Evidence map›Paper›PMID 17140259›Full record

ArticleMolecular pharmaceutics

Pharmacokinetic and biodistribution studies of a bone-targeting drug delivery system based on N-(2-hydroxypropyl)methacrylamide copolymers.

Dong Wang, Monika Sima, R Lee Mosley, Jasmine P Davda, Nicole Tietze, Scott C Miller, Peter R Gwilt, Pavla Kopecková, Jindrich Kopecek

Abstract readComparative StudyEvaluation Study
In one paragraph

Article in Molecular pharmaceutics. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
–field-weighted citation impact
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

31 citing papers in PubMed.

  1. Review
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  5. Article
  6. Article
  7. Review
  8. Polymer nanomedicines.Advanced drug delivery reviews · 2020
    Review
  9. Review
  10. Article
  11. Review
  12. Article
  13. Indium-based and iodine-based labeling of HPMA copolymer-epirubicin conjugates: Impact of structure on the in vivo fate.Journal of controlled release : official journal of the Controlled Release Society · 2016
    Article
  14. Bone site-specific delivery of siRNA.Journal of biomedical research · 2016
    Review
  15. Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. 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

9 authors.

Dong WangDepartment of Pharmaceutics and Pharmaceutical Chemistry/CCCD, University of Utah, Salt Lake City, Utah 84112, USA.
Monika Sima
R Lee Mosley
Jasmine P Davda
Nicole Tietze
Scott C Miller
Peter R Gwilt
Pavla Kopecková
Jindrich Kopecek

Funding

BONE TARGETED DELIVERY OF ANABOLIC AGENTSR01GM069847 · NIGMS · UNIVERSITY OF UTAH · PI KOPECEK, JINDRICH H. · 2004 to 2011
$2.3M
NIGMS NIH HHS GM069847NIGMS NIH HHS R01 GM069847
6 · The paper itself

Abstract

Osteotropicity of novel bone-targeted HPMA copolymer conjugates has been demonstrated previously with bone histomorphometric analysis. The pharmacokinetics and biodistribution of this delivery system were investigated in the current study with healthy young BALB/c mice. The 125I-labeled bone-targeted and control (nontargeted) HPMA copolymers were administered intravenously to mice, and their distribution to different organs and tissues was followed using gamma counter and single photon emission computed tomography (SPECT). Both the invasive and noninvasive data further confirmed that the incorporation of D-aspartic acid octapeptide (D-Asp8) as bone-targeting moiety could favorably deposit the HPMA copolymers to the entire skeleton, especially to the high bone turnover sites. To evaluate the influence of molecular weight, three fractions (Mw of 24, 46, and 96 kDa) of HPMA copolymer-D-Asp8 conjugate were prepared and evaluated. Higher molecular weight of the conjugate enhanced the deposition to bone due to the prolonged half-life in circulation, but it weakened the bone selectivity. A higher content of bone-targeting moiety (D-Asp8) in the conjugate is desirable to achieve superior hard tissue selectivity. Further validation of the bone-targeting efficacy of the conjugates in animal models of osteoporosis and other skeletal diseases is needed in the future.

Indexed as

AnimalsAspartic AcidBiological AvailabilityBone and BonesBone Density Conservation AgentsDrug Delivery SystemsMiceMice, Inbred BALB CModels, BiologicalPolymersPolymethacrylic AcidsTissue DistributionTyrosineAspartic AcidBone Density Conservation AgentsDuxonPolymersPolymethacrylic AcidsTyrosine

Identifiers

PMID17140259
PMCPMC2504859

What OpenQuestion holds

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Registered trials

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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.