Cited by 262Clinical Nutrition and GastroenterologyNutrition and Health in AgingDialysis and Renal Disease Management

Association of Baseline Inflammation With Effectiveness of Nutritional Support Among Patients With Disease-Related Malnutrition: A Secondary Analysis of a Randomized Clinical Trial

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Merker, Meret, Felder, Martina, Gueissaz, Louise, Bolliger, Rebekka, Tribolet, Pascal, Kägi-Braun, Nina, Gomes, Filomena, Hoess, Claus +13 more·2020·JAMA Network Open

Abstract

Importance: Inflammation is a key driver of malnutrition during illness and is often accompanied by metabolic effects, including insulin resistance and reduction of appetite. However, it still remains unclear if inflammation influences the response to nutritional support among patients with disease-related malnutrition. Objective: To examine whether patients' baseline inflammatory status is associated with the effect of nutritional support on 30-day mortality. Design, Setting, and Participants: This is a secondary analysis of the Effect of Early Nutritional Support on Frailty, Functional Outcomes, and Recovery of Malnourished Medical Inpatients Trial (EFFORT), a randomized clinical trial conducted in 8 Swiss hospitals from April 2014 to February 2018. A total of 1950 participants who had C-reactive protein measurements at the time of admission were included in this secondary analysis. Data analysis was conducted between June and July 2019. Interventions: Hospitalized patients at risk for malnutrition were randomly assigned to receive protocol-guided individualized nutritional support to reach protein and energy goals (intervention group) or standard hospital food (control group). Main Outcomes and Measures: The primary end point was 30-day mortality. Based on C-reactive protein levels at admission, patients were stratified into groups with low, moderate, or high inflammation (<10 mg/L, 10-100 mg/L, and >100 mg/L, respectively). Results: A total of 1950 patients (median [interquartile range] age, 75 [65-83] years; 1025 [52.6%] men) were included; 533 (27.3%) had low levels of inflammation, 894 (45.9%) had moderate levels of inflammation, and 523 (26.8%) had high levels of inflammation. Compared with the control group, patients receiving nutritional support showed a significant reduction in 30-day mortality, regardless of C-reactive protein level (adjusted odds ratio, 0.61; 95% CI, 0.43-0.86; P = .005). In the subgroup of patients with high inflammation, there was no beneficial effect of nutritional support (adjusted odds ratio, 1.32; 95% CI, 0.70-2.50; P = .39), providing evidence that inflammation has a significant modifying association (P for interaction = .005). Conclusions and Relevance: Based on this secondary analysis of a multicenter randomized trial, a patient's admission inflammatory status was associated with their response to nutritional support. If validated in future clinical trials, nutritional support may need to be individualized based on a patient's initial presentation and markers of inflammation. These results may also help to explain some of the heterogeneity in treatment effects of nutrition seen in previous critical care trials. Trial Registration: ClinicalTrials.gov Identifier: NCT02517476.

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  • An RCT in non-ICU patients suggests that nutritional intervention including both macro- and micronutrients may improve outcomes.

    “An RCT in non-ICU patients suggests that nutritional intervention, including both macro- and micronutrients, may improve outcomes [85].”

    From Gastrointestinal function and nutritional interventions in septic shock (2025) · cites this paper as [85]

    The Introduction reports that the EFFORT randomized trial found fewer complications and deaths with early individualized nutritional support, and Methods > Patient Population and Management says patients initially admitted to an ICU were excluded. This paper is a secondary analysis of that trial, and our copy does not specify that the intervention included both macro- and micronutrients. (LLM, conf=0.85)

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  • In a secondary analysis of the EFFORT trial, patients with CRP levels ≥100 mg/l no longer responded to nutritional therapy, while patients with lower levels had a significant mortality benefit from nutritional support.

    “A secondary analysis of the multicentre randomized-controlled EFFORT trial suggested that patients with CRP levels of !100 mg/l no longer responded to nutritional therapy, while patients with lower levels had a significant mortality benefit from nutritional support [147] (Level of evidence: 1þþ).”

