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Table 2 Effectiveness of orphan drug laws and incentives

From: Expert Delphi survey on research and development into drugs for neglected diseases

 

very effective

effective

ineffective

very ineffective

no judgment

Orphan drug laws

7.1%

54.3%

17.1%

0%

21.4%

Market exclusivity

22.1%

33.8%

17.6%

4.4%

22.1%

Tax credits

14.5%

47.8%

10.1%

1.4%

26.1%

Protocol assistance

13.2%

41.2%

14.7%

0%

30.9%

Fee reduction/Fee waivers

8.8%

41.2%

23.5%

1.5%

25.0%