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BIOMARKER:

PD-L1 expression + HER-2 overexpression

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Other names: PD-L1, CD274, HPD-L1, PD-L1, B7H1, PDL1, Programmed death ligand 1, B7-H1, B7-H, PDCD1L1, PDCD1LG1, PDCD1 Ligand 1, B7 homolog 1, CD274 Antigen, Programmed cell death 1 ligand 1, CD274 molecule, ERBB2, CD340, HER-2, HER2, NEU, NGL, V-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2
Entrez ID:
11d
CHANCES: A Phase 1 First-In-Human Study of the Anti-CD73 IPH5301 Alone or in Combination With Chemotherapy and Trastuzumab in Patients With Advanced Solid Tumors (clinicaltrials.gov)
P1, N=27, Recruiting, Institut Paoli-Calmettes | Trial completion date: Feb 2026 --> Mar 2027 | Trial primary completion date: Mar 2025 --> Mar 2027
Trial completion date • Trial primary completion date • First-in-human
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PD-L1 (Programmed death ligand 1) • ER (Estrogen receptor) • PGR (Progesterone receptor) • BRCA (Breast cancer early onset)
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PD-L1 expression • HER-2 positive • HER-2 amplification • HER-2 expression • BRCA mutation • PD-L1 expression + HER-2 overexpression
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Herceptin (trastuzumab) • paclitaxel • IPH5301
21d
Advances in the management of metastatic gastric cancer: current strategies and emerging therapeutics. (PubMed, Nat Rev Clin Oncol)
Complementary platforms including circulating tumour DNA and theranostic agents are also being explored to better guide treatment selection, facilitate non-invasive monitoring and enable early response assessments. In this Review, we summarize the current standard of care for patients with metastatic gastric cancer and also highlight emerging approaches aimed at improving the outcomes in these patients.
Review • Journal • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • CLDN18 (Claudin 18)
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PD-L1 expression • HER-2 positive • HER-2 expression • PD-L1 expression + HER-2 overexpression
23d
Evaluation of T1 and T2 mapping for non-invasive assessment of HER2 and PD-L1 expression in bladder cancer. (PubMed, Abdom Radiol (NY))
Preliminary evidence suggests that T1 and T2 mapping can yield reproducible quantitative metrics, which may offer a means to non-invasively assess HER2 and PD-L1 expression in bladder cancer.
Journal • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1)
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PD-L1 expression • HER-2 expression • PD-L1 negative • PD-L1 expression + HER-2 overexpression
2ms
Enrollment change • Trial completion date • Trial primary completion date
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HER-2 (Human epidermal growth factor receptor 2) • BRAF (B-raf proto-oncogene) • ALK (Anaplastic lymphoma kinase)
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PD-L1 expression • EGFR mutation • HR positive • BRAF mutation • HER-2 negative • EGFR L858R • HER-2 expression • EGFR exon 19 deletion • ALK rearrangement • PD-L1 expression + HER-2 overexpression • HER-2 negative + HR negative
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itraconazole • pumitamig (BNT327)
3ms
Harnessing albumin's natural tumor-targeting properties: nanoplatform strategies for triple-negative breast cancer therapy. (PubMed, Discov Nano)
We analyze diverse therapeutic payloads, including conventional chemotherapeutics (paclitaxel, doxorubicin, and docetaxel), natural products (curcumin and resveratrol), and molecular therapeutics (siRNAs and CRISPR/Cas9) delivered via albumin nanoplatforms. The clinical evidence supporting nab-paclitaxel in combination with immune checkpoint inhibitors has demonstrated significant improvements in progression-free survival and objective response rates in PD-L1-positive mTNBC patients, whereas real-world studies have confirmed manageable safety profiles...Future directions emphasize the development of multistimuli-responsive albumin nanocarriers, integration with gene editing and immunotherapy, artificial intelligence-guided design optimization, and precision medicine strategies tailored to individual tumor profiles. The convergence of the natural tumor affinity of albumin with advanced nanotechnology holds substantial promise for overcoming drug resistance, enhancing therapeutic specificity, and improving clinical outcomes in TNBC patients, positioning albumin-based nanomedicine as a transformative approach in precision oncology.
Review • Journal • PD(L)-1 Biomarker • IO biomarker
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EGFR (Epidermal growth factor receptor) • HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • ER (Estrogen receptor) • PGR (Progesterone receptor) • CXCR4 (Chemokine (C-X-C motif) receptor 4)
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PD-L1 expression • HER-2 expression • PD-L1 expression + HER-2 overexpression
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docetaxel • doxorubicin hydrochloride • albumin-bound paclitaxel
4ms
Exploring novel therapeutic targets in vulvar squamous cell carcinoma. (PubMed, Gynecol Oncol)
These findings are hypothesis generating and provide rationale for future clinical trials of ADCs and immune checkpoint inhibitors in VSCC. Results suggest HPV-independent tumors may be immunogenically active.
