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

NCT00500045 · ClinicalTrials.gov registry record · Phase 2

Retrospective Study of the Effectiveness and Safety of Niacin and Steroid Eye Drops for Retinal Vein Occlusions

A Phase 2 study, sponsored by Palo Alto Medical Foundation.

Terminated
Registry status
Phase 2
Development phase
36
Enrollment target

NCT00500045: Clinical Trial Phase 2 study, sponsored by Palo Alto Medical Foundation.

NCT00500045 is a Phase 2 study that was terminated before completion, run by Palo Alto Medical Foundation. The registered enrollment target is 36 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (73% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT00500045, a Phase 2 study, was terminated before completion, sponsored by Palo Alto Medical Foundation.

TERMINATED
Registry status
Phase 2
Development phase
36 participants
Enrollment target

Study Summary

The aim of this study is to develop a less risky, yet effective and more sustainable treatment for retinal vein occlusions than the current commonly used approach of repeated intravitreal triamcinolone acetonide (Kenalog) injections. The types of retinal vien occlusion that are being studied include central (CVRO), hemi-retinal (HRVO),and branch (BRVO) retinal vein occlusion. Niacin, (Nicotinic Acid, not Nicotinamide) a B-vitamin, has lipid lowering and vasodilating properties. The combination of Niacin and Prednisolone Acetate steroid eye drops as a non-invasive treatment approach was developed by the Principal Investigator. The Niacin dilates the retinal vessels, hopefully encouraging earlier collateral vessel formation aimed at bypassing the venous obstruction, thus restoring venous outflow. The Prednisolone Acetate steroid eye drops are aimed at reducing vascular leakage and therefore the macular edema in the eye while the Niacin is taking effect.

Primary Outcome

0 participants analyzed for the overall number of participants analyzed. The PI has retired and left the institution. Efforts were made to contact the PI but were unsuccessful. No study data are available for any results modules.

Interventions

  • DRUG nicotinic acid

Trial Details

FieldValue
Enrollment Target 36 participants
Start Date 2007-02
Est. Completion 2016-10
Phase Phase 2
Palo Alto Medical Foundation

11 total trials

Why NCT00500045 stopped before completion

NCT00500045 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 36 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (73% lower).

The record links to 0 conditions, and to 1 intervention - of which nicotinic acid is the first listed.

NCT00500045 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00500045 about?

NCT00500045 is a clinical study titled "Retrospective Study of the Effectiveness and Safety of Niacin and Steroid Eye Drops for Retinal Vein Occlusions". The aim of this study is to develop a less risky, yet effective and more sustainable treatment for retinal vein occlusions than the current commonly used approach of repeated intravitreal triamcinolone acetonide (Kenalog) injections. The types of retinal vien occlusion that are being studied include...

What is the current status of trial NCT00500045?

This trial is currently terminated. It is a Phase 2 study. The enrollment target is 36 participants. The study started on 2007-02. Estimated completion is 2016-10.

What interventions are being tested in trial NCT00500045?

The interventions under investigation include: nicotinic acid (DRUG).

Who is sponsoring clinical trial NCT00500045?

This trial is sponsored by Palo Alto Medical Foundation, which has 11 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00500045's enrollment target sits among peer trials

36 1496th of 2000 higher than 477 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 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

  • NCT00929006 · 36 participants · Early Phase 1

    Acute Progesterone Suppression of Wake vs. Sleep Luteinizing Hormone Pulse Frequency in Pubertal Girls With and Without Hyperandrogenism

  • NCT01891318 · 36 participants · Phase 1

    Neoadjuvant Radiosurgery for Resectable Brain Metastases: Phase I/II Study

  • NCT02291848 · 36 participants · Phase 1

    Tumor-Associated Antigen-Specific Cytotoxic T-Lymphocytes for Multiple Myeloma

  • NCT02366819 · 36 participants · Phase 4

    Genetic Analysis-Guided Irinotecan Hydrochloride Dosing of mFOLFIRINOX in Treating Patients With Locally Advanced Gastroesophageal or Stomach Cancer

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT00500045, the US trial registry maintained by the National Library of Medicine. NCT00500045 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.