Evidence map›Paper›PMID 22467011›Full record

ArticleLasers in medical science2013

Safety assessment of oral photodynamic therapy in rats.

Carla R Fontana, Mark A Lerman, Niraj Patel, Clovis Grecco, Carlos A de Souza Costa, Mansoor M Amiji, Vanderlei S Bagnato, Nikolaos S Soukos

Registry-linked trialOpen access · greenAbstract read
PubMed Publisher
In one paragraph

Article in Lasers in medical science, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02152475 (PDT With Blue Light and Curcumin for Oral Disinfection), which is not on this map. Cited by 11 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 2 pooled it
1.7field-weighted citation impact, top 15% 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.

NCT02152475 phase1completednot on this map

PDT With Blue Light and Curcumin for Oral Disinfection

TypeinterventionalSponsorUniversity of Sao PauloRan2013 to 2013Enrolled30ConditionsHealthyArmsmouthwash with curcumin, blue LED illumination
3 · Its place in the literature

Who cites it

11 citing papers in PubMed, 2 syntheses or guidelines pooled it, 18 citations in OpenAlex.

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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

8 authors at 4 institutions in 2 countries.

Carla R FontanaDepartment of Clinical Analysis, School of Pharmaceutical Sciences, University of São Paulo State (UNESP), 1621 Expedicionarios do Brasil Street, Araraquara, Sau Paulo, 14801-960, Brazil. fontanacr@fcfar.unesp.br
Mark A Lerman
Niraj Patel
Clovis Grecco
Carlos A de Souza Costa
Mansoor M Amiji
Vanderlei S Bagnato
Nikolaos S Soukos
Universidade de São Paulo · BRNortheastern University · USCentro Universitário de Araraquara · BRHarvard University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Photodynamic therapy (PDT) is based on the synergism of a photosensitive drug (a photosensitizer) and visible light to destroy target cells (e.g., malignant, premalignant, or bacterial cells). The aim of this study was to investigate the response of normal rat tongue mucosa to PDT following the topical application of hematoporphyrin derivative (Photogem®), Photodithazine®, methylene blue (MB), and poly(lactic-co-glycolic acid) (PLGA) nanoparticles loaded with MB. One hundred and thirty three rats were randomly divided in various groups: the PDT groups were treated with the photosensitizers for 10 min followed by exposure to red light. Those in control groups received neither photosensitizer nor light, and they were subjected to light exposure alone or to photosensitizer alone. Fluorescent signals were obtained from tongue tissue immediately after the topical application of photosensitizers and 24 h following PDT. Histological changes were evaluated at baseline and at 1, 3, 7, and 15 days post-PDT treatment. Fluorescence was detected immediately after the application of the photosensitizers, but not 24 h following PDT. Histology revealed intact mucosa in all experimental groups at all evaluation time points. The results suggest that there is a therapeutic window where PDT with Photogem®, Photodithazine®, MB, and MB-loaded PLGA nanoparticles could safely target oral pathogenic bacteria without damaging normal oral tissue.

Indexed as

Administration, OralAnimalsFluorescenceGlucosamineHematoporphyrin DerivativeLactic AcidMaleMethylene BlueMouth MucosaNanoparticlesPhotochemotherapyPhotosensitizing AgentsPolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerRatsRats, WistarGlucosamineHematoporphyrin DerivativeLactic AcidMethylene BlueN-methylglucosaminePhotosensitizing AgentsPolyglycolic AcidPolylactic Acid-Polyglycolic Acid Copolymer

Identifiers

PMID22467011
OpenAlexW2064648006

What OpenQuestion holds

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Read underepoch 390

Registered trials

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.