Acute Mesenteric Ischemia Clinical Trial
— ORIAMIOfficial title:
ORal Antibiotics In Acute Mesenteric Ischemia: a Multicenter Randomized Controlled Trial
Acute mesenteric ischemia (AMI) is a life-threatening condition with an increasing incidence (7-13/100000 PY). The mortality of AMI is associated with the development and extent of transmural intestinal necrosis (IN), ranging from 25% without IN to 75% with IN. Given its potential reversibility, preventing the progression of AMI towards IN is now considered a primary therapeutic goal. Early management of AMI can thus avoid fatal outcomes and prevent lifelong complications such as short bowel syndrome. Following the results of a pilot study showing an improvement in survival and lower resection rates, our team created a first-of-its-kind intestinal stroke center (SURVI unit, Beaujon Hospital, Clichy, France) that provides 24/7 standardized multimodal and multidisciplinary care to AMI patients referred from all hospitals in the Paris region. As no randomized clinical trial has ever been conducted, the treatment offered by SURVI is based on pathophysiological knowledge and observational clinical data. AMI naturally progresses to sepsis, surgical complications, and multi-organ failure, direct consequences of IN. Features of sepsis are reported in up to 90% of AMI patients compared with 3-22% of patients with brain or myocardial ischemia, supporting a specific septic component in AMI. Experimental studies demonstrated reduced translocation and mortality in germ-free animals or after administration of oral antibiotics targeting Gram-negative and anaerobic early bacterial overgrowth and translocation. In a prospective observational study, the investigators recently suggested a protective effect of systematic oral antibiotics in terms of intestinal preservation, yielding a reduced occurrence of IN (HR: 0.16, 95% confidence interval 0.03-0.62). However, the systematic use of oral antibiotics in AMI remains controversial due to the individual and collective risk of increasing the carriage of multi-drug resistant bacterias.
Status | Not yet recruiting |
Enrollment | 196 |
Est. completion date | October 1, 2027 |
Est. primary completion date | October 1, 2027 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 90 Years |
Eligibility | Inclusion Criteria: - Adult patient aged 18 and less 90 - AMI of arterial occlusive origin, defined by the combination of 1. Onset < 7 days of clinical, biological and/or radiological signs of acute intestinal injury in the territory of at least superior mesenteric ischemia, including right-side colitis, 2. significant vascular obstruction > 75% of the superior mesenteric artery, and 3. no alternative diagnosis - Admitted to the SURVI care network (Beaujon Hospital intensive care unit or SURVI, Bichat intensive care unit or vascular surgery department) Exclusion Criteria: - Other forms of mesenteric ischemia (chronic without acute manifestations, venous, non-occlusive, strangulation, aortic dissection) - Isolated left-side ischemic colitis - Mesenteric vascular lesion without small bowel injury or right colon - Not eligible for vascular or digestive surgery or intensive care (palliative context) - Indication for an emergency surgical intestinal resection at the admission to the SURVI care network - Indication for urgent systemic antibiotic treatment on admission (evidence of sepsis defined as a SOFA score of 2 or more associated with an infection) - Systemic or oral antibiotic therapy within 7 days before inclusion - Known hypersensitivity to the active substance /excipients - Contraindications to the investigational medicinal products (gentamicin, metronidazole) - Unable to give consent (under guardianship or curatorship) - Subject deprived of freedom, subject under a legal protective measure - Patient refusal to participate - Non-affiliation to a social security regimen or CMU - Patient under State Medical Aid - Pregnant or breastfeeding women - Participation in another clinical study involving investigational medicinal product or patient being in the exclusion period at the end of a previous study |
Country | Name | City | State |
---|---|---|---|
France | Gastroentérologie-Hépatologie Beaujon | Clichy | |
France | Réanimation - Beaujon | Clichy | |
France | Chirurgie vasculaire | Paris | |
France | Réanimation Bichat | Paris |
Lead Sponsor | Collaborator |
---|---|
Assistance Publique - Hôpitaux de Paris |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The primary objective is to assess the efficacy of oral antibiotics compared to placebo on reducing the rate of intestinal necrosis or death (composite primary outcome) in AMI patients within 30 days following the randomisation. | Occurrence of intestinal necrosis or death within 30 days following randomisation defined by the following criteria histology assessment OR all-cause mortality within 30 days following randomisation | 30 days after randomisation | |
Secondary | the rate of intestinal necrosis in the 30 days following the randomisation | occurrence of intestinal necrosis within the 30 days following the randomisation. | 30 days after randomisation | |
Secondary | the rate of short bowel syndrome (<200cm of remnant small bowel) at day-30 following the randomisation | short bowel syndrome at day-30 after the randomisation | 30 days after randomisation | |
Secondary | the length of intestinal resection at day-30 following the randomisation | total length of intestinal resection at day 30 following the randomisation | 30 days after randomisation | |
Secondary | the occurrence of organ failures within the 30 days following the randomisation | occurrence of organ failure within the 30 days following the randomisation | 30 days after randomisation | |
Secondary | the length of ICU stay | number of days in the intensive care unit | 30 days after randomisation | |
Secondary | the length of hospital stay | number of hospitalization days | 30 days after randomisation | |
Secondary | expected minor side effects during the 14 days of treatment | Occurrence of minor side effects | 14 days after randomisation | |
Secondary | hypersensitivity reactions during the 14 days of treatment | Occurrence of hypersensitivity reaction to antibiotics | 14 days after randomisation | |
Secondary | unexpected or serious adverse event throughout the duration of the study | Occurrence of other adverse events | 30 days after randomisation | |
Secondary | the occurrence of healthcare-associated infection | Occurrence of healthcare-associated infection | 30 days after randomisation | |
Secondary | the gentamicin during the 14 days of treatment | Blood levels of gentamicin at randomisation day , days 7 and 14 after randomisation | 14 days after randomisation | |
Secondary | the metronidazole during the 14 days of treatment | Blood levels of metronidazole at randomisation day, days 7 and 14 after randomisation | 14 days after randomisation |
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