Tailoring limb length based on total small bowel length in one anastomosis gastric bypass surgery (TAILOR study): study protocol for a randomized controlled trial

  • Nienke Slagter*
  • , Loek J. M. de Heide
  • , Ewoud H. Jutte
  • , Mirjam A. Kaijser
  • , Stefan L. Damen
  • , Andre P. van Beek
  • , Marloes Emous
  • *Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    10 Citations (Scopus)
    133 Downloads (Pure)

    Abstract

    Background: The one anastomosis gastric bypass (OAGB) is being performed by an increasing number of bariatric centers over the world. However, the optimal length of the biliopancreatic (BP) limb remains a topic of discussion. Retrospective studies suggest the benefit of tailoring BP-limb length; however, randomized trials are lacking. The aim of this study is to investigate whether tailoring the length of the BP-limb based on total small bowel length (TSBL) leads to better results in terms of weight loss, vitamin deficiencies, and bowel movements compared to a fixed BP-limb length.

    Methods: The TAILOR study is a double-blind single-center randomized controlled trial. Patients scheduled for primary OAGB surgery will be randomly allocated either to a standard BP-limb of 150 cm or to a BP-limb length based on their TSBL: TSBL < 500 cm, BP-limb 150 cm; TSBL 500-700 cm, BP-limb 180 cm; TSBL > 700 cm, BP-limb 210 cm. The primary outcome is to compare the percent total weight loss (%TWL) at 5 years between the two groups. Secondary outcomes include nutritional deficiencies, remission of comorbidities, symptoms of dumping, quality of life, and daily bowel movements. The study includes a total of 212 patients and is designed to detect a 5% difference in the primary endpoint.

    Discussion: The TAILOR study will provide new insights into the effect of different BP-limb lengths and the role of the TSBL in the OAGB. The study is designed to provide guidance for bariatric surgeons to determine the optimal BP-limb length in the OAGB.

    Original languageEnglish
    Article number526
    Number of pages8
    JournalTrials
    Volume23
    Issue number1
    DOIs
    Publication statusPublished - 22-Jun-2022

    Keywords

    • Bariatric surgery
    • One anastomosis gastric bypass
    • Biliopancreatic limb
    • Tailoring limb length
    • Total small bowel length
    • MORBID-OBESITY
    • IMPACT
    • EXPERIENCE
    • 6-YEAR

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