ArticleRMD open2026
PD1
Article in RMD open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundProgrammed cell death protein 1 (PD-1) and T cell immunoreceptor with Ig and ITIM domains (TIGIT) are immune checkpoints expressed on T cells. Despite recent development of PD-1 agonists in rheumatoid arthritis (RA), little is known about PD-1 and TIGIT coexpression in RA and other immune-mediated inflammatory diseases (IMIDs). This study quantified PD-1 and TIGIT expression in CD4 and CD8 T cells in patients with IMID and examined associations with disease characteristics and anti-tumour necrosis factor (TNF) response.
methodsBiologics-naïve patients with RA and spondyloarthritis (AS) were followed prospectively to assess anti-TNF response at 12 months. Sjögren's disease (SjD) patients and healthy volunteers (HV) were also included at baseline. PD-1 and TIGIT expression on CD4 and CD8 T cells was analysed by flow cytometry at baseline and after 3 months of anti-TNF treatment. Plasma cytokines were quantified using the Meso Scale Discovery assay.
results67 patients were included. Median CD8
conclusionCD8
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.