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Phase 3 Study to Evaluate the Lot Consistency of a Recombinant Coronavirus-Like Particle COVID-19 Vaccine

Primary Purpose

COVID-19

Status
Withdrawn
Phase
Phase 3
Locations
Canada
Study Type
Interventional
Intervention
CoVLP formulation
Sponsored by
Medicago
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional prevention trial for COVID-19

Eligibility Criteria

18 Years - 49 Years (Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria:

  • Male and female subjects must be 18 - 49 years of age at screening visit.
  • Subjects must have a body mass index < 35 kg/m2 at screening visit.
  • Subjects must be in good general health prior to study participation. Note: Subjects with a pre-existing chronic disease will be allowed to participate if the disease is stable and the condition is unlikely to confound the results of the study or pose additional risk to the subject.
  • Female subjects of childbearing potential must have a negative urine pregnancy test result prior to vaccination.
  • Female subjects of childbearing potential must use a highly effective method of contraception starting one month prior to vaccination, continuing until the end of the study, and must not plan to become pregnant for at least one month after her last study vaccination.

Exclusion Criteria:

  • Significant acute or chronic, uncontrolled medical or neuropsychiatric illness.
  • Any confirmed or suspected current immunosuppressive condition or immunodeficiency, including cancer, human immunodeficiency virus (HIV), hepatitis B or C infection (subjects with a history of cured hepatitis B or C infection without any signs of immunodeficiency at present time are allowed).
  • Current autoimmune disease (such as rheumatoid arthritis, systemic lupus erythematosus or multiple sclerosis).
  • Administration of any medication or treatment that may alter the vaccine immune responses, such as:

    • Systemic glucocorticoids at a dose exceeding 10 mg of prednisone (or equivalent) per day for more than seven consecutive days or for 10 or more days in total, within one month prior to the Vaccination visit (Visit 2). Inhaled, nasal, ophthalmic, dermatological, and other topical glucocorticoids are permitted.
    • Cytotoxic, antineoplastic, or immunosuppressant drugs - within 36 months prior to Vaccination (Visit 2).
    • Any immunoglobulin preparations or blood products, blood transfusion - within 6 months prior to Vaccination (Visit 2).
  • Administration of any vaccine within 14 days prior to Vaccination (Visit 2); planned administration of any vaccine during the study (up to Day 28 of the study).
  • Administration of any other SARS-CoV-2 / COVID-19, or other experimental coronavirus vaccine at any time prior to or during the study.
  • History of virologically-confirmed COVID-19.
  • Use of any investigational or non-registered product within 30 days or 5 half-lives, whichever is longer, prior to Vaccination (Visit 2) or planned use during the study period.
  • Have a rash, dermatological condition, tattoos, muscle mass, or any other abnormalities at injection site that may interfere with injection site reaction rating.
  • Use of any prescription antiviral drugs with the intention of COVID-19 prophylaxis, including those that are thought to be effective for prevention of COVID-19 but have not been licensed for this indication, within one month prior to Vaccination (Visit 2).
  • History of a serious allergic response to any of the constituents of CoVLP including AS03.
  • History of a documented anaphylactic reactions to plants or plant components (including tobacco, fruits and nuts).
  • Personal or family (first-degree relatives) history of narcolepsy.
  • Subjects with a history of Guillain-Barré Syndrome.
  • Any female subject who has a positive or doubtful pregnancy test result prior to vaccination or who is lactating.

Sites / Locations

  • Dawson Clinical Research
  • LMC Manna Research

Arms of the Study

Arm 1

Arm 2

Arm 3

Arm Type

Experimental

Experimental

Experimental

Arm Label

Group 1

Group 2

Group 3

Arm Description

CoVLP Lot 1

CoVLP Lot 2

CoVLP Lot 3

Outcomes

Primary Outcome Measures

GMTs of the three vaccine lots
Nab response induced against the SARS-CoV-2 virus on Day 42 will be analyzed using GMTs of the three vaccine lots on Day 42 adjusted for Day 0 GMTs.

