- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05605587
Leflunomide Treatment for MEN1 Patients - the LUMEN1 Trial (LUMEN1)
Multiple endocrine neoplasia type 1 (MEN1) is an autosomal dominant disorder due to mutations in the tumor suppressor gene MEN1 with the corresponding gen product menin. MEN1 is characterized by the occurrence of parathyroid, pancreatic islet and anterior pituitary tumors which can release excessive amounts of hormones (= functional active tumors). Other tumors (e.g. carcinoid tumors, adrenocortical tumors, meningiomas, facial angiofibromas, collagenomas, lipomas) have also been described. There is no geno-phenotype correlation but the disease occurs after a second hit of the corresponding gene within the endocrine organ leading to an uncontrolled growth.
MEN1-patients have a decreased life expectancy, mainly due to pancreatic neuroendocrine tumors (pNETs) which are often multiple and more aggressive than in non-MEN1 patients. To date, no prophylactic treatment exists to prevent tumor development in this hereditary disease.
Leflunomide has been used as a treatment for rheumatoid arthritis for many years. It is a potent inhibitor of the dihydroorotate dehydrogenase (DHODH). According to some preclinical studies, leflunomide showed antineoplastic activities in several malignancies, including prostate, breast, bladder, multiple myeloma, leukemia, and lymphoma. A recent study identified an interaction between MEN1 mutation and DHODH inhibition. In this study, leflunomide selectively killed MEN1 deficient cells in vitro, prevented the occurrence of pancreatic tumor development in xenograft models and led to tumor regression / stabilisation in three MEN1 patients with advanced aggressive pancreatic neuroendocrine tumors.
Accordingly, leflunomide could be used as a new treatment option for patients with known MEN1 germline mutation and associated endocrine disease. The aim of this study is, therefore, to evaluate the antitumor effect of leflunomide treatment on MEN1-associated tumors in patients with known MEN1-syndrome.
Study Overview
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Julie Refardt, MD
- Phone Number: +41615565618
- Email: julie.refardt@usb.ch
Study Locations
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-
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Basel, Switzerland, 4053
- Recruiting
- Unispital Basel
-
Contact:
- Julie Refardt
- Phone Number: +41615565618
- Email: julie.refardt@usb.ch
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Adult (≥18 years) patients with known pathogenic or likely pathogenic MEN1-germline mutation and at least 1 associated tumor lesion OR hormonal syndrome
Exclusion Criteria:
- uncontrolled arterial hypertension, defined as blood pressure >160/100 mmHg
- Impaired kidney function, defined as creatinine clearance <50ml/min
- Impaired liver function, defined as bilirubin or liver transaminases >3 times upper normal range
- Cytopenia, defined as one or several of the following: hemogloin <100 g/l, leucopenia <2x109/l, thrombocytopenia <100x109/l
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Leflunomide 20mg
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once daily for 6 months
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The primary outcome is the effect of a 6 months' treatment with leflunomide 20mg/day on MEN1-associated functional and non-functional tumors
Time Frame: 6 months
|
6 months
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms
- Neoplasms by Site
- Endocrine System Diseases
- Endocrine Gland Neoplasms
- Genetic Diseases, Inborn
- Neoplastic Syndromes, Hereditary
- Neoplasms, Multiple Primary
- Multiple Endocrine Neoplasia
- Multiple Endocrine Neoplasia Type 1
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Immunosuppressive Agents
- Immunologic Factors
- Leflunomide
Other Study ID Numbers
- LUMEN1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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