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Randomized Trial of Longer-Term Therapy
for Symptoms Attributed to Lyme Disease

Anneleen Berende, M.D., Hadewych J.M. ter Hofstede, M.D., Ph.D., Fidel J. Vos, M.D., Ph.D., Henriët van Middendorp, Ph.D., Michiel L. Vogelaar, M.Sc., Mirjam Tromp, Ph.D., Frank H. van den Hoogen, M.D., Ph.D., A. Rogier T. Donders, Ph.D., Andrea W.M. Evers, Ph.D., and Bart Jan Kullberg, M.D., Ph.D.
; 374:1209-1220March 31, 2016DOI: 10.1056/NEJMoa1505425 [N Engl J Med 2016]

CONCLUSIONS
Chez les patients présentant des symptômes persistants attribuables à la maladie de Lyme, un traitement antibiotique à long terme n'a pas eu des effets bénéfiques supplémentaires sur la qualité de vie liée à la santé au-delà de ceux avec un traitement à court terme.
Esculape
A noter que tous les patients avaient reçu un trattement initial de 2 semaines de ceftriaxone en intravéneuxavant, de commencer l'étude, traitement non proposé dans les formes simples (doxycycline ou amoxicllline ou cefuroxime axetil
[Lire]) et [Lire]

Ce traitement initial par de 2 semaines de ceftriaxone en intravéneux serait plus efficace ?,

BACKGROUND
The treatment of persistent symptoms attributed to Lyme disease remains controversial. We assessed whether longer-term antibiotic treatment of persistent symptoms attributed to Lyme disease leads to better outcomes than does shorter-term treatment.

METHODS
In a randomized, double-blind, placebo-controlled trial conducted in Europe, we assigned patients with persistent symptoms attributed to Lyme disease — either related temporally to proven Lyme disease or accompanied by a positive IgG or IgM immunoblot assay for Borrelia burgdorferi — to receive a 12-week oral course of doxycycline, clarithromycin plus hydroxychloroquine, or placebo.

All study groups received open-label intravenous ceftriaxone for 2 weeks before initiating the randomized regimen.

The primary outcome measure was health-related quality of life, as assessed by the physical-component summary score of the RAND-36 Health Status Inventory (RAND SF-36) (range, 15 to 61, with higher scores indicating better quality of life), at the end of the treatment period at week 14, after the 2-week course of ceftriaxone and the 12-week course of the randomized study drug or placebo had been completed. Full Text of Methods..

. RESULTS
Of the 281 patients who underwent randomization, 280 were included in the modified intention-to-treat analysis (86 patients in the doxycycline group, 96 in the clarithromycin–hydroxychloroquine group, and 98 in the placebo group).

The SF-36 physical-component summary score did not differ significantly among the three study groups at the end of the treatment period, with mean scores of 35.0 (95% confidence interval [CI], 33.5 to 36.5) in the doxycycline group, 35.6 (95% CI, 34.2 to 37.1) in the clarithromycin–hydroxychloroquine group, and 34.8 (95% CI, 33.4 to 36.2) in the placebo group (P=0.69; a difference of 0.2 [95% CI, –2.4 to 2.8] in the doxycycline group vs. the placebo group and a difference of 0.9 [95% CI, –1.6 to 3.3] in the clarithromycin–hydroxychloroquine group vs. the placebo group); the score also did not differ significantly among the groups at subsequent study visits (P=0.35).
In all study groups, the SF-36 physical-component summary score increased significantly from baseline to the end of the treatment period (P<0.001). The rates of adverse events were similar among the study groups. Four serious adverse events thought to be related to drug use occurred during the 2-week open-label ceftriaxone phase, and no serious drug-related adverse event occurred during the 12-week randomized phase.
CONCLUSIONS
In patients with persistent symptoms attributed to Lyme disease, longer-term antibiotic treatment did not have additional beneficial effects on health-related quality of life beyond those with shorter-term treatment.
(Funded by the Netherlands Organization for Health Research and Development ZonMw; PLEASE ClinicalTrials.gov number, NCT01207739.)

Source et texte complet [N Engl J Med 2016]

Sur Esculape
Dossier 2016 sur la Maladie de Lyme

"La grande imitatrice"

Diagnostic - Traitement
Alerte sanitaire ? Epidémie ? Controverse ?
[Lire]

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