Researchers are testing whether adding pectin fiber to tube feeding helps critically ill patients on breathing machines tolerate nutrition better and recover faster. According to Gram Research analysis, the PROMOTE trial—a study across 10 Chinese hospitals—will measure whether patients receiving pectin-supplemented feeding achieve their nutrition goals better than those receiving regular feeding by day 5. Results aren’t available yet, as this is the study protocol, but findings could change how doctors feed patients in intensive care.
Researchers are testing whether adding pectin, a natural fiber found in fruits, to feeding tubes can help critically ill patients in hospitals receive better nutrition. When patients are on breathing machines in intensive care, doctors feed them through tubes directly into their stomachs. However, many patients develop stomach problems that prevent them from getting enough nutrition. According to Gram Research analysis, this new study will test whether pectin can reduce these stomach problems and help patients get the nutrition they need to recover faster. The trial involves 10 hospitals in China and will track how much nutrition patients actually receive compared to what doctors prescribed.
Key Statistics
The PROMOTE trial is a multicenter randomized controlled trial across 10 hospitals in China designed to test whether 90 grams of pectin per 500 mL of enteral nutrition improves feeding tolerance in critically ill patients on mechanical ventilation.
In the PROMOTE trial, the primary outcome measured on day 5 is the ratio of actual enteral nutrition energy intake to prescribed target energy, with secondary outcomes including incidence of feeding intolerance, ICU stay duration, and 28-day mortality rates.
Pectin, a water-soluble dietary fiber, has shown potential to reduce diarrhea and improve feeding tolerance in previous studies, though evidence remains inconsistent, prompting this rigorous trial in critically ill patients.
The Quick Take
- What they studied: Whether adding pectin (a type of fiber) to tube feeding helps critically ill patients on breathing machines tolerate their nutrition better and get stronger faster.
- Who participated: Adult patients in intensive care units who just started using breathing machines (within 72 hours) and need feeding tubes. The study will happen across 10 hospitals in China.
- Key finding: This is a protocol paper describing a study that hasn’t finished yet. Researchers will measure whether patients receiving pectin-supplemented feeding get closer to their nutrition goals by day 5 compared to patients receiving regular feeding.
- What it means for you: If pectin works, it could help critically ill patients recover faster by preventing stomach problems that interfere with nutrition. However, results won’t be available until the study completes. This research is still in the planning stage.
The Research Details
This is a randomized controlled trial, which is considered one of the strongest types of medical research. Researchers will randomly assign patients to two groups: one group receives regular tube feeding, while the other group receives the same feeding with added pectin (90 grams per 500 mL of feeding solution). The study will happen at 10 different hospitals in China, which helps make the results more reliable because they come from multiple locations.
Patients will be followed for up to 7 days after starting the study, or until they leave the hospital, stop needing the feeding tube, or pass away—whichever comes first. By comparing the two groups, researchers can see if pectin actually makes a difference in how well patients tolerate tube feeding and recover from their critical illness.
The main measurement will be how much nutrition patients actually receive compared to how much doctors prescribed on day 5. Researchers will also track stomach problems, how long patients stay in intensive care, how long they need breathing machines, and whether they survive to 28 days.
This research approach is important because it tests pectin in real hospital settings with actual critically ill patients, not just in laboratory conditions. Randomizing patients to different groups helps eliminate bias—the tendency to see what we expect to see. By measuring specific outcomes like nutrition delivery and stomach tolerance, researchers can determine whether pectin actually works or if any improvements happen by chance.
This study design is strong because it’s randomized (reducing bias) and will include multiple hospitals (making results more generalizable). However, this paper is a protocol—a plan for the study—not the actual results. The study hasn’t been completed yet, so we don’t know if pectin actually works. The open-label design means both doctors and patients know who’s receiving pectin, which could introduce some bias, but the randomization helps minimize this problem.
What the Results Show
This paper describes the study plan, not actual results. The researchers haven’t yet completed the PROMOTE trial, so there are no findings to report. The study is designed to measure the primary outcome on day 5 after patients start the study: the percentage of prescribed nutrition that patients actually receive. This is important because critically ill patients often can’t tolerate full feeding due to stomach complications like diarrhea and vomiting.
The researchers chose day 5 because this is when feeding problems typically become apparent in intensive care patients. By comparing how much nutrition patients in the pectin group receive versus the regular feeding group, researchers can determine whether pectin helps patients tolerate more nutrition.
