A Study On Concentrations Of 16448 In Blood And The Safety Of This Compound In Healthy Males With Premature Ejaculation

March 15, 2012 updated by: GlaxoSmithKline

A Randomized, Double-blind, Placebo-controlled, Two-session Study to Investigate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of an 16448 in Healthy Males With Premature Ejaculation.

16448 is being investigated for the treatment of primary premature ejaculation (PE) using a novel mode of action. There are no approved therapies for premature ejaculation, and novel therapies are needed for this syndrome.

16448 has been shown to increase ejaculatory latency in the PCA rat model of premature ejaculation.

A novel instrument, the Sexual Assessment Monitor (SAM), will be used to measure ejaculatory latency time in this study. This device, which measures ELT under standard conditions, has been shown to provide a more reliable measure of ejaculatory latency compared to the use of a stopwatch during sexual intercourse

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

18

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Ireland
      • Belfast, Ireland, BT9 6AD
        • GSK Investigational Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 45 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Description

Inclusion criteria:

  • Body weight >50kg
  • Body Mass Index (BMI): 19-30
  • Healthy men with long term (at least 6 months) symptoms of PE
  • Erectile Dysfunction - (patients should have EF(Erectile Function) domain of IIEF(International Index of Erectile Function questionnaire >26 or normal)
  • No history of reduced sexual desire
  • No history of significant psychiatric illness or currently active significant medical illness
  • No SSRI's(Selective Serotonin Reuptake Inhibitors) use within the last 4 months
  • No history of diabetes, renal or hepatic disease
  • No significant injuries to the head or spinal cord i.e. history of head injury, spinal cord injuries, and conditions such as multiple sclerosis.

Exclusion criteria:

  • Previous or current use of any PDE-5(Phosphodiesterase type 5) inhibitors for the treatment of Erectile Dysfunction
  • Subject receiving treatment in the last 6 months for depression, psychiatric disorders, mood disorders, schizophrenia, substance abuse or anxiety disorders
  • Subject is taking tricyclic anti-depressants, selective serotonin reuptake inhibitors (or related drugs), mono-amine oxidase inhibitors or ß-blockers
  • Subject has received or is continuing to receive any treatment for PE (e.g. local anaesthetic spray, or intra-cavernosal injection) in the four weeks prior to the study start
  • Subject has a history of other clinically significant organic diseases e.g. uncontrolled hypertension, ischemic heart

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Double

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
-vital signs, ECGs, clinical laboratory tests, adverse events at 24h -area under plasma drug concentration versus time curve [AUC (0-t),AUC (0-8)], maximum observed plasma concentration (Cmax),time at max concentration(Tmax)& half life (T1/2)
Time Frame: 24h
24h

Secondary Outcome Measures

Outcome Measure
Time Frame
Measurement of ELT following a single dose of 16448 compared to placebo at approximately 1-2h, post-dose
Time Frame: 1-2h, post-dose
1-2h, post-dose

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

GlaxoSmithKline

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

December 1, 2006

Study Registration Dates

First Submitted

January 25, 2007

First Submitted That Met QC Criteria

September 27, 2007

First Posted (Estimate)

October 1, 2007

Study Record Updates

Last Update Posted (Estimate)

March 19, 2012

Last Update Submitted That Met QC Criteria

March 15, 2012

Last Verified

February 1, 2011

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • OTP108172

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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