through 30 days after the last dose of danicopan for women and 90 days after the last dose for men.
- •**Acceptable methods include barrier contraceptives (condoms or diaphragm) with spermicide, intrauterine devices (IUDs), hormonal contraceptives, oral contraceptive pills, and surgical sterilization.
- •Agrees not to participate in another blinded clinical trial (both pharmacologic and other types of interventions) for the treatment of COVID-19 through Day 29
排除标准
- •aspartate aminotransferase (AST) or alanine aminotransferase (ALT) > 5 times the upper limit of normal.
- •Subjects with a low glomerular filtration rate (eGFR), specifically:
- •Subjects with an eGFR 15-30 mL/min are excluded unless in the opinion of the principal investigator (PI), the potential benefit of participation outweighs the potential risk of study participation.
- •All subjects with an eGFR <15 mL/min (including hemodialysis and hemofiltration) are excluded.
- •Pregnancy or breast feeding
- •Anticipated discharge from the hospital or transfer to another hospital which is not a study site within 72 hours of enrollment.
- •Allergy to any study medication.
- •Received five or more doses of remdesivir prior to screening.
- •Treatment with a complement inhibitor in the prior 8 weeks.*
- •Has active uncontrolled opportunistic infection, or uncontrolled cirrhosis.*
- •History of infection with N. meningitidis.*
- •Known history of hypersensitivity to danicopan or its excipients.*
- •Has a medical condition that could, in the judgment of the investigator, limit the interpretation and generalizability of trial results.
- •Positive test for influenza virus during the current illness (influenza testing is not required by protocol).
- •History of liver cirrhosis.*
- •Previous participation in an ACTIV-5/BET trial.
- •Refuses to refrain from breastfeeding from the time of screening through 30 days after the last dose of danicopan.*
- •Refuses to receive prophylactic antibiotics against meningococcal infections if the subject has not been vaccinated in the 3 years prior to Study Day 1.
研究组 & 干预措施
Remdesivir + Danicopan (< 70 years)
For participants < 70 years, 200 mg intravenous (IV) loading dose of Remdesivir on Day 1, followed by a 100 mg once-daily IV maintenance dose up to a 10-day total course while hospitalized, and 400 mg oral (PO) (or via nasogastric [NG] or gastrostomy [G] tube) loading dose danicopan, followed by 250 mg 4 times daily (QID) for the duration of the hospitalization up to a 14-day total course. End of danicopan treatment tapered as 250 mg 3 times daily (TID) for 2 days, followed by 250 mg twice daily (BID) for 2 days, until complete cessation (total treatment duration up to 18 days or 4 days after discharge). Total danicopan participants, N=100.
干预措施: Danicopan (Drug)
Remdesivir + Danicopan (< 70 years)
For participants < 70 years, 200 mg intravenous (IV) loading dose of Remdesivir on Day 1, followed by a 100 mg once-daily IV maintenance dose up to a 10-day total course while hospitalized, and 400 mg oral (PO) (or via nasogastric [NG] or gastrostomy [G] tube) loading dose danicopan, followed by 250 mg 4 times daily (QID) for the duration of the hospitalization up to a 14-day total course. End of danicopan treatment tapered as 250 mg 3 times daily (TID) for 2 days, followed by 250 mg twice daily (BID) for 2 days, until complete cessation (total treatment duration up to 18 days or 4 days after discharge). Total danicopan participants, N=100.
干预措施: Remdesivir (Drug)
Remdesivir + Danicopan (>/= 70 years)
For participants >/= 70 years, 200 mg intravenous (IV) loading dose of Remdesivir on Day 1, followed by a 100 mg once-daily IV maintenance dose up to a 10-day total course while hospitalized, and 300 mg oral (PO) (or via nasogastric [NG] or gastrostomy [G] tube) loading dose danicopan, followed by 200 mg 4 times daily (QID) for the duration of the hospitalization up to a 14-day total course. End of danicopan treatment tapered as 200 mg 3 times daily (TID) for 2 days, followed by 200 mg twice daily (BID) for 2 days, until complete cessation (total treatment duration up to 18 days or 4 days after discharge). Total danicopan participants, N=100.
