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PHILADELPHIA – Charles E. Miller, MD, said at the annual meeting of the American Society for Reproductive Medicine.
Although clinicians need prior authorization and evidence of treatment failure before prescribing Elagolix, the drug is a viable option as a second-tier treatment for patients with endometriosis-associated dysmenorrhea, said Dr. Miller, director of minimally invasive gynecologic surgery at Advocate Lutheran General Hospital in Park Ridge, Ill. “We have a drug that is very effective, that has a very low adverse event profile, and is tolerated by the vast majority of our patients.”
First-line options
NSAIDs are first-line treatment for endometriosis-related dysmenorrhea, with acetaminophen used in cases where NSAIDs are contraindicated or cause side effects such as gastrointestinal issues. Hormonal contraceptives also can be used as first-line treatment, divided into estrogen/progestin and progestin-only options that can be combined. Evidence from the literature has shown oral pills decrease pain, compared with placebo, but the decrease is not dose dependent, said Dr. Miller.
“We also know that if you use it continuously or prolonged, we find that there is going to be greater success with dysmenorrhea, and that ultimately you would use a higher-dose pill because of the greater risk of breakthrough when using a lesser dose in a continuous fashion,” he said. “Obviously if you’re not having menses, you’re not going to have dysmenorrhea.”
Other estrogen/progestin hormonal contraception such as the vaginal ring or transdermal patch also have been shown to decrease dysmenorrhea from endometriosis, with one study showing a reduction from 17% to 6% in moderate to severe dysmenorrhea in patients using the vaginal ring, compared with patients receiving oral contraceptives. In a separate randomized, controlled trial, “dysmenorrhea was more common in patch users, so it doesn’t appear that the patch is quite as effective in terms of reducing dysmenorrhea,” said Dr. Miller (JAMA. 2001 May 9. doi: 10.1001/jama.285.18.2347).
Compared with combination hormone therapy, there has been less research conducted on progestin-only hormone contraceptives on reducing dysmenorrhea from endometriosis. For example, there is little evidence for depot medroxyprogesterone acetate in reducing dysmenorrhea, but rather with it causing amenorrhea; one study showed a 50% amenorrhea rate at 1 year. “The disadvantage, however, in our infertile population is ultimately getting the menses back,” said Dr. Miller.
IUDs using levonorgestrel appear comparable with gonadotropin-releasing hormone (GnRH) agonists in reducing endometriosis-related pain; in one study, most women treated with either of these had visual analogue scores of less than 3 at 6 months of treatment. Between 68% and 75% of women with dysmenorrhea who receive an implantable contraceptive device with etonogestrel report decreased pain, and one meta-analysis reported 75% of women had “complete resolution of dysmenorrhea.” Concerning progestin-only pills, they can be used for endometriosis-related dysmenorrhea, but they are “problematic in that there’s a lot of breakthrough bleeding, and often times that is associated with pain,” said Dr. Miller.
Second-tier options
Injectable GnRH agonists are effective options as second-tier treatments for endometriosis-related dysmenorrhea, but patients are at risk of developing postmenopausal symptoms such as hot flashes, insomnia, spotting, and decreased libido. “One advantage to that is, over the years and particularly something that I’ve done with my endometriosis-related dysmenorrhea, is to utilize add-back with these patients,” said Dr. Miller, who noted that patients on 2.5 mg of norethindrone acetate and 0.5 mg of ethinyl estradiol“do very well” with that combination of add-back therapy.
Elagolix is the most recent second-tier treatment option for these patients, and was studied in the Elaris EM-I and Elaris EM-II trials in a once-daily dose of 150 mg and a twice-daily dose of 200 mg. In Elaris EM-1, 76% of patients in the 200-mg elagolix group had a clinical response, compared with 46% in the 150-mg group and 20% in the placebo group (N Engl J Med. 2017 Jul 6. doi: 10.1056/NEJMoa1700089). However, patients should not be on elagolix at 200 mg for more than 6 months, while patients receiving elagolix at 150 mg can stay on the treatment for up to 2 years.
