Evidence map›Paper›PMID 40047955›Full record

ReviewCalcified tissue international2025

Diagnosis and Treatment of Hypophosphatasia.

L Seefried, F Genest, C Hofmann, M L Brandi, E Rush

Abstract readReview
In one paragraph

Review in Calcified tissue international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing 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

14 citing papers in PubMed.

  1. A randomized Phase 1b trial evaluating the pharmacodynamics of ilofotase alfa in adults with hypophosphatasia.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2026
    Trial
  2. Review
  3. [Metabolic bone disorders: what the internist must not overlook].Innere Medizin (Heidelberg, Germany) · 2026
    Review
  4. Biochemical phenotype of hypophosphatasia in asymptomatic individuals carrying ALPL variants.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2026
    Article
  5. Interpreting Low Alkaline Phosphatase in Fibromyalgia: The Importance of Comprehensive Clinical and Biochemical Assessment.Medical principles and practice : international journal of the Kuwait University, Health Science Centre · 2026
    Article
  6. Infantile hypophosphatasia caused by compound heterozygous variants in theAmerican journal of translational research · 2026
    Article
  7. The Challenge of Hypophosphatasia Diagnosis in Patients with Fibromyalgia.Medical principles and practice : international journal of the Kuwait University, Health Science Centre · 2026
    Article
  8. Review
  9. Review
  10. Article
  11. Review
  12. Article
  13. Vitamin B6 challenge as a tool for detecting ALPL mutations and diagnosing hypophosphatasia.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2025
    Article
  14. 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

5 authors.

L SeefriedOsteology and Clinical Trial Unit, König-Ludwig-Haus, University of Würzburg, Würzburg, Germany. lothar.seefried@uni-wuerzburg.de.ORCID http://orcid.org/0000-0003-1154-3388
F GenestOsteology and Clinical Trial Unit, König-Ludwig-Haus, University of Würzburg, Würzburg, Germany.
C HofmannPediatric Rheumatology and Osteology, University Children's Hospital Wuerzburg, Würzburg, Germany.
M L BrandiF.I.R.M.O. Italian Foundation for the Research on Bone Diseases, Florence, Italy.
E RushDivision of Clinical Genetics, Children's Mercy Kansas City, Kansas City, MO, USA.ORCID http://orcid.org/0000-0002-8147-7315

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Hypophosphatasia (HPP) is a rare inherited metabolic disorder characterized by deficient activity of tissue-nonspecific alkaline phosphatase (TNAP) caused by variants in the ALPL gene. Disease manifestations encompass skeletal hypomineralization with rickets and lung hypoplasia, vitamin B6-dependent seizures, craniosynostosis, and premature loss of deciduous teeth. The clinical presentation can comprise failure to thrive with muscular hypotonia, delayed motor development, and gait disturbances later in childhood. In adults, pseudofractures are a characteristic indicator of severely compromised enzyme activity, but non-canonical symptoms like generalized musculoskeletal pain, weakness, and fatigue, frequently accompanied by neuropsychiatric and gastrointestinal issues are increasingly recognized as key findings in patients with HPP. The diagnosis is based on clinical manifestations in combination with persistently low alkaline phosphatase (ALP) activity, elevated levels of ALP substrates, specifically inorganic pyrophosphate (PPi), pyridoxal 5'-phosphate (PLP) or urine phosphoethanolamine (PEA), and genetic confirmation of a causative ALPL variant. Considering the wide range of manifestations, treatment must be multimodal and tailored to individual needs. The multidisciplinary team for comprehensive management of HPP patients should include expertise to ensure disease state metabolic and musculoskeletal treatment, dental care, neurological and neurosurgical surveillance, pain management, physical therapy, and psychological care. Asfotase alfa as first-in-class enzyme replacement therapy (ERT) for HPP has been shown to improve survival, rickets, and functional outcomes in severely affected children, but further research is needed to refine how enzyme replacement can also address emerging manifestations of the disease. Prospectively, further elucidating the pathophysiology behind the diverse clinical manifestations of HPP is instrumental for improving diagnostic concepts, establishing novel means for substituting enzyme activity, and developing integrative, multimodal care.

Indexed as

Alkaline PhosphataseHypophosphatasiaEnzyme Replacement TherapyHumansImmunoglobulin GRecombinant Fusion ProteinsAlkaline PhosphataseALPL protein, humanasfotase alfaImmunoglobulin GRecombinant Fusion ProteinsAlkaline phosphataseCanonicalDiagnostic criteriaHypophosphatasiaNon-canonicalPhenotypesSubclinicalTreatment

Identifiers

PMID40047955
PMCPMC11885340

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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.