New drug combo aims to tame Cushing's disease with fewer side effects
NCT ID NCT07603466
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether adding cabergoline to osilodrostat works better than osilodrostat alone for controlling Cushing's disease. About 50 adults with active Cushing's disease will receive either the combination or the single drug. The goal is to see if the combo can lower cortisol faster, reduce the needed dose of osilodrostat, and lessen side effects like high blood pressure and hormone imbalances.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2026
- Expected to finish
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Aug 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.
- Ages
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18 to 70 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: * Cushing's disease: Not treated or received treatment (TSS and/or radio surgery). And * Active disease confirmed with repeated two biochemical tests (1-mg overnight dexamethasone suppression test and late night salivary cortisol), And * Inappropriate ACTH elevation, And * Positive ACTH response to desmopressin stimulation test, And * MRI finding of pituitary adenoma. Exclusion Criteria: * Severe hepatic impairment (Child-Pugh C). * Pregnancy.
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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
5 sites. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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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Al-Hassan Metabolism Endocrine and Diabetes Center
Karbala, Iraq
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Al-Waffa Specialized Center for Diabetes and Endocrinology
Mosul, Iraq
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Faiha Specialized Diabetes, Endocrine, and Metabolism Center
Basra, 61001, Iraq
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Najaf Specialized Diabetes and Endocrine Center
Najaf, Iraq
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Thi-Qar Specialized Diabetes, Endocrine and Metabolism Center
Nasiriyah, Iraq
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