Journal • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • TP53 (Tumor protein P53) • CLDN18 (Claudin 18) • CD8 (cluster of differentiation 8) • PD-1 (Programmed cell death 1) • FOLR1 ( Folate receptor alpha ) • NECTIN4 (Nectin Cell Adhesion Molecule 4) • CD68 (CD68 Molecule) • TACSTD2 (Tumor Associated Calcium Signal Transducer 2)
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HER-2 expression • PD-L1 expression + HER-2 overexpression
5ms
Molecular and Immunohistochemical Biomarkers in Colorectal Carcinoma - A Single Center Study. (PubMed, Balkan J Med Genet)
From 36 HER2 positive cases, 32(32,5%) were with score 2+, and 4(4,4%) with score 3+. Continued research into molecular mechanisms and biomarkers holds the promise of further improving CRC outcomes through personalized and effective interventions.
Journal • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • KRAS (KRAS proto-oncogene GTPase) • BRAF (B-raf proto-oncogene) • NRAS (Neuroblastoma RAS viral oncogene homolog)
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PD-L1 expression • HER-2 positive • KRAS mutation • BRAF mutation • NRAS mutation • HER-2 expression • PD-L1 expression + HER-2 overexpression
5ms
Perioperative pembrolizumab, trastuzumab and FLOT in HER2-positive localized esophagogastric adenocarcinoma: a phase 2 trial. (PubMed, Nat Med)
These findings support the feasibility and antitumor activity of perioperative chemoimmunotherapy targeting HER2 and PD-1 and warrant further validation in randomized trials. ClinicalTrials.gov registration: NCT05504720 .
P2 data • Journal • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • PD-1 (Programmed cell death 1)
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HER-2 positive • HER-2 expression • PD-L1 expression + HER-2 overexpression
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Keytruda (pembrolizumab) • Herceptin (trastuzumab)
6ms
Cystic-Like HER2-Positive Breast Cancer with Low Tumor-Infiltrating Lymphocytes and High Programmed Death-Ligand 1 Expression in a Young Woman: A Case Report. (PubMed, Case Rep Oncol)
Adjuvant therapy with the TCbHP regimen (docetaxel, carboplatin, pertuzumab, and trastuzumab) was initiated, with a total of six cycles planned, followed by maintenance therapy with trastuzumab and pertuzumab (HP) for 1 year. To date, the patient has tolerated the treatment well without evidence of distant recurrence or metastasis. This case underscores the discordance between radiological and pathological findings in breast cancer, highlighting the clinical significance of low TILs and high PD-L1 expression in HER2-positive tumors, and emphasizes the importance of individualized surgical and adjuvant treatment strategies.
Journal • Tumor-infiltrating lymphocyte • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1)
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PD-L1 expression • HER-2 positive • PD-L1 overexpression • HER-2 expression • PD-L1 expression + HER-2 overexpression
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Herceptin (trastuzumab) • carboplatin • docetaxel • Perjeta (pertuzumab) • DA 3111 (trastuzumab biosimilar)
1year
BEGONIA: A Study of Novel Anti-cancer Agents in Patients With Metastatic Triple Negative Breast Cancer (clinicaltrials.gov)
P1/2, N=243, Active, not recruiting, AstraZeneca | Trial completion date: Nov 2024 --> Feb 2027
Trial completion date
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1)
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PD-L1 expression • HER-2 expression • PD-L1 expression + HER-2 overexpression
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Imfinzi (durvalumab) • paclitaxel • Enhertu (fam-trastuzumab deruxtecan-nxki) • Truqap (capivasertib) • Datroway (datopotamab deruxtecan-dlnk) • oleclumab (MEDI9447)
over1year
Expression of therapy target molecules in esophagogastric junction and Barrett's adenocarcinoma. (PubMed, Gastric Cancer)
Most EGJ and Barrett's adenocarcinomas may be eligible for molecular targeted therapy. Appropriate patient stratification based on these molecular tests will be important for precision medicine of the EGJ and Barrett's adenocarcinoma.
Journal • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • CLDN18 (Claudin 18)
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HER-2 positive • HER-2 amplification • HER-2 expression • PD-L1 expression + HER-2 overexpression
over1year
Claudin-18 and Mutation Surrogate Immunohistochemistry in Gastric-type Endocervical Lesions and their Differential Diagnoses. (PubMed, Am J Surg Pathol)
Once a gastric-type phenotype is confirmed, mutation surrogate immunostains can be used to support a diagnosis of GAS. PD-L1 and HER2 expression is seen in a subset of GAS offering therapeutic options for this aggressive tumor.
Journal • PD(L)-1 Biomarker • IO biomarker
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HER-2 (Human epidermal growth factor receptor 2) • PD-L1 (Programmed death ligand 1) • TP53 (Tumor protein P53) • PGR (Progesterone receptor) • STK11 (Serine/threonine kinase 11) • CDKN2A (Cyclin Dependent Kinase Inhibitor 2A) • CLDN18 (Claudin 18) • MTAP (Methylthioadenosine Phosphorylase) • SMAD4 (SMAD family member 4)
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PD-L1 expression • TP53 mutation • HER-2 expression • STK11 mutation • TP53 expression • PD-L1 expression + HER-2 overexpression