Safety Framework for Gastric Mucosal Ablation (GMA) Using Hybrid Argon Plasma Coagulation (hAPC): International Expert Consensus - Summary - MDSpire

Safety Framework for Gastric Mucosal Ablation (GMA) Using Hybrid Argon Plasma Coagulation (hAPC): International Expert Consensus

  • By

  • Vivek Kumbhari

  • Adrian Sartoretto

  • Ivo Boskoski

  • Diogo de Moura

  • Dilhana Badurdeen

  • Daniel Maselli

  • Eduardo de Moura

  • Valerio Pontecorvi

  • Barham Abu Dayyeh

  • Christopher McGowan

  • May 16, 2026

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Objective:

To develop a structured safety framework for gastric mucosal ablation (GMA) using hybrid argon plasma coagulation (hAPC) based on expert consensus for clinical investigations.

Key Findings:
  • GMA is an investigational endoscopic technique aimed at reducing appetite and promoting weight loss, with ongoing research needed.
  • Safety guidelines include pre-procedure saline injection, careful ablation techniques, and post-procedure care.
  • The consensus emphasizes the importance of training and procedural safeguards to minimize complications, reflecting the investigational nature of GMA.
Interpretation:

The guidelines aim to optimize the safety profile of GMA while acknowledging its investigational status and the need for further clinical evidence.

Limitations:
  • Current evidence is primarily from small, single-arm studies with limited follow-up.
  • No randomized controlled trials comparing GMA with standard care have been completed.
  • Long-term data on safety and efficacy are lacking, necessitating caution in application.
Conclusion:

The expert consensus provides actionable recommendations for safe GMA practices, intended for use in clinical investigations rather than routine clinical adoption.

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