Use of a Home-based PDG Urine Test to Confirm Ovulation

NCT ID: NCT03230084

Last Updated: 2018-03-20

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 25 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2017-08-23
• Study Completion Date: 2018-03-14

Brief Summary

Infertility affects many people in Ontario and carries a significant amount of emotional, physical and financial burden to those who experience it. Knowing when a woman ovulates is important for improving a couple's chance to become pregnant naturally and for learning about fertility problems, such as infertility, irregular menses, and hormonal disorders.

Currently, there are two reliable methods to confirm ovulation: a trans-vaginal ultrasound or a blood test for progesterone, which is a hormone that only rises sharply after ovulation. However, both are time consuming and expensive. Recently, an inexpensive, home-based urine test strip has been developed to confirm ovulation. The test strip works by measuring urine for a marker of Progesterone, called pregnanediol-3a-glucuronide (PDG).

The purpose of this feasibility study is to follow the use of this home-based PDG urinary test strip over the course of one menstrual cycle in 25 female participants. The results of the urine test strip will then be compared to a Progesterone blood test. Participants will be recruited from the general Ottawa, Ontario area The ultimate aim of this study is to provide information for the design of a larger study to determine the accuracy of the PDG urinary test strip. If shown to be as effective in confirming ovulation, this test would provide substantial cost saving to the Ontario health care system and a much more convenient way for women and clinicians to confirm ovulation and determine if women are fertile.

Detailed Description

Infertility affects many people in Ontario and carries a significant amount of emotional, physical and financial burden to those who experience it. More specifically, it impacts the couple's quality of life and can have detrimental effects related to marital conflicts, couple burnout and psychological disorders including a lack of confidence and depression.

As part of the standard evaluation of infertility, ovulatory function assessment is a fundamental step. Confirmation that ovulation has actually occurred can only be determined by performing a serum Progesterone test or by using the gold standard, serial transvaginal ultrasound. However, both of these investigations require visits to a physician, specialized laboratory testing, and in the case of ultrasound are often prohibitive due to its high costs and logistical demands.

In the female body, levels of Progesterone are low in the first half of the menstrual cycle. After the ovary releases an egg (ovulation) the corpus luteum produces high levels of Progesterone. Pregnanediol-3a-glucuronide (PDG) is the major urine metabolite of Progesterone. An inexpensive, home-based PDG urine test strip to confirm ovulation has recently been developed. The PDG test measures the presence of PDG in urine, which has been shown to directly correlate with the presence Progesterone in serum (blood). According to GLOWM (The Global Library of Women's Medicine) PDG levels in urine typically rise 24-36 hours after ovulation.

Although there also exists a home-based electronic hormone monitor for measuring urinary PDG, it is not widely available and is very time-consuming for women. Newer methods to monitor PDG using a simple urinary test strip that are less time consuming would be a welcome addition to the evaluation of infertility. Additionally, urinary hormonal tests have been proven to be easy and useful adjuncts to natural fertility markers.

The primary purpose of this feasibility study is to evaluate the use of the PDG urine test in a clinical setting to determine its accuracy to confirm ovulation when compared to the serum Progesterone test. This study will follow the use of the PDG urinary test strip over the course of one menstrual cycle in 25 female participants. In order to obtain participants, this study will use a non-probability sample using an initiation to volunteer technique for women in the general Ottawa area. The ultimate aim of this study is to provide information for the design of a larger study to determine the accuracy of the PDG urinary test strip.

Conditions

Infertility, Female

Study Design

• Allocation Method: NA
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: DEVICE_FEASIBILITY
• Blinding Strategy: NONE

Study Groups

Urine PDG test

Urine pregnanediol 3-glucuronide (PDG) test strip

Group Type: EXPERIMENTAL

Urine PDG test

Intervention Type: DEVICE

Urine dipstick test that detects the presence of the urinary metabolite of progesterone, PDG.

Interventions

Urine PDG test

Urine dipstick test that detects the presence of the urinary metabolite of progesterone, PDG.

Intervention Type: DEVICE

Eligibility Criteria

Inclusion Criteria

• Females aged 18 to 42 years
• Have had a menstrual cycle length of 25-35 days for the past 3 months
• Are able to provide informed consent
• Are willing to complete a trial diary

Exclusion Criteria

• Have current or recent (in the past 6 months) use of any hormonal contraception (e.g. the Pill, Norplant, Depo Provera injections)
• Have current or recent (in the past 6 months) breastfeeding
• Have use of emergency contraception (e.g. the morning after pill or Plan B) in the past two menstrual cycles
• Cannot medically receive frequent blood tests, for example due to a blood clotting disorder
• Are pregnant at the time of enrollment to study
• Plan to donate blood during the study

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 42 Years
• Eligible Sex: FEMALE
• Accepts Healthy Volunteers: Yes

Sponsors

Rene Leiva, MD

UNKNOWN

Sponsor Role: collaborator

Bruyere Foundation

UNKNOWN

Sponsor Role: collaborator

Bruyère Health Research Institute.

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Rene Leiva, MD

Role: PRINCIPAL_INVESTIGATOR

Bruyère Health Research Institute.

Locations

Bruyere Research Institute

Ottawa, Ontario, Canada

Countries

Canada

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Related Links

http://articles.latimes.com/1993-01-07/news/vw-935_1_birth-controlmethods

: As couples search for satisfactory forms of contraception, some 'rediscover' a traditional method; others are introduced to birth control by an unconventional messenger.

https://www.nice.org.uk/guidance/cg156

Fertility problems: assessment and treatment

Other Identifiers

M16-17-027

Identifier Type: -

Identifier Source: org_study_id