^
    1d
    [18F]AlF-NOTA-PCP2 PET/CT to Assess PD-L1 Status in Head and Neck Cancer: Head-to-Head Comparison With [18F]FDG PET/CT. (PubMed, Clin Nucl Med)
    [18F]AlF-NOTA-PCP2 PET/CT provides a superior, noninvasive approach for evaluating PD-L1 expression in HNC. Its high specificity for PD-L1 and favorable biodistribution position it as a promising tool for monitoring immunotherapy responses and informing treatment decisions.
    Clinical • Journal • Head-to-Head • PD(L)-1 Biomarker • IO biomarker
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    PD-L1 (Programmed death ligand 1)
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    PD-L1 expression
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    PD-L1 IHC 22C3 pharmDx
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    Keytruda (pembrolizumab)
    2d
    PD-L1 phenotype classification based on expression in tumor and immune cells as a potential biomarker for optimizing anti-PD-1/CTLA-4 immunotherapies in NSCLC. (PubMed, J Immunother Cancer)
    Patients with NSCLC and low TPS/high IC scores may benefit more from Nivo+Ipi than from Pembro due to distinct genomic and immunological features, including high TMB and Treg fraction.
    Observational data • Retrospective data • Journal • Tumor mutational burden • PD(L)-1 Biomarker • IO biomarker
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    PD-L1 (Programmed death ligand 1) • TMB (Tumor Mutational Burden) • CTLA4 (Cytotoxic T-Lymphocyte Associated Protein 4)
    |
    PD-L1 expression • TMB-H
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    PD-L1 IHC 22C3 pharmDx • VENTANA PD-L1 (SP142) Assay
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    Keytruda (pembrolizumab) • Opdivo (nivolumab) • Yervoy (ipilimumab)
    5d
    Study of Binimetinib in Combination With Pembrolizumab in Advanced Non-Small Cell Lung Cancer (clinicaltrials.gov)
    P1, N=40, Recruiting, University Health Network, Toronto | Trial primary completion date: Dec 2025 --> Aug 2026
    Trial primary completion date
    |
    EGFR (Epidermal growth factor receptor) • PD-L1 (Programmed death ligand 1) • KRAS (KRAS proto-oncogene GTPase) • BRAF (B-raf proto-oncogene) • ALK (Anaplastic lymphoma kinase) • STK11 (Serine/threonine kinase 11)
    |
    KRAS mutation • BRAF mutation • ALK rearrangement • EGFR wild-type • STK11 mutation
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    PD-L1 IHC 22C3 pharmDx
    |
    Keytruda (pembrolizumab) • Mektovi (binimetinib)
    14d
    Best Practice PD-L1 Staining and Interpretation in Gastric Cancer Using PD-L1 IHC PharmDx 22C3 and PD-L1 IHC PharmDx 28-8 Assays, with Reference to Common Issues and Solutions. (PubMed, Biomedicines)
    Techniques are available that can optimize the automated staining of PharmDx PD-L1 assays using the Autostainer Link 48 to ensure consistent staining performance. The PD-L1 IHC PharmDx 22C3 and PD-L1 IHC PharmDx 28-8 assays show high concordance when used according to manufacturers' guidelines.
    Journal • PD(L)-1 Biomarker • IO biomarker
    |
    PD-L1 (Programmed death ligand 1)
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    PD-L1 IHC 22C3 pharmDx • PD-L1 IHC 28-8 pharmDx
    14d
    Clinicopathological Implications of Maspin, CD8, and PD-L1 Expression in Liposarcomas. (PubMed, Curr Issues Mol Biol)
    Despite low overall expression rates, PD-L1 could serve as a prognostic biomarker and a potential target for immunotherapeutic strategies in liposarcomas. Further studies are necessary to standardize PD-L1 assessment and explore effective immunotherapy approaches for these tumors.
    Journal • PD(L)-1 Biomarker • IO biomarker
    |
    PD-L1 (Programmed death ligand 1) • CD8 (cluster of differentiation 8)
    |
    PD-L1 expression • PD-L1 overexpression
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    PD-L1 IHC 22C3 pharmDx • PD-L1 IHC 28-8 pharmDx
    16d
    Sarcomatoid carcinoma of the prostate - A single institution experience with emphasis on molecular genetic findings. (PubMed, Hum Pathol)
    This study sheds light on the molecular landscape of SCP, which may be valuable to elucidate the prognostic and therapeutic implications for this uncommon disease.
