Cisplatin and Nausea: Changes in Serotonin Levels
Author Information
Author(s): N.M. Barnes, J. Ge, W.G. Jones, R.J. Naylor, J.A. Rudd
Primary Institution: University Department of Radiotherapy, Cookridge Hospital and Postgraduate Studies in Pharmacology, University of Bradford
Hypothesis
Chemotherapy with cisplatin may increase plasma levels of 5-hydroxytryptamine (5-HT) and trigger nausea and vomiting.
Conclusion
The study found that plasma 5-HT levels increased significantly in some patients after cisplatin treatment, suggesting a link to chemotherapy-induced nausea.
Supporting Evidence
- Plasma levels of 5-HT before treatment were comparable to literature values for control subjects.
- Four patients showed significant increases in plasma 5-HT levels after cisplatin treatment.
- Patients with elevated 5-HT levels may experience nausea, while others may not respond to antiemetic treatments.
Takeaway
When patients receive cisplatin for cancer treatment, some of them may have higher levels of a chemical called serotonin, which can make them feel sick.
Methodology
Ten male patients undergoing cisplatin treatment were monitored for plasma 5-HT levels before and after treatment, with blood samples taken at various intervals.
Limitations
The small sample size and the use of antiemetic regimens may have affected the assessment of changes in plasma 5-HT levels.
Participant Demographics
Ten male patients aged 20 to 39 years with metastatic germ cell tumors.
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