Estradiol in the Immunopathology of MAC infection

Overview

About this study

The purpose of this study to assess the effect of estrogen on monocyte/macrophage response induced by MAC infection in vitro using murine peritoneal macrophages and human peripheral blood monocytes.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria – Postmenopausal women (Post-MP):

  • Healthy postmenopausal women with 40-70 years
  • After 6 months of natural menopause.

Inclusion Criteria – MAC infected Postmenopausal women (MAC+ Post-MP):

  • Postmenopausal 40-70 years .
  • Patient must be infected or have history of Mycobacterium avium complex lung disease (MAC-LD)
  • MAC-LD diagnosed by as per current ATS/IDSA guidelines (Clinical, radiographic and microbiological evidence).

Inclusion Criteria – pre-menopausal women (Pre-MP):

  • Healthy pre-menopausal (40-50 years) women.

Inclusion Criteria – Males:

  • Healthy males aged 41-50 and 60-70-years

Exclusion Criteria:

  • Individuals under 40 years of age
  • Subjects who are on sex hormonal treatment and/or use of hormonal contraceptives,
  • Current breastfeeding, pregnancy, and women who gave birth in the last six months.
  • History of HIV infection, and patients on immunosuppressive drugs therapy.
  • Patients receiving anti-MAC antibiotics in the last 90 days
  • History of MAC-LD or suspected MAC-LD radiologically for healthy study volunteers.
  • Patients with history of treatment failure for study patients with history of MAC-LD.
  • Co-infection of non-tuberculous mycobacterial species other than MAC.
  • Recent diagnosis of COVID-19.
  • Subjects are unable to give written informed consent

Note: Other protocol defined Inclusion/Exclusion Criteria may apply.

Eligibility last updated 09/24/2024. Questions regarding updates should be directed to the study team contact.

 

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Patricio Escalante, M.D., M.S.

Open for enrollment

Contact information:

Kale Daniel

(507) 266-4541

Daniel.Kale@mayo.edu

More information

Publications

Publications are currently not available
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CLS-20584728

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