Secondary Outcome Measures

Immediate adverse events
Occurrence, intensity, and relationship to vaccination of immediate adverse events.
Solicited adverse events
Occurrence and intensity of solicited local and systemic adverse events.
Unsolicited adverse events
Occurrence, intensity, and relationship of unsolicited adverse events.
Other adverse events
Occurrences of serious AEs (SAEs), medically attended AEs (MAAEs), AEs leading to withdrawal, AE of special interest (AESIs; including vaccine-associated enhanced disease [VAED], anaphylaxis, and severe allergic reactions), and deaths.
SC rates
Nab response induced by CoVLP (3.75 µg/dose) adjuvanted with AS03 against the SARS-CoV-2 virus on Day 0 and Day 42 will be analyzed using SC rates
GMFRs
Nab response induced by CoVLP (3.75 µg/dose) adjuvanted with AS03 against the SARS-CoV-2 virus on Day 0 and Day 42 will be analyzed using GMFRs

Full Information

First Posted
August 26, 2021
Last Updated
May 31, 2023
Sponsor
Medicago
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1. Study Identification

Unique Protocol Identification Number
NCT05040789
Brief Title
Phase 3 Study to Evaluate the Lot Consistency of a Recombinant Coronavirus-Like Particle COVID-19 Vaccine
Official Title
A Randomized, Observer-Blind, Multicenter, Phase 3 Study to Evaluate the Lot Consistency of a Recombinant Coronavirus-Like Particle COVID-19 Vaccine in Adults 18-49 Years of Age
Study Type
Interventional

2. Study Status

Record Verification Date
May 2023
Overall Recruitment Status
Withdrawn
Why Stopped
Further development terminated
Study Start Date
November 22, 2021 (Anticipated)
Primary Completion Date
May 31, 2022 (Anticipated)
Study Completion Date
May 31, 2022 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Medicago

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
This Phase 3 study is intended to assess clinical lot-to-lot consistency by evaluating and comparing the immunogenicity of three consecutively manufactured lots of Coronavirus-like Particle (CoVLP).
Detailed Description
This is a randomized, observer-blinded, multicenter, Phase 3 lot-to-lot consistency study in approximately 900 healthy seronegative adults 18-49 years of age after the administration of two doses of CoVLP (3.75 ug) adjuvanted with AS03 (referred to as "CoVLP formulation"). Subjects who are seronegative for SARS-CoV-2 antibodies will be randomized in a 1:1:1 ratio to receive one of three lots of the CoVLP formulation. Subjects will receive two intramuscular injections 21 days apart. The same lot will be used for both IM injections in each subject. Safety and immunogenicity assessments will be performed. Subjects will participate in this study for approximately 49 days.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
COVID-19

7. Study Design

Primary Purpose
Prevention
Study Phase
Phase 3
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
0 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Group 1
Arm Type
Experimental
Arm Description
CoVLP Lot 1
Arm Title
Group 2
Arm Type
Experimental
Arm Description
CoVLP Lot 2
Arm Title
Group 3
Arm Type
Experimental
Arm Description
CoVLP Lot 3
Intervention Type
Biological
Intervention Name(s)
CoVLP formulation
Intervention Description
The Coronavirus-Like Particle (CoVLP) COVID-19 Vaccine is composed of recombinant spike (S) glycoprotein expressed as virus-like particles (VLPs). The 3.75 µg dose of CoVLP will be administered with the adjuvant AS03 (manufactured by GlaxoSmithKline).
Primary Outcome Measure Information:
Title
GMTs of the three vaccine lots
Description
Nab response induced against the SARS-CoV-2 virus on Day 42 will be analyzed using GMTs of the three vaccine lots on Day 42 adjusted for Day 0 GMTs.
Time Frame
Up to Day 42 (21 days after the second vaccination)
Secondary Outcome Measure Information:
Title
Immediate adverse events
Description
Occurrence, intensity, and relationship to vaccination of immediate adverse events.
Time Frame
30 minutes after each vaccine administration
Title
Solicited adverse events
Description
Occurrence and intensity of solicited local and systemic adverse events.
Time Frame
Seven days following each vaccination
Title
Unsolicited adverse events
Description
Occurrence, intensity, and relationship of unsolicited adverse events.
Time Frame
21 days following each vaccination
Title
Other adverse events
Description
Occurrences of serious AEs (SAEs), medically attended AEs (MAAEs), AEs leading to withdrawal, AE of special interest (AESIs; including vaccine-associated enhanced disease [VAED], anaphylaxis, and severe allergic reactions), and deaths.
Time Frame
Up to 21 days following each vaccine administration
Title
SC rates
Description
Nab response induced by CoVLP (3.75 µg/dose) adjuvanted with AS03 against the SARS-CoV-2 virus on Day 0 and Day 42 will be analyzed using SC rates
Time Frame
21 days after the second vaccination
Title
GMFRs
Description
Nab response induced by CoVLP (3.75 µg/dose) adjuvanted with AS03 against the SARS-CoV-2 virus on Day 0 and Day 42 will be analyzed using GMFRs
Time Frame
21 days after the second vaccination

