NCT00603187

Brief Summary

We propose oral dosing of gastrointestinal permeation enhancement technology \[GIPET\] enhanced oral acyline at 20 mg everyday for one week to determine the steady-state (multiple-dose) pharmacokinetics of oral acyline in four normal, healthy young men.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
4

participants targeted

Target at below P25 for phase_1 healthy

Timeline
Completed

Started Jan 2008

Shorter than P25 for phase_1 healthy

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2008

Completed
14 days until next milestone

First Submitted

Initial submission to the registry

January 15, 2008

Completed
13 days until next milestone

First Posted

Study publicly available on registry

January 28, 2008

Completed
4 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2008

Completed
3.4 years until next milestone

Results Posted

Study results publicly available

June 9, 2011

Completed
Last Updated

June 9, 2011

Status Verified

May 1, 2011

Enrollment Period

1 month

First QC Date

January 15, 2008

Results QC Date

January 10, 2011

Last Update Submit

May 10, 2011

Conditions

Keywords

Male ContraceptionAcyline

Outcome Measures

Primary Outcomes (1)

  • Testosterone Blood Serum Concentration

    Blood for measurement of serum testosterone was obtained prior to the 1st, 5th and 6th dose of GIPETâ„¢-enhanced oral acyline and 0.5,1, 1.5, 2, 3, 4, 6, 8, 12, 24, 36, 48 and 60 hours after the 7th dose.

    7 days

Secondary Outcomes (2)

  • FSH Blood Serum Concentration

    7 days

  • LH Blood Serum Concentration

    7 days

Interventions

20 mg GIPET enhanced oral dose, daily for 7-days

Eligibility Criteria

Age18 Years - 50 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy male
  • years of age
  • Non-smoker
  • Not taking any medications other than the study drug for the duration of the study.
  • Must be willing to use an accepted method of contraception during the study.

You may not qualify if:

  • BMI \> 35
  • Abnormal evaluation on screening exam and labs
  • Known history of alcohol abuse, illicit drugs or steroids and/or use of more that 3 alcoholic beverages/day
  • History of current testosterone use or infertility
  • History of testicular disease or severe testicular trauma
  • History of major psychiatric disorder or sleep apnea
  • History of bleeding disorder or need for anticoagulation
  • Current smoker or utilizing nicotine patches or gum
  • Participation in a hormonal drug study within past month.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Washington

Seattle, Washington, 98195, United States

Location

Related Publications (7)

  • Herbst KL, Anawalt BD, Amory JK, Bremner WJ. Acyline: the first study in humans of a potent, new gonadotropin-releasing hormone antagonist. J Clin Endocrinol Metab. 2002 Jul;87(7):3215-20. doi: 10.1210/jcem.87.7.8675.

    PMID: 12107227BACKGROUND
  • Herbst KL, Coviello AD, Page S, Amory JK, Anawalt BD, Bremner WJ. A single dose of the potent gonadotropin-releasing hormone antagonist acyline suppresses gonadotropins and testosterone for 2 weeks in healthy young men. J Clin Endocrinol Metab. 2004 Dec;89(12):5959-65. doi: 10.1210/jc.2003-032123.

    PMID: 15579744BACKGROUND
  • Matthiesson KL, Amory JK, Berger R, Ugoni A, McLachlan RI, Bremner WJ. Novel male hormonal contraceptive combinations: the hormonal and spermatogenic effects of testosterone and levonorgestrel combined with a 5alpha-reductase inhibitor or gonadotropin-releasing hormone antagonist. J Clin Endocrinol Metab. 2005 Jan;90(1):91-7. doi: 10.1210/jc.2004-1228. Epub 2004 Oct 27.

    PMID: 15509637BACKGROUND
  • Amory JK, Bremner WJ. Oral testosterone in oil plus dutasteride in men: a pharmacokinetic study. J Clin Endocrinol Metab. 2005 May;90(5):2610-7. doi: 10.1210/jc.2004-1221. Epub 2005 Feb 15.

    PMID: 15713724BACKGROUND
  • Amory JK, Page ST, Bremner WJ. Oral testosterone in oil: pharmacokinetic effects of 5alpha reduction by finasteride or dutasteride and food intake in men. J Androl. 2006 Jan-Feb;27(1):72-8. doi: 10.2164/jandrol.05058.

    PMID: 16400081BACKGROUND
  • Page ST, Lin DW, Mostaghel EA, Hess DL, True LD, Amory JK, Nelson PS, Matsumoto AM, Bremner WJ. Persistent intraprostatic androgen concentrations after medical castration in healthy men. J Clin Endocrinol Metab. 2006 Oct;91(10):3850-6. doi: 10.1210/jc.2006-0968. Epub 2006 Aug 1.

    PMID: 16882745BACKGROUND
  • Page ST, Amory JK, Anawalt BD, Irwig MS, Brockenbrough AT, Matsumoto AM, Bremner WJ. Testosterone gel combined with depomedroxyprogesterone acetate is an effective male hormonal contraceptive regimen and is not enhanced by the addition of a GnRH antagonist. J Clin Endocrinol Metab. 2006 Nov;91(11):4374-80. doi: 10.1210/jc.2006-1411. Epub 2006 Aug 29.

    PMID: 16940442BACKGROUND

MeSH Terms

Interventions

acyline

Results Point of Contact

Title
Dr. John K. Amory
Organization
University of Washington

Study Officials

  • John K Amory, MD, MPH

    University of Washington

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER

Study Record Dates

First Submitted

January 15, 2008

First Posted

January 28, 2008

Study Start

January 1, 2008

Primary Completion

February 1, 2008

Study Completion

February 1, 2008

Last Updated

June 9, 2011

Results First Posted

June 9, 2011

Record last verified: 2011-05

Locations