Cost-utility of Two Strategies of Perineal Reconstruction After Abdominoperineal Resection for Anorectal Carcinoma

  • STATUS
    Recruiting
  • End date
    Feb 11, 2024
  • participants needed
    140
  • sponsor
    University Hospital, Toulouse
Updated on 11 March 2021

Summary

Abdominoperineal resection performed for anorectal tumors leaves a large pelvic and perineal defect causing a high rate of morbidity of the perineal wound (40 - 60 %). Biological meshes offer possibility for a new standard of perineal wound reconstruction. Perineal filling with biological mesh is expected to increase quality of life by reducing perineal morbidity.

Description

Perineal wound problems after abdominoperineal resection (APR) in the context of cancer are frequent. These types of resection problems occur because of wound complications caused by large perineal defects. Indeed, perineal wound complications, perineal abscess, wound dehiscences, chronic fistulas and sinuses lengthen the hospital stays. Futhermore, the standardization of the surgery since the late 2000s and the extralevator technique lead a larger defect and increase i perineal complications.

Several strategies are used to decrease the complication rate. Closure by direct approximation of the pelvic muscles leads to a rate of major complication up to 57% depending on the series. Musculocutaneous flaps help to reduce this rate (16- 65%) but they generate their own morbidity, require experience and increase the costs of care. Finally, the use of biologic meshes since the beginning of 2010 seems to have improve the healing process. However, results are still variable and the only randomized study comparing direct closure and mesh closure showed no significant results at one year. Another ongoing randomized trial is comparing gluteus maximus flap to mesh closure and focusing on physical performances.

This increase in post-operative complications and their consequences causes an increase in costs. In addition, they affect the patients' quality of life and lead to a loss of productivity. From an oncological point of view, perineal scarring problems can cause a delay in the adjuvant therapeutic sequence. Few studies have highlighted the efficiency of perineal wound complications, using cost-effectiveness analyses. In order to clarify the best strategy comparing primary and mesh closure in term of cost effectiveness on perineal healing after ELAPE, we designed this randomized controlled trial.

Details
Condition Abdominoperineal Resection, abdomino-perineal excision
Treatment Biological mesh, Primary perineal wound closure
Clinical Study IdentifierNCT02841293
SponsorUniversity Hospital, Toulouse
Last Modified on11 March 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Age 18
Eastern Cooperative Oncology Group performance status score of 2 or less
Histologically proven rectal adenocarcinoma or anal canal epidermod carcinoma
Abdominoperineal resection indication after multidisciplinary team discussion
for rectal adenocarcinoma: circumferential MRI margin equal or less than 1 mm from closest tumoral structure and a striated muscular layer (levator ani or external anal sphincter)
for epidermoid carcinoma: residual or recurrent tumour after chemoradiotherapy
Voluntary written informed consent
Patients with social security insurance or equivalent social protection

Exclusion Criteria

T4 tumour needing a surgical extensive resection with reconstruction by a musculocutaneous flap
Metastasis disease deemed unresectable with curative intent
Previous pelvic radiotherapy for another disease than the rectal or anal cancer
Immunosuppressive drugs treatment
Uncontrolled diabetes (glycosylated hemoglobin (HbA1c) > 8 % despite adequate therapy)
Patient under juridical protection
Sensitivity to porcine derived products
Enrolment in trial with overlapping primary endpoint
Pregnant women
Breastfeeding women
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