干预措施: Danicopan (Drug)
Remdesivir + Danicopan (>/= 70 years)
For participants >/= 70 years, 200 mg intravenous (IV) loading dose of Remdesivir on Day 1, followed by a 100 mg once-daily IV maintenance dose up to a 10-day total course while hospitalized, and 300 mg oral (PO) (or via nasogastric [NG] or gastrostomy [G] tube) loading dose danicopan, followed by 200 mg 4 times daily (QID) for the duration of the hospitalization up to a 14-day total course. End of danicopan treatment tapered as 200 mg 3 times daily (TID) for 2 days, followed by 200 mg twice daily (BID) for 2 days, until complete cessation (total treatment duration up to 18 days or 4 days after discharge). Total danicopan participants, N=100.
干预措施: Remdesivir (Drug)
Remdesivir + Placebo (< 70 years)
For participants < 70 years, 200 mg intravenous (IV) loading dose of Remdesivir on Day 1, followed by a 100 mg once-daily IV maintenance dose up to a 10-day total course while hospitalized, and 400 mg oral (PO) (or via nasogastric [NG] or gastrostomy [G] tube) loading dose danicopan matching placebo, followed by 250 mg 4 times daily (QID) for the duration of the hospitalization up to a 14-day total course. End of danicopan matching placebo treatment tapered as 250 mg 3 times daily (TID) for 2 days, followed by 250 mg twice daily (BID) for 2 days, until complete cessation (total treatment duration up to 18 days or 4 days after discharge). Total danicopan matching placebo participants, N=100.
干预措施: Placebo (Other)
Remdesivir + Placebo (< 70 years)
For participants < 70 years, 200 mg intravenous (IV) loading dose of Remdesivir on Day 1, followed by a 100 mg once-daily IV maintenance dose up to a 10-day total course while hospitalized, and 400 mg oral (PO) (or via nasogastric [NG] or gastrostomy [G] tube) loading dose danicopan matching placebo, followed by 250 mg 4 times daily (QID) for the duration of the hospitalization up to a 14-day total course. End of danicopan matching placebo treatment tapered as 250 mg 3 times daily (TID) for 2 days, followed by 250 mg twice daily (BID) for 2 days, until complete cessation (total treatment duration up to 18 days or 4 days after discharge). Total danicopan matching placebo participants, N=100.
干预措施: Remdesivir (Drug)
Remdesivir + Placebo (>/= 70 years)
For participants >/= 70 years, 200 mg intravenous (IV) loading dose of Remdesivir on Day 1, followed by a 100 mg once-daily IV maintenance dose up to a 10-day total course while hospitalized and 300 mg oral (PO) (or via nasogastric [NG] or gastrostomy [G] tube) of loading dose danicopan matching placebo followed by 200 mg 4 times daily (QID) for the duration of the hospitalization up to a 14-day total course. End of danicopan matching placebo treatment tapered as 200 mg 3 times daily (TID) for 2 days, followed by 200 mg twice daily (BID) for 2 days, until complete cessation (total treatment duration up to 18 days or 4 days after discharge). Total danicopan matching placebo participants, N=100.
干预措施: Placebo (Other)
Remdesivir + Placebo (>/= 70 years)
For participants >/= 70 years, 200 mg intravenous (IV) loading dose of Remdesivir on Day 1, followed by a 100 mg once-daily IV maintenance dose up to a 10-day total course while hospitalized and 300 mg oral (PO) (or via nasogastric [NG] or gastrostomy [G] tube) of loading dose danicopan matching placebo followed by 200 mg 4 times daily (QID) for the duration of the hospitalization up to a 14-day total course. End of danicopan matching placebo treatment tapered as 200 mg 3 times daily (TID) for 2 days, followed by 200 mg twice daily (BID) for 2 days, until complete cessation (total treatment duration up to 18 days or 4 days after discharge). Total danicopan matching placebo participants, N=100.
