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Record W3035345520 · doi:10.2337/db20-126-or

126-OR: Baseline Omega-3 Status Is Associated with Nerve Regeneration following 1 Year of Omega-3 Nutrition Therapy in Patients with Diabetic Neuropathy

2020· article· en· W3035345520 on OpenAlexaboutno aff
Evan J.H. Lewis, Bruce A. Perkins, Leif Erik Lovblom, Adam H. Metherel, Thomas Wolever, Vera Bril

Bibliographic record

VenueDiabetes · 2020
Typearticle
Languageen
FieldMedicine
TopicCorneal Surgery and Treatments
Canadian institutionsnot available
Fundersnot available
KeywordsMedicineDiabetes mellitusNerve fiberInternal medicineBody mass indexDiabetic neuropathyGastroenterologyEndocrinologySurgeryAnatomy

Abstract

fetched live from OpenAlex

We have recently demonstrated that omega-3 nutrition therapy is associated with small nerve fiber regeneration in individuals with type 1 diabetes (T1D). It is unclear if baseline omega-3s relate to the presence of diabetic sensorimotor polyneuropathy (DSP) or nerve regeneration. Forty individuals with T1D participated in a 12-month single-arm open label study of seal oil omega-3 (10 mL/d; 750 mg EPA, 560 mg DPA acid, and 1,020 mg DHA). The primary outcome was the 1-year change in corneal nerve fiber length (CNFL) measured by in vivo corneal confocal microscopy, with sensory and nerve conduction measures as secondary outcomes. Plasma PUFAs were measured at 0, 4, 8 and 12-months. The 40 participants (53% female) had mean±SD age 48±14 years, body mass index 28.1±5.8 kg/m2, diabetes duration 27±18 years and 23(59%) had DSP. At baseline, participants with DSP had lower DHA concentration compared to those without (1.73±0.89% vs. 2.27±0.70, p=0.049). At 12-months, omega-3 nutrition therapy increased group mean plasma EPA by 185%, DPA by 29%, DHA by 79% (p<0.001) and decreased the omega-6 to omega-3 ratio by 45% (p<0.001). On average, CNFL increased 29±46% over the study, indicating small nerve fiber regeneration. This change was associated with the increase in total omega-3 (r=0.41, p=0.013), DPA (r=0.33, p=0.047) and DHA (r=0.42, p=0.012). There were 26(65%) participants that responded to therapy with a change in CNFL >0% and 9(22%) with a clinically significant loss of CNFL >-6%. At baseline, responders had higher total omega-3 (4.38±1.35% vs. 3.12±0.56%, p=0.010), EPA (0.91±0.47% vs. 0.59±0.23%, p=0.040) and DHA (2.16±0.90% vs. 1.34±0.40%, p=0.009).The change in these variables was not different between responders and non-responders (p>0.05). One year of seal oil omega-3 nutrition therapy increased blood omega-3s, while small nerve fiber regeneration appears to be related to baseline omega-3 status. Disclosure E.J.H. Lewis: Board Member; Spouse/Partner; Nutarniq Corp. Employee; Self; Nutarniq Corp. Stock/Shareholder; Self; Nutarniq Corp. B.A. Perkins: Consultant; Self; Abbott, Boehringer Ingelheim International GmbH, Insulet Corporation. Research Support; Self; Boehringer Ingelheim International GmbH, Novo Nordisk A/S. Other Relationship; Self; Medtronic. L. Lovblom: None. A. Metherel: None. T. Wolever: None. V. Bril: Advisory Panel; Self; Alexion Pharmaceuticals, Inc., Alnylam Pharmaceuticals, Takeda Canada. Consultant; Self; Akcea Therapeutics, CSL Behring, Sanofi. Research Support; Self; Biogen, Grifols, Momenta Pharmaceuticals. Funding Diabetes Canada (OG-2-13-4093-VB)

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.003
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0010.000
Insufficient payload (model declined to judge)0.0030.000

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.

Opus teacher head0.015
GPT teacher head0.219
Teacher spread0.204 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2020
Admission routes1
Has abstractyes

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