Human growth hormone and glutamine for patients with short bowel syndrome
Bibliographic record
Abstract
BACKGROUND: There has been clinical enthusiasm for treating short bowel patients with human recombinant growth hormone and/or glutamine in hopes of reducing parenteral nutrition dependency. It has been more than a decade since Byrne and colleagues reported enhanced absorption of nutrients, improved weight gain, and reduction in parenteral nutrition requirements with the administration of a combination of human growth hormone (HGH) and glutamine in patients with short bowel syndrome. Other studies have reported inconsistent results. OBJECTIVES: The purpose of this systematic review was to evaluate the efficacy of growth hormone with or without glutamine supplementation for adult patients with short bowel syndrome. SEARCH STRATEGY: Electronic searches were performed to identify all publications describing randomised controlled trials of the use of human growth hormone with or without glutamine for the treatment of patients with short bowel syndrome. SELECTION CRITERIA: Randomised controlled trials of human growth hormone with or without glutamine for patients with short bowel syndrome were considered for inclusion. DATA COLLECTION AND ANALYSIS: Two authors independently extracted data from the published studies. The statistical analyses were performed using RevMan 5 software. Follmann's method was used for cross-over studies. MAIN RESULTS: Five studies were included in the review. Human growth hormone with or without glutamine appears to provide benefit in terms of increased weight (MD 1.66 Kg; 95% CI 0.69 to 2.63;P = 0.0008), lean body mass (MD 1.93 Kg; 95% CI 0.97 to 2.90; P = 0.0001) energy absorption (MD 4.42 Kcal; 95% CI 0.26 to 8.58; P = 0.04) and nitrogen absorption (MD 44.85 g; 95%CI 0.20 to 9.49; P = 0.04) for patients with short bowel syndrome. The single RCT that focused on parenteral nutrition (PN) requirements demonstrated decreased PN volume and calories and number of infusions in patients who received HGH with or without glutamine supplementation. Only patients who received HGH with glutamine maintained statistically significant PN reductions at 3 month follow-up. AUTHORS' CONCLUSIONS: The results suggest a positive effect of human growth hormone on weight gain and energy absorption. However, in the majority of trials, the effects are short-lived returning to baseline shortly after cessation of therapy. The temporary benefit calls into question the clinical utility of this treatment. To date, the evidence is inconclusive to recommend this therapy. Consideration should be made to studying patients during the active phase of intestinal adaptation rather than in the setting of chronic intestinal failure. The role of HGH in paediatric short bowel syndrome remains unknown.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.008 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".