干预措施: Remdesivir (Drug)
结局指标
主要结局
Number of Participants Meeting Criteria for Each of the 8 Ordinal Scale Categories on Day 8
时间窗: Day 8
The ordinal scale categories are defined as: 1) Not hospitalized, no new or increased limitations on activities; 2) Not hospitalized, but new or increased limitation on activities and/or requiring new or increased home oxygen, CPAP, or BiPAP; 3) Hospitalized, not requiring new or increased supplemental oxygen - no longer requires ongoing medical care; 4) Hospitalized, not requiring new or increased supplemental oxygen - requiring ongoing medical care (COVID-19 related or otherwise); 5) Hospitalized, requiring new or increased supplemental oxygen; 6) Hospitalized, requiring new or increased non-invasive ventilation or highflow oxygen devices; 7) Hospitalized, on invasive mechanical ventilation or extracorporeal membrane oxygenation (ECMO); 8) Death
次要结局
- Proportion of Participants Not Meeting Criteria for One of Two Ordinal Scale Categories Through Day 29(Day 1 through Day 29)
- Time to Sustained Recovery(Day 1 through Day 60)
- Change From Baseline in International Normalized Ratio (INR)(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Total Bilirubin(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Ferritin(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in D-dimer(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Basophils(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Alanine Aminotransferase (ALT)(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Creatinine(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Lymphocytes(Days 1, 3, 5, 8, 11, 15, 29)
- Number of Participants Reporting Serious Adverse Events (SAEs)(Day 1 through Day 60)
- Number of Participants Meeting Criteria for Each of the 8 Ordinal Scale Categories on Day 15(Day 15)
- Change From Baseline in C-Reactive Protein (CRP)(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Hemoglobin(Days 1, 3, 5, 8, 11, 15, 29)
- Days of Invasive Mechanical Ventilation/Extracorporeal Membrane Oxygenation (ECMO) Use(Day 1 through Day 29)
- Number of Participants Meeting Criteria for Each of the 8 Ordinal Scale Categories on Day 29(Day 29)
- Change From Baseline in Fibrinogen(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Aspartate Transaminase (AST)(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Platelets Count(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in White Blood Cell (WBC) Count(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Eosinophils(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Neutrophils(Days 1, 3, 5, 8, 11, 15, 29)
- Change From Baseline in Monocytes(Days 1, 3, 5, 8, 11, 15, 29)
- Number of Participants Reporting Grade 3 ,4, or 5 Clinical and/or Laboratory Adverse Events (AEs)(Day 1 through Day 60)
- Days of New Mechanical Ventilation or Extracorporeal Membrane Oxygenation (ECMO) Use(Day 1 through Day 29)
- Time to Death(Day 1 through Day 29)
- Duration of Hospitalization(Day 1 through Day 29)
- Duration of Intensive Care Unit (ICU) Stay(Day 1 through Day 29)
- Mean Change in Ordinal Scale(Days 1, 3, 5, 8, 11, 15, 22, 29)
- Proportion of Participants Not Meeting Criteria for One of Two Ordinal Scale Categories at Day 29(Day 29)
- 28-day Participant Mortality(Day 1 through Day 29)
- Time to an Improvement of One Category From Baseline Using an Ordinal Scale(Day 1 through Day 60)
- Number of Participants Who Discontinued or Temporarily Suspended Study Treatment(Day 1 through Day 29)
- Days of Non-invasive Ventilation/High Flow Oxygen Use(Day 1 through Day 29)
- Days of Supplemental Oxygen Use(Day 1 through Day 29)
- Days of New Non-invasive Ventilation/High Flow Oxygen Use(Day 1 through Day 29)
- Number of Participants With New Invasive Mechanical Ventilation / Extracorporeal Membrane Oxygenation (ECMO) Use(Day 1 through Day 29)
- Number of Participants With New Non-invasive Ventilation/High Flow Oxygen Use(Day 1 through Day 29)
- 14-day Participant Mortality(Day 1 through Day 15)
- 59-day Participant Mortality(Day 1 through Day 60)
- Time to an Improvement of Two Categories From Baseline Using an Ordinal Scale(Day 1 through Day 60)