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All gastroenterology & hepatology briefings

The edition · Gastroenterology & Hepatology

The 30% elastography rule is weaker than the guideline implies

A fall of 30% in liver stiffness identifies fibrosis regression in MASH only modestly well; SGLT2 inhibitors look clean for gastrointestinal cancer over short follow-up; and a Swedish register argues surveillance in IBD should follow the number of affected relatives, not their age.

The edition in brief

Four findings for the gastroenterology and hepatology desk, plus one regulatory action. AASLD guidance allows a fall in liver stiffness on transient elastography to stand as a non-invasive marker of treatment response in metabolic dysfunction-associated steatohepatitis. This analysis tested it directly in 160 adults with biopsy-proven MASH and stage 2-3 fibrosis, all of whom had paired elastography and biopsy at two time points within a phase 2b trial of pegozafermin. A relative decline of 30% or more detected fibrosis regression with an area under the curve of 0.68 (95% CI 0.58-0.77), and was independently associated with regression after adjustment (odds ratio 4.23, 95% CI 1.79-10.38). In a separate validation cohort of 48 patients from the United States and Singapore the area under the curve was 0.62 (95% CI 0.48-0.76), an interval that includes chance. A meta-analysis of 48 randomised trials and 48,765 patients with type 2 diabetes found no association between SGLT2 inhibitors and gastrointestinal neoplasms overall (odds ratio 1.10, 95% CI 0.84-1.44, I-squared 0%), nor at any individual site. About half the trials followed patients for a year or less and cancers were captured as adverse events rather than adjudicated endpoints. Caregivers of 8,000 children aged 0-17 in China, Italy, Mexico and the USA completed a Rome V survey: 28.0% of children met criteria for a disorder of gut-brain interaction, falling from about 41% at ages 0-3 to 22% in adolescents. A Swedish register followed 124,387 patients with IBD and 1,213,641 matched comparators. Two or more affected first-degree relatives raised colorectal cancer incidence by 2.69 per 1,000 person-years; early-onset family history added little. The FDA approved a supplement to Dr Reddy's generic omeprazole application on 27 August.

In this edition
01
Clinical update

A 30% fall in liver stiffness is a weak proxy for fibrosis regression

A 30% relative fall in liver stiffness detects fibrosis regression in MASH only modestly (AUC 0.68, and 0.62 in validation), so treat it as one supporting signal rather than a non-invasive endpoint in an individual patient.

3 min · Hepatology (Baltimore, Md.)Read →
Primary outcome
fibrosis regression without worsening MASH on biopsy
Effect
AUC 0.68 (95% CI 0.58-0.77) for a 30% or greater fall in liver stiffness; adjusted OR 4.23 (95% CI 1.79-10.38); validation AUC 0.62 (95% CI 0.48-0.76)
02Research

SGLT2 inhibitors show no gastrointestinal cancer signal, over short follow-up

Across 48 randomised trials and 48,765 patients, SGLT2 inhibitors showed no association with gastrointestinal neoplasms (OR 1.10, 95% CI 0.84-1.44), which is reassuring for short-term use and silent on long-term risk.

3 min · Clinical and experimental medicineRead →
03Research

More than a quarter of children meet criteria for a gut-brain disorder

About 28% of children meet Rome V criteria for a disorder of gut-brain interaction, mostly defecation and anorectal disorders, and the overlap of upper and lower symptoms carries the heaviest burden of anxiety, disability and family time.

3 min · GutRead →
04Regulatory

FDA clears a supplement to Dr Reddy's generic omeprazole application

This is an administrative approval of a supplement to an Indian-held generic omeprazole application in the United States, with no change to how omeprazole should be prescribed, and it is a reasonable prompt to review long-term proton pump inhibitor use.

2 minRead →
05Pearl

Take the colorectal cancer family history as a count, not as a yes or no

Record how many first-degree relatives had colorectal cancer and at what ages, as numbers in the notes, because a positive or negative family history cannot support a surveillance decision.

1 minRead →
06
Practice changer

In IBD, count the affected relatives rather than checking their age

In IBD, two or more affected first-degree relatives carried the clearest excess colorectal cancer risk (2.69 extra cases per 1,000 person-years), while an early-onset family history added little, so record the count of affected relatives and weigh it when setting surveillance intervals.

3 min · GastroenterologyRead →
Primary outcome
colorectal cancer incidence rates and rate differences by number and age at diagnosis of affected first-degree relatives
Effect
incidence 1.17 (95% CI 1.12-1.23) vs 0.88 (0.86-0.89) per 1,000 person-years; 2 or more affected relatives added 2.69 (0.60-4.78) per 1,000 person-years, early-onset family history 0.42 (-0.47 to 1.31)

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