A Block-and-Replace therapy with osilodrostat and concomitant glucocorticoid replacement
NCT ID NCT06430528
First seen Sep 09, 2026 · Last updated Sep 09, 2026
Summary
The major goal of this study is to determine the incidence of adrenal insufficiency in patients with endogenous Cushing syndrome receiving osilodrostat treatment combined with a replacement of glucocorticoid (block-and-replace approach). The investigators are also evaluating new biomarker steroids to reflect adequate osilodrostat dosing, the durability and safety, and clinical improvement during treatment.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 12 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2024
- Expected to finish
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Jan 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients receiving care at the University of Michigan.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Endogenous Cushing syndrome, either following surgery or not candidates for surgery * Under consideration to receive osilodrostat as part of their clinical care * Able to provide informed consent. Exclusion Criteria: * Treatment with other investigational drugs within 30 days or five half-lives (whichever is longer). * A history of hypersensitivity to osilodrostat or therapies of a similar chemical class.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Michigan
RECRUITINGAnn Arbor, Michigan, 48109, United States
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