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Clinical trialNCT00194909CompletedPhase 4Interventional

An Open Label, Dose Finding Trial of Viagra for the Treatment of Neuropathic Pain (in Diabetes Mellitus)

SponsorWeill Medical College of Cornell UniversityEnrollment8Diabetic Neuropathy
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to study if sildenafil (Viagra) is effective in improving neuropathic pain. This will be an open label study at 3 doses of sildenafil (25 mg, 50 mg and 100 mg). If this study suggests efficacy, the information will be used to plan a placebo controlled, double-blind study in the future.
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

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
  • Peripheral Neuropathy Center - Weill Cornell Medical College

    New York, 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.

Sildenafil →
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 Aug 2004
Primary completion
31 Jul 2006
Completion
31 Jul 2006
Last update posted
25 Mar 2008
Registered enrollment
8
Registry id
NCT00194909
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.