Evidence map›Paper›PMID 24468717›Full record

ArticleBone2014

A closer look at the immediate trabecula response to combined parathyroid hormone and alendronate treatment.

Allison R Altman, Wei-Ju Tseng, Chantal M J de Bakker, Beom Kang Huh, Abhishek Chandra, Ling Qin, X Sherry Liu

Abstract read
In one paragraph

Article in Bone, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing 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

15 citing papers in PubMed.

  1. Short Cyclic Regimen With Parathyroid Hormone (PTH) Results in Prolonged Anabolic Effect Relative to Continuous Treatment Followed by Discontinuation in Ovariectomized Rats.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2022
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  9. Intermittent Parathyroid Hormone After Prolonged Alendronate Treatment Induces Substantial New Bone Formation and Increases Bone Tissue Heterogeneity in Ovariectomized Rats.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2017
    Article
  10. Adaptations in the Microarchitecture and Load Distribution of Maternal Cortical and Trabecular Bone in Response to Multiple Reproductive Cycles in Rats.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2017
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  15. Effects of neonatal enzyme replacement therapy and simvastatin treatment on cervical spine disease in mucopolysaccharidosis I dogs.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2014
    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

7 authors.

Allison R AltmanMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Electronic address: alaltman@mail.med.upenn.edu.
Wei-Ju TsengMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Electronic address: weits@mail.med.upenn.edu.
Chantal M J de BakkerMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Electronic address: chantald@seas.upenn.edu.
Beom Kang HuhMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Electronic address: bhuh@seas.upenn.edu.
Abhishek ChandraMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Electronic address: abhic@mail.med.upenn.edu.
Ling QinMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Electronic address: qinling@mail.med.upenn.edu.
X Sherry LiuMcKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Electronic address: xiaoweil@mail.med.upenn.edu.

Funding

The Role of Hyaluronic Acid Receptors in Tendon HealingP30AR050950 · NIAMS · UNIVERSITY OF PENNSYLVANIA · PI PIGNOLO, ROBERT JOHN · 2006 to 2015
$6.2M
Training Program in Musculoskeletal ResearchT32AR007132 · NIAMS · UNIVERSITY OF PENNSYLVANIA · PI Robert L Mauck, LOUIS J SOSLOWSKY · 1986 to 2026
$4.9M
Role of EGFR signaling in bone formation and the anabolic actions of PTHR01DK095803 · NIDDK · UNIVERSITY OF PENNSYLVANIA · PI QIN, LING · 2013 to 2017
$1.7M
NIAMS NIH HHS P30 AR050950NIAMS NIH HHS P30-AR050950NIAMS NIH HHS T32 AR007132NIAMS NIH HHS T32-AR007132NIDDK NIH HHS R01 DK095803NIDDK NIH HHS R01-DK09580301
6 · The paper itself

Abstract

Daily injections of parathyroid hormone (PTH) are the only FDA-approved anabolic treatment for osteoporosis; however PTH is only clinically approved for treatment periods of up to 24months. To enhance its anabolic effect, combining PTH with anti-resorptive therapy was proposed and expected to maximize the effectiveness of PTH. The current study aimed to elucidate structural mechanisms through which combination therapy can further improve bone strength over a limited treatment window of 12days, to more closely examine the early phase of the anabolic window. We examined 30 female rats treated with either vehicle (Veh), alendronate (ALN), PTH, or both PTH and ALN (PTH+ALN). Standard and individual trabecula segmentation (ITS)-based microstructural analyses were performed using in vivo micro-computed tomography. We found an increase in BV/TV in all treatments with the highest in the PTH+ALN group. Tb.Th* increased in both PTH and PTH+ALN groups well beyond that of the Veh or ALN group. SMI decreased in all treatments with PTH+ALN having the greatest tendency toward plate-like structures. ITS confirmed the trend toward more plate-like structures with increased plate Tb.N* and increased plate-to-rod ratio that was most pronounced in the PTH+ALN group. Using image-based finite element analysis, we demonstrated that stiffness increased in all treatment groups, again with the largest increase in the PTH+ALN group, indicating the resulting structural implications of increased plate-like structure. Static and dynamic bone histomorphometry and a serum resorption marker confirmed that PTH+ALN significantly increased bone formation activities and suppressed bone resorption activities. Overall the results indicate that PTH+ALN treatment has an additive effect due to a preferential increase in plate-like structures.

Indexed as

AlendronateAnimalsBone and BonesBone DensityBone Density Conservation AgentsFemaleFinite Element AnalysisParathyroid HormoneRatsRats, Sprague-DawleyTomography, X-Ray ComputedAlendronateBone Density Conservation AgentsParathyroid Hormone3D image registrationAnimal models/rodentAnti-resorptive treatmentIn vivo μCTParathyroid hormoneTrabecular bone microstructure

Identifiers

PMID24468717
PMCPMC3972893

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.