Evidence map›Paper›PMID 25470572›Full record

Trial reportJournal of child and adolescent psychopharmacology2014

A randomized placebo-controlled double-blind study evaluating the time course of response to methylphenidate hydrochloride extended-release capsules in children with attention-deficit/hyperactivity disorder.

Sharon B Wigal, Laurence L Greenhill, Earl Nordbrock, Daniel F Connor, Scott H Kollins, Akwete Adjei, Ann Childress, Annamarie Stehli, Robert J Kupper

Registry-linked trialOpen access · greenAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Journal of child and adolescent psychopharmacology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01269463 (A Randomized, Double-Blind Study of the Time Course of Response to Biphentin® Methylphenidate Hydrochloride ER Capsules Compared to Placebo in Children 6 to 12 Years With Attention Deficit Hyperactivity Disorder in Analog Classroom Setting), which is not on this map. Cited by 16 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 2 pooled it
4.1field-weighted citation impact, top 6% 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.

NCT01269463 phase3completednot on this map

A Randomized, Double-Blind Study of the Time Course of Response to Biphentin® Methylphenidate Hydrochloride ER Capsules Compared to Placebo in Children 6 to 12 Years With Attention Deficit Hyperactivity Disorder in Analog Classroom Setting

TypeinterventionalSponsorRhodes Pharmaceuticals, L.P.Ran2011 to 2013Enrolled26ConditionsAttention Deficit Hyperactivity Disorder, ADHDArmsMethylphenidate Hydrochloride Extended Release Capsule, Placebo
3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 2 syntheses or guidelines pooled it, 38 citations in OpenAlex.

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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 3 institutions in 1 country.

Sharon B Wigal1 AVIDA Inc. , Newport Beach, California.
Laurence L Greenhill
Earl Nordbrock
Daniel F Connor
Scott H Kollins
Akwete Adjei
Ann Childress
Annamarie Stehli
Robert J Kupper
Columbia University Irving Medical Center · USDuke University · USUniversity of California, Irvine · US

Funding

Smoking/Nicotine Dependence in Attention Deficit Hyperactivity Disorder (ADHD)K24DA023464 · NIDA · DUKE UNIVERSITY · PI KOLLINS, SCOTT H · 2008 to 2018
$1.5M
NIDA NIH HHS K24 DA023464
6 · The paper itself

Abstract

objectiveThe purpose of this study was to assess the time of onset and time course of efficacy over 12.0 hours of extended-release multilayer bead formulation of methylphenidate (MPH-MLR) compared with placebo in children 6-12 years of age with attention-deficit/hyperactivity disorder (ADHD) in a laboratory school setting.

methodsThis randomized double-blind placebo-controlled study included children 6-12 years of age with ADHD. Enrolled children went through four study phases: 1) Screening period (≤4 weeks) and a 2 day medication washout period; 2) open-label period with dose initiation of MPH-MLR 15 mg daily and individual dose optimization treatment period (2-4 weeks); 3) double-blind crossover period in which participants were randomized to sequences (1 week each) of placebo and the optimized MPH-MLR dose given daily; and 4) follow-up safety call. Analog classroom time course evaluations were performed at the end of each double-blind week. The primary efficacy end-point was the mean of the on-treatment/postdose Swanson, Kotkin, Agler, M-Flynn, and Pelham (SKAMP)-Total scores over time points collected 1.0-12.0 hours after dosing. End-points were evaluated using a mixed-effects analysis of covariance.

resultsThe evaluable population included 20 participants. The least-squares mean postdose SKAMP-Total score was higher for placebo than for MPH-MLR (2.18 vs. 1.32, respectively; p=0.0001), indicating fewer symptoms with MPH-MLR therapy than with placebo. No difference in SKAMP-Total score between participants who received sequence 1 or sequence 2 was noted. From each of hours 1.0-12.0, least-squares mean SKAMP-Total score was significantly lower for those receiving MPH-MLR than for those receiving placebo (p≤0.0261). Neither serious adverse events nor new or unexpected safety findings were noted during the study.

conclusionsMPH-MLR showed a significant decrease in SKAMP scores compared with placebo in children with ADHD 6-12 years of age, indicating a decrease in ADHD symptoms. The estimated onset was observed within 1.0 hour, and duration was measured to 12.0 hours postdose.

trial registrationClinicalTrials.gov Identifier: NCT01269463.

Indexed as

Attention Deficit Disorder with HyperactivityCapsulesCentral Nervous System StimulantsChildCross-Over StudiesDelayed-Action PreparationsDouble-Blind MethodFemaleFollow-Up StudiesHumansMaleMethylphenidatePsychiatric Status Rating ScalesTime FactorsCapsulesCentral Nervous System StimulantsDelayed-Action PreparationsMethylphenidate

Identifiers

PMID25470572
PMCPMC4268556
OpenAlexW2315436051

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.