Changes in BMI after testicular cancer treatment
Author Information
Author(s): Huddart R A, Norman A
Primary Institution: Institute of Cancer Research and Royal Marsden Hospital
Hypothesis
Increases in BMI after treatment for testicular cancer are due to age and hormonal function rather than chemotherapy.
Conclusion
Increases in BMI among testicular cancer survivors are linked to age and hormonal function, with little evidence supporting a direct effect from treatment.
Supporting Evidence
- Patients treated with chemotherapy showed a mean annual increase of BMI of 0.264 kg m−2 year−1.
- 100 out of 638 patients had low testosterone levels, which were associated with a higher BMI.
- An increased BMI was associated with raised blood pressure but not with cardiac morbidity.
Takeaway
This study found that when people survive testicular cancer, their weight changes are more about how old they are and their hormone levels, not just the treatment they got.
Methodology
The study analyzed BMI changes in a cohort of testicular cancer patients treated between 1982 and 1992, comparing those treated with chemotherapy, radiotherapy, and surgery.
Potential Biases
Potential bias due to the lack of control data and reliance on retrospective analysis.
Limitations
The study lacked pretreatment BMI data for some groups and did not have direct control data for comparison.
Participant Demographics
Patients treated at The Royal Marsden Hospital between 1982 and 1992, with a mix of treatment types.
Statistical Information
P-Value
P<0.001
Confidence Interval
95% CI 0.94–1.09
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website