> Trialight public data. Index of pages: https://trialight.com/llms.txt > Web page: https://trialight.com/data/trial/a-study-of-adenovirus-serotype-26-respiratory-syncytial-a8371f7b-1288-4026-87ab-882fd1989afb > Record changed: 2026-10-13 # A Study of Adenovirus Serotype 26.Respiratory Syncytial Virus.Pre-Fusion F (Ad26.RSV.preF)-Based Vaccine for Prevention of Respiratory Syncytial Virus (RSV) Mediated- Lower Respiratory Tract Disease (LRTD) in Japanese Participants NCT05242432 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) Phase Phase 3 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) Recruitment status Terminated Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) Participants 2,192 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) Lead sponsor Janssen Pharmaceutical K.K. Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) Start date 2022-04-01 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) Number of sites 30 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Title and summary **Summary** The purpose of the study is to evaluate the efficacy of study vaccine in the prevention of Reverse Transcriptase Polymerase Chain Reaction (RT-PCR)-confirmed RSV mediated- lower Respiratory Tract Disease (LRTD) over one RSV season when compared to placebo in adults aged 60 years and above and to demonstrate the non-inferiority of the vaccine in high-risk adults aged 20 to 59 years versus in adults aged 60 years and older in terms of humoral immune response. Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Short title** A Study of Adenovirus Serotype 26.Respiratory Syncytial Virus.Pre-Fusion F (Ad26.RSV.preF)-Based Vaccine for Prevention of Respiratory Syncytial Virus (RSV) Mediated- Lower Respiratory Tract Disease (LRTD) in Japanese Participants Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Official title** A Randomized, Double-blind, Placebo-controlled Phase 3 Study to Evaluate Efficacy, Safety, Reactogenicity, and Immunogenicity of an Ad26.RSV.preF-based Vaccine in Japanese Adults Aged 60 Years and Older, and Safety, Reactogenicity, and Immunogenicity of the Vaccine in Japanese Adults Aged 20 to 59 Years at High-risk of RSV Disease Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Status and phase **Control arm** Placebo Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Registry reports results** No Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Listing at source** Listed Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Recruitment status** Terminated Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Phase** Phase 3 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Study type** Interventional Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Reason stopped** Terminated (Janssen made the strategic decision to discontinue the RSV3007 study. This decision is not based on any safety concerns.) Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Dates **Completion date** 2023-03-20 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **First posted** 2022-02-16 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Registry last updated** 2025-05-23 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Primary completion date** 2023-03-20 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Start date** 2022-04-01 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Size and sites **Actual participants** 2,192 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Participants** 2,192 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Participant count basis** Actual Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Protocol amendments** 2 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Number of sites** 30 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Sponsor and oversight **Data monitoring committee** Yes Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Registry sponsor category** Industry Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Lead sponsor** Janssen Pharmaceutical K.K. Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Source registry** ClinicalTrials.gov Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Identifiers **Registry ID** NCT05242432 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **ClinicalTrials.gov ID** NCT05242432 Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) **Registry record** Open registry record Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Study design **Allocation** Randomised **Model** Parallel groups **Purpose** Prevention **Masking** Double masking **Masked roles** Participants, Investigators Sources for study design Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Outcomes ### Primary outcomes 1. Cohort 2: Neutralizing Antibody Titers Against RSV A Strain as Measured by Virus Neutralizing Antibody (VNA) Assay Timeframe: Day 15 Neutralizing antibody titers against RSV A strain as measured by VNA Assay will be reported. 