| Study Type: |
Phase IV Voluntary Patient Registry |
| Objective: |
Predict potential medication error rate as reflected by caregiver reported observations of pharmacists dispensing specialty drug and subsequent administration to patients. |
| Data Collection: |
Written survey recording caregiver observations on prescriptions dispensed. |
| Utility: |
Comply with FDA mandated NDA approval requirement and monitor impact of educations programs designed to improve labeling comprehension and compliance among dispensing pharmacists and reduce associated potential medication errors.

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| Results: |
Dose setting error rate data collected shows sensitivity to company efforts to educate dispensing pharmacists. Registry data indicates programs implemented in June 2007 had a profound impact on dose setting errors, reducing predictable error rate from 30% to 9.1%. |