Evidence map›Paper›PMID 42518155›Full record

Trial reportCNS drugs2026

Comparative Bioavailability of Trimodal (CTx-1301) Versus Bimodal Dexmethylphenidate Modified-Release Formulations in Adults with Attention-Deficit/Hyperactivity Disorder: A Randomized, Single-Dose, Crossover Study.

Arthur B Straughn, Raul Silva, Michael J Cattaneo, Kelly Koehn, Matthew Brams

Registry-linked trialAbstract readRandomized Controlled TrialComparative Study
In one paragraph

Trial report in CNS drugs, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04138498 (A Randomized, Single-dose, Four-sequence, Four-period, Crossover Study in Adult ADHD Subjects to Establish Safety, Tolerability, and Comparative Bioavailability of CTx-1301), which is not on this map. Not yet cited in PubMed.

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

NCT04138498 phase1 / phase2completednot on this map

A Randomized, Single-dose, Four-sequence, Four-period, Crossover Study in Adult ADHD Subjects to Establish Safety, Tolerability, and Comparative Bioavailability of CTx-1301 (Dexmethylphenidate) to Focalin XR™ Under Fasted Conditions

TypeinterventionalSponsorCingulate TherapeuticsRan2019 to 2020Enrolled45ConditionsADHDArmsDexmethylphenidate 5 Mg Oral Capsule, Extended Release, Dexmethylphenidate 6.25 mg Tablet, Dexmethylphenidate 40 Mg Oral Capsule, Extended Release, Dexmethylphenidate 50 mg Tablet
3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

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.

Arthur B StraughnProfessor Emeritus, Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, 2681 Gerald Ford Dr. W., Memphis, TN, 38016, USA. astraughn@cingulate.com.ORCID http://orcid.org/0009-0006-3388-5636
Raul SilvaCingulate Therapeutics, Kansas City, KS, USA.
Michael J CattaneoMedical Affairs, Cingulate Therapeutics, Kansas City, KS, USA.ORCID http://orcid.org/0000-0001-6097-362X
Kelly KoehnClinical Operations, Cingulate Therapeutics, Kansas City, KS, USA.ORCID http://orcid.org/0000-0003-3484-1636
Matthew BramsMedical Affairs, Cingulate Therapeutics, Kansas City, KS, USA.ORCID http://orcid.org/0000-0002-7926-6113

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

objectivesAttention-deficit/hyperactivity disorder (ADHD) is a chronic neurodevelopmental disorder that often requires sustained symptom control throughout the day. Although bimodal extended-release dexmethylphenidate (d-MPH XR) formulations provide initial and intermediate drug release, they may not consistently maintain therapeutic exposure into the late afternoon and evening. Trimodal formulations with an additional delayed release component may extend drug exposure later in the day, although this remains to be established. To explore differences in pharmacokinetic (PK) profiles between trimodal (CTx-1301) and bimodal delivery of d-MPH XR, a comparative bioavailability study was conducted at the highest and lowest doses for both formulations.

methodsIn this randomized, 4-period, crossover study, adults with ADHD received single doses of CTx-1301 (50 mg and 6.25 mg) and d-MPH XR (40 mg and 5 mg). Comparative bioavailability was assessed through adjusted geometric mean ratios for exposure parameters (maximum observed plasma concentration [C

resultsThe study population (N = 45) was predominantly male (88.9%) and White (55.6%), with mean age of 29.6 ± 8.01 years. Adjusted geometric mean ratios comparing the primary exposure parameters (C

conclusionsKey exposure parameters including C REGISTRATION: ClinicalTrials.gov, NCT04138498; 19 September 2019.

Indexed as

Attention Deficit Disorder with HyperactivityCentral Nervous System StimulantsDexmethylphenidate HydrochlorideAdolescentAdultArea Under CurveBiological AvailabilityCross-Over StudiesDelayed-Action PreparationsDose-Response Relationship, DrugFemaleHumansMaleMiddle AgedYoung AdultCentral Nervous System StimulantsDelayed-Action PreparationsDexmethylphenidate Hydrochloride

Identifiers

PMID42518155
PMCPMC13562244

What OpenQuestion holds

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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.