Effects of artemether and lumefantrine: A Synthesis of Findings from 21 Studies
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- Effects of artemether and lumefantrine
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Major research findings
Artemether-lumefantrine (AL) is widely used as a first-line treatment for uncomplicated falciparum malaria due to its effectiveness against multidrug-resistant parasites. 17 AL may also disrupt transmission through a direct antigametocyte effect, but the extent of this effect is uncertain. 17 AL has been shown to be more effective than non-AL treatments in clearing gametocytes and interrupting transmission. 17 However, AL may cause ototoxicity. 14 The effects of AL-associated ototoxicity are not related to weight, age, or the interval between exposure to the drug and the exit audiogram. 14 AL-associated ototoxicity appears to be irreversible and likely drug-related rather than malaria-related. 14 Additionally, AL can lead to delayed-onset hemolytic anemia, which can be fatal. 15 AL-associated hemolytic anemia should be carefully considered in the context of limited access to or patient refusal of blood products. 15 AL should be avoided during the first trimester of pregnancy. 1 Use of AL during the first trimester of pregnancy may increase the risk of fetal abnormalities and adverse birth outcomes. 1 AL can be administered at the recommended dose without modification for individuals with different weights or BMIs. 16 AL has been found to be effective and well-tolerated in treating uncomplicated malaria in Western Kenya. 13 However, further efficacy monitoring of AL, including pharmacokinetic studies, is recommended as its efficacy may be waning in Western Kenya. 13 Co-administration of AL with vitamin C-rich juice does not impair its antimalarial efficacy and may improve antioxidant and anti-inflammatory effects. 20 AL can lead to mutations in the pfk13 gene of the malaria parasite, which confer artemisinin resistance. 3 Therefore, it is important to monitor the effectiveness of AL and monitor for the emergence of artemisinin resistance. 3
Benefits and Risks
Benefit Summary
AL is widely used as a first-line treatment for uncomplicated falciparum malaria due to its effectiveness against multidrug-resistant parasites. 17 AL has been shown to be more effective than non-AL treatments in clearing gametocytes and interrupting transmission. 17 AL can be administered at the recommended dose without modification for individuals with different weights or BMIs. 16
Risk Summary
AL may cause ototoxicity. 14 AL can lead to delayed-onset hemolytic anemia, which can be fatal. 15 AL should be avoided during the first trimester of pregnancy. 1 Use of AL during the first trimester of pregnancy may increase the risk of fetal abnormalities and adverse birth outcomes. 1 AL can lead to mutations in the pfk13 gene of the malaria parasite, which confer artemisinin resistance. 3
Comparison of studies
Commonalities of studies
Several studies have shown that AL is effective in treating malaria. 17 5 12 7 13 AL has also been shown to be effective in clearing gametocytes and interrupting transmission. 17 21
Differences of studies
The effectiveness and safety of AL may vary depending on the study region and population. 13 7 5 The effectiveness of AL may vary depending on the location and time period. 5 AL may also have side effects, such as ototoxicity and delayed-onset hemolytic anemia. 14 15
Consistency and contradictions of results
Multiple studies have shown that AL is effective in treating malaria. 17 5 12 7 13 However, the effectiveness and safety of AL may vary depending on the study region and population. 13 7 5 The effectiveness of AL may vary depending on the location and time period. 5 AL may also have side effects, such as ototoxicity and delayed-onset hemolytic anemia. 14 15
Cautions regarding application to real life
AL is widely used as a first-line treatment for uncomplicated falciparum malaria. 17 AL has been shown to be more effective than non-AL treatments in clearing gametocytes and interrupting transmission. 17 However, AL may cause ototoxicity and delayed-onset hemolytic anemia. 14 15 AL should be avoided during the first trimester of pregnancy. 1 It is important to consider these risks and benefits when considering the use of AL. 1
Limitations of current research
There is still not enough research on the effectiveness and safety of AL. 13 The effectiveness of AL may vary depending on the location and time period. 5 AL may also have side effects, such as ototoxicity and delayed-onset hemolytic anemia. 14 15 Therefore, further research on AL is needed. 3
Directions for future research
Research is needed to further investigate the effectiveness and safety of AL in various regions and populations. 5 It is important to monitor the effectiveness of AL and monitor for the emergence of artemisinin resistance. 3 Research is also needed to reduce the side effects of AL. 14
Conclusion
AL is widely used as a first-line treatment for uncomplicated falciparum malaria. 17 AL has been shown to be more effective than non-AL treatments in clearing gametocytes and interrupting transmission. 17 However, AL may cause ototoxicity and delayed-onset hemolytic anemia. 14 15 AL should be avoided during the first trimester of pregnancy. 1 It is important to consider these risks and benefits when considering the use of AL. 1
Benefit Keywords
Risk Keywords
Article Type
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