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A Study to Assess the Safety and Immunogenicity of the Malaria Vaccine, R21, Administered With and Without Matrix-M1
Safety and Immunogenicity of a Protein Particle Malaria Vaccine Candidate, R21, Administered With and Without Matrix-M1 in Healthy UK Volunteers
This is a clinical trial in which healthy volunteers will be administered one or two experimental malaria vaccines. The vaccine R21 will either be administered alone or in combination with the adjuvant vaccine Matrix-M1.
All vaccinations will be administered intramuscularly. Each volunteer will receive three vaccinations in total.
There are three different vaccine schedules:
Group 1 will receive 10µg of R21 mixed with 50µg of Matrix-M1 on days 0, 28, and 56.
Group 2 will receive 50µg of R21 on days 0, 28, and 56. .
Group 3 will receive 50µg of R21 mixed with 50µg of Matrix-M1 on days 0, 28, and 56.
The study will assess the safety of the vaccines, and the immune responses to the vaccinations. Immune responses are measured by tests on blood samples.
Healthy adult volunteers will be recruited in Oxford and London, England.
Studie Overzicht
Studietype
Inschrijving (Werkelijk)
Fase
- Fase 1
Contacten en locaties
Studie Locaties
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London, Verenigd Koninkrijk, W12 0HS
- NIHR Wellcome Trust Clinical Research Facility, Hammersmith Hospital
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Oxfordshire
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Oxford, Oxfordshire, Verenigd Koninkrijk, OX3 7LE
- Centre for Clinical Vaccinology and Tropical Medicine, Churchill Hospital
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
Inclusion Criteria:
The volunteer must satisfy all the following criteria to be eligible for the study:
- Healthy adults aged 18 to 50 years
- Able and willing (in the Investigator's opinion) to comply with all study requirements
- Willing to allow the investigators to discuss the volunteer's medical history with their General Practitioner
- For females only, willingness to practice continuous effective contraception (see below) during the study and a negative pregnancy test on the day(s) of screening and vaccination
- Agreement to refrain from blood donation during the course of the study
- Provide written informed consent
Exclusion Criteria:
The volunteer may not enter the study if any of the following apply:
- Participation in another research study involving receipt of an investigational product in the 30 days preceding enrolment, or planned use during the study period
- Prior receipt of an investigational malaria vaccine or any other investigational vaccine likely to impact on interpretation of the trial data.
- Administration of immunoglobulins and/or any blood products within the three months preceding the planned administration of the vaccine candidate
- Any confirmed or suspected immunosuppressive or immunodeficient state, including HIV infection; asplenia; recurrent, severe infections and chronic (more than 14 days) immunosuppressant medication within the past 6 months (inhaled and topical steroids are allowed)
- History of allergic disease or reactions likely to be exacerbated by any component of the vaccine
- Any history of anaphylaxis in relation to vaccination
- Pregnancy, lactation or willingness/intention to become pregnant during the study
- History of cancer (except basal cell carcinoma of the skin and cervical carcinoma in situ)
- History of serious psychiatric condition likely to affect participation in the study
- Any other serious chronic illness requiring hospital specialist supervision
- Suspected or known current alcohol abuse as defined by an alcohol intake of greater than 42 units every week
- Suspected or known injecting drug abuse in the 5 years preceding enrolment
- Seropositive for hepatitis B surface antigen (HBsAg)
- Seropositive for hepatitis C virus (antibodies to HCV)
- History of clinical malaria (any species)
- Travel to a malaria endemic region during the study period or within the previous six months
- Any clinically significant abnormal finding on screening biochemistry or haematology blood tests or urinalysis
- Any other significant disease, disorder or finding which may significantly increase the risk to the volunteer because of participation in the study, affect the ability of the volunteer to participate in the study or impair interpretation of the study data
- Inability of the study team to contact the volunteer's GP to confirm medical history and safety to participate
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Preventie
- Toewijzing: Niet-gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Actieve vergelijker: Group 1
10µg of R21 mixed with 50µg of Matrix-M on days 0, 28, and 56.
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Actieve vergelijker: Group 2
50µg of R21 on days 0, 28, and 56.
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Actieve vergelijker: Group 3
50µg of R21 mixed with 50µg of Matrix-M on days 0, 28, and 56.
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Actieve vergelijker: Group 4
2µg of R21 mixed with 50µg of Matrix-M
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
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Safety and Tolerability of Administration of R21 With and Without the Adjuvant Matrix-M1 Assessed by the Occurrence of Solicited Local and Systemic Adverse Events.
Tijdsspanne: Assessment of solicited AEs in the first 7 days post vaccination.
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Occurrence of solicited local and systemic adverse events (i.e: pain, redness, swelling and pruritus at injection site and temperature, feverishness, myalgia, arthralgia, malaise, headache and nausea).
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Assessment of solicited AEs in the first 7 days post vaccination.
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Safety and Tolerability of R21 With and Without the Adjuvant Matrix-M1 Assessed by the Occurrence of Unsolicited Adverse Events.
Tijdsspanne: Unsolicited AEs to be assessed up to 28 days post vaccination.
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Occurrence of unsolicited local and systemic adverse events.
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Unsolicited AEs to be assessed up to 28 days post vaccination.
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Safety and Tolerability of R21 With and Without the Adjuvant Matrix-M1 Assessed by the Occurrence of Serious Adverse Events.
Tijdsspanne: 6 months
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Occurrence of serious adverse events collected from enrolment until the end of the follow-up period.
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6 months
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Safety and Tolerability of R21 With and Without the Adjuvant Matrix-M1 Assessed by the Occurrence of Laboratory Adverse Events.
Tijdsspanne: At Day 0 (baseline), day 7 and day 28 post vaccination
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Occurrence of laboratory adverse events defined as clinically significant changes from baseline.
Haematology (Full Blood Count) and Biochemistry (Kidney and Liver Function Tests) will be assessed.
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At Day 0 (baseline), day 7 and day 28 post vaccination
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Medewerkers en onderzoekers
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- VAC053
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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Klinische onderzoeken op R21
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University of OxfordVoltooidMalariaVerenigd Koninkrijk
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University of OxfordBill and Melinda Gates Foundation; University Hospitals Bristol and Weston NHS...WervingMalaria, FalciparumVerenigd Koninkrijk
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European Vaccine InitiativeUniversity of Oxford; Malaria Research and Training Center, Bamako, MaliNog niet aan het wervenGezonde vrouwen met een vruchtbaar potentieel
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University of OxfordEuropean and Developing Countries Clinical Trials Partnership (EDCTP); Institut...VoltooidMalaria, FalciparumBurkina Faso
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University of OxfordEuropean and Developing Countries Clinical Trials Partnership (EDCTP); Medical...WervingMalaria, Plasmodium FalciparumGambia
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University of OxfordVoltooid
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University of OxfordVoltooid
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University of OxfordLondon School of Hygiene and Tropical Medicine; KEMRI-Wellcome Trust Collaborative... en andere medewerkersActief, niet wervend
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University of OxfordMRC/UVRI and LSHTM Uganda Research UnitWerving
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Rio de Janeiro State UniversityUniversidade Federal Fluminense; Rio de Janeiro State Research Supporting Foundation...WervingDepressie | Kwaliteit van het leven | Obesitas | Angst stoornissen | HartslagvariabiliteitBrazilië