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Cushing's DiseasePhase 3NCT01925092

Mifepristone in Children With Refractory Cushing's Disease

A Phase 3 study testing mifepristone in people with Cushing's Disease, run by Corcept Therapeutics at 1 site in United States.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

Study objectives are to obtain safety, pharmacokinetic, and pharmacodynamic data on the effect of mifepristone on glucose metabolism, body weight and the growth-hormone-IGF in children with refractory Cushing's disease. Read more about this study

Who is it for?
Ages 6 to 17 years
Conditions the study is for
Cushing's Disease
What is being tested?
mifepristone
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
1 siteUnited States
Study dates
Aug 2013to Dec 2016
Phase
Phase 3
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 6 to 17 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • Males and females 6-17 years at informed consent
  • Active Cushing's disease as demonstrated by the following:
  • 24 hour Urinary Free Cortisol greater than the upper limit of normal for age on two urine collections during screening and
  • midnight serum cortisol >4.4 mcg/dL (mean of two determinations on a single day at 2330 and 2400 during screening)
  • Previous trans-sphenoidal surgery (TSS) for ACTH secreting pituitary tumor at least 3 months prior to screening
  • Increased body weight defined by BMI Z-score of 1.5 or above
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  • Able to provide consent/assent
  • Able to swallow study drug tablets (not crushed or split)
  • Willing to use non-hormonal method of contraception in patients of reproductive potential
  • Primary health care provider in home location

Who cannot join

  • Hypercortisolism not due to Cushing's disease.
  • Type 1 diabetes mellitus
  • HbA1c ≥9.5% at Screening
  • Body weight <25 kg
  • Use of certain medications that are CYP3A substrates with narrow therapeutic ranges, such as simvastatin, lovastatin, cyclosporine, dihydroergotamine, ergotamine, fentanyl, pimozide, quinidine, sirolimus, and tacrolimus during the 4 weeks prior to starting study drug. Use of these medications is also prohibited until 2 weeks after end of dosing.
  • Use of certain medications that are strong CYP3A inhibitors such as itraconazole, nefazodone, ritonavir, nelfinavir, indinavir, atazanavir, amprenavir, fosamprenavir, boceprevir, clarithromycin, conivaptan, lopinavir, mibefradil, posaconazole, saquinavir, telaprevir, telithromycin, and voriconazole during the 2 weeks prior to starting study drug. Use of these medications is also prohibited until 2 weeks after end of dosing. Grapefruit and grapefruit juice, as well as grapefruit-related fruits and their juice (e.g. Seville oranges, pomelos), are prohibited during this time frame.
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  • Use of certain medications that are strong inducers of CYP3A such as rifampin, rifabutin, rifapentine, phenobarbital, phenytoin, carbamazepine, St. John's wort during the 2 weeks prior to starting study drug. Use of these medications is also prohibited until 2 weeks after end of dosing.
  • Use of medications used to treat hypercortisolism from the duration indicated below prior to Day 1. Use of the medications is also prohibited until after the end of study 4 week follow up visit.
  • steroidogenesis inhibitors such as ketoconazole, metyrapone: 4 weeks
  • cabergoline, bromocriptine, somatostatin analogs such as octreotide, lanreotide, pasireotide long acting formulations: 8 weeks (immediate release formulations: 2 weeks)
  • mitotane: 8 weeks
  • Use of systemic glucocorticoid medications beginning 1 month prior to screening or anticipated use of these medications except for the treatment of adrenal insufficiency. Use of glucocorticoid medications is prohibited during the study until after the end of study 4 week study visit.
  • Inflammatory, rheumatological, proliferative or other disorder(s) that would be anticipated to worsen with glucocorticoid blockade (e.g. inflammatory bowel disease, rheumatoid arthritis, psoriasis, etc.).
  • Uncontrolled hypo- or hyperthyroidism.
  • Uncorrected hypokalemia (<3.5 mEq/L). The screening period may be used to correct hypokalemia prior to starting study drug. Use of potassium and/or mineralocorticoid antagonists is permitted during the study.
  • QTc ≥450 msec on Screening electrocardiogram
  • Unexplained vaginal bleeding in females and/or any history of endometrial pathology.
  • Positive pregnancy test in females.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • National Institute of Child Health and Human Development (NICHD)

    Bethesda, Maryland, 20892-1103

Other trials in United States

About this study

Official title: An Open-label Study of the Safety, Pharmacokinetics and Pharmacodynamics of Mifepristone in Children With Refractory Cushing's Disease

Study objectives are to obtain safety, pharmacokinetic, and pharmacodynamic data on the effect of mifepristone on glucose metabolism, body weight and the growth-hormone-IGF in children with refractory Cushing's disease.

Read the detailed description

The study is being done to examine the effects of a medication called mifepristone in children with Cushing's disease. Since a child's body may absorb and use mifepristone in a different way than adults, it is important to have information about the amount of mifepristone to give children and what will happen to it. Mifepristone has been FDA approved for use only in adults with Cushing's syndrome, and it is important to learn if mifepristone improves the symptoms and signs of Cushing's disease in children. The study is limited to children with Cushing's syndrome due to a pituitary tumor (Cushing's disease) and will not enroll children with Cushing's syndrome due to other causes. The study will investigate how children's bodies absorb and process mifepristone, how it works in children and what effect it has on the use of sugar in the body, on the child's weight and on growth hormone. An important part of the study is to evaluate the side effects of mifepristone in children.

Being tested
mifepristone
Keywords
Cushing's disease, Mifepristone, Cushing's syndrome, Pharmacokinetic-pharmacodynamic, Child/pediatric population, Safety-efficacy
Medical subject headings
Pituitary ACTH Hypersecretion, Cushing Syndrome

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • mifepristoneDrug

    Also called Korlym

    tablets

Study groups in NCT01925092
Study groupRoleWhat they receive
mifepristoneExperimentalDaily doses of mifepristone over 84 days.
Receives: Drug: mifepristone

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Adverse events

    Patients who have received at least 1 dose of mifepristone will be included in the safety evaluations.

    Measured: collected during the12 week study and 4 week follow-up period; up to 16 weeks total.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted19 Aug 2013 (estimated)
  2. Study startAug 2013
  3. Primary completionDec 2016 (estimated)

Why it stopped: Lack of enrollment

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01925092
Sponsor's protocol ID
13-CH-0170
Other IDs
02811-12
Status last verified
Jul 2014
First submitted
8 Aug 2013
Last updated
4 Aug 2014
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing mifepristone in people with Cushing's Disease, run by Corcept Therapeutics at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 10 inclusion and 18 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: withdrawn, as of the sponsor's last update on 4 Aug 2014. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Adverse events (time frame: collected during the12 week study and 4 week follow-up period; up to 16 weeks total.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Aug 2014.

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