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Table 3 Characteristics for clinical drug trials in general practice

From: Clinical drug trials in general practice: a 10-year overview of protocols

 

Patients planned for inclusion

Clinical investigators

Payment

 

Norway

All countries

Trial duration, weeks

General practicea

All sites in Norway

Investigators' payment per patient, €b

Estimated yearly income per investigator, €c

Median

60

672.5

24

5

7

1,900

1,600

Minimum to maximum

8 to 2,500

8 to 31,000

1 to 288

1 to 402

1 to 402

0 to 13,500

0 to 59,000

2.5 to 97.5 percentile

13 to 560

50 to 14,368

3 to 240

1 to 37

1 to 61

0 to 7,500

0 to 25,000

Sum

23,635

337,921

 

1,920

2,475

  
  1. This table shows trial characteristics of applications at the Norwegian Medicines Agency (NoMA), 1998 to 2007, for 196 clinical drug trials conducted solely or partly in general practice identified by hand searching of the archive.
  2. aGeneral practitioners (GPs) participated in clinical trials from 1 to 36 times, with median 1 and interquartile range 1 to 2. A total of 831 unique GPs participated.
  3. bInformation missing in 90 applications.
  4. cCalculated using median payment and median number of patients recruited per investigator. This payment covers all expenses connected with the trial for the investigator.