A Safety, Tolerability and Pharmacodynamics Study of ACE-011 (ActRIIA-IgG1) in Healthy Postmenopausal Women

Acceleron Pharma

Status and phase

Completed

Phase 1

Conditions

Osteoporosis

Treatments

Biological: ACE-011 or placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT00709540

A011-02

Details and patient eligibility

About

This is a randomized, double-blind, placebo-controlled, multiple-dose, dose-escalating study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of ACE-011 in healthy postmenopausal women.

Enrollment

40 patients

Sex

Female

Ages

45 to 85 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Subject is a postmenopausal woman, 45-85 years old (inclusive).
Subject has had 12 months of spontaneous amenorrhea, OR 6 months of spontaneous amenorrhea with serum follicle stimulating hormone (FSH) levels >40 IU/L OR is 6 weeks postsurgical bilateral oophorectomy with or without hysterectomy.
Subject is taking at least 500 mg of calcium supplement and 400 IU of vitamin D daily and has been following this regimen for at least 4 weeks prior to the first dose of study drug administration.
Subject has a body mass index (BMI) of ≥ 18.5 to < 30.
Subject must give written informed consent. If required by local law, candidates must also authorize the release and use of protected health information (PHI).

Exclusion criteria

Subject has a history of clinically significant major disease (as determined by the Investigator).
Subject has a history of hyperparathyroidism, hypoparathyroidism, hypocalcemia, rheumatoid arthritis, myeloproliferative disorder, gout, Paget's disease of the bone, or osteomalacia.
Subject has had a long bone fracture within the past 6 months prior to enrollment, or an osteoporosis-related fracture within the previous 2 years.
Subject has a history of opportunistic infection, or has had a serious local or systemic infection within 3 months prior to screening.
Subject has a history of severe allergic or anaphylactic reactions.
Subject had major surgery within the previous 3 months.
Subject has a history of drug or alcohol abuse, or tests positive in a drug and alcohol screen at screening or on Day 1 prior to dosing.
Subject consumed any alcohol within 72 hours prior to dosing.
Subject gave a blood donation (one unit or more) within 1 month prior to dosing, or plans to give a blood donation during the course of the study.
Subject has taken any of the following bone active medications:
- Teriparatide at any time in their lifetime.
- Fluoride therapy for more than 3 months during the previous 2 years.
- Estrogen, androgen, anabolic steroids, corticosteroids (excluding inhaled, topical or local injections for joint pain), calcitonin, or other bone active drugs (e.g. selective estrogen receptor modulators) within the 4 months prior to screening.
Bisphosphonates:
- If treated for more than 6 months at any time in their lifetime.
- If treated for 3 to 6 months within 2 years of screening.
- If treated for less than 3 months within 6 months of screening.
Subjects with chronic stable diseases including migraines, hypertension, hyperthyroid disorder, hypothyroid disorder, gastroesophageal reflux disease, or mild depression/anxiety will be excluded unless the investigator does not have safety or compliance concerns at study entry.