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Arimidex in McCune Albright Syndrome

An Open-label Study Evaluating the Safety and Efficacy of Anastrozole™ (ARIMIDEX) in the Treatment of Precocious Puberty in Girls With McCune-Albright Syndrome

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00055302
Enrollment
40
Registered
2003-02-26
Start date
2002-08-31
Completion date
2015-08-31
Last updated
2015-09-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

McCune-Albright Syndrome

Keywords

vaginal bleeding, advanced bone age, fibrous dysplasia, MAS, McCune-Albright Syndrome

Brief summary

The primary objective of this study is to evaluate the safety and efficacy of anastrozole 1 mg given once daily in subjects with McCune-Albright Syndrome.

Interventions

Arimidex (anastrozole) 1mg once daily by mouth

Sponsors

AstraZeneca
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
No minimum to 10 Years
Healthy volunteers
No

Inclusion criteria

* informed written consent of parent/legal guardian and subject assent (as needed by local requirements) * females less than or equal to 10 years of age * diagnosed with McCune-Albright Syndrome * have progressive precocious puberty

Exclusion criteria

Any one of the following is regarded as a criterion for exclusion from the study: * any prior treatment of MAS associated with progressive precocious puberty with a third generation aromatase inhibitor (anastrozole, letrozole, exemestane) in which no clinical response was seen * concomitant treatment of precocious puberty associated with MAS, with the exception of bisphosphonates for polyostotic fibrous dysplasia and LHRH analogues in the case of central precocious puberty * liver function tests at screening visit (AST, ALT) \> or = 3x the upper limit of the reference range for age * known hypersensitivity to any component of study medication

Design outcomes

Primary

MeasureTime frame
The efficacy of study treatment will be assessed based on the change from baseline measurements relating to vaginal bleeding, bone age, and growth velocity12 months or until the subject demonstrates the lack of efficacy bases upon progression of primary endpoints or experiences serious drug-related toxicity requiring withdrawal

Countries

France, Germany, Italy, United Kingdom

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026