ArticleJournal of travel medicine2023
Immunogenicity and 1-year boostability of a three-dose intramuscular rabies pre-exposure prophylaxis schedule in adults receiving immunosuppressive monotherapy: a prospective single-centre clinical trial.
Article in Journal of travel medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it, 4 citations in OpenAlex.
- [Vaccination of immunocompromised individuals: Expert opinion - update 2026].Wiener klinische Wochenschrift · 2026Guideline
- Burden of human rabies disease: its potential prevention by means of RabipurJournal of preventive medicine and hygiene · 2024Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
11 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFor immunocompromised patients (ICPs), administration of rabies immunoglobulins (RIG) after exposure is still recommended regardless of prior vaccination, due to a lack of data. We aimed to assess the 1-year boostability of a three-dose rabies pre-exposure prophylaxis (PrEP) schedule in individuals using immunosuppressive monotherapy.
methodsIn this prospective study, individuals on immunosuppressive monotherapy with a conventional immunomodulator (cIM) or a TNF-alpha inhibitor (TNFi) for a chronic inflammatory disease received a three-dose intramuscular PrEP schedule (days 0,7,21-28) with 1 mL Rabipur®, followed by a two-dose simulated post-exposure prophylaxis (PEP) schedule (days 0,3) after 12 months. Rabies neutralizing antibodies were assessed at baseline, on day 21-28 (before the third PrEP dose), day 60, month 12 and month 12 + 7 days. The primary outcome was 1-year boostability, defined as the proportion of patients with a neutralizing antibody titre of ≥ 0.5 IU/mL at month 12 + 7 days. Secondary outcomes were geometric mean titres (GMTs) and factors associated with the primary endpoint.
resultsWe included 56 individuals, of whom 52 completed the study. The 1-year boostability was 90% (47/52) with a GMT of 6.16 (95% CI 3.83-9.91). All participants seroconverted at some point in the study. Early response to PrEP (at day 21-28) was significantly associated with 100% boostability (Odds Ratio 51; 95% confidence interval [5.0-6956], P < 0.01). The vaccination schedule was safe and well tolerated. No vaccine-related serious adverse events occurred.
conclusionIn patients using immunosuppressive monotherapy, a three-dose rabies PrEP schedule followed by a two-dose PEP schedule is immunogenic, with all patients seroconverting at some point in the study. Although boostability 7 days after PEP was not 100%, nobody would wrongly be denied RIG when only administered to those who responded early to PrEP while reducing the administration of RIG by 73%.
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