To Evaluate SCTA01 Treatment of High-risk Outpatients With COVID-19 (MAOP3)
An Adaptive, Randomized, Double-blinded, Placebo-controlled Phase II/III Trial of Monoclonal Antibody SCTA01 Against SARS-CoV-2 in High-Risk Outpatients With COVID-19 (MAOP3 Trial)
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Anticipated)
Enrollment
Phase
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Contact
Study Contact
- Name: Qiang Guo, PhD
- Phone Number: 86-10-5862 8288
- Email: qiang_guo@sinocelltech.com
Study Contact Backup
- Name: Zhanghua Lan, PhD
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or non-pregnant female adults, ≥18 years old of age at the time of randomization;
- Participants should have at least one of COVID-19 risk factor;
- Participants should have at least 2 COVID-19 related symptoms;
- Has symptoms consistent with COVID-19 as determined by the investigator with onset ≤7 days before randomization;
- First positive SARS-CoV-2 viral infection tested (PCR or antigen-based diagnostic tests) in samples collected ≤3 days prior to start of the infusion;
- Participants are currently not hospitalized;
- Participant (or legal authorized representative) has signed the ICF before any clinical activity related to SCTA01 trial;
- Women with childbearing potential must agree to use effective contraceptive methods during the study period;
- Patient should not participate in other clinical studies related to COVID-19 or SARS-CoV-2 infection.
Exclusion Criteria:
- Have known allergies to any of the components used in the formulation of the SCTA01/placebo;
- Participants with a history of severe anaphylaxis, such as severe anaphylactic reaction, urticaria, and angioedema;
- Have SpO2 ≤ 93% on room air at sea level or PaO2/FiO2 < 300, respiratory rate ≥30 per minute, heart rate ≥125 per minute (FDA);
- Require mechanical ventilation or anticipated impending need for mechanical ventilation;
- Suspected or proven serious bacterial, fungal, viral, or other infection (besides COVID-19) that in the opinion of the investigator could constitute a risk when taking part in this study;
- Have any serious concomitant systemic disease, condition or disorder that, in the opinion of the investigator, should preclude participation in this study;
- Have any co-morbidity requiring surgery within <29 days, or that is considered life threatening within 29 days;
- Have a history of previous SARS-CoV-2 infection;
- Received convalescent plasma, COVID-19 vaccine, or anti-SARS-CoV-2 spike(S) protein targeted therapy;
- Have participated in a clinical study involving an investigational intervention within past 30 days or 5-half lives of investigational product, whichever is longer;
- Have received an investigational intervention for SARS-CoV-2 prophylaxis within 30 days before dosing;
- Pregnant or lactating women;
- Anticipated hospitalization or transfer to another medical site which is not a study site within 72 hours;
- Participants unable to follow the protocol during the study;
- Participants deemed inappropriate for enrollment by the investigator due to other factors.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: SCTA01 low dose +SOC
SCTA01, a recombinant anti-SARS-CoV-2 spike protein monoclonal antibody
|
Diluted by 0.9% normal saline,IV
|
|
Experimental: SCTA01 middle dose+SOC
SCTA01, a recombinant anti-SARS-CoV-2 spike protein monoclonal antibody
|
Diluted by 0.9% normal saline,IV
|
|
Experimental: SCTA01 High dose +SOC
SCTA01, a recombinant anti-SARS-CoV-2 spike protein monoclonal antibody
|
Diluted by 0.9% normal saline,IV
|
|
Placebo Comparator: Placebo+SOC
SCTA01, a recombinant anti-SARS-CoV-2 spike protein monoclonal antibody
|
IV
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Proportion of participants who experience COVID-19 related hospitalization (defined as at least 24 hours of acute care) or death (all cause) up to Day 29.
Time Frame: Day 29
|
Day 29
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Time to sustained resolution of all COVID-19-related symptoms
Time Frame: Day 29
|
Day 29
|
|
- Change in symptom score (total of ratings)
Time Frame: Day 3, 5, 7, 11, 15, 22, and 29
|
Day 3, 5, 7, 11, 15, 22, and 29
|
|
Time to symptom improvement;
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants admitted to hospital due to COVID-19
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants with ≥1 COVID-19 related hospitalization
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants with ≥2 COVID-19 related hospitalizations
Time Frame: Day 29
|
Day 29
|
|
Total number of COVID-19 related hospitalization
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants who experience COVID-19 related emergency room (ER) visit
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants with ≥1 ER visit due to COVID-19
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants with ≥2 ER visits due to COVID-19 through Day 29
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants admitted to an intensive care unit (ICU) due to COVID-19
Time Frame: Day 29
|
Day 29
|
|
Proportion of patients with all-cause mortality
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants with O2 requirement
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants with ventilation requirements
Time Frame: Day 29
|
Day 29
|
|
Proportion of participants that achieve SARS-CoV-2 clearance in nasopharyngeal (NP) or oropharyngeal (OP) samples
Time Frame: Day 8, Day 15
|
Day 8, Day 15
|
|
Change from baseline (Day 1) to Day 8 or Day 15 in SARS-CoV-2 viral shedding as measured by quantitative reverse transcription polymerase chain reaction (RT-qPCR) in NP or OP samples for SARS-CoV-2 test.
Time Frame: Day 8, Day 15
|
Day 8, Day 15
|
|
Cumulative incidence of serious adverse events (SAEs)
Time Frame: Day 120
|
Day 120
|
|
Cumulative incidence of Grade 1, 2, 3 and 4 adverse events (AEs)
Time Frame: Day 120
|
Day 120
|
|
Discontinuation or temporary suspension of infusions (for any reason)
Time Frame: Day 120
|
Day 120
|
|
Number and proportion of patients with ADE
Time Frame: Day 120
|
Day 120
|
|
Mean concentration-time profiles of SCTA01
Time Frame: Day 29
|
Day 29
|
|
Incidence and titers (if applicable) of anti-drug antibodies (ADA) to SCTA01
Time Frame: Day 1, Day 8, Day 29, and Day 120)
|
Day 1, Day 8, Day 29, and Day 120)
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Anticipated)
Study Start
Primary Completion (Anticipated)
Primary Completion
Study Completion (Anticipated)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- SCTA01-A301
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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