Clinical and immunological assessment of Mycobacterium vaccae (SRL172) with chemotherapy in patients with malignant mesothelioma
2002

Assessing Mycobacterium vaccae with Chemotherapy in Mesothelioma Patients

Sample size: 16 publication Evidence: moderate

Author Information

Author(s): Mendes R, O'Brien M E R, Mitra A, Norton A, Gregory R K, Padhani A R, Bromelow K V, Winkley A R, Ashley S, Smith I E, Souberbielle B E

Primary Institution: The Royal Marsden Hospital NHS Trust

Hypothesis

Can intratumoural/intrapleural SRL172 combined with standard chemotherapy improve outcomes in patients with malignant mesothelioma?

Conclusion

SRL172 can be safely administered in combination with chemotherapy, showing a partial response rate of 37.5% in patients with malignant mesothelioma.

Supporting Evidence

  • There were six out of 16 partial responses (37.5%) observed.
  • Patients showed an increase in activated natural killer cells post-treatment.
  • The study established a safe dose for future phase II testing.

Takeaway

This study tested a new treatment for a type of lung cancer called mesothelioma, and it found that adding a special vaccine to regular chemotherapy can help some patients feel better.

Methodology

Patients received standard chemotherapy along with intratumoural/intrapleural SRL172 injections, and were assessed for toxicity and response through imaging and blood tests.

Potential Biases

Potential bias due to the small number of patients and the nature of the treatment being tested.

Limitations

The study had a small sample size and was limited to patients with advanced disease.

Participant Demographics

Mean age 62 years, 12 males and 4 females, with a majority having epithelial mesothelioma.

Statistical Information

P-Value

0.02

Statistical Significance

p=0.02

Digital Object Identifier (DOI)

10.1038/sj/bjc/6600063

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