To attempt to amass information that would result in the approval of condoms for anal intercourse, the corporate teamed up with researchers at Emory College, met with the F.D.A. and designed a research.
Funded by the Nationwide Institutes of Well being, the research, the most important so far on condom effectiveness throughout anal intercourse, was carried out between Could 2016 and Could 2017. It concerned 504 males, half of whom had intercourse with males and half of whom had intercourse with ladies, and the researchers took a number of steps designed to encourage extra constant and correct information than earlier research, Dr. Siegler mentioned.
After being educated in correct condom use, the lads got condoms and requested to fill out a day by day diary on a telephone app, to reply questions on whether or not they had had intercourse that day and whether or not the condom they used broke or slipped. The individuals reported 2,351 anal and a pair of,533 vaginal intercourse acts through the research interval.
Dr. Siegler mentioned that the group had hypothesized that the condom failure fee throughout anal intercourse can be low sufficient to cross muster with the F.D.A., however had not anticipated it to be as little as it was — 0.7 p.c — or that it might be decrease than the failure fee throughout vaginal intercourse, which was 1.9 p.c.
The researchers attribute the upper failure fee throughout vaginal intercourse to the truth that the research inspired lubricant acceptable for condoms for use for each occasion of anal intercourse, however, adhering to public well being tips, solely inspired lubricant for use throughout vaginal intercourse “as wanted or desired.”
So, whereas 98 p.c of people that had anal intercourse used lubricant, solely 42 p.c of those that had vaginal intercourse did. When the researchers appeared solely at individuals who used lubricant, the failure fee within the vaginal group was 1.1 p.c, making the chances of failure in every group primarily the identical, the research reported.
Public well being consultants mentioned that implies that lubricant was vital to the research’s outcomes, and in its assertion, the F.D.A. mentioned that in anal intercourse, the condom “ought to be used with a condom-compatible lubricant.”