Evidence map›Paper›PMID 32780750›Full record

Trial reportPloS one2020

Simultaneous separation of naproxen and 6-O-desmethylnaproxen metabolite in saliva samples by liquid chromatography-tandem mass spectrometry: Pharmacokinetic study of naproxen alone and associated with esomeprazole.

Thiago José Dionísio, Gabriela Moraes Oliveira, Marina Morettin, Flavio Cardoso Faria, Carlos Ferreira Santos, Adriana Maria Calvo

Open access · goldAbstract readClinical Trial, Phase IVValidation Study
In one paragraph

Trial report in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

6 citing papers in PubMed, 14 citations in OpenAlex.

  1. Article
  2. Metabolites · 2022
    Article
  3. Article
  4. Potential of natural phenolic antioxidant compounds fromSaudi journal of biological sciences · 2022
    Article
  5. Article
  6. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Thiago José DionísioBiological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil.
Gabriela Moraes OliveiraBiological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil.ORCID 0000-0002-0990-7106
Marina MorettinBiological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil.
Flavio Cardoso FariaBiological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil.
Carlos Ferreira SantosBiological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil.
Adriana Maria CalvoBiological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil.ORCID 0000-0002-2876-0955
Universidade de São Paulo · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Naproxen is a widely used non-steroidal anti-inflammatory drug for the control of postoperative inflammatory signs and symptoms in dentistry. Its association with esomeprazole has been widely studied and has yielded good results for the control of acute pain, even with the delayed absorption of naproxen owing to the presence of esomeprazole. To further understand the absorption, distribution, and metabolism of this drug alone and in combination with esomeprazole, we will analyze the pharmacokinetic parameters of naproxen and its major metabolite, 6-O-desmethylnaproxen, in saliva samples. A rapid, sensitive, and selective liquid chromatography-tandem mass spectrometric method for the simultaneous determination of naproxen and 6-O-desmethylnaproxen in saliva will be developed and validated. Sequential saliva samples from six patients will be analyzed before and 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 5, 6 8, 11, 24, 48, 72, and 96 h after the ingestion of one naproxen tablet (500 mg) and esomeprazole-associated naproxen tablets (500 + 20 mg), at two different times. After liquid-liquid extraction with ethyl acetate and HCl, the samples will be analyzed using an 8040 Triple Quadrupole Mass Spectrometer (Shimadzu, Kyoto, Japan). Separation of naproxen and its major metabolic products will be performed using a Shim-Pack XR-ODS 75Lx2.0 column and C18 pre-column (Shimadzu, Kyoto, Japan) at 40°C using a mixture of methanol and 10 mM ammonium acetate (70:30, v/v) with an injection flow of 0.3 mL/min. The total analytical run time will be 5 min. The detection and quantification of naproxen and its metabolite will be validated, which elucidate the pharmacokinetics of this drug, thereby contributing to its proper prescription for the medical and dental interventions that cause acute pain.

Indexed as

Administration, OralAdolescentAdultAnti-Inflammatory Agents, Non-SteroidalChromatography, High Pressure LiquidDose-Response Relationship, DrugDrug CombinationsDrug MonitoringEsomeprazoleFemaleGastrointestinal AbsorptionHumansMaleMethanolMiddle AgedNaproxenAnti-Inflammatory Agents, Non-SteroidaldesmethylnaproxenDrug CombinationsEsomeprazoleMethanolNaproxenTablets

Identifiers

PMID32780750
PMCPMC7418953
OpenAlexW3048489115

What OpenQuestion holds

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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.