    Journal • BRCA Biomarker • PD(L)-1 Biomarker • IO biomarker
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    PD-L1 (Programmed death ligand 1) • TP53 (Tumor protein P53) • BRCA2 (Breast cancer 2, early onset) • PTEN (Phosphatase and tensin homolog) • RB1 (RB Transcriptional Corepressor 1) • CTNNB1 (Catenin (cadherin-associated protein), beta 1)
    |
    PD-L1 expression
    |
    PD-L1 IHC 22C3 pharmDx • VENTANA PD-L1 (SP263) Assay • VENTANA PD-L1 (SP142) Assay
    19d
    Prognostic value of manual and digital PD-L1 expression in pT3 and pT4 colon cancer. (PubMed, Diagn Pathol)
    Our results suggest that high PD-L1 expression is associated with longer OS. In future studies examining PD-L1 expression as a prognostic biomarker in CC, assessing PD-L1 expression using a digital approach or the CPS can be recommended.
    Journal • PD(L)-1 Biomarker • IO biomarker
    |
    PD-L1 (Programmed death ligand 1)
    |
    PD-L1 expression • PD-L1 overexpression
    |
    PD-L1 IHC 22C3 pharmDx
    19d
    PD-L1 expression in gastric cancer assessed with antibodies 28-8 and 22C3. (PubMed, Sci Rep)
    However, both assays demonstrated a concordance rate of 61%. In the study population, the subgroup with a Combined Positive Score (CPS) ≥ 10 was the most prevalent, suggesting that high PD-L1 expression is relatively common and potentially clinically relevant in this cohort.
    Observational data • Retrospective data • Journal • PD(L)-1 Biomarker • IO biomarker
    |
    PD-L1 (Programmed death ligand 1)
    |
    PD-L1 expression • PD-L1 overexpression
    |
    PD-L1 IHC 22C3 pharmDx • PD-L1 IHC 28-8 pharmDx
    21d
    DIAMOND: Investigating Datopotamab Deruxtecan Plus Durvalumab Versus Datopotamab Deruxtecan in Patients With PDL1-negative Metastatic Triple-negative Breast Cancer (clinicaltrials.gov)
    P2, N=140, Recruiting, Queen Mary University of London | Not yet recruiting --> Recruiting
    Enrollment open
    |
    PD-L1 IHC 22C3 pharmDx
    |
    Imfinzi (durvalumab) • Datroway (datopotamab deruxtecan-dlnk)
    23d
    Olaparib and Durvalumab With Carboplatin, Etoposide, and/or Radiation Therapy for the Treatment of Extensive-Stage Small Cell Lung Cancer, PRIO Trial (clinicaltrials.gov)
    P1/2, N=63, Active, not recruiting, M.D. Anderson Cancer Center | Recruiting --> Active, not recruiting
    Enrollment closed • Tumor mutational burden
    |
    PD-L1 IHC 22C3 pharmDx
    |
    Lynparza (olaparib) • carboplatin • Imfinzi (durvalumab) • etoposide IV
    27d
    Cost-effectiveness of PD-L1 testing to guide immunotherapy for patients with advanced non-small-cell lung cancer in China. (PubMed, J Comp Eff Res)
    The VENTANA PD-L1 (SP263) Assay, which can guide multiple immune checkpoint inhibitor monotherapies (e.g., atezolizumab and pembrolizumab) for advanced NSCLC patients, achieved a higher percentage of successfully diagnosed and treated, and a higher quality-adjusted life-year at a lower cost compared with Dako PD-L1 IHC 22C3 assay and Dako 22C3 antibody concentrate. The robustness of the base case results was confirmed by both one-way sensitivity analysis and probabilistic sensitivity analysis. The VENTANA PD-L1 (SP263) Assay is cost-effective compared with Dako PD-L1 IHC 22C3 assay and Dako 22C3 antibody concentrate for the immunotherapy treatment for advanced NSCLC patients in China.
    Journal • HEOR • Cost-effectiveness
    |
    PD-L1 (Programmed death ligand 1)
    |
    PD-L1 IHC 22C3 pharmDx • VENTANA PD-L1 (SP263) Assay
    |
    Keytruda (pembrolizumab) • Tecentriq (atezolizumab)
    28d
    Combining molecular patterns and clinical data for better immune checkpoint inhibitor prediction in metastatic urothelial carcinoma. (PubMed, Cancer Immunol Immunother)
    Our real-life cohort analysis confirms the limitations of standalone biomarkers like PD-L1. We identified gene expression-based markers with strong prognostic and predictive value for ICI treatment outcomes.
    Clinical • Clinical data • Journal • Checkpoint inhibition • PD(L)-1 Biomarker • IO biomarker
    |
    CXCL12 (C-X-C Motif Chemokine Ligand 12) • HLA-E (Major Histocompatibility Complex, Class I, E) • IRF7 (Interferon Regulatory Factor 7) • PSMB10 (Proteasome 20S Subunit Beta 10)
    |
    PD-L1 expression
    |
    PD-L1 IHC 22C3 pharmDx