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DRUG:

Keytruda (pembrolizumab)

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Other names: MK-3475, SCH 900475, 1374853-91-4, ORG 307488, SCH-900475, SCH900475, ORG 307488-0, MK 3475, MK3475
Company:
Merck (MSD)
Drug class:
PD1 inhibitor
Related drugs:
19h
Enrollment open
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Keytruda (pembrolizumab) • cisplatin • gemcitabine • 5-fluorouracil • Padcev (enfortumab vedotin-ejfv) • mitomycin
23h
PLANE-PC: Pembrolizumab and Lenvatinib in Advanced/Metastatic Neuroendocrine Prostate Cancer (clinicaltrials.gov)
P2, N=45, Active, not recruiting, University of Michigan Rogel Cancer Center | Trial completion date: Apr 2026 --> Apr 2027
Trial completion date
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SYP (Synaptophysin) • CHGA (Chromogranin A)
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Keytruda (pembrolizumab) • Lenvima (lenvatinib)
23h
Vebrekotuzumab ± Anti-PD-1 in Pretreated Advanced ESCC (clinicaltrials.gov)
P2, N=104, Recruiting, Fudan University | Suspended --> Recruiting
Enrollment open
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EGFR (Epidermal growth factor receptor)
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EGFR expression • EGFR positive
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Keytruda (pembrolizumab)
1d
Phase 2 study of talabostat, a small molecule inhibitor of dipeptidyl peptidases (DPP), administered in combination with pembrolizumab in patients with small cell neuroendocrine prostate cancer. (PubMed, J Immunother Cancer)
Talabostat plus pembrolizumab demonstrates preliminary anti-tumor activity in patients with relapsed SCNC. Further evaluation in a randomized study is warranted to assess the contribution of talabostat in this high-risk disease subset.
P2 data • Journal • Tumor mutational burden • PD(L)-1 Biomarker
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TMB (Tumor Mutational Burden) • DPP9 (Dipeptidyl Peptidase 9)
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TMB-L
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Keytruda (pembrolizumab) • talabostat (BXCL701)
1d
Broader gene representation by whole-exome sequencing improves accuracy of tumor mutational burden assessment for selection of pembrolizumab immunotherapy. (PubMed, Cancer Immunol Immunother)
Approximately, 10-11% of patients were potentially misclassified by panels. These findings emphasize the importance of broader gene representation for accurate TMB determination near the clinical threshold-especially in tumor types lacking disease-specific ICI indications, where tissue-agnostic MSI-High/dMMR or TMB-High labeling represents the principal on-label route to ICI therapy.
Journal • Tumor mutational burden • MSi-H Biomarker • PD(L)-1 Biomarker • IO biomarker
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TMB (Tumor Mutational Burden)
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TMB-H • MSI-H/dMMR • TMB-L
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Keytruda (pembrolizumab)
1d
Leukemia Cutis at Initial Diagnosis of Acute Myeloid Leukemia Consistent With Therapy-Related Disease After Lung Cancer Chemotherapy: A Case Report. (PubMed, Case Rep Hematol)
A 78-year-old woman with Stage IV NSCLC (adenocarcinoma, no actionable mutations, PD-L1 negative) initially received carboplatin, pemetrexed, and pembrolizumab, complicated by neutropenic fever. She later enrolled in the SHERLOC trial (MM-121 + docetaxel), discontinued due to colitis and neutropenia...The patient received hydroxyurea, transfusion support, and tumor lysis prophylaxis...LC at the time of initial AML diagnosis is uncommon and portends poor prognosis. Clinicians should remain vigilant for new skin lesions and cytopenias in cancer survivors previously exposed to chemotherapy, as early recognition of extramedullary AML may expedite timely diagnosis and care planning.
Journal • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1) • DNMT3A (DNA methyltransferase 1) • U2AF1 (U2 Small Nuclear RNA Auxiliary Factor 1) • CD4 (CD4 Molecule) • CD68 (CD68 Molecule) • PPM1D (Protein Phosphatase Mg2+/Mn2+ Dependent 1D) • SPN (Sialophorin)
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PD-L1 negative
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Keytruda (pembrolizumab) • carboplatin • docetaxel • pemetrexed • seribantumab (MM-121) • hydroxyurea
1d
Herpes Zoster Following Chemo-Immunotherapy With Pembrolizumab in Metastatic Non-small Cell Lung Cancer: A Case Report. (PubMed, Cureus)
This case illustrates herpes zoster reactivation during Pembrolizumab-based chemo-immunotherapy in metastatic NSCLC. It emphasizes the importance of systematically excluding infectious causes in new cutaneous eruptions under immunotherapy and supports multidisciplinary management. These findings also highlight the need to further explore VZV screening and vaccination strategies in cancer patients undergoing immunosuppressive treatments.
Journal • 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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Keytruda (pembrolizumab) • carboplatin • pemetrexed • Prolia (denosumab)
1d
Pembrolizumab and Involved Site Radiation Therapy for Early Stage Relapsed or Primary Refractory Hodgkin Lymphoma (clinicaltrials.gov)
P2, N=22, Active, not recruiting, Memorial Sloan Kettering Cancer Center | Trial completion date: Jun 2026 --> Jun 2027 | Trial primary completion date: Jun 2026 --> Jun 2027
Trial completion date • Trial primary completion date
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Keytruda (pembrolizumab)
1d
New P3 trial • Mismatch repair • pMMR
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TP53 (Tumor protein P53)
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Keytruda (pembrolizumab)
1d
CUE-101with Pembrolizumab for LA-HPV+HNSCCs (clinicaltrials.gov)
P2, N=30, Recruiting, Yale University | Not yet recruiting --> Recruiting
Enrollment open
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PD-L1 (Programmed death ligand 1) • CDKN2A (Cyclin Dependent Kinase Inhibitor 2A)
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Keytruda (pembrolizumab) • CUE-101
1d
Acquired Idiopathic Generalized Anhidrosis as a Late-Onset Immune-Related Adverse Event of Pembrolizumab in a Patient With Lung Adenocarcinoma: A Case Report and Review of the Literature. (PubMed, J Dermatol)
The patient was treated with three courses of methylprednisolone pulse therapy (1000 mg/day × 3 days) over 7 months and fexofenadine, resulting in partial sweating recovery and CEA decline to 3.0 ng/mL. Pembrolizumab was continued throughout without interruption, and the patient maintained durable stable disease (SD) over approximately 45 months (alive at last follow-up). This case demonstrates the histopathological spectrum of ICI-induced AIGA from inflammation to fibrosis within a single patient, and highlights CEA elevation as both a diagnostic clue and a potential pitfall in oncological practice.
Journal • Adverse events
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ROS1 (Proto-Oncogene Tyrosine-Protein Kinase ROS) • CEACAM5 (CEA Cell Adhesion Molecule 5)
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PD-L1 IHC 22C3 pharmDx
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Keytruda (pembrolizumab)
1d
A Comprehensive Immune Checkpoint Phenotype Predicts Response and Survival to PD-1 Blockade in Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma. (PubMed, Head Neck)
Coordinated expression of multiple inhibitory immune checkpoints identifies an inflamed tumor microenvironment associated with improved outcomes following PD-1 blockade in HNSCC.
Journal • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1) • LAG3 (Lymphocyte Activating 3) • HAVCR2 (Hepatitis A Virus Cellular Receptor 2) • IDO1 (Indoleamine 2,3-dioxygenase 1)
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PD-L1 expression
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Keytruda (pembrolizumab) • Opdivo (nivolumab)