The Role of Oxidative Stress in Anti-tumor Necrosis Factor Antibody Treatment in Crohn´s Disease
2012
Administration of anti-tumor necrosis factor alpha antibodies [anti-TNF]-alpha represents a therapeutic approach aimed to diminish
the effects of tumor necrosis factor [TNF]- alpha in Crohn's disease [CD]. Blockade of its action should be related to various
changes including those in immune and inflammatory response. There is a growing body of experimental data to suggest that the chronically
inflamed intestine may be subjected to considerable oxidative stress. The aim of this study was to study the impact of therapy with
anti-TNF [infliximab] on Crohn´s disease activity index [CDAI], markers of inflammatory activity and oxidative stress. Fourteen patients
with active CD received 5mg/kg of infliximab in a single intravenous infusion. CDAI, erythrocyte sedimentation rate [ESR], C-reactive
protein [CRP], fibrinogen [FBG], alpha-1 antitrypsin [AAT], albumin [ALB], ceruloplasmin apoprotein [CP], ferroxidase activity of CP
[FOACP], specific enzymatic activity of CP [SEACP] and conjugated dienes [DIE] were determined before treatment in month 0 [M 0],
in 1st control period in month 1 [M 1] and in 2nd control period in month 5 [M 5] after treatment. In clinical activity a sustained significant
decrease in CDAI was observed, with a significant drop in M 1, remaining in M 5. A significant decrease in ESR in M 1, accompanied
by insignificantly reduced levels of CRP and FBG was present. During the further follow up in M 5 a slight increase of ESR, CRP
and FBG was noticed. A significant decrease of AAT in M 1 was present; this decrease was followed by a significant increase in M 5.
Ceruloplasmin apoprotein levels dropped in M 1, with further slight insignificant increase in M 5. A significant increase of ALB sustaining
in M 5 was present. The levels of DIE slightly decreased in M 1 and significantly in M 5, together with the slight increase of the
FOACP and SEACP in M 1 and significant increase in M 5. We conclude, that oxidative stress may be important in the pathogenesis and
perpetuation of tissue injury in CD patients. The decreasing levels of DIE together with the increase of the FOCP and SEACP after infliximab
treatment together with changes of markers of inflammatory activity, can participate in the improvement of clinical status of patients
with CD.
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