Long-term safety and effectiveness of sirolimus for treating LAM

Multicenter International Durability and Safety of Sirolimus in LAM Trial (MIDAS)

Observational University of Cincinnati · NCT02432560

This study is testing how safe and effective sirolimus is for people with lymphangioleiomyomatosis (LAM) over a long period of time while keeping track of their lung health and any side effects.

Quick facts

Study typeObservational
Enrollment600 (estimated)
Ages18 Years and up
SexFemale
SponsorUniversity of Cincinnati Academic / other
Locations20 sites (Stanford, California and 19 other locations)
Trial IDNCT02432560 on ClinicalTrials.gov

What this trial studies

The MIDAS study is an observational registry that aims to follow patients with lymphangioleiomyomatosis (LAM) who are currently on or considering treatment with mTOR inhibitors like sirolimus or everolimus. The study will enroll 600 participants to monitor lung function and adverse events over a minimum of two years. This research builds on previous findings that indicated sirolimus can stabilize lung function decline but may require ongoing treatment. The decision to initiate therapy will be made collaboratively between the clinician and the patient.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and over diagnosed with LAM who are currently on or considering mTOR inhibitor therapy.

Not a fit: Patients unable to attend regular clinic visits or those who cannot provide informed consent may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into the long-term safety and effectiveness of sirolimus, potentially improving treatment strategies for LAM patients.

How similar studies have performed: Previous studies have shown that mTOR inhibitors can stabilize lung function in LAM patients, but this study aims to explore long-term outcomes, making it a continuation rather than a novel approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Female or male, age 18 or over
* Diagnosis of LAM based on ATS/JRS criteria
* Signed and dated informed consent
* On chronic therapy, newly treated or may be considered for therapy with mTOR inhibitors or previously intolerant of or having failed mTOR inhibitor therapy

Exclusion Criteria:

* Inability to attend at least one RLD Clinic visit per year
* Inability to give informed consent
* Inability or unwillingness to perform pulmonary function testing

Where this trial is running

Stanford, California and 19 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions LymphangioleiomyomatosisLAMrare lungRare Lung Disease
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.