Treatment of Menorrhagia in Women With Thrombocytopenia Using Platelets or Platelets and Hormones

Treatment of Menorrhagia in Women With Thrombocytopenia: Comparison of Platelet Transfusion Alone to Platelet Transfusion With Continuous Oral Contraceptive Pills

This study will explore the role of oral contraceptive pills in managing uterine bleeding in women who have low blood platelet counts as a result of aplastic anemia. Oral contraceptive pills have been shown to be effective in managing uterine bleeding in healthy women, but the effects have not been thoroughly studied in women who have low platelet counts. The purpose of the study is to determine whether oral contraceptive pills are a useful complement to platelet transfusions in women with aplastic anemia and uterine bleeding.

Volunteers for this study must be women between 12 and 55 years of age who have been diagnosed with aplastic anemia (with a platelet count of less than 50,000/microliter) and currently have active uterine bleeding. Candidates must not be pregnant or breastfeeding, must have a uterus and at least one functioning ovary, and must be willing to use nonhormonal methods of birth control (such as condoms or a diaphragm) for the duration of the study. On the first visit, candidates will be screened with a complete medical history (including obstetric and gynecological history) and will undergo a physical examination, a pelvic exam and a pelvic ultrasound. Blood and urine samples will also be taken on this first visit.

The study will last approximately two weeks. Participants will be asked to monitor their medication doses and severity of bleeding during the course of the study. After the first visit, participants will be separated into two randomized groups and will receive either one tablet of oral contraceptive or a placebo twice daily, to be taken 12 hours apart at the same times each day. Participants will also receive platelet transfusions as needed to ensure that their platelet counts remain over 20,000/microliter. After seven days, researchers will assess participants' uterine bleeding and all participants will be given oral contraceptives in the second week of the study. Participants whose bleeding has decreased will receive only one tablet; participants who still have moderate to severe uterine bleeding will receive two tablets. A final assessment will be performed on day 14 of the study.

Study Overview

Detailed Description

Low platelet counts can occur as a result of blood diseases like bone marrow failure, or from undergoing procedures such as chemotherapy treatment or stem cell transplantation. A major complication of low platelet counts in reproductive aged women is uterine bleeding, which can be life threatening. Sometimes this bleeding begins with a normal menstrual cycle but may start unexpectedly. In either instance, stopping uterine bleeding not only requires blood products including platelets but also hormonal treatments.

The hormones estrogen or progesterone can aid in this setting presumably by promoting endometrial angiogenesis. Continuous oral contraceptive pills (OCP) have been shown to be very effective in the management of heavy menstrual bleeding in healthy women, but few studies have been carried out in women with low platelet counts. Moreover, they have few side-effects and are contraceptive. High-dose intravenous Premarin is also useful but only for a couple of days after which heavy bleeding will ensue. Progestin hormones are similarly effective and are also contraceptive.

Oral contraceptive pills are routinely used to control uterine bleeding in thrombocytopenia secondary to bone marrow failure, chemotherapy and/or stem cell transplantation, during episodes of severe thrombocytopenia. There are no current data supporting whether the use of hormonal management is necessary in addition to platelet transfusion. We expect to show that using continuous OCP in addition to having platelet transfusions will result in a better and more rapid control of uterine bleeding than having platelet transfusions only.

Eligible subjects will be hemodynamically stable, menstruating women aged 12-55, who have bone marrow failure, or are undergoing chemotherapy and/or stem cell transplantation for other diseases with platelet levels less than 50,000/ microliter and present with heavy menstrual bleeding which is expected to last at least 2 weeks. Subjects will be randomized to either continuous OCP (Lo-ovral) 1 tablet twice daily or placebo twice daily for one week. All subjects will receive platelet transfusions to keep platelet levels above 20,000 per microliter throughout the study. After one week, all subjects who continue to bleed will receive continuous OCP 1 tablet twice daily. Those who have stopped bleeding will receive continuous OCP 1 tablet daily. Treatments will be compared for the proportion who stop vaginal bleeding 7 and 14 days after starting treatment.

Study Type

Interventional

Enrollment (Actual)

1

Phase

  • Phase 2
  • Phase 1

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

    • Maryland
      • Bethesda, Maryland, United States, 20892
        • National Institutes of Health Clinical Center, 9000 Rockville Pike

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

12 years to 55 years (Child, Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

  • INCLUSION CRITERIA:

Women aged 12-55 years who have a uterus and at least one functioning ovary.

Women with any active uterine bleeding more than spotting

Diagnosed with bone marrow failure, and other disease that require treatment with chemotherapy or stem cell transplantation with platelet counts less than 50,000 microliters at study entry

Do not desire pregnancy for the duration of the study.

Willing and able to give informed consent.

Willing and able to comply with study requirements.

EXCLUSION CRITERIA:

Age less than 12 years

Postmenopausal women

Hormone level in menopausal range: Follicle Stimulating Hormone greater than 40 IU/L, E (2) less than 20 pg/ml

History of liver disease that precludes OCP use

History of thrombosis, thromboembolism and/or thrombophilia.

Currently on 2 or more tablets of any oral contraceptive pills per day at study entry

Having 2 or more depo medroxyprogesterone acetate injections in the past 12 months or having depo medroxyprogesterone acetate injection in the past 90 days

Leuprolide acetate injection in the past 30 days

Smoker over the age of 35

Women with estrogen dependent tumor e.g. breast cancer.

Pregnancy.

Underlying sickle cell anemia

Women who are taking chemotherapeutic agents known to cause ovarian failure such as alkylating agents

Allergy to any medication in this protocol

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: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Lo-ovral
1 tablet of lo-ovral is administered twice a day
Placebo Comparator: sugar pill
Sugar pill was provided as a placebo

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Stop Vaginal Bleeding or Spotting.
Time Frame: 1 week
1 week

Secondary Outcome Measures

Outcome Measure
Time Frame
Proportion Who Stop Uterine Bleeding by Day 14.
Time Frame: 2 weeks
2 weeks
Total Number of Bleeding Days During the First 7 Days.
Time Frame: 1 week
1 week

Collaborators and Investigators

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

Investigators

  • Principal Investigator: Pamela Stratton, MD, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

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

November 1, 2007

Primary Completion (Actual)

June 1, 2012

Study Completion (Actual)

June 1, 2012

Study Registration Dates

First Submitted

November 9, 2007

First Submitted That Met QC Criteria

November 9, 2007

First Posted (Estimate)

November 12, 2007

Study Record Updates

Last Update Posted (Estimate)

July 19, 2013

Last Update Submitted That Met QC Criteria

July 11, 2013

Last Verified

July 1, 2013

More Information

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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