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Clinical trialNCT00489372CompletedPhase 1Interventional

Se-Methyl-Seleno-L- Cysteine (MSC) in Treating Healthy Patients

SponsorNational Cancer Institute (NCI)Enrollment36Healthy, no Evidence of Disease
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This randomized phase I trial is studying the side effects and best dose of Se-methyl-seleno-L-cysteine in healthy adult men. Studying samples of blood, urine, and toenail clippings in the laboratory from healthy men receiving Se-methyl-seleno-L-cysteine may help doctors learn more about how Se-methyl-seleno-L-cysteine works in the body.
clinicaltrials.gov ↗

Investigators

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

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

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

United States
  • Northwestern University

    Chicago, Illinois, United States

  • Roswell Park Cancer Institute

    Buffalo, New York, 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.

Methylselenocysteine
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 Jul 2007
Primary completion
31 Mar 2008
Completion
31 Jul 2009
Last update posted
14 Nov 2014
Registered enrollment
36
Registry id
NCT00489372
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.