NCT04750343

Brief Summary

This is a first-in-human, Phase I/II, randomized, placebo-controlled, observer-blinded, age-escalating study to assess the safety, reactogenicity and immunogenicity of a SK SARS-CoV-2 recombinant protein nanoparticle vaccine (GBP510) adjuvanted with or without AS03 in healthy younger and older adults.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
328

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Feb 2021

Geographic Reach
1 country

14 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 3, 2021

Completed
7 days until next milestone

First Submitted

Initial submission to the registry

February 10, 2021

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 11, 2021

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 28, 2021

Completed
10 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2022

Completed
Last Updated

May 10, 2022

Status Verified

May 1, 2022

Enrollment Period

6 months

First QC Date

February 10, 2021

Last Update Submit

May 9, 2022

Conditions

Outcome Measures

Primary Outcomes (13)

  • Occurrence of immediate systemic reactions - Stage 1

    Through 30 minutes (2 hours for sentinel participants) post-vaccination

  • Occurrence of solicited local Adverse Events (AEs) during 7 days post each vaccination - Stage 1

    Through 7 days post-vaccination

  • Occurrence of solicited systemic AEs during 7 days post each vaccination - Stage 1

    Through 7 days post-vaccination

  • Occurrence of unsolicited AEs during 28 days post each vaccination - Stage 1

    Through 28 days post-vaccination

  • Occurrence of Serious Adverse Events (SAEs), Medically Attended Adverse Events (MAAEs) and Adverse Events of Special Interest (AESIs) during the whole study period - Stage 1

    Through Day 0 to Day 365 post last vaccination

  • (Only in Sentinel group) Occurrence of out-of-normal range clinical laboratory test results (including change from baseline values) during 7 days post 1st vaccination - Stage 1

    Through 7 days post 1st vaccination

  • GMT of IgG antibody to the SARS-CoV-2 RBD measured by Enzyme-linked Immunosorbent Assay (ELISA) - Stage 2

    Through Day 365 post last vaccination

  • GMFR of IgG antibody to the SARS-CoV-2 RBD from baseline measured by ELISA - Stage 2

    Through Day 365 post last vaccination

  • Percentage of participants with ≥ 4-fold rise from baseline in ELISA IgG titer - Stage 2

    Through Day 365 post last vaccination

  • GMT of neutralizing antibody to the SARS-CoV-2 measured by pseudovirus and wild-type virus neutralization assays - Stage 2

    Through Day 365 post last vaccination

  • GMFR of neutralizing antibody to the SARS-CoV-2 from baseline measured by pseudovirus and wild-type virus neutralization assays - Stage 2

    Through Day 365 post last vaccination

  • Percentage of participants with ≥ 4-fold rise from baseline in pseudovirus and wild-type neutralizing antibody titer - Stage 2

    Through Day 365 post last vaccination

  • Cell-mediated response for both Th1 and Th2 (e.g. INF-γ, IL-4 using Enzyme-linked ImmunoSpot (ELISpot) or other system) - Stage 2

    Through Day 28 post last vaccination

Secondary Outcomes (12)

  • GMT of IgG antibody to the SARS-CoV-2 RBD measured by ELISA - Stage 1

    Through Day 365 post last vaccination

  • GMFR of IgG antibody to the SARS-CoV-2 RBD from baseline measured by ELISA - Stage 1

    Through Day 365 post last vaccination

  • Percentage of participants with ≥ 4-fold rise from baseline in ELISA IgG titer - Stage 1

    Through Day 365 post last vaccination

  • GMT of neutralizing antibody to the SARS-CoV-2 measured by pseudovirus and wild-type virus neutralization assays - Stage 1

    Through Day 365 post last vaccination

  • GMFR of neutralizing antibody to the SARS-CoV-2 from baseline measured by pseudovirus and wild-type virus neutralization assays - Stage 1

    Through Day 365 post last vaccination

  • +7 more secondary outcomes

Study Arms (10)

Test group 1 - Stage 1 Low dose-level Cohort

EXPERIMENTAL

2 doses of GBP510 adjuvanted with AS03 (Receptor Binding Domain (RBD) 10μg/dose), 1 dose each on Days 0 and 28.

Biological: GBP510 adjuvanted with AS03 (RBD 10μg/dose) - Stage 1

Test group 2 - Stage 1 Low dose-level Cohort

EXPERIMENTAL

2 doses of GBP510 (RBD 10μg/dose), 1 dose each on Days 0 and 28.

Biological: GBP510 (RBD 10μg/dose) - Stage 1

Placebo group - Stage 1 Low dose-level Cohort

PLACEBO COMPARATOR

2 doses of Placebo Saline, 1 dose each on Days 0 and 28.

Other: Normal saline (0.9% sodium chloride solution) - Stage 1

Test group 3 - Stage 1 High dose-level Cohort

EXPERIMENTAL

2 doses of GBP510 adjuvanted with AS03 (RBD 25μg/dose), 1 dose each on Days 0 and 28.

