Evidence map›Paper›PMID 26836480›Full record

ArticleColloids and surfaces. B, Biointerfaces2016

Co-loaded paclitaxel/rapamycin liposomes: Development, characterization and in vitro and in vivo evaluation for breast cancer therapy.

Josimar O Eloy, Raquel Petrilli, José Fernando Topan, Heriton Marcelo Ribeiro Antonio, Juliana Palma Abriata Barcellos, Deise L Chesca, Luciano Neder Serafini, Daniel G Tiezzi, Robert J Lee, Juliana Maldonado Marchetti

Open access · greenAbstract read
In one paragraph

Article in Colloids and surfaces. B, Biointerfaces, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
9.1field-weighted citation impact, top 2% 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

40 citing papers in PubMed, 152 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

10 authors at 2 institutions in 2 countries.

Josimar O EloyCollege of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida do Cafe s/n, 14040-903 Ribeirao Preto, SP, Brazil; College of Pharmacy, The Ohio State University, Columbus, 500W 12th Ave, Columbus, OH 43210, United States.
Raquel PetrilliCollege of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida do Cafe s/n, 14040-903 Ribeirao Preto, SP, Brazil; College of Pharmacy, The Ohio State University, Columbus, 500W 12th Ave, Columbus, OH 43210, United States.
José Fernando TopanCollege of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida do Cafe s/n, 14040-903 Ribeirao Preto, SP, Brazil.
Heriton Marcelo Ribeiro AntonioSchool of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida Bandeirantes s/n, 14040-040 Ribeirao Preto, SP, Brazil.
Juliana Palma Abriata BarcellosCollege of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida do Cafe s/n, 14040-903 Ribeirao Preto, SP, Brazil.
Deise L ChescaSchool of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida Bandeirantes s/n, 14040-040 Ribeirao Preto, SP, Brazil.
Luciano Neder SerafiniSchool of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida Bandeirantes s/n, 14040-040 Ribeirao Preto, SP, Brazil.
Daniel G TiezziSchool of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida Bandeirantes s/n, 14040-040 Ribeirao Preto, SP, Brazil.
Robert J LeeCollege of Pharmacy, The Ohio State University, Columbus, 500W 12th Ave, Columbus, OH 43210, United States.
Juliana Maldonado MarchettiCollege of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Avenida do Cafe s/n, 14040-903 Ribeirao Preto, SP, Brazil. Electronic address: jmarchet@usp.br.
Universidade de São Paulo · BRThe Ohio State University · US

Funding

Translational Therapeutics Research Program (TT)P30CA016058 · NCI · OHIO STATE UNIVERSITY · PI Tasleem J Padamsee · 1985 to 2026
$132.3M
NCI NIH HHS P30 CA016058
6 · The paper itself

Abstract

Paclitaxel and rapamycin have been reported to act synergistically to treat breast cancer. Albeit paclitaxel is available for breast cancer treatment, the most commonly used formulation in the clinic presents side effects, limiting its use. Furthermore, both drugs present pharmacokinetics drawbacks limiting their in vivo efficacy and clinic combination. As an alternative, drug delivery systems, particularly liposomes, emerge as an option for drug combination, able to simultaneously deliver co-loaded drugs with improved therapeutic index. Therefore, the purpose of this study is to develop and characterize a co-loaded paclitaxel and rapamycin liposome and evaluate it for breast cancer efficacy both in vitro and in vivo. Results showed that a SPC/Chol/DSPE-PEG (2000) liposome was able to co-encapsulate paclitaxel and rapamycin with suitable encapsulation efficiency values, nanometric particle size, low polydispersity and neutral zeta potential. Taken together, FTIR and thermal analysis evidenced drug conversion to the more bioavailable molecular and amorphous forms, respectively, for paclitaxel and rapamycin. The pegylated liposome exhibited excellent colloidal stability and was able to retain drugs encapsulated, which were released in a slow and sustained fashion. Liposomes were more cytotoxic to 4T1 breast cancer cell line than the free drugs and drugs acted synergistically, particularly when co-loaded. Finally, in vivo therapeutic evaluation carried out in 4T1-tumor-bearing mice confirmed the in vitro results. The co-loaded paclitaxel/rapamycin pegylated liposome better controlled tumor growth compared to the solution. Therefore, we expect that the formulation developed herein might be a contribution for future studies focusing on the clinical combination of paclitaxel and rapamycin.

Indexed as

AnimalsAntineoplastic Combined Chemotherapy ProtocolsBiological AvailabilityCell Line, TumorCell SurvivalDrug Delivery SystemsFemaleLiposomesMammary Neoplasms, ExperimentalMiceMice, Inbred BALB CMicroscopy, Electron, TransmissionPaclitaxelPhosphatidylethanolaminesPolyethylene GlycolsSirolimus1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-methoxy-poly(ethylene glycol 2000)LiposomesPaclitaxelPhosphatidylethanolaminesPolyethylene GlycolsSirolimusBreast cancerCo-loadingLiposomesPaclitaxelRapamycin

Identifiers

PMID26836480
PMCPMC4957969
OpenAlexW2250377728

What OpenQuestion holds

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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.