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ALLHAT
Has the publication of
ALLHAT influenced the
sale of diuretics?
ALLHAT
Drug Utilization Data
• The data source is IMS, Health
• Since specific indication for drug use is
unknown, the data represent all indications.
• Approximately three-quarters of the use is for
hypertension. This estimate is stable.
• For any fixed drug combination, each
individual agent is counted. Thus, many
users are prescribed more than one drug.
• Generic lisinopril became available in the
Summer of 2002.
ALLHAT
Drug Utilization by Drug*
-- All Indications --
18000000
Total Prescriptions
16000000
Lisinopril**
14000000
12000000
HCTZ
Amlodipine
10000000
8000000
6000000
4000000
2000000
0
Q1-02 Q2-02 Q3-02 Q4-02 Q1-03 Q2-03 Q3-03 Q4-03 Q1-04 Q2-04
*Source: IMS Health, National Prescription Audit PlusTM, 2003
**branded & generic
ALLHAT Drug Utilization by Class
-- All Indications -40,000,000
Diur Total
ACEIs Total
Total Prescriptions
35,000,000
30,000,000
CCBs Total
25,000,000
20,000,000
15,000,000
10,000,000
5,000,000
0
Q1-02 Q2-02 Q3-02 Q4-02 Q1-03 Q2-03 Q3-03 Q4-03 Q1-04 Q2-04
*Source: IMS Health, National Prescription Audit PlusTM, 2003
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