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DRUG:

Keytruda (pembrolizumab)

i
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:
21h
Enrollment open
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Keytruda (pembrolizumab) • carboplatin • albumin-bound paclitaxel • intismeran autogene (mRNA-4157)
21h
Efficacy and Safety of Different Treatment Regimens for Previously Untreated Patients with HER2-positive Advanced Gastric Cancer: A Meta-Analysis of Randomized Controlled Trials. (PubMed, J Gastrointest Cancer)
No first-line regimen significantly improved OS or PFS in HER2-positive advanced gastric cancer. However, HLX22-based and immune-combination strategies show potential clinical value-particularly in enhancing ORR-and merit further investigation.
Clinical • Retrospective data • Review • Journal
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HER-2 (Human epidermal growth factor receptor 2)
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HER-2 positive
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Keytruda (pembrolizumab) • Hercessi (trastuzumab-strf)
1d
Frontline sigvotatug vedotin plus pembrolizumab vs pembrolizumab for non-small cell lung cancer with PD-L1 tumor proportion score ≥50%: phase III study design. (PubMed, Future Oncol)
Approximately 714 patients will be randomized 1:1. The dual primary endpoints are progression-free survival as assessed by blinded independent central review per Response Evaluation Criteria in Solid Tumors v1.1 and overall survival; secondary endpoints include additional efficacy, safety and tolerability, pharmacokinetics, and immunogenicity endpoints.Clinical trial registration: NCT06758401 (https://clinicaltrials.gov/study/NCT06758401).
P3 data • Journal • Tumor proportion score • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1)
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Keytruda (pembrolizumab) • sigvotatug vedotin (PF-08046047)
2d
Pembrolizumab in Neoplasms or Lymphomas (clinicaltrials.gov)
P2, N=18, Suspended, Dana-Farber Cancer Institute | Trial completion date: Aug 2025 --> Mar 2026
Trial completion date
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Keytruda (pembrolizumab)
2d
Immunotherapy for urological cancers in 2025 (PubMed, Magy Onkol)
By 2025, immunotherapy has become the therapeutic basis for UC and RCC, both in metastatic and curative treatments. In PCa and TGCT, immunotherapy options remain in the experimental phase, but research is ongoing with new combinations and biomarker-driven strategies.
Review • Journal • MSi-H Biomarker • PD(L)-1 Biomarker • IO biomarker
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MSI (Microsatellite instability)
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MSI-H/dMMR
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Keytruda (pembrolizumab) • cisplatin • Padcev (enfortumab vedotin-ejfv)
2d
A nyelőcső-, GEJ- és gyomordaganatok immunterápiája. (PubMed, Magy Onkol)
In esophageal tumors, adjuvant nivolumab is used. Among HER2-positive patients, adding pembrolizumab to trastuzumab and chemotherapy - in PDL1 CPS ≥1 cases - has become a new standard. A special mention must be made of MSI-H tumors, in which immunotherapy is highly effective, and adjuvant chemotherapy is not recommended according to current guidelines.
Review • Journal
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HER-2 (Human epidermal growth factor receptor 2) • MSI (Microsatellite instability)
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HER-2 positive • MSI-H/dMMR
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Keytruda (pembrolizumab) • Opdivo (nivolumab) • Herceptin (trastuzumab)
2d
Progress in immunotherapy for resectable head and neck squamous cell carcinoma. (PubMed, Med Oncol)
This report conducts a systematic review of four principal studies: ① The KEYNOTE-689 trial was the inaugural study to establish that "pembrolizumab combined with standard therapy" diminishes the risk of disease progression or mortality by 34% in patients with Programmed Cell Death-L1(PD-L1) CPS ≥ 10, resulting in Food and Drug Administration (FDA) approval; ② The NIVOPOSTOP trial revealed that adjuvant nivolumab alongside CRT significantly improved 3-year disease-free survival (DFS) (63.1% vs. 52.5%), with efficacy unaffected by PD-L1 status; ③ The C-POST trial indicated a substantial DFS advantage with adjuvant cemiplimab in high-risk skin squamous cell carcinoma (HR = 0.32);④ The NeoRTPC02 trial innovatively integrated low-dose radiotherapy with immune chemotherapy, achieving a pathological complete response(pCR) rate of 60.9%. Nonetheless, the ideal treatment approach, strategies for reducing radiation dosage, preservation of organ function, and selection of biomarkers necessitate additional confirmation. Future efforts must focus on interdisciplinary collaboration to enhance tailored precision treatment protocols, aiming to improve the 5-year survival rate of HNSCC while maintaining organ function and quality of life.