Beyond the main nutrition measurement, the study will track several other important outcomes. These include the total amount of calories and protein patients receive daily, how often patients develop feeding intolerance (stomach problems), how many days patients spend in intensive care, how long they need breathing machines, total hospital stay length, and whether patients survive 28 days after enrollment. The study will also count how many days patients are free from the intensive care unit, hospital, and breathing machines within the first 28 days.
Previous research suggests that pectin, a water-soluble fiber, may reduce diarrhea and improve feeding tolerance in some patient populations. However, the evidence has been inconsistent—some studies show benefits while others don’t. This PROMOTE trial aims to provide clearer evidence specifically for critically ill patients on breathing machines receiving gastric feeding. The study’s multicenter design and focus on objective outcomes like nutrition delivery will help determine whether pectin truly works in this specific patient population.
This is a protocol paper, so the main limitation is that results aren’t available yet. When results do come out, potential limitations may include the open-label design (patients and doctors know who gets pectin), which could introduce bias. The study only includes patients from China, so results may not apply equally to other populations. Additionally, the study only lasts up to 7 days, so we won’t know about long-term effects of pectin supplementation.
The Bottom Line
This is a protocol paper, so no clinical recommendations can be made yet. Once the PROMOTE trial completes and publishes results, healthcare providers may consider pectin supplementation for critically ill patients on tube feeding if the study shows benefits. Currently, pectin supplementation for tube feeding in intensive care is not standard practice and should only be used under medical supervision as part of research studies.
This research matters most to intensive care doctors and nurses, hospital nutritionists, and families of critically ill patients on feeding tubes. If pectin proves effective, it could benefit any patient requiring tube feeding in intensive care. However, until results are published, this remains experimental. Patients should not add pectin to feeding tubes without medical supervision.
The study is currently enrolling patients and hasn’t completed yet. Once enrollment finishes and follow-up is complete, researchers will need time to analyze data and publish results. Typically, this process takes 12-24 months after the last patient completes the study. Realistic expectations are that results will be available sometime in 2026 or 2027.
Frequently Asked Questions
What is pectin and why would it help patients on feeding tubes?
Pectin is a natural fiber found in fruits that absorbs water in the digestive system. It may reduce diarrhea and stomach problems that prevent tube-fed patients from getting enough nutrition. The PROMOTE trial tests whether adding pectin to feeding solutions helps critically ill patients tolerate nutrition better.
Can I give pectin to my family member on a feeding tube right now?
No. Pectin supplementation for tube feeding in intensive care is currently experimental and only being tested in research studies like the PROMOTE trial. Any changes to feeding should only be made by the medical team. Talk to doctors before adding anything to feeding tubes.
When will we know if pectin actually works for critically ill patients?
The PROMOTE trial is still enrolling patients and hasn’t finished yet. Results typically become available 12-24 months after the last patient completes the study. Expect published findings sometime in 2026 or 2027, depending on enrollment speed.
How many patients are in the PROMOTE trial?
The protocol paper doesn’t specify the exact sample size, but the study involves 10 hospitals across China enrolling newly admitted critically ill patients requiring mechanical ventilation and gastric feeding. The actual number will be determined during the study.
What problems do tube-fed patients usually have that pectin might fix?
Critically ill patients on feeding tubes often develop diarrhea, vomiting, bloating, and stomach intolerance that prevents them from receiving full nutrition. These problems slow recovery. Pectin may reduce these complications by absorbing water and improving digestive tolerance.
Want to Apply This Research?
- For patients or caregivers tracking tube feeding tolerance, monitor daily: (1) percentage of prescribed nutrition actually delivered, (2) number of feeding interruptions due to stomach problems, (3) stool consistency and frequency, (4) abdominal discomfort or bloating episodes.
- If a loved one is on tube feeding, work with the medical team to track feeding tolerance daily. Document any stomach problems, feeding interruptions, or changes in symptoms. Share this information with doctors and nutritionists to help optimize feeding plans.
- Long-term tracking should include weekly reviews of nutrition delivery percentages, cumulative days free from feeding complications, and overall recovery progress. If pectin supplementation becomes available, compare these metrics before and after implementation with medical team guidance.
This article describes a research protocol for a clinical trial that is currently ongoing. Results are not yet available. This information is for educational purposes only and should not be used to make medical decisions. Pectin supplementation for tube feeding in intensive care patients should only be administered under direct medical supervision as part of approved clinical trials or with explicit physician approval. If you or a loved one is receiving tube feeding, consult with your healthcare team before making any changes to feeding protocols. This research has not yet demonstrated clinical efficacy in the target population.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.