- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04103242
Abundance of Lactobacillus in Endometrium Affected by Chronic Endometritis (endoMB)
Difference in Relative Abundance of Lactobacillus in Endometrium With and Without Histologically Proven Chronic Endometritis
Infertile women undergoing hysteroscopy for diagnostic or therapeutic indication are asked to donate a sample of endometrium.
Endometrial samples of study participants are examined for signs of chronic endometritis by immunohistochemical analysis.
High-throughput sequencing of the microbial 16s ribosomal ribonucleic acid (rRNA) subunit is performed to identify and quantify the microbes present in the sample.
Obstetric and reproductive outcome is recorded 12 months after hysteroscopy (telephone interview).
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Rebecca Moffat, MD
- Phone Number: +41 67 328 79 80
- Email: rebecca.moffat@usb.ch
Study Locations
-
-
-
Basel, Switzerland, 4031
- University Hospital Basel
-
Contact:
- Rebecca E Moffat, MD
- Phone Number: +41 61 328 79 80
- Email: rebecca.moffat@usb.ch
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Infertile (≥ 12 months of unprotected regular intercourse) premenopausal women or women with ≥ 2 consecutive miscarriages undergoing hysteroscopy. - Infertile women undergoing office hysteroscopy for other reasons, such as suspected intrauterine adhesions after curettage, irregular endometrium, uterine polyps, repeated implantation failure in assisted reproduction, etc.
- Signed informed consent
- BMI ≥ 18 kg/m2 and ≤ 40 kg/m2
- Age: ≥ 18 years and ≤ 45 years
- follicle stimulating hormone (FSH) ≤ 20 (day 2-5 and estradiol ≤ 300 pmol/l)
Exclusion Criteria:
- Treatment with antibiotics in the past 3 months
- Treatment with immune-suppressing or immune-modulating drugs in the past 3 months
- Treatment with estrogens, progestins, contraceptives and/or antiestrogenic drugs in the cycle during which hysteroscopy is performed
- Current infection of the cervix with Chlamydia trachomatis and/or gonorrhea
- Pelvic surgery in the past 3 months
- Suspicion of malignancy
- Pregnancy
- Breast feeding
- Perimenopause (irregular menses and FSH ≥ 20 U/l on day 3-5 of the cycle)
- Outdated endometrial sample from the luteal phase (this criterion will be evaluated during visit 4 post surgery)
- Elevated progesterone concentration ≥ 20 nmol/l measured in the blood sample taken at the time of HSC.
- Insufficient amount of tissue for immunohistochemical analysis and/or microbial 16s rRNA gene sequencing
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Control
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Quantity of Lactobacillus
Time Frame: 1 year
|
Quantity of Lactobacillus determined by 16S ribosomal RNA gene sequencing
|
1 year
|
alpha diversity of microbes
Time Frame: 1 year
|
Quantification of microbes and their diversity within the individual endometrium sample
|
1 year
|
Shannon index (Beta diversity)
Time Frame: 1 Year
|
Comparison of microbial diversity among the subjects
|
1 Year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pregnancy Rate
Time Frame: 2 years
|
Number of pregnancies within 12 months after hysteroscopy
|
2 years
|
Live Birth Rate
Time Frame: 3 years
|
Number of pregnancies within 12 months after hysteroscopy
|
3 years
|
Collaborators and Investigators
Investigators
- Principal Investigator: Rebecca Moffat, MD, University Hospital, Basel, Switzerland
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2017-01064 endoMB
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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.
Clinical Trials on Infertility, Female
-
Esraa Gamal AhmedAin Shams Maternity HospitalUnknownUnexplained Female Infertility
-
Pacific Fertility CenterTerminatedPrimary Female Infertility | Secondary Female Infertility
-
Assuta Hospital SystemsMaccabi Healthcare Services, IsraelCompletedInfertility, Female Infertility, Male InfertilityIsrael
-
Newlife Fertility CentreRecruitingInfertility | Infertility,Female | Infertility Unexplained | Infertility of Uterine Origin | Infertility; Female, NonimplantationCanada
-
Cairo UniversityCompleted
-
Navy General Hospital, BeijingUnknownFemale Infertility Due to Nonimplantation of OvumChina
-
Radboud University Medical CenterZonMw: The Netherlands Organisation for Health Research and DevelopmentCompletedPregnancy | Male Infertility | Female InfertilityNetherlands
-
Wake Forest University Health SciencesWithdrawnUterine Diseases | Endometriosis | Infertility Unexplained | Endometrial Diseases | Infertility; Female, NonimplantationUnited States
-
Woman's Health University Hospital, EgyptCompletedFemale Infertility Due to Diminished Ovarian ReserveEgypt
-
Woman's Health University Hospital, EgyptCompleted
Clinical Trials on 16s rRNA gene sequencing
-
Gomel State Medical UniversityRecruiting
-
Reproductive Medicine Associates of New JerseyCompleted
-
Yiqi DuUnknown
-
Chinese University of Hong KongRecruiting
-
Atlas BiomedTerminatedParkinson Disease | Genetic PredispositionRussian Federation
-
Atlas BiomedCompletedStudy of the Genome, Gut Metagenome and Lifestyle of Patients With Incident Type 2 Diabetes MellitusDiabetes Mellitus, Type 2 | Genetic Predisposition | MetagenomeRussian Federation
-
Shandong UniversityUnknownGastric Intestinal Metaplasia | Mucosal Microbiome | DuodenumChina
-
Shandong UniversityUnknownIntestinal Metaplasia | Mucosal Microbiome | H.Pylori | Gastric NeoplasiaChina
-
Hallym University Kangnam Sacred Heart HospitalRecruitingCoronavirus Infections | Gut Microbiome | Childhood ALLKorea, Republic of