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Remdesivir for Severely Ill Inpatients With COVID-19 (An ACTIV-3b/TESICO Treatment Trial)

A Multicenter, Adaptive, Randomized, Blinded Controlled Trial of the Safety and Efficacy of Investigational Therapeutics for Hospitalized Patients With Acute Respiratory Distress Syndrome Associated With COVID-19 (Trial H2: Remdesivir)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06729593
Enrollment
87
Registered
2024-12-11
Start date
2021-04-20
Completion date
2022-11-20
Last updated
2025-10-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Covid19

Keywords

COVID-19, COVID 19, Coronaviridae Infections, Coronavirus Infections, RNA Virus Infections, Virus Diseases, Nidovirales Infections, SARS-CoV-2, SARS Coronavirus, ACTIV-3, ACTIV3

Brief summary

This study looks at the safety and effectiveness of Remdesivir in treating COVID-19 in people who have been hospitalized with the infection and who have acute respiratory failure. Participants in the study will be treated with Remdesivir plus current standard of care (SOC), or with placebo plus current SOC.

Detailed description

This is a treatment trial of the ACTIV-3b/TESICO master protocol (NCT04843761) to evaluate the safety and efficacy of Remdesivir at improving outcomes for patients with acute respiratory failure related to COVID-19. This protocol will be adaptive, randomized, blinded and initially placebo-controlled. Participants will receive standard of care (SOC) treatment as part of the protocol. This protocol will be conducted in up to several hundred clinical sites. Participating sites are affiliated with networks funded by the United States National Institutes of Health (NIH) and the US Department of Veterans Affairs. The protocol is for a Phase 3 study. Participants will be followed for 90 days following randomization for the primary endpoint and most secondary endpoints. Selected secondary endpoints will be measured at 180 days. This study is planned to provide 80% power to detect an odds ratio of 1.5 for improvement in recovery status at Day 90 for Remdesivir versus placebo with use of the ordinal outcome. The planned sample size is 320 participants. Sample size may be re-estimated before enrollment is complete based on an assessment of whether the pooled proportions of the outcome are still consistent with adequate power for the hypothesized difference measured by the odds ratio. Randomization will be stratified by study site pharmacy and by receipt of invasive mechanical ventilation, or ECMO (extracorporeal membrane oxygenation) at enrollment. Other agent-specific stratification factors may be considered. An independent Data and Safety Monitoring Board (DSMB) will review interim safety and efficacy data at least monthly. Pre-specified guidelines will be established to recommend early stopping of the trial for evidence of harm or substantial efficacy. The DSMB may recommend discontinuation of an investigational agent if the risks are judged to outweigh the benefits.

Interventions

BIOLOGICALRemdesivir

Administered by IV infusion, daily for 10 days. Initial loading dose is 200 mg with all subsequent doses 100 mg.

Commercially available 0.9% sodium chloride solution. Administered by IV infusion daily for 10 days.

DRUGCorticosteroid

In line with NIH treatment guidelines, corticosteroids such as dexamethasone, prednisone, methylprednisolone or hydrocortisone may be administered as SOC.

Sponsors

International Network for Strategic Initiatives in Global HIV Trials (INSIGHT)
CollaboratorNETWORK
University of Copenhagen
CollaboratorOTHER
Medical Research Council
CollaboratorOTHER_GOV
Kirby Institute
CollaboratorOTHER_GOV
Washington D.C. Veterans Affairs Medical Center
CollaboratorFED
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
CollaboratorNETWORK
US Department of Veterans Affairs
CollaboratorFED
Prevention and Early Treatment of Acute Lung Injury (PETAL) Network
CollaboratorUNKNOWN
Gilead Sciences
CollaboratorINDUSTRY
National Institute of Allergy and Infectious Diseases (NIAID)
Lead SponsorNIH

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

Refer to the master protocol (NCT04843761)

Exclusion criteria

Refer to the master protocol (NCT04843761) Additional

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90Status on Day 90The primary outcome was a 6-category ordinal outcome defining the participant's status at Day 90: (1) at home (defined as the type of residence before hospitalization) and off oxygen (recovered) for at least 77 days, (2) at home and off oxygen for 49-76 days, (3) at home and off oxygen for 1-48 days, (4) not hospitalized but either on supplemental oxygen or not at home, (5) hospitalized or in hospice care, or (6) dead.

Secondary

MeasureTime frameDescription
Number of Participants Who Died Through Day 90Through Day 90
Number of Participants With a Safety Outcome Through Day 5Through Day 5Composite safety outcome of a serious adverse event, Grade 3/4 adverse event, organ failure/serious infection, or death through Day 5
Number of Participants With a Safety Outcome Through Day 28Through Day 28Composite safety outcome of a serious adverse event, Grade 3/4 adverse event, organ failure/serious infection, or death through Day 28
Number of Participants Who Died Through Day 180Through Day 180

Countries

United States

Participant flow

Recruitment details

This substudy presents analysis for Remdesivir vs Remdesivir Placebo. Per protocol, this comparison was conducted among the pooled cohort of participants who were randomized to receive active Remdesivir or Remdesvir Placebo within randomization strata 1 and 3 of the master protocol.

