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Publication d'une nouvelle étude : efficacité du Lactobacillus reuteri Prodentis dans le traitement de la parodontite


News provided by

BioGaia

Nov 10, 2010, 03:00 ET

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STOCKHOLM, November 10, 2010 /PRNewswire/ -- L'étude montre que le L. reuteri Prodentis agit de façon synergétique avec le traitement standard de débridement et lissage radiculaire (scaling and root plaining - SRP) pour réduire de façon significative la profondeur de poche au sondage (probing pocket depth - PPD) et le niveau de l'attachement clinique (clinical attachment level - CAL), qui sont les deux paramètres les plus importants pour évaluer la gravité de la parodontite. De plus, le L. reuteri Prodentis révèle - en tant que premier probiotique de l'histoire - des réductions significatives de trois pathogènes différents chez les patients atteints de parodontite chronique. Cette étude confirme également les effets anti-inflammatoires du L. reuteri Prodentis sur l'inflammation des gencives (gingivite).

http://www.newscom.com/cgi-bin/prnh/20101110/418565

La parodontite chronique atteint jusqu'à 40 % de la population adulte. Le traitement standard vise à retirer la plaque dentaire dans les poches dentaires, afin de réduire les pathogènes parodontaux et éviter ainsi la progression de la maladie.

Trente patients atteints de parodontite chronique furent inclus dans cet essai clinique en double aveugle, randomisé et contrôlé contre placebo, qui dura 42 jours. Au jour 0, les dents d'une moitié de la bouche furent traitées en utilisant le SRP, tandis que les dents de l'autre moitié ne reçurent aucun traitement. A partir du jour 21 et jusqu'au jour 42, le traitement fut complété soit par des pastilles de L. reuteri Prodentis (1X108 CFU DSM 17938 et 1x108 CFU ATCC PTA 5289), soit par des pastilles placebo, administrées deux fois par jour.

Le résultat a mis en évidence qu'une combinaison de L. reuteri Prodentis et de SRP était considérablement plus efficace que toutes les autres modalités en termes de réduction de la gingivite et de la plaque. De plus, le L. reuteri Prodentis, utilisé seul ou à la suite du SRP, a réduit de façon significative les pathogènes Aggregibacter actinomycetemcomitans, Porphyromonas gingivalis et Prevotella intermedia de jusqu'à 90%, par rapport aux traitements n'incluant pas de L. reuteri Prodentis. La combinaison de L. reuteri Prodentis et de SRP s'est avérée également considérablement plus efficace que l'utilisation du SPR seul en termes de réduction de la PPD (p<0,001) et du CAL (p<0,001) - voir pièce jointe.

- Cette étude de courte durée prouve que le L. reuteri Prodentis provoque à lui seul un effet puissant sur les pathogènes de la parodontite et que la combinaison de L. reuteri Prodentis et de SRP améliore de façon synergétique à la fois la PPD et le CAL, a déclaré le Professeur Vandana au College of Dental Science de Davangere, en Inde.

- Ces résultats renforcent la position du L. reuteri Prodentis en tant qu'option de traitement éprouvée pour les patients souffrant de maladies parodontales, a expliqué Peter Rothschild, Président de BioGaia AB.

Les résultats de cette étude ont été publiés en ligne le 2 novembre 2010, dans le Journal of Oral Microbiology, doi : 10.3402/jom.v2i0.5344. Cette étude est accessible à l'adresse :

http://www.journaloforalmicrobiology.net/index.php/jom/article/view/5344

BioGaia est une société biotechnologique qui développe, commercialise et vend des produits probiotiques qui fournissent des bénéfices médicaux prouvés. Ces produits sont principalement basés sur la bactérie lactique Lactobacillus reuteri (Reuteri), qui a des effets probiotiques bénéfiques pour la santé. Les actions de classe B de la société mère BioGaia AB sont inscrites sur la liste des << Small Cap >> de la bourse nordique NASDAQ OMX de Stockholm. http://www.biogaia.com

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