Review • Journal • PD(L)-1 Biomarker • IO biomarker
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PD-L1 (Programmed death ligand 1)
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Keytruda (pembrolizumab) • Opdivo (nivolumab) • Libtayo (cemiplimab-rwlc)
3d
Inflammation-driven mechanisms in endometrial cancer: pathways from inflammatory microenvironment remodeling to immune escape. (PubMed, Front Immunol)
Advancements in single-cell analysis and spatial transcriptomics are anticipated to unveil actionable molecular patterns and support the development of individualized strategies to interrupt immune evasion and therapeutic resistance in EC. These advances offer promise for personalized immunotherapy approaches that could significantly improve outcomes in endometrial cancer patients.
Review • Journal • PD(L)-1 Biomarker • IO biomarker
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PD-1 (Programmed cell death 1) • IL6 (Interleukin 6) • TNFA (Tumor Necrosis Factor-Alpha) • STAT3 (Signal Transducer And Activator Of Transcription 3) • IL10 (Interleukin 10) • TGFB1 (Transforming Growth Factor Beta 1)
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Keytruda (pembrolizumab) • Lenvima (lenvatinib)
3d
A phase III placebo-controlled study of eftilagimod alfa plus pembrolizumab and chemotherapy in metastatic non-small cell lung cancer. (PubMed, Future Oncol)
TACTI-004 will evaluate whether efti can mitigate resistance to ICIs when added to SoC in NSCLC, irrespective of PD-L1 tumor status. www.clinicaltrials.gov identifier is NCT06726265.
P3 data • Journal • PD(L)-1 Biomarker • IO biomarker
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EGFR (Epidermal growth factor receptor) • PD-L1 (Programmed death ligand 1) • ALK (Anaplastic lymphoma kinase) • ROS1 (Proto-Oncogene Tyrosine-Protein Kinase ROS)
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PD-L1 expression • PD-L1 underexpression
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Keytruda (pembrolizumab) • ImmuFact (eftilagimod alpha)
3d
PA16 Uncharted territory: metastasizing atypical deep penetrating naevus/melanocytoma in a teenage patient. (PubMed, Br J Dermatol)
Treatment similar to that of melanoma was commenced with pembrolizumab, which he completed without significant side-effects...Paediatric metastatic atypical DPN is not documented. Paediatric oncology supraspecialist MDT consensus was mandatory for management and support for our patient.
Journal • PD(L)-1 Biomarker
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BRAF (B-raf proto-oncogene) • TERT (Telomerase Reverse Transcriptase) • PRAME (Preferentially Expressed Antigen In Melanoma)
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BRAF mutation • BRAF V600
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Keytruda (pembrolizumab)
3d
BI31 A case of unusual umbilical lichen planus associated with pembrolizumab. (PubMed, Br J Dermatol)
Umbilical involvement in LP is exceedingly rare, with only three cases reported in the literature, including one instance of nivolumab-induced umbilical LP (Martos-Cabrera L, Lladó I, Fernández-Rico P, Butrón-Bris B, Rodríguez-Jiménez P. Umbilical lichen planus induced by nivolumab. Increasing reports of atypical lichenoid reactions highlight the spectrum of these events. Our report adds evidence of umbilical and psoriasiform LP as a distinct clinical pattern, highlighting the importance of awareness among oncologists and dermatologists.
Journal
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IFNG (Interferon, gamma) • IL2 (Interleukin 2) • IL17A (Interleukin 17A)
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Keytruda (pembrolizumab) • Opdivo (nivolumab)
3d
New P2 trial
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PD-L1 (Programmed death ligand 1)
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PD-L1 IHC 22C3 pharmDx
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Keytruda (pembrolizumab)