Evidence map›Paper›PMID 30456564›Full record

Trial reportWorld journal of pediatrics : WJP2019

Effect of vitamin D treatment in children with attention-deficit hyperactivity disorder.

Nadia Dehbokri, Gholamreza Noorazar, Aida Ghaffari, Gita Mehdizadeh, Parvin Sarbakhsh, Saba Ghaffary

Registry-linked trialAbstract readRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in World journal of pediatrics : WJP, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04284059 (Adjuvant Effects of Vitamin A and Vitamin D Supplementation on Treatment of Children With ADHD), which is not on this map. Cited by 20 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 2 pooled it
2.1field-weighted citation impact, top 12% 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.

NCT04284059 phase4unknown statusnot on this mapstarted 2021, after this paper: background citation

Adjuvant Effects of Vitamin A and Vitamin D Supplementation on Treatment of Children With ADHD:A Randomized, Double Blind, Placebo-controlled, Multicentric Trial.

TypeinterventionalSponsorChen LiRan2021 to 2022Enrolled504ConditionsADHDArmsPlacebos, vitamin AD, vitamin D
3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 2 syntheses or guidelines pooled it, 39 citations in OpenAlex.

  1. Pooled it
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  4. Vitamin D and Vitamin BDiseases (Basel, Switzerland) · 2026
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Nadia DehbokriFaculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
Gholamreza NoorazarResearch Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
Aida GhaffariPediatrics Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Gita MehdizadehFaculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
Parvin SarbakhshRoad Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Saba GhaffaryDepartment of Pharmacotherapy, Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. ghaffarys@tbzmed.ac.ir.
Tabriz University of Medical Sciences · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIn this research the symptom improvement of attention-deficit hyperactivity disorder (ADHD) of children was assessed by oral vitamin D administration in Tabriz, Iran.

methodsIn this double-blind, randomized clinical trials, 96 children (2-18 years) were enrolled to placebo and vitamin D groups. Children took vitamin D pearl (50,000 IU/week) or placebo for 6 weeks. Children, who had the change in methylphenidate dosage and received any anticonvulsants and corticosteroids were excluded from the research. ADHD symptoms were diagnosed by Conners parent rating scale (CPRS) test at baseline and after intervention. ADHD Conners divided into inattention (IA), hyperactivity/impulsivity (H/I) and combination type (C) subscales. Vitamin D serum level was assessed at baseline and after 8 weeks in both groups.

resultsThe differences between CPRS and its subscales were not significant at baseline (P > 0.05). The Conners IA score was decreased in vitamin D group (P < 0.05; adjusted with age and baseline values). ADHD Conners and all subscale scores reduced remarkably after intervention in patients with insufficient level of vitamin D compared to placebo (P < 0.05).

conclusionsOral vitamin D improved ADHD symptoms with a particular effect on inattention symptoms. In addition, symptoms related to all subscales were improved remarkably in patients with insufficient level of vitamin D. Vitamin D treatment in children with ADHD could be considered due to the expand benefit of vitamin D in body.

Indexed as

AdolescentAttention Deficit Disorder with HyperactivityChildChild, PreschoolDouble-Blind MethodFemaleHumansMaleSeverity of Illness IndexVitamin DVitaminsVitamin DVitaminsAttention-deficit hyperactivity disorderChildrenConners parent rating scaleVitamin D

Identifiers

PMID30456564
OpenAlexW2901884629

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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.