Patients taking elagolix also showed postmenopausal symptoms, with 24% in the 150-mg group and 46% in the 200-mg group experiencing hot flashes, compared with 9% of patients in the placebo group. While 6% of patients in the 150-mg group and 10% in the 200-mg group discontinued because of adverse events, 1% and 3% of patients in the 150-mg and 200-mg group discontinued because of hot flashes or night sweats, respectively. “Symptoms are well tolerated, far different than in comparison with leuprolide acetate and GnRH agonists,” said Dr. Miller.
There also is a benefit to how patients recover from bone mineral density (BMD) changes after remaining on elagolix, Dr. Miller noted. In patients who received elagolix for 12 months at doses of 150 mg and 200 mg, there was an increase in lumbar spine BMD recovered 6 months after discontinuation, with patients in the 150-mg group experiencing a recovery close to baseline BMD levels. Among patients who discontinued treatment, there also was a quick resumption in menses for both groups: 87% of patients in the 150 mg group and 88% of patients in the 200-mg group who discontinued treatment after 6 months had resumed menses by 2 months after discontinuation, while 95% of patients in the 150-mg and 91% in the 200-mg group who discontinued after 12 months resumed menses by 2 months after discontinuation.
Dr. Miller reported relationships with AbbVie, Allergan, Blue Seas Med Spa, Espiner Medical, Gynesonics, Halt Medical, Hologic, Karl Storz, Medtronic, and Richard Wolf in the form of consultancies, grants, speakers’ bureau appointments, stock options, royalties, and ownership interests.
PHILADELPHIA – Charles E. Miller, MD, said at the annual meeting of the American Society for Reproductive Medicine.
Although clinicians need prior authorization and evidence of treatment failure before prescribing Elagolix, the drug is a viable option as a second-tier treatment for patients with endometriosis-associated dysmenorrhea, said Dr. Miller, director of minimally invasive gynecologic surgery at Advocate Lutheran General Hospital in Park Ridge, Ill. “We have a drug that is very effective, that has a very low adverse event profile, and is tolerated by the vast majority of our patients.”
First-line options
NSAIDs are first-line treatment for endometriosis-related dysmenorrhea, with acetaminophen used in cases where NSAIDs are contraindicated or cause side effects such as gastrointestinal issues. Hormonal contraceptives also can be used as first-line treatment, divided into estrogen/progestin and progestin-only options that can be combined. Evidence from the literature has shown oral pills decrease pain, compared with placebo, but the decrease is not dose dependent, said Dr. Miller.
“We also know that if you use it continuously or prolonged, we find that there is going to be greater success with dysmenorrhea, and that ultimately you would use a higher-dose pill because of the greater risk of breakthrough when using a lesser dose in a continuous fashion,” he said. “Obviously if you’re not having menses, you’re not going to have dysmenorrhea.”
Other estrogen/progestin hormonal contraception such as the vaginal ring or transdermal patch also have been shown to decrease dysmenorrhea from endometriosis, with one study showing a reduction from 17% to 6% in moderate to severe dysmenorrhea in patients using the vaginal ring, compared with patients receiving oral contraceptives. In a separate randomized, controlled trial, “dysmenorrhea was more common in patch users, so it doesn’t appear that the patch is quite as effective in terms of reducing dysmenorrhea,” said Dr. Miller (JAMA. 2001 May 9. doi: 10.1001/jama.285.18.2347).
Compared with combination hormone therapy, there has been less research conducted on progestin-only hormone contraceptives on reducing dysmenorrhea from endometriosis. For example, there is little evidence for depot medroxyprogesterone acetate in reducing dysmenorrhea, but rather with it causing amenorrhea; one study showed a 50% amenorrhea rate at 1 year. “The disadvantage, however, in our infertile population is ultimately getting the menses back,” said Dr. Miller.
IUDs using levonorgestrel appear comparable with gonadotropin-releasing hormone (GnRH) agonists in reducing endometriosis-related pain; in one study, most women treated with either of these had visual analogue scores of less than 3 at 6 months of treatment. Between 68% and 75% of women with dysmenorrhea who receive an implantable contraceptive device with etonogestrel report decreased pain, and one meta-analysis reported 75% of women had “complete resolution of dysmenorrhea.” Concerning progestin-only pills, they can be used for endometriosis-related dysmenorrhea, but they are “problematic in that there’s a lot of breakthrough bleeding, and often times that is associated with pain,” said Dr. Miller.
