Real-World Evidence on the Effectiveness of Pembrolizumab in Patients With Recurrent/Metastatic/Unresectable Head and Neck Squamous Cell Cancer: A Systematic Review and Meta-Analysis
2025

Effectiveness of Pembrolizumab in Head and Neck Cancer

Sample size: 1454 publication 10 minutes Evidence: low

Author Information

Author(s): Muacevic Alexander, Adler John R, Meenu Meenakshi, Dhiman Pravesh, Kumar Muninder, Pradhan Pranita, Pandey Shivam

Primary Institution: All India Institute of Medical Sciences, Bilaspur

Hypothesis

What is the effectiveness and safety of pembrolizumab in patients with recurrent or metastatic or unresectable head and neck squamous cell cancer in real-world practice?

Conclusion

Pembrolizumab monotherapy showed a better overall response rate and fewer adverse events compared to combination therapy with chemotherapy.

Supporting Evidence

  • Pembrolizumab monotherapy improved overall response rates compared to combination therapy.
  • Adverse events were reported less frequently in the monotherapy group.
  • Overall survival rates were similar between monotherapy and combination therapy.

Takeaway

This study looked at how well a cancer drug called pembrolizumab works for patients with a specific type of head and neck cancer. It found that using pembrolizumab alone is often better than using it with other treatments.

Methodology

A systematic review and meta-analysis of real-world data from studies on pembrolizumab in head and neck cancer.

Potential Biases

High risk of selection bias and outcome assessment bias due to the non-randomized nature of the studies.

Limitations

The studies included were retrospective and had a high risk of bias, limiting the strength of the evidence.

Participant Demographics

Included patients with recurrent/metastatic/unresectable head and neck squamous cell carcinoma, with varying ages and health statuses.

Statistical Information

P-Value

0.61

Confidence Interval

0.45 to 0.84

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.7759/cureus.76709

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