NCT00178542

Brief Summary

The primary objective of this study is to describe characteristics and trends for thrombin generation (TG) and thromboelastography (TEG) at 4 time points during the menstrual cycle.

Trial Health

57
Monitor

Trial Health Score

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

Enrollment
20

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Sep 2005

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
terminated

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

September 1, 2005

Completed
11 days until next milestone

First Submitted

Initial submission to the registry

September 12, 2005

Completed
3 days until next milestone

First Posted

Study publicly available on registry

September 15, 2005

Completed
7.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2013

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2013

Completed
Last Updated

May 6, 2013

Status Verified

May 1, 2013

Enrollment Period

7.6 years

First QC Date

September 12, 2005

Last Update Submit

May 3, 2013

Conditions

Keywords

von Willebrand DiseaseHealthy Women and Women with von Willebrand Disease

Outcome Measures

Primary Outcomes (1)

  • Endogenous Thrombin Potential

    Comparison of 4 values collected during 4 phases of through the menstrual cycle

    4 weeks

Eligibility Criteria

Age18 Years - 50 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

Females with a diagnosis of von Willebrand Disease

You may qualify if:

  • Females of reproductive age with regular menstrual cycles and a diagnosis of von Willebrand disease according to the International Society of Thrombosis and Hemostasis diagnostic criteria.

You may not qualify if:

  • Females who are pregnant, or have a history of endocrinopathy or hormone imbalance
  • History of hysterectomy or bilateral oophorectomy
  • History of ovarian or uterine cancer
  • Use of intrauterine device
  • Use of antifibrinolytic therapy, hemostatic agents, or anti-platelet agents.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The University of Texas Health Science Center at Houston

Houston, Texas, 77030, United States

Location

MeSH Terms

Conditions

von Willebrand Diseases

Condition Hierarchy (Ancestors)

Blood Coagulation Disorders, InheritedBlood Coagulation DisordersHematologic DiseasesHemic and Lymphatic DiseasesCoagulation Protein DisordersBlood Platelet DisordersHemorrhagic DisordersGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Study Officials

  • Deborah Brown, MD

    The University of Texas Health Science Center, Houston

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Profess - Gulf States Hemophilia Center

Study Record Dates

First Submitted

September 12, 2005

First Posted

September 15, 2005

Study Start

September 1, 2005

Primary Completion

April 1, 2013

Study Completion

April 1, 2013

Last Updated

May 6, 2013

Record last verified: 2013-05

Locations