    From ESPEN guideline on nutritional support for polymorbid medical inpatients (2023) · cites this paper as [147]

    The Results section (Effect of Nutritional Support on 30-Day Mortality According to Inflammation Groups; page unavailable) reports a significant 30-day mortality benefit in the low- and moderate-CRP groups, but no significant benefit in the high-CRP group. The claim broadens that outcome-specific finding to patients ‘no longer responding’ to nutritional therapy; the paper also defines the high group as CRP >100 mg/L, not ≥100 mg/L. (LLM, conf=0.84)

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  • Markers of inflammation (i.e., C-reactive protein) have been shown to correlate with disease-related anorexia, reduced food intake, and muscle catabolism, and to predict lack of response to nutritional treatment.

    “Markers of inflammation (i.e.C-reactive protein [CRP]) have been shown to correlate with disease-related anorexia, reduced food intake and muscle catabolism, and at the same predict lack of response to nutritional treatment [147,190,191].”

    From ESPEN guideline on nutritional support for polymorbid medical inpatients (2023) · cites this paper as [147]

    The Introduction describes inflammation as a proposed driver of disease-related anorexia, reduced food intake, and muscle catabolism. The Discussion says patients with initially very high CRP may not respond to nutritional support. The paper does not establish that CRP itself correlates with all three conditions or that it reliably predicts lack of response; its Strengths and Limitations section calls the secondary-analysis findings hypothesis-generating. (LLM, conf=0.85)

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  1. [11]Ross SD The CONSORT statement. JAMA. 1996; 276(23): 1877. doi: 10.1001/jama.1996.03540230027024 8968010 · DOI

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Authors
Merker, M., Felder, M., Gueissaz, L., Bolliger, R., Tribolet, P., Kägi-Braun, N., Gomes, F., Hoess, C., Pavlicek, V., Bilz, S., Sigrist, S., Brändle, M., Henzen, C., Thomann, R., Rutishauser, J., Aujesky, D., Rodondi, N., Donzé, J., Stanga, Z., Mueller, B., & Schuetz, P.
Affiliations
  • University of Basel (CH)
  • Bern University of Applied Sciences (CH)
  • Internal Medicine, Kantonsspital Muensterlingen, Muensterlingen, Switzerland
  • New York Academy of Sciences (US)
  • Kantonsspital Münsterlingen (CH)
  • Kantonsspital St. Gallen (CH)
  • Luzerner Kantonsspital (CH)
  • Internal Medicine, Kantonsspital Solothurn, Solothurn, Switzerland
  • Kantonsspital Baselland (CH)
  • University of Bern (CH)
  • Medical University Department, University of Basel, Kantonsspital Aarau, Aarau, Switzerland
Venue
JAMA Network Open
Published
2020-03-10
Volume
3
Issue
3
Pages
e200663
ISSN
2574-3805 (ISSN-L)
OpenAlex
W3011737478
Cited by
262
References
31
Citations by year
2026: 26 · 2025: 71 · 2024: 56 · 2023: 46 · 2022: 35 · 2021: 21 · 2020: 5 · 2019: 1
FWCI
16.91
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • JAMA Network Open (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • ARBOR - Bern University of Applied Sciences Repository (submittedVersion, other-oa)
  • Bern Open Repository and Information System (University of Bern) (submittedVersion, cc-by)
  • BFH: ARBOR
  • Open Access CRIS of the University of Bern
Funders
  • National Science Foundation
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (150531)
  • Forschungsrat des Kantonsspitals Aarau (1410.000.044, 1410.000.058)
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Clinical Nutrition and Gastroenterology
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
  • Health Sciences › Medicine › Nephrology › Dialysis and Renal Disease Management
Keywords
disease-related malnutrition, inflammation, C-reactive protein, nutritional support, 30-day mortality, frailty, insulin resistance, appetite, older adults, hospital food service, functional outcome, length of hospital stay, hospital readmission
MeSH terms
Aged, Aged, 80 and over, C-Reactive Protein, Female, Hospitalization, Humans, Inflammation, Male, Middle Aged, Cohort Studies, Survival Rate, Treatment Outcome, Nutritional Support, Malnutrition

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