Safety and Immunogenicity Study of Booster Vaccination With Medium-dosage or High-dosage SARS-CoV-2 Inactivated Vaccine for Prevention of COVID-19
A Randomized, Double-Blinded Clinical Trial to Evaluate Additional Dose of Medium-dosage or High-dosage SARS-CoV-2 Inactivated Vaccine in Healthy Individuals Previously Vaccinated With CoronaVac
Studienübersicht
Status
Status
Bedingungen
Bedingungen
Intervention / Behandlung
Intervention / Behandlung
Detaillierte Beschreibung
Studientyp
Studientyp
Einschreibung (Voraussichtlich)
Einschreibung
Phase
Phase
- Phase 4
Kontakte und Standorte
Studienorte
-
-
Jiangsu
-
Xinqi, Jiangsu, China, 221400
- Xinqi City Center for Disease Control and Prevention
-
-
Teilnahmekriterien
Zulassungskriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Beschreibung
Inclusion Criteria:
- Adults aged 18-59;
- Proven legal identity;
- The subjects can understand and voluntarily sign the informed consent form and be willing to complete the study in accordance with the study plan;
- Have received two doses of inactivated SARS-CoV-2 vaccine(CoronaVac) manufactured by Sinovac Research & Development Co., Ltd at an interval of 21 to 35 days and is currently 6-8 months (180 to 240 days) after the second dose.
Exclusion Criteria:
- History of SARS-CoV-2 infection(laboratory confirmed);
- Have received three and more doses of inactivated SARS-CoV-2 vaccine;
- Severe adverse reactions, such as urticaria, dyspnea, and angioneurotic edema , occurred during the primary immunization;
- Autoimmune disease such as systemic lupus erythematosus or immunodeficiency / immunosuppression such as AIDS, post-transplant;
- Severe chronic diseases, severe cardiovascular diseases, hypertension and diabetes that cannot be controlled by drugs, liver or kidney diseases, malignant tumors, etc;
- Severe neurological disease (epilepsy, convulsions or convulsions) or mental illness;
- Diagnosed abnormal blood coagulation function (eg, lack of blood coagulation factors, blood coagulopathy, abnormal platelets) or obvious bruising or blood coagulation;
- Immunosuppressive therapy, cytotoxic therapy, inhaled corticosteroids(excluding allergic rhinitis corticosteroid spray therapy, acute noncomplicated dermatitis superficial corticosteroid therapy) in the past 6 months;
- History of alcohol or drug abuse;
- Receipt of blood products within in the past 3 months;
- Receipt of other investigational drugs in the past 30 days;
- Receipt of attenuated live vaccines in the past 14 days;
- Acute diseases or acute exacerbation of chronic diseases within 7 days prior to booster vaccination;
- Axillary temperature >37.0°C;
- Already pregnant or are breastfeeding, planning to get pregnant within 1months (according to subjects' self-report and urine pregnancy test results);
- Participated in other clinical trials prior to enrollment and during the follow-up period, or planned to participate in other clinical trials during the clinical trial period;
- According to the investigator's judgment, the subject has any other factors that are not suitable for participating in the clinical trial.
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
- Hauptzweck: Verhütung
- Zuteilung: Zufällig
- Interventionsmodell: Parallele Zuordnung
- Maskierung: Doppelt
Anzahl der Arme
Waffen und Interventionen
Teilnehmergruppe / ArmTeilnehmergruppe / Arm |
Intervention / BehandlungIntervention / Behandlung |
|---|---|
|
Experimental: Experimental Group
600 participants will receive one dose of booster vaccination with high-dosage inactivated SARS-CoV-2 vaccine .
|
SARS-CoV-2 Inactivated Vaccine 1200SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection
Andere Namen:
|
|
Aktiver Komparator: Control Group
600 participants will receive one dose of booster vaccination with medium-dosage inactivated SARS-CoV-2 vaccine .
|
SARS-CoV-2 Inactivated Vaccine 600SU inactivated virus in 0.5 mL of aluminium hydroxide solution per injection
Andere Namen:
|
Was misst die Studie?
