En studie för att utvärdera effekten av CD388 på immunogeniteten hos Fluzone® HD-vaccinet
En fas 1, dubbelblind, randomiserad studie för att utvärdera säkerhet och immunogenicitet av Fluzone® High-Dose-influensavaccin vid samtidig administrering med CD388, ett nytt långverkande antiviralt konjugat för förebyggande av influensa
Approximately one billion cases of seasonal influenza occur annually. Of these, 3 to 5 million illnesses are severe and responsible for up to 650,000 deaths per year (WHO 2025). Yearly administration of an influenza vaccine for the prevention of influenza is currently recommended. However, the real-world vaccine effectiveness varied from 10% to 60% in the general population across the years of 2004 to 2024, with effectiveness in most years below 50% (CDC 2025) and decreasing to as low as 5% in immunocompromised individuals (Hughes 2021). Researchers are looking for other ways to prevent severe illness from the influenza virus.
The goals of this study are to learn if:
- MK-1406 (formerly CD388) is safe to take with Fluzone®
- MK-1406 affects the immune response to Fluzone®
Studieöversikt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljerad beskrivning
This is a Phase 1, double-blind, randomized trial to evaluate the immunogenicity of Fluzone® HD influenza vaccine when concomitantly administered with either MK-1406 or placebo, in healthy participants. This study will also evaluate the safety and tolerability of MK-1406 when administered with Fluzone® High-Dose (HD) compared to Fluzone® HD with placebo.
Studietyp
Studietyp
Inskrivning (Beräknad)
Inskrivning
Fas
Fas
- Fas 1
Kontakter och platser
Studiekontakt
Studiekontakt
- Namn: Toll Free Number
- Telefonnummer: 1-888-577-8839
- E-post: Trialsites@msd.com
Studieorter
-
-
California
-
Glendale, California, Förenta staterna, 91206
- Rekrytering
- Parexel ( Site 0001)
-
Kontakt:
- Study Coordinator
- Telefonnummer: 888-228-7425
-
-
Maryland
-
Baltimore, Maryland, Förenta staterna, 21225
- Rekrytering
- Parexel ( Site 0002)
-
Kontakt:
- Study Coordinator
- Telefonnummer: 410-350-3200
-
-
Deltagandekriterier
Urvalskriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
The main inclusion criteria include but are not limited to the following:
- Be ≥18 to ≤49 years of age
- Be deemed healthy by the Investigator
- Have not received any seasonal influenza vaccine and have not had a diagnosed or suspected influenza infection within 12 months prior to Day 1 of the trial
Exclusion Criteria:
The main exclusion criteria include but are not limited to the following:
- Had an active malignancy within 5 years prior to screening, except basal cell or squamous cell skin cancer. Any history of breast cancer or melanoma is exclusionary.
- Has previously been diagnosed with Guillain-Barre Syndrome following a previous influenza vaccination.
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Förebyggande
- Tilldelning: Randomiserad
- Interventionsmodell: Parallellt uppdrag
- Maskning: Fyrdubbla
Antal vapen
Vapen och interventioner
Deltagargrupp / ArmDeltagargrupp / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Experimentell: Fluzone® High-Dose (HD) plus MK-1406
Participants will receive open-label Fluzone® HD influenza vaccine by intramuscular (IM) injection plus MK-1406 by subcutaneous (SC) injection on Day 1. |
Fluzone® HD injectable suspension administered by intramuscular (IM) injection
Andra namn:
MK-1406 liquid for injection administered subcutaneously
Andra namn:
|
|
Placebo-jämförare: Fluzone® HD plus Placebo
Participants will receive open-label Fluzone® HD influenza vaccine by IM injection plus placebo by SC injection on Day 1. |
Fluzone® HD injectable suspension administered by intramuscular (IM) injection
Andra namn:
MK-1406 matched liquid for SC injection |
Vad mäter studien?
