Study identifier:D8850C00002
ClinicalTrials.gov identifier:NCT04625725
EudraCT identifier:2020-004356-16
CTIS identifier:N/A
A Phase III Randomized, Double-blind, Placebo-controlled, Multi-center Study in Adults to Determine the Safety and Efficacy of AZD7442, a Combination Product of Two Monoclonal Antibodies (AZD8895 and AZD1061), for Pre-exposure Prophylaxis of COVID-19.
COVID-19
Phase 3
No
AZD7442, Placebo
All
5197
Interventional
18 Years - 120 Years
Allocation: Randomized
Endpoint Classification: -
Intervention Model: Parallel Assignment
Masking: -
Primary Purpose: Prevention
Verified 01 Mar 2024 by AstraZeneca
AstraZeneca
IQVIA
No locations available
Arms | Assigned Interventions |
---|---|
Experimental: AZD7442 Approximately 5150 participants will be randomized in a 2:1 ratio • Arm 1 (n=approximately 3433) will receive a single dose (× 2IM injections) of 300 mg of AZD7442 | Drug: AZD7442 -Single dose (× 2IM injections) of 300 mg of AZD7442 on parent study Day 1. -Single dose (× 2IM injections) of 300 mg of AZD7442 on sub-study Day 1. -Single dose (× 2IM injections) of 300 mg of AZD7442 on sub-study Day 183. -Single dose (x 2IM injections) of 600mg of AZD7442 on sub-study Day 183 and Day 366 Other Name: Combination of 2mAbs(AZD8895 and AZD1061) |
Placebo Comparator: Placebo Approximately 5150 participants will be randomized in a 2:1 ratio • Arm 2 (n=approximately 1717) will receive saline placebo | Drug: Placebo Single dose (× 2IM injections) of saline placebo on parent study Day 1. |
Experimental: Sub-study AZD7442 Arm 1 Approximately 500 participants will receive AZD7442 in the repeat dose sub-study. -Sub-study Arm 1 (~ 12 month repeat dose interval): Participants who received AZD7442 300 mg IM on Day 1 of the parent study will receive a second dose of AZD7442 300mg IM on sub-study Day 1. | Drug: AZD7442 -Single dose (× 2IM injections) of 300 mg of AZD7442 on parent study Day 1. -Single dose (× 2IM injections) of 300 mg of AZD7442 on sub-study Day 1. -Single dose (× 2IM injections) of 300 mg of AZD7442 on sub-study Day 183. -Single dose (x 2IM injections) of 600mg of AZD7442 on sub-study Day 183 and Day 366 Other Name: Combination of 2mAbs(AZD8895 and AZD1061) |
Experimental: Sub-study AZD7442 Arm 2 Approximately 500 participants will receive AZD7442 in the repeat dose sub-study. -Sub-study Arm 2(~ 6 month repeat dose interval): Participants who received placebo on Day 1 of the parent study will receive their first dose of AZD7442 300mg IM on sub-study Day1 followed by a second dose on sub-study Day 183. | Drug: AZD7442 -Single dose (× 2IM injections) of 300 mg of AZD7442 on parent study Day 1. -Single dose (× 2IM injections) of 300 mg of AZD7442 on sub-study Day 1. -Single dose (× 2IM injections) of 300 mg of AZD7442 on sub-study Day 183. -Single dose (x 2IM injections) of 600mg of AZD7442 on sub-study Day 183 and Day 366 Other Name: Combination of 2mAbs(AZD8895 and AZD1061) |
Experimental: Sub-study AZD7442 Arm 3 A subset of Arm 1 and Arm 2 participants who will receive additional doses of AZD7442, 600mg, at Day 183 and Day 366 of the sub-study. | Drug: AZD7442 -Single dose (× 2IM injections) of 300 mg of AZD7442 on parent study Day 1. -Single dose (× 2IM injections) of 300 mg of AZD7442 on sub-study Day 1. -Single dose (× 2IM injections) of 300 mg of AZD7442 on sub-study Day 183. -Single dose (x 2IM injections) of 600mg of AZD7442 on sub-study Day 183 and Day 366 Other Name: Combination of 2mAbs(AZD8895 and AZD1061) |