Evidence map›Paper›PMID 39537890›Full record

Trial reportDigestive diseases and sciences2025

Proton-Pump Inhibitors and Fat Absorption in Cystic Fibrosis and Pancreatic Insufficiency: A Randomized Crossover Pilot Trial.

Anna Evans Phillips, Jefferson N Brownell, Alyssa Tindall, Bridget Dowd Kiernan, Dhiren Patel, Daniel Gelfond, Virginia A Stallings

Abstract readRandomized Controlled Trial
In one paragraph

Trial report in Digestive diseases and sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Review
  2. Cystic Fibrosis Year in Review 2024.Pediatric pulmonology · 2025
    Review
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Anna Evans PhillipsDivision of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
Jefferson N BrownellDivision of Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Philadelphia, 3500 Civic Center Blvd., Philadelphia, PA, 19104, USA. brownellj@chop.edu.
Alyssa TindallDivision of Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Philadelphia, 3500 Civic Center Blvd., Philadelphia, PA, 19104, USA.
Bridget Dowd KiernanDivision of Gastroenterology, Hepatology, and Nutrition, New York University, New York, NY, USA.
Dhiren PatelDivision of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Cardinal Glennon Children's Medical Center, Saint Louis University School of Medicine, St. Louis, MO, USA.
Daniel GelfondWNY Pediatric Gastroenterology and Nutrition, DGRD, Buffalo, NY, USA.
Virginia A StallingsDivision of Gastroenterology, Hepatology, and Nutrition, Children's Hospital of Philadelphia, 3500 Civic Center Blvd., Philadelphia, PA, 19104, USA.

Funding

CLINICAL PHARMACOLOGY TRAINING PROGRAMT32GM008562 · NIGMS · THOMAS JEFFERSON UNIVERSITY · PI WALTER K KRAFT, Scott A. Waldman · 1995 to 2026
$10.2M
NIGMS NIH HHS GM008562-23NIGMS NIH HHS T32 GM008562
6 · The paper itself

Abstract

backgroundDietary fat malabsorption contributes to poor nutritional status in patients with cystic fibrosis (CF) and exocrine pancreatic insufficiency (EPI). Prescribing gastric acid-reducing agents such as proton-pump inhibitors (PPI) as an adjunct to pancreatic enzyme replacement therapy (PERT) to improve dietary fat absorption has been accepted in clinical practice despite limited evidence.

aimsThis was a pilot randomized, double-blind, placebo-controlled crossover trial of subjects aged 12 and older with CF and EPI assessed on placebo and omeprazole to determine if PPI improved the efficacy of PERT as indicated by measures of dietary fat absorption.

methodsFat malabsorption via stool coefficient of fat absorption (CFA) and malabsorption blood test (MBT), gastrointestinal pH (wireless motility capsule [WMC]), and quality of life (QOL) were assessed after 14 days on both placebo or PPI (omeprazole).

resultsTotal 19 subjects enrolled, 13 were randomized, and 9 provided paired results on placebo and PPI. The 3 subject results for CFA were as follows: 1 increased, 1 decreased, and 1 was within the reference range in both tests for fat absorption. For 9 MBT subjects, 7 decreased and 2 increased fat absorption. For the 4 WMC studies, no change in transit times, nor in pH profiles were noted. No differences were seen in the domains of the two QOL questionnaires comparing placebo and PPI.

conclusionsThese limited descriptive pilot study results in participants with CF and EPI on PERT evaluated by stool, blood, and QOL tests did not suggest improvement in fat absorption attributable to PPI.

Indexed as

Cystic FibrosisDietary FatsExocrine Pancreatic InsufficiencyIntestinal AbsorptionOmeprazoleProton Pump InhibitorsAdolescentAdultChildCross-Over StudiesDouble-Blind MethodEnzyme Replacement TherapyFemaleHumansMalabsorption SyndromesMaleDietary FatsOmeprazoleProton Pump InhibitorsCFACystic fibrosisMBTPERTProton-pump inhibitorsWMC

Identifiers

PMID39537890
PMCPMC11920344

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.