Estrogen Patches for Adolescent and Young Adult Women With Cystic Fibrosis
Cystic Fibrosis, Hypoestrogenism
About this trial
This is an interventional treatment trial for Cystic Fibrosis focused on measuring Bone Mineral Density, Osteoporosis, Young Adult, Adolescent, Premenopause, Estradiol, Bone Disease, Bone Diseases, Metabolic, Hormones, Quality of Life
Eligibility Criteria
Inclusion Criteria: CF diagnosis 16-30 years old At least 2 years after first menstrual cycle Low serum estradiol levels (< 50 pg/mL) Exclusion Criteria: Contraindications to transdermal estradiol Current use of systemic estrogen (such as estrogen-containing oral contraceptive pill) Previous lung or liver transplant Use of chronic systemic glucocorticoids Severe vitamin D deficiency (serum 25(OH)D < 6 ng/mL) Use of anti-osteoporosis therapy including anti-resorptives such as bisphosphonates or anabolic agents such as teriparatide or denosumab Conditions increasing risk of clot: history of previous deep vein thrombus or pulmonary embolism, current immobility, current peripherally inserted central catheter or mediport, known hypercoagulable condition Baseline study visit falls between 1 and 8 weeks after initiation of CF transmembrane receptor (CFTR) modulator Currently in pulmonary exacerbation Recent antibiotic use within the past 4 weeks for an acute pulmonary exacerbation Pregnant, lactating, or planning to become pregnant during study Unwilling or unable to use a non-estrogen containing method of contraception such as barrier, abstinence, or progesterone-only method In the opinion of the CF care team or study investigators participant should not participate in the study Inability to provide informed consent/assent
Sites / Locations
- Johns HopkinsRecruiting
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
Transdermal Estradiol/cyclic progesterone
Placebo transdermal estradiol/progesterone
Participants will apply transdermal estradiol patches (0.1 mg/day) weekly for 12 months following baseline study visits. Participants not already using a progesterone-containing contraceptive will also take progesterone (200 mg) for 10 days per month.
Participants will apply placebo transdermal estradiol patches weekly for 12 months following baseline study visits. Participants not already using a progesterone-containing contraceptive will also take placebo progesterone for 10 days per month.