Participants by arm

ArmCount
Remdesivir + SOC
Arm includes all participants who received Remdesivir and were randomized under strata 1 and 3 from the master protocol (NCT04843761). Remdesivir: Administered by IV infusion, daily for 10 days. Initial loading dose is 200 mg with all subsequent doses 100 mg. Corticosteroid: In line with NIH treatment guidelines, corticosteroids such as dexamethasone, prednisone, methylprednisolone or hydrocortisone may be administered as SOC.
44
Placebo + SOC
Arm includes all participants who received Remdesivir Placebo and were randomized under strata 1 and 3 from the master protocol (NCT04843761). Remdesivir Placebo: Commercially available 0.9% sodium chloride solution. Administered by IV infusion daily for 10 days. Corticosteroid: In line with NIH treatment guidelines, corticosteroids such as dexamethasone, prednisone, methylprednisolone or hydrocortisone may be administered as SOC.
43
Total87

Baseline characteristics

CharacteristicRemdesivir + SOCPlacebo + SOCTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
15 Participants12 Participants27 Participants
Age, Categorical
Between 18 and 65 years
29 Participants31 Participants60 Participants
Age, Continuous54.6 years
STANDARD_DEVIATION 14.3
55.9 years
STANDARD_DEVIATION 12.6
55.3 years
STANDARD_DEVIATION 13.4
Ethnicity (NIH/OMB)
Hispanic or Latino
14 Participants16 Participants30 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
30 Participants27 Participants57 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race/Ethnicity, Customized
Race
American Indian or Alaskan Native
1 Participants1 Participants2 Participants
Race/Ethnicity, Customized
Race
Asian
3 Participants0 Participants3 Participants
Race/Ethnicity, Customized
Race
Black or African American
6 Participants4 Participants10 Participants
Race/Ethnicity, Customized
Race
More than one race
0 Participants0 Participants0 Participants
Race/Ethnicity, Customized
Race
Native Hawaiian or Pacific Islander
0 Participants2 Participants2 Participants
Race/Ethnicity, Customized
Race
Only ethnicity (race unknown)
12 Participants10 Participants22 Participants
Race/Ethnicity, Customized
Race
Other
3 Participants2 Participants5 Participants
Race/Ethnicity, Customized
Race
White
19 Participants24 Participants43 Participants
Sex: Female, Male
Female
14 Participants15 Participants29 Participants
Sex: Female, Male
Male
30 Participants28 Participants58 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
19 / 4421 / 43
other
Total, other adverse events
27 / 4431 / 43
serious
Total, serious adverse events
9 / 442 / 43

Outcome results

Primary

Number of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90

The primary outcome was a 6-category ordinal outcome defining the participant's status at Day 90: (1) at home (defined as the type of residence before hospitalization) and off oxygen (recovered) for at least 77 days, (2) at home and off oxygen for 49-76 days, (3) at home and off oxygen for 1-48 days, (4) not hospitalized but either on supplemental oxygen or not at home, (5) hospitalized or in hospice care, or (6) dead.

Time frame: Status on Day 90

Population: 1 participant in the remdesivir arm did not have the day 90 status available to compute the primary endpoint. This participant was excluded from the analysis.

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Remdesivir + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 1 = at home and off oxygen (recovered) for at least 77 days5 Participants
Remdesivir + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 2 = at home and off oxygen for 49-76 days7 Participants
Remdesivir + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 3 = at home and off oxygen for 1-48 days4 Participants
Remdesivir + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 4 = not hospitalized but either on supplemental oxygen or not at home7 Participants
Remdesivir + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 5 = hospitalized or in hospice care3 Participants
Remdesivir + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 6 = died17 Participants
Placebo + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 5 = hospitalized or in hospice care1 Participants
Placebo + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 1 = at home and off oxygen (recovered) for at least 77 days8 Participants
Placebo + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 4 = not hospitalized but either on supplemental oxygen or not at home3 Participants
Placebo + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 2 = at home and off oxygen for 49-76 days6 Participants
Placebo + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 6 = died20 Participants
Placebo + SOCNumber of Participants With a 6-category Primary Ordinal Outcome (Recovery) at Day 90category 3 = at home and off oxygen for 1-48 days5 Participants
p-value: 0.9695% CI: [0.45, 2.11]Proportional odds model
Secondary

Number of Participants Who Died Through Day 180

Time frame: Through Day 180

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Remdesivir + SOCNumber of Participants Who Died Through Day 18019 Participants
Placebo + SOCNumber of Participants Who Died Through Day 18021 Participants
p-value: 0.595% CI: [0.43, 1.5]Cox proportional hazards model
Secondary

Number of Participants Who Died Through Day 90

Time frame: Through Day 90

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Remdesivir + SOCNumber of Participants Who Died Through Day 9017 Participants
Placebo + SOCNumber of Participants Who Died Through Day 9020 Participants
p-value: 0.3795% CI: [0.39, 1.42]Cox proportional hazards model
Secondary

Number of Participants With a Safety Outcome Through Day 28

Composite safety outcome of a serious adverse event, Grade 3/4 adverse event, organ failure/serious infection, or death through Day 28

Time frame: Through Day 28

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Remdesivir + SOCNumber of Participants With a Safety Outcome Through Day 2836 Participants
Placebo + SOCNumber of Participants With a Safety Outcome Through Day 2834 Participants
p-value: 0.8895% CI: [0.64, 1.67]Cox proportional hazards model
Secondary

Number of Participants With a Safety Outcome Through Day 5

Composite safety outcome of a serious adverse event, Grade 3/4 adverse event, organ failure/serious infection, or death through Day 5

Time frame: Through Day 5

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Remdesivir + SOCNumber of Participants With a Safety Outcome Through Day 525 Participants
Placebo + SOCNumber of Participants With a Safety Outcome Through Day 525 Participants
p-value: 0.895% CI: [0.37, 2.14]Regression, Logistic

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026