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Cyclin-Dependent Kinase Inhibitor

Seliciclib for Cushing's Disease

Phase 2
Recruiting
Led By Shlomo Melmed, MD
Research Sponsored by Cedars-Sinai Medical Center
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
- Pituitary macroadenoma (>1 cm) on MRI or inferior petrosal sinus sampling (IPSS) central to peripheral ACTH gradient >2 at baseline and >3 after corticotropin-releasing hormone (CRH) stimulation
Patients with confirmed pituitary origin of excess adrenocorticotropic hormone (ACTH) production:
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 4 weeks
Awards & highlights

Study Summary

This trial will test the safety and effectiveness of a new drug, seliciclib, for treating Cushing disease. The trial will last 4 weeks and will involve patients who have newly diagnosed, persistent, or recurrent Cushing disease.

Who is the study for?
Adults with Cushing's disease from a pituitary source, who have high cortisol levels and are not currently well-controlled on other treatments. They must be at least 18 years old, have completed specific medication washout periods, and cannot have had pituitary radiation in the last 5 years or any major surgery within the past month.Check my eligibility
What is being tested?
The trial is testing Seliciclib, an oral medication given for four weeks to see if it's safe and effective for treating Cushing's disease. It’s an open-label study funded by the FDA Office of Orphan Products Development.See study design
What are the potential side effects?
Potential side effects of Seliciclib may include sensitivity reactions, liver issues (as those with liver disease were excluded), possible heart problems (QTcF prolongation was a concern), as well as general risks associated with taking new medications.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
I have a large pituitary tumor and specific test results showing a hormone imbalance.
Select...
My condition is caused by an excess of ACTH from the pituitary gland.
Select...
My Cushing disease has come back or hasn't gone away after surgery.
Select...
My condition is caused by excess ACTH from the pituitary gland.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~4 weeks
This trial's timeline: 3 weeks for screening, Varies for treatment, and 4 weeks for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Number of participants with UFC above the upper limit of normal (ULN) but reduced by ≥50% from baseline at study completion
Number of participants with a normalized 24-hour urinary free cortisol (UFC) at study completion
Secondary outcome measures
Blood pressure
Change in quality of life measured using the CushingQOL questionnaire
Change in tumor size on pituitary MRI
+8 more

Trial Design

1Treatment groups
Experimental Treatment
Group I: SeliciclibExperimental Treatment1 Intervention
80 mg each day oral seliciclib for 4 weeks

Find a Location

Who is running the clinical trial?

Cedars-Sinai Medical CenterLead Sponsor
499 Previous Clinical Trials
164,844 Total Patients Enrolled
Shlomo Melmed, MDPrincipal Investigator - Cedars-Sinai Medical Center
Cedars-Sinai Medical Center, Sound Physicians Platinum Group Pc
University Of Cape Town (Medical School)
7 Previous Clinical Trials
1,538 Total Patients Enrolled
1 Trials studying Cushing's Disease
4 Patients Enrolled for Cushing's Disease
Ning-Ai Liu, MD, PhDStudy DirectorCedars-Sinai Medical Center
2 Previous Clinical Trials
4 Total Patients Enrolled
1 Trials studying Cushing's Disease
4 Patients Enrolled for Cushing's Disease

Media Library

Seliciclib (Cyclin-Dependent Kinase Inhibitor) Clinical Trial Eligibility Overview. Trial Name: NCT03774446 — Phase 2
Cushing's Disease Research Study Groups: Seliciclib
Cushing's Disease Clinical Trial 2023: Seliciclib Highlights & Side Effects. Trial Name: NCT03774446 — Phase 2
Seliciclib (Cyclin-Dependent Kinase Inhibitor) 2023 Treatment Timeline for Medical Study. Trial Name: NCT03774446 — Phase 2

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

How many individuals are currently enrolled in the experiment?

"No, this clinical trial is not enrolling participants presently. It originally posted on the 2nd of November 2018 and was recently edited on May 24th 2022. If you're looking for alternative studies related to Cushing's Disease or Seliciclib, there are currently 10 trials accepting patients."

Answered by AI

Has Seliciclib received the necessary authorization from the FDA?

"Due to a lack of efficacy research, Seliciclib was assigned an overall safety score of 2. Nonetheless, there is some data suggesting that the drug is safe for use in clinical trials."

Answered by AI

Is the recruitment process of this experiment currently underway?

"Per the information found on clinicaltrials.gov, this medical experiment is not currently recruiting patients. Originally listed in November 2018 and last updated May 2022, there are 10 other studies actively enrolling individuals at present."

Answered by AI

To what extent have previous studies explored the use of Seliciclib?

"Currently, there is one active clinical trial of Seliciclib in progress with none being conducted at Phase 3. It's primary location is located in Los Angeles, California but it has an additional site open for participating patients."

Answered by AI

Who else is applying?

What site did they apply to?
Cedars-Sinai Medical Center
What portion of applicants met pre-screening criteria?
Did not meet criteria
~2 spots leftby Aug 2025