Extended Half Life Factor (EHF) Products For Heavy Menstrual Bleeding in Hemophilia Carriers

Completed · Early Phase 1

Conditions studied: Hemophilia, Menstrual Flow Excessive

In brief

The purpose of this feasibility study is to find out if two clotting factor products, Eloctate \[hemophilia A\] and Alprolix \[hemophilia B\], can reduce the amount of menstrual bleeding in female hemophilia A and B carriers (14 years of age or older) who have severe or heavy bleeding. These products are FDA-approved for use in males with hemophilia A and B to prevent and treat bleeding. They are not approved specifically to reduce menstrual bleeding, but may be useful for this purpose. Both products have an "extended half life" which means they circulate in the body longer than other FVIII or FIX products. The study team will gather additional information about the safety of these drugs and how well they work. The results of this feasibility study will provide information for an upcoming larger study.

Key facts

Study ID

NCT03272568

Run by

Emory University

People needed

3

Starts

2018-02-14

Expected to finish

2019-12-31

Last updated by the study team

2020-05-18

Who can join

Age: 14 and older, up to 55. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Females of reproductive age who experience monthly menstrual bleedings
• Female Hemophilia A or B carrier (heterozygote, lyonized or Turner's Syndrome)
• FVIII or FIX activity ≤60% at time of the study
• Baseline Pictorial Bleeding Assessment Chart >150 mean at time of recruitment
• Negative pregnancy test at time of enrollment
• Both female and her male partner have agreed to use an acceptable barrier method of birth control (e.g., diaphragm, cervical cap, male condom, female condom, and spermicidal foam, sponges, and film) throughout the duration of this study (for sexually active participants)

You may not qualify if…

• Has not reached menarche
• Menopause: natural or induced by surgical/medical treatment
• Pregnant or breasfeeding
• Female or her male partner refuses to use barrier method of birth control (for sexually active)
• Current use of any of the following contraceptives (copper IUD, oral combined, Progestin-only including but not limited to: Provera, Aygestin, Nexplanon, Implanon, Depo Provera, Mirena IUD)
• VWF:Ag or VWF:RCo <40%
• Diagnosis of a qualitative platelet disorder
• Personal history of thrombosis or superficial thrombosis
• First degree relative with a history of thrombosis
• Personal history of concomitant bleeding or clotting disorder
• Cigarette smoker
• Willing to avoid taking an anti-fibrinolytic agent (amicar, transexamic acid, lysteda) during the trial

Where it is running

• Emory University Hospital Clinical Research Network — Atlanta, Georgia, United States

Full record on ClinicalTrials.gov

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