Evidence map›Paper›PMID 30972562›Full record

ArticleThe AAPS journal2019

Dissolution Chamber for Small Drug Delivery System in the Periodontal Pocket.

Wei Ren, Michael Murawsky, Terri La Count, Apipa Wanasathop, Xin Hao, Gary R Kelm, Darby Kozak, Bin Qin, S Kevin Li

Open access · greenAbstract read
In one paragraph

Article in The AAPS journal, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
0.3field-weighted citation impact, top 52% 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

5 citing papers in PubMed, 8 citations in OpenAlex.

  1. Review
  2. Article
  3. Review
  4. Review
  5. Article
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

9 authors at 2 institutions in 1 country.

Wei RenDivision of Pharmaceutical Sciences, James L Winkle College of Pharmacy, University of Cincinnati, 231 Albert Sabin Way, MSB # 3005, Cincinnati, Ohio, 45267-0514, USA.
Michael MurawskyDivision of Pharmaceutical Sciences, James L Winkle College of Pharmacy, University of Cincinnati, 231 Albert Sabin Way, MSB # 3005, Cincinnati, Ohio, 45267-0514, USA.
Terri La CountDivision of Pharmaceutical Sciences, James L Winkle College of Pharmacy, University of Cincinnati, 231 Albert Sabin Way, MSB # 3005, Cincinnati, Ohio, 45267-0514, USA.
Apipa WanasathopDivision of Pharmaceutical Sciences, James L Winkle College of Pharmacy, University of Cincinnati, 231 Albert Sabin Way, MSB # 3005, Cincinnati, Ohio, 45267-0514, USA.
Xin HaoDivision of Pharmaceutical Sciences, James L Winkle College of Pharmacy, University of Cincinnati, 231 Albert Sabin Way, MSB # 3005, Cincinnati, Ohio, 45267-0514, USA.
Gary R KelmDivision of Pharmaceutical Sciences, James L Winkle College of Pharmacy, University of Cincinnati, 231 Albert Sabin Way, MSB # 3005, Cincinnati, Ohio, 45267-0514, USA.
Darby KozakOffice of Research and Standards, Office of Generic Drugs, U.S. Food and Drug Administration, Silver Spring, Maryland, 20993, USA.
Bin QinOffice of Research and Standards, Office of Generic Drugs, U.S. Food and Drug Administration, Silver Spring, Maryland, 20993, USA.
S Kevin LiDivision of Pharmaceutical Sciences, James L Winkle College of Pharmacy, University of Cincinnati, 231 Albert Sabin Way, MSB # 3005, Cincinnati, Ohio, 45267-0514, USA. kevin.li@uc.edu.
University of Cincinnati · USUnited States Food and Drug Administration · US

Funding

Development of a Dissolution Method for Long-acting Periodontal Drug ProductsU01FD005446 · FDA · UNIVERSITY OF CINCINNATI · PI LI, KEVIN S. · 2015 to 2016
$250k
FDA HHS U01 FD005446
6 · The paper itself

Abstract

Existing dissolution chambers have relatively large volume compared to the size of the periodontal pocket. A small volume dissolution method that simulates the physiological release environment for periodontal drug delivery is needed. The objectives were to construct a small, more physiologically relevant, dissolution chamber and investigate the properties of the new dissolution chamber for the assessment of sustained drug release systems in periodontal delivery. Flow-through dissolution chambers were constructed using three-dimensional (3D) printing. Drug release experiments were performed using the dissolution chamber and a commercially available long-acting periodontal insert product, PerioChip®. Similar experiments were performed under more traditional larger volume bulk solution conditions for comparison. Computer simulations and experimental results showed that drug clearance from the dissolution chamber was fast compared to drug release from the periodontal product. Drug clearance from the flow-through dissolution chamber and drug release from the sustained release product in the chamber were related to the dissolution medium flow rate and chamber volume. Drug release in the flow-through chamber was slower than that observed in bulk solution, but approached it when the medium flow rate increased. The presence of trypsin in the dissolution medium enhanced drug release from the product. A flow-through dissolution system was constructed that could evaluate drug release from a sustained release product in a small dimension environment by modifying the flow rate and composition of the dissolution medium.

Indexed as

Drug LiberationChemistry, PharmaceuticalChlorhexidineComputer SimulationDelayed-Action PreparationsDrug Delivery SystemsEquipment DesignHumansPeriodontal PocketChlorhexidinechlorhexidine gluconateDelayed-Action Preparationschlorhexidinedissolution studydrug releasein vitro release testing (IVRT)periodontal pocket

Identifiers

PMID30972562
PMCPMC6624068
OpenAlexW2939963631

What OpenQuestion holds

Textmetadata
LicenceTDM
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.