Biological: GBP510 adjuvanted with AS03 (RBD 25μg/dose) - Stage 1

Test group 4 - Stage 1 High dose-level Cohort

EXPERIMENTAL

2 doses of GBP510 (RBD 25μg/dose), 1 dose each on Days 0 and 28.

Biological: GBP510 (RBD 25μg/dose) - Stage 1

Placebo group - Stage 1 High dose-level Cohort

PLACEBO COMPARATOR

2 doses of Placebo Saline, 1 dose each on Days 0 and 28.

Other: Normal saline (0.9% sodium chloride solution) - Stage 1

Test group 1 - Stage 2

EXPERIMENTAL

2 doses of GBP510 adjuvanted with AS03 (RBD 10μg/dose), 1 dose each on Days 0 and 28.

Biological: GBP510 adjuvanted with AS03 (RBD 10μg/dose) - Stage 2

Test group 3 - Stage 2

EXPERIMENTAL

2 doses of GBP510 adjuvanted with AS03 (RBD 25μg/dose), 1 dose each on Days 0 and 28.

Biological: GBP510 adjuvanted with AS03 (RBD 25μg/dose)- Stage 2

Test group 4 - Stage 2

EXPERIMENTAL

2 doses of GBP510 (RBD 25μg/dose), 1 dose each on Days 0 and 28.

Biological: GBP510 (RBD 25μg/dose)- Stage 2

Placebo group - Stage 2

PLACEBO COMPARATOR

2 doses of Placebo Saline, 1 dose each on Days 0 and 28.

Other: Normal saline (0.9% sodium chloride solution)- Stage 2

Interventions

Participants will receive intramuscular (IM) injections of GBP510 adjuvanted with AS03 (RBD 10μg/dose) on Days 0 and 28.

Also known as: GBP510-AS03-10μg
Test group 1 - Stage 1 Low dose-level Cohort

Participants will receive intramuscular (IM) injections of GBP510 (RBD 10μg/dose) on Days 0 and 28.

Also known as: GBP510-10μg
Test group 2 - Stage 1 Low dose-level Cohort

Participants will receive intramuscular (IM) injections of Normal saline on Days 0 and 28.

Placebo group - Stage 1 Low dose-level Cohort

Participants will receive intramuscular (IM) injections of GBP510 adjuvanted with AS03 (RBD 25μg/dose) on Days 0 and 28.

Also known as: GBP510-AS03-25μg
Test group 3 - Stage 1 High dose-level Cohort

Participants will receive intramuscular (IM) injections of GBP510 (RBD 25μg/dose) on Days 0 and 28.

Also known as: GBP510-25μg
Test group 4 - Stage 1 High dose-level Cohort

Participants will receive intramuscular (IM) injections of GBP510 adjuvanted with AS03 (RBD 10μg/dose) on Days 0 and 28.

Also known as: GBP510-AS03-10μg
Test group 1 - Stage 2

Participants will receive intramuscular (IM) injections of GBP510 adjuvanted with AS03 (RBD 25μg/dose) on Days 0 and 28.

Also known as: GBP510-AS03-25μg
Test group 3 - Stage 2

Participants will receive intramuscular (IM) injections of GBP510 (RBD 25μg/dose) on Days 0 and 28.

Also known as: GBP510-25μg
Test group 4 - Stage 2

Participants will receive intramuscular (IM) injections of Normal saline on Days 0 and 28.

Placebo group - Stage 2

Eligibility Criteria

Age19 Years - 85 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participants are eligible to be included in the study only if all of the following criteria apply:
  • Age
  • For Stage 1, participant must be 19 to 55 years of age inclusive, at the time of signing the informed consent.
  • For Stage 2, participant must be 19 to 85 years of age inclusive, at the time of signing the informed consent
  • Type of Participant and Disease Characteristics
  • Participants who are healthy as determined by medical evaluation including medical history, physical examination, clinical laboratory tests, and medical judgement of the investigator
  • Participants who are able to attend all scheduled visits and comply with all study procedures.
  • Weight
  • Body mass index (BMI) within the range 18-30 kg/m2 at screening (inclusive)
  • Sex and Contraceptive/Barrier Requirements
  • Female participants of childbearing potential must agree to be heterosexually inactive, or agree to consistently use at least one acceptable method of contraception from at least 4 weeks prior to the 1st study vaccination to 12 weeks after the last study vaccination
  • Female participants with a negative urine or serum pregnancy test at screening
  • Informed Consent
  • Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.

