Sex-differential Host-microbiome CVD Risk - A Longitudinal Cohort Approach

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18-50
SponsorCharite University, Berlin, Germany

About this trial

The XCVD study investigates the influence of sex hormones on the composition of the gut microbiome and the possible emergence of cardiovascular risk factors. It will follow 200 healthy transgender individuals for five years during their hormone replacement therapy (HRT) and analyze them for the possible emergence of cardiovascular risk factors in relation to changes in the gut microbiome, metabolome, and immunome. We would also like to phenotype cardiovascular disease.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Age 18-50

Language requirements: German, English

Previous gender hormone replacement therapy (HRT).

Ability to give consent and written consent to participate.

Disqualifiers

Diseases or functional disorders that, in the opinion of the study physician, preclude participation in the study.

Incapacity or other circumstances that do not allow study participants to fully understand the nature, significance and scope of this study.

Trial population

Healthy transgender individuals during their gender hormone replacement therapy (HRT)

Trial design

Design model

Cohort

Time perspective

Prospective

Treatments tested in this trial

Not listed

Trial groups

No trial groups listed

Trial outcomes

Primary outcomes

1

Changes in relative species abundance of intestinal bacteria compared

baseline and 2 years and 5 years after initiation of hormone replacement therapy. stool samples: Analysis with 16s rRNA sequencing

Time frame
Baseline, 2 years and 5 years Follow Up (optional: after 1 year Follow Up)

Secondary outcomes

1

Changes in cardio marker

sera: following cardio marker can be determined by Electro Chemiluminescence Immuno-Assay: BNP and hs-troponin.

Time frame
Baseline, 2 years and 5 years Follow Up (optional: after 1 year Follow Up)
2

Changes in hormone parameters

sera: following hormones can be determined by mass spectrometry: Free Androgen Index (fAI), Beta-CrossLaps (BCTX), Carboxy-terminal Propeptide of Procollagen I (P1CP), Luteinizing Hormone, Oestradiol, Progesterone, Testosterone, Free Testosterone, Sex Hormone Binding Globulin, Dihydrotestosterone, Oestron, Free Oestriol.

Time frame
Baseline, 2 years and 5 years Follow Up (optional: after 1 year Follow Up)
3

Changes in immune marker

sera: pro- and anti-inflammatory cytokines using cytokine - multiplex panel and Immune cell populations with shotgun sequencing

Time frame
Baseline, 2 years and 5 years Follow Up (optional: after 1 year Follow Up)
4

Changes in the concentration of of cortisol, progesterone, testosterone and dehydroepiandrosterone

Hair sample: Hair steroid analysis with Immunoassay and LC-MS/MS

Time frame
Baseline, 2 years and 5 years Follow Up (optional: one year follow up)

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Charite University, Berlin, Germany

Lead sponsor

Deutsches Zentrum für Herz-Kreislauf-Forschung (DZHK)

Collaborator