Endometriosis is an abnormal growth of uterine tissue outside the uterus. It causes pain, infertility, bleeding and other problems. Lupron is approved for treatment of prostate cancer and precocious puberty. It also is used to treat infertility and uterine fibroids. Favorable results from the study may encourage developmnent of inhaled forms of other injected medications, Dr. Brzyski said.
Inhalation avoids the digestive tract, which destroys many medications.
It also allows good drug absoprtion because the surface area of the lungs is equivalent to the surface of a tennis court.