article_snippet.sent: The time it takes for whose PSA whose PSA reading to double is called the PSADT.
article_snippet.sent: Men on the trial will have a PSADT greater than three months and less than 15.
article_snippet.sent: the trial will last nearly two years, and men will be given six injections of A vaccine or a placebo during that time.
article_snippet.sent: In the new study, researchers used the jab on 65 patients who'd had warts for between two and 15 years.
article_snippet.sent: researchers had an average of three treatments.
article_snippet.sent: Side-effects included pain during injection, itching and flu-like symptoms.