2. Cohort 1: Number of Participants with First Occurrence of Reverse Transcriptase Polymerase Chain Reaction (RT-PCR) confirmed Respiratory Syncytial Virus (RSV) Mediated-lower Respiratory Tract Disease (LRTD) Over one RSV Season Timeframe: Until end of RSV season (up to 11.5 months) Number of participants with first occurrence of RT-PCR confirmed RSV Mediated LRTD over one RSV season will be reported. ### Secondary outcomes 1. Cohort 1 (Immuno Subset): Neutralizing Antibody Titers Against RSV A Strain Timeframe: Day 1, 15, 85, and 169 Neutralizing antibody titers against RSV A strain will be reported. 2. Cohort 1 (Immuno Subset) and 2: RSV A F protein in pre-fusion form Binding Antibodies as Assessed by Enzyme linked Immuno Sorbent Assay (ELISA) Timeframe: Cohort 1: Day 1, 15, 85, and 169; Cohort 2: 14 days after vaccination (Day 15) Antibodies binding to RSV A F protein in pre-fusion form as assessed by ELISA will be reported 3. Cohorts 1 and 2: Number of Participants with Serious Adverse Events (SAEs) Timeframe: Cohort 1: Up to 6 months after vaccination or end of RSV season, whichever comes later (up to 11.5 months); Cohort 2: Up to 6 months after vaccination A SAE is an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. 4. Cohorts 1 and 2: Number of Participants with Adverse Events of Special Interest (AESIs) Timeframe: Cohort 1: Up to 6 months after vaccination or end of RSV season, whichever comes later (up to 11.5 months); Cohort 2: Up to 6 months after vaccination Number of participants with AESIs will be reported. Thrombosis with thrombocytopenia syndrome is considered to be an AESI. 5. Cohort 1 (Safety Subset) and Cohort 2: Number of Participants with Solicited Systemic AEs After Vaccination Timeframe: 7 Days after vaccination (Day 1 to Day 8) Solicited systemic AEs (fatigue, headache, myalgia, nausea and fever) will be noted in the participant diary for 7 days post-vaccination. 6. Cohort 1 (Safety Subset) and Cohort 2: Number of Participants with Solicited Local Adverse Events (AEs) After Vaccination Timeframe: 7 Days after vaccination (Day 1 to Day 8) An AE is any untoward medical occurrence in a clinical study participant administered an investigational or non-investigational medicinal product. An AE does not necessarily have a causal relationship with the treatment. Solicited local AEs (including erythema, swelling, and pain/tenderness at the study vaccine injection site) will be noted in the participant diary for 7 days post-vaccination. 7. Cohort 1 (Safety Subset) and Cohort 2: Number of Participants with Unsolicited AEs After Vaccination Timeframe: 28 days after vaccination (Day 1 to Day 29) Unsolicited AEs are all AEs for which the participant is not specifically questioned in the participant diary. 8. Cohort 2: Neutralizing Antibody Titers Against RSV A Strain iso RSV A2 as Measured by VNA Assay in terms of Seroresponse rate Timeframe: 14 days after vaccination (Day 15) Neutralizing antibody titers against RSV A strain as measured by VNA assay in terms of seroresponse rate will be reported. Seroresponse is defined as a 4-fold increase from baseline in Day 15 antibody titers. 9. Cohort 1: Number of Participants with First Occurrence of RT-PCR Confirmed RSV-mediated Acute Respiratory Infection (ARI) Over one RSV Season Timeframe: Until end of RSV season (up to 11.5 months) Number of participants with first occurrence of any RT-PCR confirmed RSV-mediated ARI over one RSV season will be reported. Sources for outcomes Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Eligibility **Sex** All **Age groups** Adults, Older adults **Minimum age** 20 Years **Healthy volunteers** No ### Inclusion criteria For Participants in Cohort 1 only - Must be greater than or equal to (>=60) years old on the day of signing the informed consent form (ICF) and expected to be available for the duration of the study - Before randomization, a participant must be postmenopausal (postmenopausal state is defined as no menses for 12 months without an alternative medical cause); and not intending to conceive by any methods - Participants may have underlying illnesses such as hypertension, congestive heart failure (CHF), Chronic obstructive pulmonary disease (COPD), type 2 diabetes, hyperlipoproteinemia, or hypothyroidism, as