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. Author manuscript; available in PMC: 2018 Aug 18.
Published in final edited form as: Ther Innov Regul Sci. 2017 Aug 18;2017:1–7. doi: 10.1177/2168479017725558

Table 3.

Examples of Extrapolation Approaches With No Change Over Time.

Disease/Indications Extrapolation
Present Approach
Current Data (n) Dunne’s Reference (n)
Oncology products No (n = 7) No (n = 10) Remains the same
ADHD (6–12 y) No (n = 6) No (n = 2) Remains the same
ADHD (13–17 y) Partial (n = 1) Partial (n = 2) Remains the same
MDD No (n = 1) No (n = 1) Remains the same
HSV and VZV infections Complete (n = 3) Complete (n = 1) Remains the same
HBV infection Partial (n = 2) Partial (n = 1) Remains the same
HIV infection Partial (n = 3) Partial (n = 1) Remains the same
HCV infection Partial (n = 1) Partial (n = 1) Remains the same

Abbreviations: ADHD, attention-deficit hyperactivity disorder; MDD, Major Depression Disorder; HSV, herpes simplex virus; VZV, varicella zoster virus; HBV, hepatitis B virus; HCV, hepatitis C virus; HIV, human immunodeficiency virus.