Primäre Ergebnismessungen
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
Immunogenicity index-GMT of neutralizing antibodies(CZ02 strain)
Zeitfenster: Day 28 after booster vaccination
|
GMT of neutralizing antibodies(CZ02 strain) 28 days after booster vaccination.
|
Day 28 after booster vaccination
|
Sekundäre Ergebnismessungen
Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
Immunogenicity index-seropositive rate of neutralizing antibodies(CZ02 strain)
Zeitfenster: Day 28 after booster vaccination
|
The seropositive rate of neutralizing antibodies(CZ02 strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-seroconversion rate of neutralizing antibodies(CZ02 strain)
Zeitfenster: Day 28 after booster vaccination
|
The seroconversion rate of neutralizing antibodies(CZ02 strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-GMI of neutralizing antibodies(CZ02 strain)
Zeitfenster: Day 28 after booster vaccination
|
GMI of neutralizing antibodies(CZ02 strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-seropositive rate of neutralizing antibodies(Delta Strain)
Zeitfenster: Day 28 after booster vaccination
|
The seropositive rate of neutralizing antibodies(Delta Strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-seroconversion rate of neutralizing antibodies(Delta Strain)
Zeitfenster: Day 28 after booster vaccination
|
The seroconversion rate of neutralizing antibodies(Delta Strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-GMI of neutralizing antibodies(Delta Strain)
Zeitfenster: Day 28 after booster vaccination
|
GMI of neutralizing antibodies(Delta Strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-seroconversion rate of neutralizing antibodies(Omicron Strain)
Zeitfenster: Day 28 after booster vaccination
|
The seroconversion rate of neutralizing antibodies(Omicron Strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-seropositive rate of neutralizing antibodies(Omicron Strain)
Zeitfenster: Day 28 after booster vaccination
|
The seropositive rate of neutralizing antibodies(Omicron Strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-GMI of neutralizing antibodies(Omicron Strain)
Zeitfenster: Day 28 after booster vaccination
|
GMI of neutralizing antibodies(Omicron Strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-GMT of neutralizing antibodies(Omicron Strain)
Zeitfenster: Day 28 after booster vaccination
|
GMT of neutralizing antibodies(Omicron Strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
|
Immunogenicity index-GMT of neutralizing antibodies(Delta Strain)
Zeitfenster: Day 28 after booster vaccination
|
GMT of neutralizing antibodies(Delta Strain) 28 days after booster vaccination
|
Day 28 after booster vaccination
|
Andere Ergebnismessungen
Andere Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
|
Immunogenicity index-the seropositive rate of neutralizing antibodies(CZ02 strain,Delta Strain and Omicron Strain)
Zeitfenster: 6 months after the booster vaccination
|
The seroconversion rate of neutralizing antibodies(CZ02 strain,Delta Strain and Omicron Strain) 6 months after the booster vaccination
|
6 months after the booster vaccination
|
|
Immunogenicity index-GMT of neutralizing antibodies(CZ02 strain,Delta Strain and Omicron Strain)
Zeitfenster: 6 months after the booster vaccination
|
GMI of neutralizing antibodies(CZ02 strain,Delta Strain and Omicron Strain) 6 months after the booster vaccination
|
6 months after the booster vaccination
|
Mitarbeiter und Ermittler
Sponsor
Sponsor
Ermittler
Ermittler
- Hauptermittler: Hongxing Pan, Master, Jiangsu Provincial Center for Disease Prevention and Control
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn (Tatsächlich)
Studienbeginn
Primärer Abschluss (Tatsächlich)
Primärer Abschluss
Studienabschluss (Voraussichtlich)
Studienabschluss
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Tatsächlich)
Zuerst gepostet
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Tatsächlich)
Letztes Update gepostet
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Zusätzliche relevante MeSH-Bedingungen
- Coronavirus-Infektionen
- Coronaviridae-Infektionen
- Nidovirales-Infektionen
- RNA-Virusinfektionen
- Viruserkrankungen
- Infektionen
- Infektionen der Atemwege
- Erkrankungen der Atemwege
- Pneumonie, viral
- Lungenentzündung
- Lungenkrankheit
- COVID-19
- Physiologische Wirkungen von Arzneimitteln
- Immunologische Faktoren
- Impfungen
Andere Studien-ID-Nummern
Andere Studien-ID-Nummern
- PRO-nCOV-4007
Arzneimittel- und Geräteinformationen, Studienunterlagen
Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt
Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt
Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .