New drug shows promise for cortisol disorder
NCT ID NCT05307328
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested an experimental drug called SPI-62 in 26 adults with Cushing's syndrome caused by a non-adrenal tumor. The goal was to see if SPI-62 could lower cortisol levels safely. Participants received either SPI-62 or a placebo for 24 weeks, with an option to continue longer.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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26 people
The number who actually took part.
- Started
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Sep 2022
- Finished
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Aug 2025
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
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 years and older
- 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: * Male or non-menstruating female * 18 years or older * Active and consistent cortisol excess * Documented diagnosis of ACTH-dependent Cushing's syndrome including Cushing's disease, ectopic ACTH secretion, and ectopic CRH secretion. Exclusion Criteria: * Recent (within 6 weeks) surgery for Cushing's or surgery planned within 24 weeks of randomization. * History of any fractionated radiation therapy for Cushing's within the past 2 years or conventional radiation therapy within 4 years. * History of bilateral adrenalectomy or exogenous, pseudo, cyclic, or non-ACTH-dependent Cushing's syndrome (including certain inherited conditions). * High risk of acute morbidity from corticotroph adenoma growth (similar to that which occurs with Nelson's syndrome) defined as current evidence of macroadenoma at risk of impingement of vital structures. * Any current or prior medical condition, medical or surgical therapies, or clinical trial participation expected to interfere with the conduct of the study or the evaluation of its results, including but not limited to poor venous access or recent receipt or donation of blood products. * Women who are currently pregnant, lactating or planning fertility and unwilling to adhere to approved contraceptives or abstinence.
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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.
Contacts and locations
Locations
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Carol Davila University of Medicine and Pharmacy
Bucharest, 050474, Romania
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Clinical Center of Endocrinology and Gerontology, University Hospital of Endocrinology, Medical University Sofia (USHATE)
Sofia, 1431, Bulgaria
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Comprehensive and Interventional Pain Management Llp
Henderson, Nevada, 89052, United States
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Mayo Clinic Cancer Center (MCCC) - Rochester
Rochester, Minnesota, 55905, United States
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Medical University of Plovdiv
Plovdiv, 4002, Bulgaria
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Medical University of Sofia
Sofia, 1431, Bulgaria
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Memorial Sloan-Kettering Cancer Center
New York, New York, 10065, United States
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Oregon Health & Science University (OHSU) - Northwest Pituitary Center
Portland, Oregon, 97239, United States
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Southwest General Healthcare Center
Fort Myers, Florida, 33907, United States
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St. Joseph's Hospital and Medical Center - Barrow Neurological Institute (BNI) - Pituitary Center
Phoenix, Arizona, 85013, United States
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University of Pittsburgh Medical Center
Pittsburgh, Pennsylvania, 15213, United States
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Washington University School of Medicine - Center for Advanced Medicine (CAM)
St Louis, Missouri, 63110, United States
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