Status:

UNKNOWN

Antibiotic Treatment foLlowing Surgical drAinage of Perianal abScess; the ATLAS Trial

Lead Sponsor:

dr. IJM Han-Geurts

Collaborating Sponsors:

Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)

Conditions:

Perianal Fistula

Perianal Abscess

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

Rationale: Perianal fistula is a burdening disease with an annual prevalence of 2/100.000 in the Dutch population. More than 90% of crypto-glandular fistulas originate from anorectal abscess. Despite...

Eligibility Criteria

Inclusion

  • Men and women aged 18 years or older
  • Eligible for e-mail questionnaires
  • Sufficient understanding of the Dutch written language (reading and writing)
  • Obtained written informed consent

Exclusion

  • A coexistent anorectal fistula
  • Secondary or recurrent anorectal abscess
  • Presence of an internal fistula opening
  • Any additional surgical procedure performed during the same session
  • Previous (peri)anal surgery
  • Inflammatory bowel disease
  • History of radiation of the pelvic area
  • Anorectal malignancy
  • Immunodeficiency
  • Kidney failure (eGFR \<30ml/min)
  • Valvular heart disease
  • Pregnancy or lactation
  • Postoperative antibiotic prophylaxis indicated for another reason
  • Immunosuppressive medication at the time of surgery
  • Allergy to metronidazole or ciprofloxacin
  • Not able or trouble with swallowing pills
  • Concomitant use of:
  • Tizanidine, theophylline, clozapine, olanzapine, pirfenidone, carbamazepine, agomelatine (these are all CYP1A2 substrates, ciprofloxacin is an inhibitor)
  • Amiodarone, erythromycin, sotalol, azithromycin, citalopram, escitalopram, flecainide, fluconazole, haloperidol \>5mg/day, methadone, ondansetron (concerning prolonged QT interval in combination with ciprofloxacin)
  • Lithium (can cause toxic levels with metronidazole)
  • Lopinavir/ritonavir, ritonavir capsules, temsirolimus, disulfiram (antabuse), mebendazole (can cause serious side effects, confusion and psychosis in combination with metronidazole)
  • Corticosteroids (in combination with ciprofloxacin higher risk of tendinitis and tendon rupture).

Key Trial Info

Start Date :

December 23 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

August 1 2025

Estimated Enrollment :

298 Patients enrolled

Trial Details

Trial ID

NCT05385887

Start Date

December 23 2021

End Date

August 1 2025

Last Update

November 13 2023

Active Locations (11)

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Page 1 of 3 (11 locations)

1

Amphia hospital

Breda, North Brabant, Netherlands, 4818 CK

2

Elisabeth-TweeSteden ziekenhuis

Tilburg, North Brabant, Netherlands, 5022 GC

3

OLVG

Amsterdam, North Holland, Netherlands, 1091 AC

4

Rode Kruis ziekenhuis

Beverwijk, North Holland, Netherlands, 1942 LE