Evidence map›Paper›PMID 21344299›Full record

Trial reportJournal of bone and mineral metabolism2011

Decrease in serum FGF23 levels after intravenous infusion of pamidronate in patients with osteogenesis imperfecta.

Taichi Kitaoka, Noriyuki Namba, Kohji Miura, Takuo Kubota, Yasuhisa Ohata, Makoto Fujiwara, Haruhiko Hirai, Takehisa Yamamoto, Keiichi Ozono

Abstract readClinical Trial
PubMed Publisher
In one paragraph

Trial report in Journal of bone and mineral metabolism, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
1.8field-weighted citation impact, top 14% 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

11 citing papers in PubMed, 21 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Roles of osteocytes in phosphate metabolism.Frontiers in endocrinology · 2022
    Review
  5. Article
  6. Ironing out the cross talk between FGF23 and inflammation.American journal of physiology. Renal physiology · 2017
    Review
  7. Inflammation regulates fibroblast growth factor 23 production.Current opinion in nephrology and hypertension · 2016
    Review
  8. Article
  9. Article
  10. Severe hypocalcemia after denosumab in a patient with acquired Fanconi syndrome.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Article
  11. Can features of phosphate toxicity appear in normophosphatemia?Journal of bone and mineral metabolism · 2012
    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 at 2 institutions in 1 country.

Taichi KitaokaDepartment of Pediatrics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
Noriyuki Namba
Kohji Miura
Takuo Kubota
Yasuhisa Ohata
Makoto Fujiwara
Haruhiko Hirai
Takehisa Yamamoto
Keiichi Ozono
Osaka University · JPMinoh City Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Fibroblast growth factor 23 (FGF23) plays a central role in phosphate (P) homeostasis. However, the precise mechanism of how FGF23 secretion is regulated remains to be elucidated. In the present study, we examined the effect of intravenous pamidronate administration on serum levels of FGF23. Thirteen patients with osteogenesis imperfecta were treated with two cycles of 3-day pamidronate infusion. Blood samples at pre- and post-drip pamidronate infusion were evaluated for serum calcium, P, intact PTH (iPTH), 1,25(OH)(2)D, intact FGF23 (FGF23), type I collagen cross-linked N-telopeptides (NTx), bone-specific alkaline phosphatase (BAP), and TmP/GFR. During the two cycles, FGF23 levels decreased significantly preceding the decline in P levels. Although the change in P levels became less apparent during the second cycle, the reduction in FGF23 levels was similar during both cycles. Moreover, absence of correlation between FGF23 and P indicates that FGF23 attenuation is independent of the decrease in P levels during pamidronate infusion. Significant correlation between NTx suppression and the decrease in FGF23 levels during the 1st cycle (r = 0.665, P = 0.013) suggests that inhibition of osteoclast function may have some role in suppressing FGF23 levels. Because pamidronate dose was most associated with the decrease in FGF23 levels during the second cycle, pamidronate may directly attenuate osteocyte/osteoblast-mediated FGF23 production. This is the first evidence of a rapid fall in FGF23 levels following pamidronate infusion, raising the possibility that inhibition of bone resorption and/or direct effects of pamidronate may suppress secretion of FGF23.

Indexed as

AdolescentChildChild, PreschoolDiphosphonatesFemaleFibroblast Growth Factor-23Fibroblast Growth FactorsHumansInfantInfusions, IntravenousMaleOsteogenesis ImperfectaPamidronateDiphosphonatesFGF23 protein, humanFibroblast Growth Factor-23Fibroblast Growth FactorsPamidronate

Identifiers

PMID21344299
OpenAlexW2084263661

What OpenQuestion holds

Textmetadata
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.