Second-tier options
Injectable GnRH agonists are effective options as second-tier treatments for endometriosis-related dysmenorrhea, but patients are at risk of developing postmenopausal symptoms such as hot flashes, insomnia, spotting, and decreased libido. “One advantage to that is, over the years and particularly something that I’ve done with my endometriosis-related dysmenorrhea, is to utilize add-back with these patients,” said Dr. Miller, who noted that patients on 2.5 mg of norethindrone acetate and 0.5 mg of ethinyl estradiol“do very well” with that combination of add-back therapy.
Elagolix is the most recent second-tier treatment option for these patients, and was studied in the Elaris EM-I and Elaris EM-II trials in a once-daily dose of 150 mg and a twice-daily dose of 200 mg. In Elaris EM-1, 76% of patients in the 200-mg elagolix group had a clinical response, compared with 46% in the 150-mg group and 20% in the placebo group (N Engl J Med. 2017 Jul 6. doi: 10.1056/NEJMoa1700089). However, patients should not be on elagolix at 200 mg for more than 6 months, while patients receiving elagolix at 150 mg can stay on the treatment for up to 2 years.
Patients taking elagolix also showed postmenopausal symptoms, with 24% in the 150-mg group and 46% in the 200-mg group experiencing hot flashes, compared with 9% of patients in the placebo group. While 6% of patients in the 150-mg group and 10% in the 200-mg group discontinued because of adverse events, 1% and 3% of patients in the 150-mg and 200-mg group discontinued because of hot flashes or night sweats, respectively. “Symptoms are well tolerated, far different than in comparison with leuprolide acetate and GnRH agonists,” said Dr. Miller.
There also is a benefit to how patients recover from bone mineral density (BMD) changes after remaining on elagolix, Dr. Miller noted. In patients who received elagolix for 12 months at doses of 150 mg and 200 mg, there was an increase in lumbar spine BMD recovered 6 months after discontinuation, with patients in the 150-mg group experiencing a recovery close to baseline BMD levels. Among patients who discontinued treatment, there also was a quick resumption in menses for both groups: 87% of patients in the 150 mg group and 88% of patients in the 200-mg group who discontinued treatment after 6 months had resumed menses by 2 months after discontinuation, while 95% of patients in the 150-mg and 91% in the 200-mg group who discontinued after 12 months resumed menses by 2 months after discontinuation.
Dr. Miller reported relationships with AbbVie, Allergan, Blue Seas Med Spa, Espiner Medical, Gynesonics, Halt Medical, Hologic, Karl Storz, Medtronic, and Richard Wolf in the form of consultancies, grants, speakers’ bureau appointments, stock options, royalties, and ownership interests.
PHILADELPHIA – Charles E. Miller, MD, said at the annual meeting of the American Society for Reproductive Medicine.
Although clinicians need prior authorization and evidence of treatment failure before prescribing Elagolix, the drug is a viable option as a second-tier treatment for patients with endometriosis-associated dysmenorrhea, said Dr. Miller, director of minimally invasive gynecologic surgery at Advocate Lutheran General Hospital in Park Ridge, Ill. “We have a drug that is very effective, that has a very low adverse event profile, and is tolerated by the vast majority of our patients.”
First-line options
NSAIDs are first-line treatment for endometriosis-related dysmenorrhea, with acetaminophen used in cases where NSAIDs are contraindicated or cause side effects such as gastrointestinal issues. Hormonal contraceptives also can be used as first-line treatment, divided into estrogen/progestin and progestin-only options that can be combined. Evidence from the literature has shown oral pills decrease pain, compared with placebo, but the decrease is not dose dependent, said Dr. Miller.
“We also know that if you use it continuously or prolonged, we find that there is going to be greater success with dysmenorrhea, and that ultimately you would use a higher-dose pill because of the greater risk of breakthrough when using a lesser dose in a continuous fashion,” he said. “Obviously if you’re not having menses, you’re not going to have dysmenorrhea.”
