NCT06906029

Abdominal aBscess Catheter Sclerotherapy (ABCS)

• Status: Not Yet Recruiting
• Phase: Phase 1 / Phase 2
• Study type: Interventional
• Enrollment: 60 (estimated)
• Sponsor: University of Alabama at Birmingham · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

This is a single center, two arm phase I/II clinical trial exploring the use of chemical sclerosants (ethanol and povidone iodine) in decreasing the time needed for catheter drainage for patients with non-fistulous intraabdominal abscesses. The target study sample size is 60 patients, 30 in each arm and abscess size is to be a minimum of 3cm in all 3 dimensions. The primary outcomes of interest will be tolerability and need for catheter reinsertion by one week post intervention.

Detailed description

This is a two-arm prospective phase I/II clinical trial to assess the safety of a protocol of catheter-based drainage and povidone iodine or ethanol sclerotherapy of non-fistulous intraabdominal abscesses. The study aims to enroll approximately 60 total subjects with 30 per arm. The abscess should be intraperitoneal with a minimum diameter of 3cm in all three dimensions and devoid of suspicion for relation to a fistula. The described technique above will be employed to place a drainage catheter of minimum 14F in caliber and obtain an antimicrobial sample. Saline lavage will be performed by irrigating the abscess and aspirating the contents until the character of the instilled and aspirated fluid are similar. Following this step the cavity will be drained in full and a volume of approximately equal to the cavity of povidone iodine or ethanol will be instilled through the catheter with the catheter turned off to drainage. After approximately two minutes the drain will be opened to gravity and two minutes of additional time will be allotted to drain any excess povidone iodine or ethanol. The catheter will then be removed, and the site dressed with gauze and film dressing. The patient will then be followed clinically in the hospital for at least 48 hours and by phone check in for 7 days.

Conditions

• Abdominal Abscess

Interventions

Type	Name	Description
DRUG	Catheter Sclerotherapy	Place a drainage catheter of minimum 14F in caliber and obtain an antimicrobial sample. Saline lavage will be performed by irrigating the abscess and aspirating the contents until the character of the instilled and aspirated fluid are similar. Following this step the cavity will be drained in full and a volume of approximately equal to the cavity of povidone iodine or ethanol will be instilled through the catheter with the catheter turned off to drainage. After approximately two minutes the drain will be opened to gravity and two minutes of additional time will be allotted to drain any excess povidone iodine or ethanol. The catheter will then be removed, and the site dressed with gauze and film dressing. The patient will then be followed clinically in the hospital for at least 48 hours and by phone check in for 7 days.

Timeline

• Start date: 2026-07-01
• Primary completion: 2028-07-01
• Completion: 2028-07-01
• First posted: 2025-04-02
• Last updated: 2025-07-11

Locations

1 site across 1 country: United States

Regulatory

• FDA-regulated drug study