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
49 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: Male and female subjects must be 18 - 49 years of age at screening visit. Subjects must have a body mass index < 35 kg/m2 at screening visit. Subjects must be in good general health prior to study participation. Note: Subjects with a pre-existing chronic disease will be allowed to participate if the disease is stable and the condition is unlikely to confound the results of the study or pose additional risk to the subject. Female subjects of childbearing potential must have a negative urine pregnancy test result prior to vaccination. Female subjects of childbearing potential must use a highly effective method of contraception starting one month prior to vaccination, continuing until the end of the study, and must not plan to become pregnant for at least one month after her last study vaccination. Exclusion Criteria: Significant acute or chronic, uncontrolled medical or neuropsychiatric illness. Any confirmed or suspected current immunosuppressive condition or immunodeficiency, including cancer, human immunodeficiency virus (HIV), hepatitis B or C infection (subjects with a history of cured hepatitis B or C infection without any signs of immunodeficiency at present time are allowed). Current autoimmune disease (such as rheumatoid arthritis, systemic lupus erythematosus or multiple sclerosis). Administration of any medication or treatment that may alter the vaccine immune responses, such as: Systemic glucocorticoids at a dose exceeding 10 mg of prednisone (or equivalent) per day for more than seven consecutive days or for 10 or more days in total, within one month prior to the Vaccination visit (Visit 2). Inhaled, nasal, ophthalmic, dermatological, and other topical glucocorticoids are permitted. Cytotoxic, antineoplastic, or immunosuppressant drugs - within 36 months prior to Vaccination (Visit 2). Any immunoglobulin preparations or blood products, blood transfusion - within 6 months prior to Vaccination (Visit 2). Administration of any vaccine within 14 days prior to Vaccination (Visit 2); planned administration of any vaccine during the study (up to Day 28 of the study). Administration of any other SARS-CoV-2 / COVID-19, or other experimental coronavirus vaccine at any time prior to or during the study. History of virologically-confirmed COVID-19. Use of any investigational or non-registered product within 30 days or 5 half-lives, whichever is longer, prior to Vaccination (Visit 2) or planned use during the study period. Have a rash, dermatological condition, tattoos, muscle mass, or any other abnormalities at injection site that may interfere with injection site reaction rating. Use of any prescription antiviral drugs with the intention of COVID-19 prophylaxis, including those that are thought to be effective for prevention of COVID-19 but have not been licensed for this indication, within one month prior to Vaccination (Visit 2). History of a serious allergic response to any of the constituents of CoVLP including AS03. History of a documented anaphylactic reactions to plants or plant components (including tobacco, fruits and nuts). Personal or family (first-degree relatives) history of narcolepsy. Subjects with a history of Guillain-Barré Syndrome. Any female subject who has a positive or doubtful pregnancy test result prior to vaccination or who is lactating.
Facility Information:
Facility Name
Dawson Clinical Research
City
Guelph
State/Province
Ontario
ZIP/Postal Code
N1H 1B1
Country
Canada
Facility Name
LMC Manna Research
City
Toronto
State/Province
Ontario
ZIP/Postal Code
M4G 3E8
Country
Canada

12. IPD Sharing Statement

Learn more about this trial

Phase 3 Study to Evaluate the Lot Consistency of a Recombinant Coronavirus-Like Particle COVID-19 Vaccine

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