Other estrogen/progestin hormonal contraception such as the vaginal ring or transdermal patch also have been shown to decrease dysmenorrhea from endometriosis, with one study showing a reduction from 17% to 6% in moderate to severe dysmenorrhea in patients using the vaginal ring, compared with patients receiving oral contraceptives. In a separate randomized, controlled trial, “dysmenorrhea was more common in patch users, so it doesn’t appear that the patch is quite as effective in terms of reducing dysmenorrhea,” said Dr. Miller (JAMA. 2001 May 9. doi: 10.1001/jama.285.18.2347).
Compared with combination hormone therapy, there has been less research conducted on progestin-only hormone contraceptives on reducing dysmenorrhea from endometriosis. For example, there is little evidence for depot medroxyprogesterone acetate in reducing dysmenorrhea, but rather with it causing amenorrhea; one study showed a 50% amenorrhea rate at 1 year. “The disadvantage, however, in our infertile population is ultimately getting the menses back,” said Dr. Miller.
IUDs using levonorgestrel appear comparable with gonadotropin-releasing hormone (GnRH) agonists in reducing endometriosis-related pain; in one study, most women treated with either of these had visual analogue scores of less than 3 at 6 months of treatment. Between 68% and 75% of women with dysmenorrhea who receive an implantable contraceptive device with etonogestrel report decreased pain, and one meta-analysis reported 75% of women had “complete resolution of dysmenorrhea.” Concerning progestin-only pills, they can be used for endometriosis-related dysmenorrhea, but they are “problematic in that there’s a lot of breakthrough bleeding, and often times that is associated with pain,” said Dr. Miller.
Second-tier options
Injectable GnRH agonists are effective options as second-tier treatments for endometriosis-related dysmenorrhea, but patients are at risk of developing postmenopausal symptoms such as hot flashes, insomnia, spotting, and decreased libido. “One advantage to that is, over the years and particularly something that I’ve done with my endometriosis-related dysmenorrhea, is to utilize add-back with these patients,” said Dr. Miller, who noted that patients on 2.5 mg of norethindrone acetate and 0.5 mg of ethinyl estradiol“do very well” with that combination of add-back therapy.
Elagolix is the most recent second-tier treatment option for these patients, and was studied in the Elaris EM-I and Elaris EM-II trials in a once-daily dose of 150 mg and a twice-daily dose of 200 mg. In Elaris EM-1, 76% of patients in the 200-mg elagolix group had a clinical response, compared with 46% in the 150-mg group and 20% in the placebo group (N Engl J Med. 2017 Jul 6. doi: 10.1056/NEJMoa1700089). However, patients should not be on elagolix at 200 mg for more than 6 months, while patients receiving elagolix at 150 mg can stay on the treatment for up to 2 years.
Patients taking elagolix also showed postmenopausal symptoms, with 24% in the 150-mg group and 46% in the 200-mg group experiencing hot flashes, compared with 9% of patients in the placebo group. While 6% of patients in the 150-mg group and 10% in the 200-mg group discontinued because of adverse events, 1% and 3% of patients in the 150-mg and 200-mg group discontinued because of hot flashes or night sweats, respectively. “Symptoms are well tolerated, far different than in comparison with leuprolide acetate and GnRH agonists,” said Dr. Miller.
There also is a benefit to how patients recover from bone mineral density (BMD) changes after remaining on elagolix, Dr. Miller noted. In patients who received elagolix for 12 months at doses of 150 mg and 200 mg, there was an increase in lumbar spine BMD recovered 6 months after discontinuation, with patients in the 150-mg group experiencing a recovery close to baseline BMD levels. Among patients who discontinued treatment, there also was a quick resumption in menses for both groups: 87% of patients in the 150 mg group and 88% of patients in the 200-mg group who discontinued treatment after 6 months had resumed menses by 2 months after discontinuation, while 95% of patients in the 150-mg and 91% in the 200-mg group who discontinued after 12 months resumed menses by 2 months after discontinuation.
Dr. Miller reported relationships with AbbVie, Allergan, Blue Seas Med Spa, Espiner Medical, Gynesonics, Halt Medical, Hologic, Karl Storz, Medtronic, and Richard Wolf in the form of consultancies, grants, speakers’ bureau appointments, stock options, royalties, and ownership interests.
EXPERT ANALYSIS FROM ASRM 2019