You may not qualify if:

  • Participants are excluded from the study if any of the following criteria apply:
  • Medical Conditions
  • Any clinically significant respiratory symptoms (e.g. cough, sore throat), febrile illness (tympanic temperature \>38°C), or acute illness within 72 hours prior to the 1st study vaccination. A prospective participant should not be included until 72 hours after the condition has resolved.
  • History of virologically-confirmed COVID-19 disease, or definite or suspected exposure to anyone known to have SARS-CoV-2 infection
  • History of virologically-confirmed SARS or MERS disease
  • History of congenital, hereditary, acquired immunodeficiency, or autoimmune disease
  • Any positive test results for hepatitis B, C, or HIV at screening
  • History of bleeding disorder or thrombocytopenia which is contraindicating intramuscular vaccination in the investigator's opinion
  • History of hypersensitivity and severe allergic reaction (e.g. anaphylaxis, Guillain-Barre syndrome) to any vaccines or components of the study intervention
  • History of malignancy within 5 years prior to the 1st study vaccination
  • Significant chronic illness that, in the opinion of the investigator, might increase risk of severe COVID-19, or interfere with the evaluation of the study objectives (e.g. asthma, chronic pulmonary disease, cardiovascular disease, chronic liver disease, diabetes mellitus, uncontrolled hypertension, renal disorders)
  • History of, or planned surgery under general anesthesia from 1 year prior to the 1st study vaccination through the study period
  • Any other conditions which, in the opinion of the investigator, might interfere with the evaluation of the study objectives (e.g. neurologic or psychiatric conditions)
  • Female participants who are pregnant or breastfeeding
  • (Only for Stage 1) Current smokers or a recent smoking history within 12 weeks prior to the 1st study vaccination. Occasional smokers who smoke up to 10 cigarettes per month may be allowed to participate at the investigator's discretion
  • +9 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (14)

Korea University Ansan Hospital

Ansan, South Korea

Location

Dong-A University Hospital

Busan, South Korea

Location

Kyungpook National University Chilgok Hospital

Daegu, South Korea

Location

Kyungpook National University Hospital

Daegu, South Korea

Location

Chonnam National University Hospital

Gwangju, South Korea

Location

Gachon University Gil Medical Center

Incheon, South Korea

Location

Inha University Hospital

Incheon, South Korea

Location

Korea University Anam Hospital

Seongnam-si, South Korea

Location

Ewha Womans University Medical Center

Seoul, South Korea

Location

Hallym University Medical Center

Seoul, South Korea

Location

Korea University Guro Hospital

Seoul, South Korea

Location

Severance Hospital

Seoul, South Korea

Location

Ajou University Hospital

Suwon, South Korea

Location

Wonju Severance Christian Hospital

Wŏnju, South Korea

Location

Related Publications (2)

  • Song JY, Choi WS, Heo JY, Lee JS, Jung DS, Kim SW, Park KH, Eom JS, Jeong SJ, Lee J, Kwon KT, Choi HJ, Sohn JW, Kim YK, Noh JY, Kim WJ, Roman F, Ceregido MA, Solmi F, Philippot A, Walls AC, Carter L, Veesler D, King NP, Kim H, Ryu JH, Lee SJ, Park YW, Park HK, Cheong HJ. Safety and immunogenicity of a SARS-CoV-2 recombinant protein nanoparticle vaccine (GBP510) adjuvanted with AS03: A randomised, placebo-controlled, observer-blinded phase 1/2 trial. EClinicalMedicine. 2022 Jul 22;51:101569. doi: 10.1016/j.eclinm.2022.101569. eCollection 2022 Sep.

  • Arunachalam PS, Walls AC, Golden N, Atyeo C, Fischinger S, Li C, Aye P, Navarro MJ, Lai L, Edara VV, Roltgen K, Rogers K, Shirreff L, Ferrell DE, Wrenn S, Pettie D, Kraft JC, Miranda MC, Kepl E, Sydeman C, Brunette N, Murphy M, Fiala B, Carter L, White AG, Trisal M, Hsieh CL, Russell-Lodrigue K, Monjure C, Dufour J, Spencer S, Doyle-Meyers L, Bohm RP, Maness NJ, Roy C, Plante JA, Plante KS, Zhu A, Gorman MJ, Shin S, Shen X, Fontenot J, Gupta S, O'Hagan DT, Van Der Most R, Rappuoli R, Coffman RL, Novack D, McLellan JS, Subramaniam S, Montefiori D, Boyd SD, Flynn JL, Alter G, Villinger F, Kleanthous H, Rappaport J, Suthar MS, King NP, Veesler D, Pulendran B. Adjuvanting a subunit COVID-19 vaccine to induce protective immunity. Nature. 2021 Jun;594(7862):253-258. doi: 10.1038/s41586-021-03530-2. Epub 2021 Apr 19.

MeSH Terms

Conditions

COVID-19

Interventions

Saline SolutionSodium Chloride

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

Crystalloid SolutionsIsotonic SolutionsSolutionsPharmaceutical PreparationsChloridesHydrochloric AcidChlorine CompoundsInorganic ChemicalsSodium Compounds

Study Officials

  • Hee Jin Cheong

    Korea University Guro Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 10, 2021

First Posted

February 11, 2021

Study Start

February 3, 2021

Primary Completion

July 28, 2021

Study Completion

June 1, 2022

Last Updated

May 10, 2022

Record last verified: 2022-05

Locations