Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT04672447 · ClinicalTrials.gov registry record · NA

Effect of 4 Weeks of Citrulline and Glutathione Supplementation on Arterial Function

A NA study, sponsored by Texas Tech University.

Completed
Registry status
NA
Development phase
39
Enrollment target

NCT04672447: Completed NA study, sponsored by Texas Tech University.

NCT04672447 is a NA study that has completed, run by Texas Tech University. The registered enrollment target is 39 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (97% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT04672447, a NA study, has completed, sponsored by Texas Tech University.

COMPLETED
Registry status
NA
Development phase
39 participants
Enrollment target

Study Summary

Examining the effects of 4 weeks of Citrulline alone or in combination with glutathione on the arterial function of postmenopausal women.

Primary Outcome

Endothelial function will be measured before and after the intervention using brachial artery flow mediated dilation at rest, blood flow measured in the brachial artery during handgrip exercise, and blood flow in the common femoral artery during passive leg movement. All measurements performed using doppler ultrasound.

Interventions

  • DIETARY_SUPPLEMENT Placebo
  • DIETARY_SUPPLEMENT L-Citrulline
  • DIETARY_SUPPLEMENT Glutathione

Trial Details

FieldValue
Enrollment Target 39 participants
Start Date 2020-07-01
Est. Completion 2022-04-27
Phase NA
Texas Tech University

69 total trials

What the finished NCT04672447 record still lists

NCT04672447 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 39 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (97% lower).

The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.

NCT04672447 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04672447 about?

NCT04672447 is a clinical study titled "Effect of 4 Weeks of Citrulline and Glutathione Supplementation on Arterial Function". Examining the effects of 4 weeks of Citrulline alone or in combination with glutathione on the arterial function of postmenopausal women.

What is the current status of trial NCT04672447?

This trial is currently completed. It is a NA study. The enrollment target is 39 participants. The study started on 2020-07-01. Estimated completion is 2022-04-27.

What interventions are being tested in trial NCT04672447?

The interventions under investigation include: Placebo (DIETARY_SUPPLEMENT), L-Citrulline (DIETARY_SUPPLEMENT), Glutathione (DIETARY_SUPPLEMENT).

Who is sponsoring clinical trial NCT04672447?

This trial is sponsored by Texas Tech University, which has 69 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04672447's enrollment target sits among peer trials

39 1536th of 2000 higher than 463 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT03465592 · 39 participants · Phase 1

    Trial of Nivolumab Following Partially Human Leukocyte Antigen (HLA) Mismatched BMT in Children & Adults With Sarcoma

  • NCT03961776 · 39 participants

    Monitoring Treatment Response With On-board DWI During Neo-adjuvant Chemo-radiation for Rectal Cancer Using Magnetic Resonance-guided-radiotherapy Systems

  • NCT04050280 · 39 participants · Phase 2

    CLAG-GO for Patients With Persistent, Relapsed or Refractory AML

  • NCT04190862 · 39 participants · Phase 1

    E-CEL UVEC as an Adjunct Cell Therapy for Treatment of Anal Fistulas

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT04672447, the US trial registry maintained by the National Library of Medicine. NCT04672447 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.