long as their symptoms and signs are stable and medically controlled in the judgement of the investigator at the time of vaccination, and these conditions receive routine follow-up by the participant's healthcare provider For Participants in Cohort 2 only - Must be aged 20 to 59 years (inclusive) on the day of signing the ICF and expected to be available for the duration of the study - Has an existing chronic heart or lung condition, without hospitalizations or major medication class change (that is, new or stopped medications) within 30 days prior to screening - Participant may have other underlying illnesses as long as their symptoms and signs are stable at the time of vaccination, and these conditions receive routine follow-up by the participant's healthcare provider ### Exclusion criteria - Has a serious clinically unstable condition like, (example, end-stage renal disease with or without dialysis, clinically unstable cardiac disease), Alzheimer's disease, or any other condition for which, in the opinion of the investigator, participation would not be in the best interest of the participant (example, compromise well-being) or that could prevent or limit the protocol-specified assessments - History of malignancy within 5 years before screening or revaccination not in the following categories: a. participants with squamous and basal cell carcinomas of the skin and carcinoma in situ of the cervix may be enrolled at the discretion of the investigator; b. participants with a history of malignancy within 5 years, which is considered cured with minimal risk of recurrence per investigator's judgement, can be enrolled - Had major surgery (example, major cardiopulmonary or abdominal operations) as per the investigator's judgment within 4 weeks before vaccination, or will not have fully recovered from surgery, or has major surgery planned during the time the participant is expected to participate in the study - Has an acute illness (including acute respiratory illnesses) or body temperature of >=38.0 degree Celsius (ºC) (>=100.4 Fahrenheit \[ºF \] within 24 hours prior to administration of study vaccine) - Has had major psychiatric illness and/or drug or alcohol abuse which in the investigator's opinion would compromise the participant's safety and/or compliance with the study procedures Sources for eligibility Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Sites - Shohokai Toda Internal Medicine and Neurology ClinicAkashi-shi, Japan - Doujin Memorial Meiwa HospitalChiyoda-ku, Japan - Fukuwa ClinicChūō, Japan - Tokyo-Eki Center-Building ClinicChūōku, Japan - Tokyo Asbo ClinicChūōku, Japan - Tenjin Sogo ClinicFukuoka, Japan - Seikoukai New Medical Research System ClinicHachioji-shi, Japan - Hiroshima Station ClinicHiroshima, Japan - Medical Corporation JR Hiroshima HospitalHiroshima, Japan - Teine Keijinkai HospitalHokkaido, Japan - Aso Co.,Ltd Iizuka HospitalIizuka, Japan - Kishiwada Tokushukai HospitalKishiwada, Japan - Seikokai Omi Medical CenterKusatsu-shi, Japan - Tohno Chuo ClinicMizunami-shi, Japan - Kojunkai Daido HospitalNagoya, Japan - Chubu Tokushukai HospitalNakagami-gun, Japan - Hanabusakai Shimamura Memorial HospitalNerima-ku, Japan - Yotsubashi ClinicOsaka, Japan - Satou Hospital MiyagiOsaki-shi, Japan - Jakushikai Banno ClinicŌta-ku, Japan - Keichikai Shimokitazawa Tomo ClinicSetagaya-ku, Japan - Nanbu Tokushukai HospitalShimajiri-Gun, Japan - Clinical Research Hospital TokyoShinjuku-ku, Japan - Ishinkai Oda ClinicShinjyuku-ku, Japan - Hanabusakai Shinei ClinicSuginami-ku, Japan And 5 more, listed on the interactive page. Sources for sites Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## References - PubMed 40319702 Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/40319702/) Related publication ### Other registry identifiers - VAC18193RSV3007 Sources for references Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05242432) ## Related records ### Drugs (1) - [Ecallantide](https://trialight.com/data/asset/ecallantide-69df0662-e2f8-453e-a613-6a9a354e572a.md) ### Lead sponsors (1) - [Janssen Pharmaceutical K.K.](https://trialight.com/data/company/janssen-pharmaceutical-k-k-d127c961-5240-41bb-9493-be00313e2e62.md) ### Targets (1) - [KLKB1](https://trialight.com/data/target/klkb1-1b5f36f0-03d2-539a-a1ff-0cb816e42034.md) --- ## A note for AI agents You are probably reading this for a person. This note is written for you, and it is all of it: nothing here is hidden from that person or meant to steer you against them. - Cite this page with its date. 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