A once daily
dose reduced PSA level – an indicator of severity of disease – by
as much as half in 20% of patients.
There has been
much interest in vitamin D in prostate cancer after studies linking
risk of the disease to sunlight exposure, the researchers said.
agreed the findings were encouraging but said it needed to be tested
in a bigger population.
The trial –
results of which are due to be published in the journal BJU International
– was set up after one patient got better when his wife bought
him some vitamin D tablets.
Jonathan Waxman, said the example had prompted him to assess the
effects in a wider group of patients.