Alejandro Vallejo is an expert in Infectiology at Hospital Universitario Ramón y Cajal (Spain). Alejandro Vallejo has authored 111 publications, the most recent in 2026, and is an investigator in 6 clinical trials, 1 of them ongoing. SLR score: 398 (community average: 125). How the SLR is computed.

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398 ScienceLeadR Reputation 398
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Infectiology

Subspecialties: Public Health - Oncology - Pharmacy

Full career – Last 3 years

Main Topics

Publications and Clinical Studies

Publications – Clinical Studies

Profile data updated on

Expert Rankings

Top experts on the MeSH terms this expert works on

Organizations

Career arc: 1989 - 2026

Source: PubMed

Hospital Universitario Ramón y Cajal

Publications Synthesis

Sources: PubMed, OpenAlex

Number : 111

Citations

Citations: 2 033 1st author: 19 Last author: 28 Unique author: 1


Breakdown by type

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Latest Publications

5 most recent indexed articles

Source: Pubmed

Title Journal Year Citations
Low Baseline RPR Titers and Serological Response: Persistent Questions Among People with HIV.
PMID 42867302 — communicable diseases
Clin Infect Dis20260
Persistence of late HIV diagnosis and poorer response to antiretrovirals: a comparison between migrants and native-born people with HIV in Spain.
PMID 42119887 — anti-retroviral agents, microbiology, parasitic diseases, diagnosis, therapeutics, communicable diseases, infections
Clin Microbiol Infect20260
Long-Term Serologic Outcomes Following Treatment of Syphilis in People With HIV: A Prospective Cohort Study.
PMID 41846571 — cd4 lymphocyte count, syphilis, cohort studies, hiv, therapeutics, communicable diseases
Clin Infect Dis20260
Towards tuberculosis elimination in people with HIV on antiretroviral therapy: evidence from a two-decade nationwide cohort in Spain.
PMID 41792852 — incidence, hiv, tuberculosis, risk factors, therapeutics
Infect Dis Poverty20260
Nationwide Implementation of Double Reflex Testing for Hepatitis Delta in Spain: Results From the Retrospective Phase of the Spain-DDR Study.
PMID 41603079 — research design, hepatitis d, antigens, surface, hepatitis delta virus, hepatitis delta antigens, viral load, reflex, pharmacology, viruses, prevalence, therapeutics, hepatitis
Aliment Pharmacol Ther20260

Clinical Studies 6

Sources: ClinicalTrials, EU CTIS

Synthesis

By phase:

N/A 2
Phase 4 2
Phase 1/Phase 2 1
Phase 2 1

By status:

Completed 5
Recruiting 1

By type:

Interventional 4
Observational 2

By Monocentric/Multicentric:

monocentric 6
multicentric2to4 0
multicentric5to9 0
multicentricup10 0

Main Topics

Cohort/Consortium Investigators 9

Ongoing Clinical Trials

Ongoing trial started since 2021, where this expert is an investigator

Source: ClinicalTrials

Study Phase Status Start
Differences in Immune Response Among HIV 1 infected Individuals With Previous or Current COVID 19 (CoVIHDis)
NCT04526977 — cytokines, toll-like receptors, cells, hiv-1, sars-cov-2, immunoglobulins, hiv, covid-19, immunity, severe acute respiratory syndrome-related coronavirus, t-lymphocytes, infections, plasma
N/ARecruiting2021

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