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Clinical trialNCT00059423CompletedObservational

Natural History Study for BEN

SponsorNational Heart, Lung, and Blood Institute (NHLBI)Enrollment178AgranulocytosisHematologic DiseasesLeukocyte DisordersLeukopeniaNeutropenia
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

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

  • Matthew M Hsieh, M.D.

    National Heart, Lung, and Blood Institute (NHLBI)

    Principal Investigator

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
  • National Institutes of Health Clinical Center, 9000 Rockville Pike

    Bethesda, Maryland, United States

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

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

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

Start
3 Jun 2003
Primary completion
23 Apr 2019
Completion
26 Jun 2020
Last update posted
22 Mar 2024
Registered enrollment
178
Registry id
NCT00059423

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.