Primära resultatmått
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
Geometric Mean of Hemagglutinin Inhibition (HAI) Titers Against the Influenza Strains Contained in the Vaccine Among Participants Receiving Concomitant Fluzone® High-Dose (HD) and MK-1406 Compared to Participants Who Receive Fluzone® HD and Placebo
Tidsram: Predose (Day 1), Day 15 and Day 29
|
Geometric mean of HAI titers at 2-weeks and 4-weeks post-trial intervention against the influenza virus strains contained in the vaccine among participants receiving concomitant Fluzone® HD influenza vaccine and MK-1406 compared to participants who receive Fluzone® HD and placebo will be determined. HAI testing will be performed using validated methods in accordance with applicable Good Clinical Laboratory Practice (GCLP) and laboratory Standard Operating Procedures (SOPs). Geometric Mean Titers (GMTs) will be summarized by treatment group and influenza strain. |
Predose (Day 1), Day 15 and Day 29
|
|
Percentage of Participants with Seroconversion Rates against the Influenza Strains Contained in the Vaccine Among Participants Receiving Concomitant Fluzone® HD and MK-1406 Compared to Participants Who Receive Fluzone® HD and Placebo
Tidsram: Predose (Day 1), Day 15 and Day 29
|
Seroconversion is defined as a 4-fold increase in influenza titer as measured by HAI assay at each visit compared to baseline. Seroconversion rates at 2-weeks and 4-weeks post-trial intervention against the influenza virus strains contained in the vaccine among participants receiving concomitant Fluzone® HD influenza vaccine and MK-1406 compared to participants who receive Fluzone® HD and placebo will be determined. Seroconversion rates will be summarized by treatment group and influenza strain. |
Predose (Day 1), Day 15 and Day 29
|
Sekundära resultatmått
Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
|---|---|---|
|
Percentage of participants with ≥1 Adverse Event (AE)
Tidsram: Up to approximately Day 29
|
An AE is defined as any untoward medical occurrence in a participant administered a pharmaceutical product temporally associated with the use of study treatment, whether or not considered related to the study treatment. |
Up to approximately Day 29
|
|
Percentage of Participants Who Discontinued from the Study Due to an Adverse Event
Tidsram: Up to approximately Day 29
|
An AE is defined as any untoward medical occurrence in a participant administered a pharmaceutical product temporally associated with the use of study treatment, whether or not considered related to the study treatment. The percentage of participants who discontinued the study because of an AE (as defined above) will be assessed. |
Up to approximately Day 29
|
|
Percentage of Participants with a Solicited Injection-site Adverse Event
Tidsram: Up to approximately Day 8 post-dose
|
An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The solicited injection-site AEs assessed are redness/erythema, swelling, and tenderness/pain. |
Up to approximately Day 8 post-dose
|
|
Percentage of Participants with a Solicited Systemic Adverse Event
Tidsram: Up to approximately Day 29
|
An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study treatment, whether or not considered related to the study treatment. The solicited systemic AEs assessed are muscle pain/myalgia, joint pain/arthralgia, headache, and tiredness/fatigue. |
Up to approximately Day 29
|
Samarbetspartners och utredare
Sponsor
Sponsor
Utredare
Utredare
- Studierektor: Medical Director, Merck Sharp & Dohme LLC
Publikationer och användbara länkar
Användbara länkar
Studieavstämningsdatum
Studera stora datum
Studiestart (Faktisk)
Studiestart
Primärt slutförande (Beräknad)
Primärt slutförande
Avslutad studie (Beräknad)
Avslutad studie
Studieregistreringsdatum
Först inskickad
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Först inskickad som uppfyllde QC-kriterierna
Första postat (Faktisk)
Första postat
Uppdateringar av studier
Senaste uppdatering publicerad (Faktisk)
Senaste uppdatering publicerad
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Senast verifierad
Mer information
Termer relaterade till denna studie
Nyckelord
Ytterligare relevanta MeSH-villkor
Andra studie-ID-nummer
Andra studie-ID-nummer
- 1406-007
- CD388.SQ.1.08 (Annan identifierare: Cidara)
- MK-1406-007 (Annan identifierare: MSD)
Plan för individuella deltagardata (IPD)
Planerar du att dela individuella deltagardata (IPD)?
IPD-planbeskrivning
https://trialstransparency.msdclinicaltrials.com/pdf/ProcedureAccessClinicalTrialData.pdf
Läkemedels- och apparatinformation, studiedokument
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