HMBeacon: A Phase 2 Study to Evaluate ALN-6400 in Adult and Adolescent Female Patients With VWD and HMB

Purpose

The purpose of this study is to evaluate the safety, tolerability, efficacy, and pharmacodynamics (PD) of multiple doses of ALN-6400 in adult and adolescent patients with VWD and HMB

Conditions

  • Von Willebrand Disease (VWD)
  • Heavy Menstrual Bleeding (HMB)

Eligibility

Eligible Ages
Between 16 Years and 45 Years
Eligible Sex
Female
Accepts Healthy Volunteers
No

Inclusion Criteria

  • - Is an adolescent or adult patient with a diagnosis of VWD (including Type 1, Type 2, Type 3, and platelet-type VWD) and HMB for 2 cycles during screening

Exclusion Criteria

  • - Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) greater than 2 times the upper limit of normal (ULN) - Has total bilirubin greater than 1.5×ULN (except for patients with Gilbert's syndrome) - Has an estimated glomerular filtration (eGFR) less than 30 mL/min/1.73m^2 at screening - Is not willing to comply with the contraceptive requirements during the study period - Used routine factor prophylaxis (greater than or equal to 1 infusion of factor per week over 12 weeks) within 4 weeks of screening or plans use for routine factor prophylaxis during the study - New placement of any hormonal or nonhormonal intrauterine device (IUD) or hormonal implants within 24 weeks of screening - Known current gynecological conditions causing abnormal uterine bleeding (including infection, fibroids, endometriosis, polycystic ovary syndrome, or dysplasia) Note: other protocol defined inclusion / exclusion criteria apply

Study Design

Phase
Phase 2
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Triple (Participant, Care Provider, Investigator)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
ALN-6400 (Treatment Group A)
Participants will be administered multiple doses of ALN-6400.
  • Drug: ALN-6400
    ALN-6400 will be administered subcutaneously (SC).
Experimental
ALN-6400 (Treatment Group B)
Participants will be administered multiple doses of ALN-6400.
  • Drug: ALN-6400
    ALN-6400 will be administered subcutaneously (SC).

Recruiting Locations

Clinical Trial Site
Los Angeles, California 90027

Clinical Trial Site
Orange, California 92868

Clinical Trial Site
Miami, Florida 33024

Clinical Trial Site
Lexington, Kentucky 40536

More Details

Status
Recruiting
Sponsor
Alnylam Pharmaceuticals

Study Contact

Alnylam Clinical Trial Information Line
1-877-ALNYLAM
clinicaltrials@alnylam.com