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Table 4 New chemical entities (NCEs) approved between 1975 and 1999 by drug class and relative to disease burden and drug sales [9]

From: Developing countries and neglected diseases: challenges and perspectives

Therapeutic areas

Approved NCEs 1975–1999

Proportion of worldwide sales Year 1999

NCEs by DALY

Drug sales (millions of US$) by DALY

Central nervous system

211 (15·1%)

15·1%

1·32

193

Cardiovascular

179 (12·8%)

19·8%

1·25

283

Cytostatics (neoplasms)

111 (8·0%)

3·7%

1·31

90

Respiratory (non-infectious)

89 (6·4%)

9·3%

1·44

307

Anti-infectives and antiparasitics

224 (16·1%)

10·3%

0·55

52

HIV/AIDS

26 (1·9%)

1·5%

0·37

44

Tuberculosis

3 (0·2%)

0·2%

0·11

11

Tropical diseases (Total)

13 (0·9%)

0·2%

0·10

3

Malaria

4 (0·3%)

0·1%

0·10

5

Other therapeutic categories

579 (41·6%)

41·9%

1·10

163

Total

1393 (100%)

100%

1·01

148