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Table 1 Susceptibility of P. falciparum to antimalarials in Sudan, 1975–2005.

From: From chloroquine to artemisinin-based combination therapy: the Sudanese experience

Period Drugs tested Regions Protocol used follow-up (days) Failure rate (%) References number
1975–97 CQ central Standard WHO in-vivo test 7–28 0.8–25.0 7, 10
   eastern    43.0–48.0 8, 9
1998–03 CQ central WHO 1996 14–28 25.0–75.0 11, 12
   eastern WHO 1996 28 76.9 13
   southern WHO 1996, EANMAT 1999 14–28 11.5–93.9 14, 15
   north Sudan WHO 1996 14 32.0–70.0 UPD
  SP eastern WHO 1996 28 0.0–19.4 16, 17
   southern WHO 1996, EANMAT 1999 14–28 0.0–69.9 15, 14
   north Sudan WHO 1996 28 1.3–7.8 UPD
  AQ southern WHO 1996, EANMAT 1999 14 5.9–25.2 14, 15
  MQ eastern WHO 1996 28 7.5 20
  Q eastern WHO 1996 28 9.4–10.7 13
  CQ+SP eastern WHO 2003 28 2.5–36.0 17, UPD
   central WHO 1996 28 15.5–20.0 UPD
  AS+SP western WHO 2003 28 8.8 21
   southern WHO 2003, 1996 28–42 0.0–0.9 22
   central WHO 2003 28 0.0 UPD
  AS+AQ western WHO 2003 28 7.3 21
   southern WHO 2003, 1996 42 1.0 22
2004–05 AS+SP eastern WHO 2003 28 0.0–0.7 18, 23
   southern WHO 2003, 1996 28–42 0.0 23
   central WHO 2003 28 0.0 23, 24, UPD
  ART+ LUM southern WHO 2003 28 0.0 UPD
   central WHO 2003 28 0.0 24
  1. UPD: unpublished data