Evidence map›Paper›PMID 15517154›Full record

Trial reportDiabetologia2004

The effect of modafinil on counter-regulatory and cognitive responses to hypoglycaemia.

D Smith, A Pernet, J M Rosenthal, E M Bingham, H Reid, I A Macdonald, S A Amiel

Open access · bronzeAbstract readClinical TrialRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Diabetologia, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 2 pooled it
0.5field-weighted citation impact, top 44% of its field
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

16 citing papers in PubMed, 2 syntheses or guidelines pooled it, 31 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Review
  5. Article
  6. Review
  7. Review
  8. Potential approaches to prevent hypoglycemia-associated autonomic failure.Journal of investigative medicine : the official publication of the American Federation for Clinical Research · 2018
    Review
  9. Article
  10. Glucose counterregulatory responses to hypoglycemia.Pediatric endocrinology reviews : PER · 2011
    Review
  11. Article
  12. Article
  13. Article
  14. Review
  15. Article
  16. Islet cell transplantation.Postgraduate medical journal · 2007
    Review
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 at 3 institutions in 1 country.

D SmithDepartment of Diabetes, Guy's, King's and St Thomas', King's College School of Medicine, King's Denmark Hill Campus, London, UK.
A Pernet
J M Rosenthal
E M Bingham
H Reid
I A Macdonald
S A Amiel
University of Cambridge · GBKing's College School · GBUniversity of Nottingham · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aims/hypothesisOur hypothesis is that reducing release of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA) with modafinil will enhance symptomatic and hormonal responses to hypoglycaemia.

methodsNine healthy men received, in random order, two 100-mg doses of modafinil or placebo, followed by an insulin clamp in which plasma glucose was either reduced stepwise to 2.4 mmol/l or was sustained at euglycaemia (four studies). Catecholamines, symptom scores and cognitive function were measured.

resultsModafinil had no effect on the measured parameters during euglycaemia. During hypoglycaemia, autonomic symptom scores were significantly higher with modafinil (increase at lowest plasma glucose concentration 271.3+/-118.9 vs 211.2+/-80.4/40 min, p=0.019), and the heart rate response was increased (12,928+/-184 vs 6773+/-148 bpm/140 min, p=0.016). Deterioration in performance of two cognitive tasks was reduced: Stroop colour-word test (613+/-204 vs 2375+/-161/65 min, p=0.009) and accuracy of a simple reaction task (11.3+/-1.8 vs 9.4+/-3.7, p=0.039). CONCLUSIONS/

interpretationWe conclude that modafinil improves adrenergic sensitivity and some aspects of cognitive function at hypoglycaemia, possibly by reducing neuronal central GABA concentrations.

Indexed as

AdultBenzhydryl CompoundsBlood GlucoseCentral Nervous System StimulantsCognitionDouble-Blind MethodEpinephrineGlucagonGlucose Clamp TechniqueHeart RateHumansHypoglycemiaMaleModafinilPlacebosReaction TimeBenzhydryl CompoundsBlood GlucoseCentral Nervous System StimulantsEpinephrineGlucagonModafinilPlacebos

Identifiers

PMID15517154
OpenAlexW2043797759

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.