Evidence map›Paper›PMID 27633250›Full record

ArticleEuropean journal of nuclear medicine and molecular imaging2017

Positron emission tomography measurement of brain MAO-B inhibition in patients with Alzheimer's disease and elderly controls after oral administration of sembragiline.

Stefan Sturm, Anton Forsberg, Stephane Nave, Per Stenkrona, Nicholas Seneca, Andrea Varrone, Robert A Comley, Patrik Fazio, Candice Jamois, Ryuji Nakao and 6 more

Open access · hybridAbstract readControlled Clinical TrialMulticenter Study
In one paragraph

Article in European journal of nuclear medicine and molecular imaging, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
2.5field-weighted citation impact, top 11% 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

14 citing papers in PubMed, 25 citations in OpenAlex.

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  11. In vivo PET imaging of neuroinflammation in Alzheimer's disease.Journal of neural transmission (Vienna, Austria : 1996) · 2018
    Review
  12. Review
  13. Test-retest reproducibility of [EJNMMI research · 2017
    Article
  14. Neuroinflammation in Neurodegenerative Disorders-a Review.Current neurology and neuroscience reports · 2017
    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

16 authors at 6 institutions in 4 countries.

Stefan SturmRoche Innovation Center Basel, Roche Pharmaceutical Research and Early Development, Grenzacherstrasse 124, Basel, Switzerland. stefan.sturm@roche.com.
Anton ForsbergDepartment of Clinical Neuroscience, Centre for Psychiatric Research, Karolinska Institutet, Stockholm, Sweden.
Stephane NaveRoche Innovation Center Basel, Roche Pharmaceutical Research and Early Development, Grenzacherstrasse 124, Basel, Switzerland.
Per StenkronaDepartment of Clinical Neuroscience, Centre for Psychiatric Research, Karolinska Institutet, Stockholm, Sweden.
Nicholas SenecaAstraZeneca Translational Science Center, Stockholm, Sweden.
Andrea VarroneDepartment of Clinical Neuroscience, Centre for Psychiatric Research, Karolinska Institutet, Stockholm, Sweden.
Robert A ComleyAbbVie, North Chicago, IL, USA.
Patrik FazioDepartment of Clinical Neuroscience, Centre for Psychiatric Research, Karolinska Institutet, Stockholm, Sweden.
Candice JamoisRoche Innovation Center Basel, Roche Pharmaceutical Research and Early Development, Grenzacherstrasse 124, Basel, Switzerland.
Ryuji NakaoDepartment of Clinical Neuroscience, Centre for Psychiatric Research, Karolinska Institutet, Stockholm, Sweden.
Zbigniew EjdukInternal Disease and Gastroenterology, Miedzyleski Specialistic Hospital, Warsaw, Poland.
Nabil Al-TawilKarolinska Trial Alliance Phase 1 Unit, Karolinska University Hospital, Stockholm, Sweden.
Ulrika AkenineKarolinska Institutet Alzheimer Disease Research Centre and Clinical Trial Unit, Geriatric Clinic, Karolinska University Hospital, Huddinge, Sweden.
Christer HalldinDepartment of Clinical Neuroscience, Centre for Psychiatric Research, Karolinska Institutet, Stockholm, Sweden.
Niels AndreasenKarolinska Institutet Alzheimer Disease Research Centre and Clinical Trial Unit, Geriatric Clinic, Karolinska University Hospital, Huddinge, Sweden.
Benedicte RicciRoche Innovation Center Basel, Roche Pharmaceutical Research and Early Development, Grenzacherstrasse 124, Basel, Switzerland.
Karolinska Institutet · SERoche (Switzerland) · CHAbbVie (United States) · USAstraZeneca (Sweden) · SEKarolinska University Hospital · SEMiędzyleski Szpital Specjalistyczny w Warszawie · PL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeIn Alzheimer's disease (AD), increased metabolism of monoamines by monoamine oxidase type B (MAO-B) leads to the production of toxic reactive oxygen species (ROS), which are thought to contribute to disease pathogenesis. Inhibition of the MAO-B enzyme may restore brain levels of monoaminergic neurotransmitters, reduce the formation of toxic ROS and reduce neuroinflammation (reactive astrocytosis), potentially leading to neuroprotection. Sembragiline (also referred as RO4602522, RG1577 and EVT 302 in previous communications) is a potent, selective and reversible inhibitor of MAO-B developed as a potential treatment for AD.

methodsThis study assessed the relationship between plasma concentration of sembragiline and brain MAO-B inhibition in patients with AD and in healthy elderly control (EC) subjects. Positron emission tomography (PET) scans using [

resultsAt steady state, the relationship between sembragiline plasma concentration and MAO-B inhibition resulted in an E

conclusionsThis PET study confirmed that daily treatment of at least 1 mg sembragiline resulted in near-maximal inhibition of brain MAO-B enzyme in patients with AD.

Indexed as

Positron-Emission TomographyAcetamidesAdministration, OralAgedAlzheimer DiseaseCase-Control StudiesFemaleHumansMaleMiddle AgedMonoamine OxidaseMonoamine Oxidase InhibitorsProtein BindingPyrrolidinonesAcetamidesMonoamine OxidaseMonoamine Oxidase InhibitorsPyrrolidinonessembragilineAlzheimer’s diseaseMAO-BMonoamine oxidase inhibitorPositron emission tomographySembragiline

Identifiers

PMID27633250
PMCPMC5281649
OpenAlexW2520987649

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.