Informations

03septembre

ACTs: counterfeit and/or unstable

L'instabilité des ACT

The problem of ACTs: counterfeit or unstable? A recent paper Kristel Van Acker, Marc Mommaerts, Stijn Vanermen, Jolien Meskens, Yvan Vander Heyden, and Jacqueline Plaizier-Vercammen. Chemical stability of artemisinin derivatives Malar J. 2012; 11(Suppl 1): P99 doi: 10.1186/1475-2875-11. confirms the concern raised by previous publications: “Stability of artemisinin derivatives has so far only been partially investigated and it is unclear how much this contributes to the reports of bad quality or substandard antimalarials” One...

Posté dans Informations

03septembre

Artemisia: sun, shade or oven drying

Sécher l'Artemisia à l'ombre ou au soleil

Sun, shade or oven drying It has traditionally been accepted that drying of Artemisia annua should take place in the shade because drying in the sun would destroy many useful molecules. But recent papers have questioned this belief and have studied the effect of ultraviolet radiation on the accumulation or decrease of medicinal compounds in plants. Zhang WJ, Björn LO. The effect of ultraviolet radiation on the accumulation of medicinal compounds in plants. Fitoterapia. 2009 Jun;80(4):207-18. doi: 10.1016/j.fitote.2009.02.006....

Posté dans Informations

03septembre

WHO prohibits the use of Artemisia annua

Artemisia annua: more efficient than artemisinin, but banished!

“…your statement about solving the malaria problems with herbal medicines is frightening”. U d’ Alessandro, expert of the ITG-Antwerp, in email dated 25 Jan 2015. The large family of Artemisia plants have been used as herbal medicine for millenniums in all regions of the world. It is now well established that other plants of the Artemisia family have an antimalarial effect, such as Artemisia absinthium, Artemisia sieberi, Artemisia maritima or Artemisia afra. This is not a surprise because Chinese scientist Shengua (1095) and...

Posté dans Informations

03septembre

The failure of mass drug administration in malaria

Mass drug administration of ACTs increases resistance

Is mass drug administration fighting fire with a fire? Mass drug administration (MDA) was a component of many malaria programs during the eradication era, but later was seldomly deployed due to concerns regarding efficacy and feasibility and fear of accelerating drug resistance. The failure of chloroquine MDA is well known. R D Powell, and C W D Tigertt. Drug Resistance of Parasites Causing Human Malaria. Annual Review of Medicine. Vol. 19: 81-102 (Volume publication date February 1968) DOI: 10.1146/annurev.me.19.020168.000501 In The...

Posté dans Informations

03septembre

Toxicity of artemether and artesunate

Effets secondaires des dérivés de l'artemisinine

Some recent research, mostly in relation with the resistance to ACT pills and/or artesunate injections, has highlighted serious secundary health effects at the doses prescribed by WHO. The scientific literature describes a wide array : haemolytic, hepatotoxic, cytotoxic, neurotoxic, cardiotoxic, genotoxic, ototoxic, embryotoxic, spleenotoxic, hemolytic, atherosclerosis, spermatoxicity, immunodepressive effects of chemical artemisinine derivatives and artemisinin combined therapies (ACTs) Fears of emerging artemisin resistance in...

Posté dans Informations

<<  5 6 7 8 9 [1011 12 13 14  >>  

Citation

L’homme nous passionne, sa diversité, ses histoires, ses savoirs, ses ignorances, sa compréhension du monde

Alexandre Poussin

contactez nous

  • BP 98
    L-6905 Niederanven
    Luxembourg