- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01873170
Quantification of Immune Cells in Women Using Contraception (CHIC II) (CHIC-II)
Quantification of Immune Cells in Women Using Contraception
This study is being done to understand if using birth control causes changes in the immune cells within the reproductive tract (including the cervix and the lining of the uterus) of healthy women. Immune cells are important because they help prevent infections from starting and help fight infections that have started. Immune cells are also the type of cells that HIV (human immunodeficiency virus) infects so understanding more about them will help to better understand how to prevent the spread of HIV.
Immune cells will be studied from the reproductive tract of women who want to start using one of the following contraceptives: an oral contraceptive pill (COC), Depo-Provera (DMPA), the levonorgestrel IUD (Mirena®), the copper IUD (ParaGard®), or the etonogestrel subdermal implant (Nexplanon®).Immune cells will also be studied from the reproductive tract of women who are not using birth control and who are not at risk of pregnancy for comparison.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
-
Pennsylvania
-
Pittsburgh, Pennsylvania, United States, 15213
- Center for Family Planning Research
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Age 18 through 34 years (inclusive) at screening
- Non-pregnant women in general good health as determined by the site clinician
- Premenopausal with history of regular menstrual cycles (regular cycles defined as occurring every 21-35 days when not using hormones and with a variation of typical cycle length of no more than 5 days)
- Women enrolling into the control group only: Regular and consistent condom use, prior surgical sterilization by participant or sexual partner, or heterosexually abstinent for entire study participation
- Able and willing to provide written informed consent to be screened for and to take part in the study. Including willingness to undergo all study-related assessments and follow all study-related procedures
- Able and willing to provide adequate locator information
- HIV-uninfected based on testing performed by study staff at screening (per HIV testing algorithm in Appendices I)
- At screening and enrollment, agrees not to participate in other research studies involving drugs, medical devices, or vaginal products while enrolled in this trial
Exclusion Criteria:
- Use of any hormonal or intrauterine contraceptive method within 30 days of enrollment
- Use of DMPA within 10 months of enrollment
- Pregnancy or breastfeeding within 60 days of enrollment
- Surgical procedure involving the pelvis in the 30 days prior to enrollment (includes dilation and curettage, cryosurgery and biopsy of the vagina, vulva, cervix, and endometrium)
- Internal vaginal use of any device (includes sex toys, cervical caps, diaphragms, menstrual collection devices, and pessaries; excludes tampons and condoms) or product (includes N9, microbicide, douche, antifungal, steroid, or hormone) in the 30 days prior to enrollment
- New sexual partner within 90 days of enrollment
- Urogenital infection or suspected infection within 30 days of enrollment including: symptomatic candidiasis, trichomonas vaginalis, and symptomatic bacterial vaginosis; or cervical infection, including N. gonorrhea, C. trachomatis, or mucopurulent cervicitis; syphilis; HSV lesions, or other sores (Note: seropositive HSV without active lesions will not be excluded); acute pelvic inflammatory disease; urinary tract infection; recent exposure to a partner with GC, CT, Trichomonas, syphilis, or NGU
- Any history of immunosuppression (includes diabetes, HIV infection, and chronic steroid use)
- Antibiotic or antifungal therapy (vaginal or systemic) within 30 days of enrollment
- Menses or other vaginal bleeding at the time of Enrollment* (*Women who have vaginal bleeding at the scheduled Enrollment Visit may return at a different date to be re-examined and possibly enrolled provided they are still within the 90-day screening window and meet all criteria).
- Vaginal or anal intercourse within 36 hours prior to enrollment
- Heterosexual intercourse since last menses that places the participant at risk of pregnancy (without condom use or sterilization of at least one partner)
- History of hysterectomy
- History of malignancy within the pelvis (includes uterus, cervix, vagina, and vulva)
- Contraindication, allergy or intolerance to use of the contraceptive desired by the participant
- Any condition that, in the opinion of the Investigator, would preclude provision of consent, make participation in the study unsafe, complicate interpretation of study outcome data, or otherwise interfere with achieving the study objectives
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Combined Oral Contraceptive pills
Levonorgestrel/ethinyl estradiol 0.15mg/30mcg daily oral tabs x21 then 7 inert tabs
|
Other Names:
|
depot medroxyprogesterone acetate
150mg DMPA intramuscular injection once every 3 months
|
Other Names:
|
Levonorgestrel-intrauterine device
52mg levonorgestrel intrauterine device
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Other Names:
Other Names:
|
Copper intrauterine device
Copper T380A intrauterine device
|
Other Names:
|
Etonogestrel contraceptive implant
68mg etonogestrel subdermal implant
|
Other Names:
Other Names:
|
Control
Low risk of pregnancy due to sterilization, heterosexual abstinence, or consistent condom use
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Quantification and characterization of immune cell populations and HIV-tropic receptor expression
Time Frame: up to 6 months
|
To quantify and characterize immune cell populations and HIV-tropic receptor expression in the upper and lower genital tract and blood at baseline and after 3 and 6 months of typical contraceptive use
|
up to 6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Assessing changes in the vaginal microflora within the first 6 months of contraceptive use
Time Frame: baseline, 3 months, 6 months
|
To describe the microflora of the upper and lower genital tracts of healthy asymptomatic women before and after 3 and 6 months of typical contraceptive use and to assess changes in the vaginal ecology within the first 6 months of contraceptive use.
|
baseline, 3 months, 6 months
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reproductive tract Microenvironment
Time Frame: baseline, 3 months, 6 months
|
To assess if changes in the upper and lower genital tract microflora are correlated with alterations in immune cell populations
|
baseline, 3 months, 6 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Beatrice Chen, MD, MPH, University of Pittsburgh
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Antineoplastic Agents
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Contraceptive Agents, Hormonal
- Reproductive Control Agents
- Contraceptive Agents, Female
- Contraceptives, Oral, Synthetic
- Contraceptives, Oral, Hormonal
- Progestins
- Contraceptive Agents, Male
- Levonorgestrel
- Contraceptive Agents
- Contraceptives, Oral
- Contraceptives, Oral, Combined
- Medroxyprogesterone Acetate
- Desogestrel
- Etonogestrel
Other Study ID Numbers
- STUDY19100126
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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