Principles and Practice of Pharmaceutical Medicine

(Elle) #1
Study xxxx
Patient validity decision tree

Did the patient receive
at least one dose of
study drug?

Did the patient meet all
inclusion criteria?

Had no
exclusion criteria?
or
pre-existing violation?

Had no
Group A streptococci,
mycobacteria or
significant growth of
pure fungi observed
at visit 1?

Had no contra-ear
infection developed
after baseline?

Did the patient
have post baseline
response?

Was the patient
a clinical failure?

Population assignment
<Intent-to-treat>
<Safety>

Did the patient receive
at least 3 days
(minimum of 5 doses)
of the treatment and
or 75% compliance
of prescribed dose?

Did the patient take 10
days of treatment
with a minimum of
75% compliance?

Go to Step 9

Population assignment
<None>

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Step 6B

Step 7

Step 8

No

Ye s

Ye s

Ye s

Ye s

Ye s

Ye s

Ye s

Ye s

Ye s

No

No

No

No

No

No

No

No

Figure 26.2 Derivation of study population

352 CH26 DATA MANAGEMENT

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