Clinical trialNCT02558790CompletedPhase 2Interventional

L-Threonic Acid Magnesium Salt (L-TAMS) in ADHD

SponsorMassachusetts General HospitalEnrollment20ADHDAttention Deficit/Hyperactivity Disorder

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This study is a 12-week, open-label pilot study to test the effects of MMFS-201-301 on cognition and function in adults with ADHD. Subjects may enter the trial on a stable dose of medication for ADHD, and MMFS-201-301 will be given. Subjects who do not enter on a stable dose of ADHD medication will receive MMFS-201-301 alone.

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Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

Craig Surman, MD
Massachusetts General Hospital
Principal InvestigatorKOL profile →
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Massachusetts General Hospital
Boston, Massachusetts, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

L-Threonic Acid Magnesium Salt

Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 Mar 2016
Primary completion: 31 Oct 2017
Completion: 31 Oct 2017
Last update posted: 14 May 2018
Registered enrollment: 20
Registry id: NCT02558790

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.