Study of BMS-833923 in Two Specific Patients With Basal Cell Nevus Syndrome

Study Overview
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Brief Summary
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This is an extension study of Protocol CA194002 to allow 2 specific participants with basal cell nevus syndrome in the CA194002 study at Princess Margaret Cancer Centre who are still benefitting from the study drug BMS-833923 to continue receiving the study drug. This study will continue to evaluate the safety and tolerability of BMS-833923 in these participants.

Detailed Description
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The purpose of this study is to evaluate the safety and tolerability of BMS-833923 administered on an extension protocol in subjects with basal cell nevus syndrome (BCNS). This is an extension study of Protocol CA194002 to allow 2 specific participants with BCNS in the CA194002 study at Princess Margaret Cancer Centre who are still benefitting from the study drug BMS-833923, to continue receiving the study drug. In this open-label extension protocol, no new subjects will be recruited. The two BCNS subjects from Protocol CA194002 (subjects CA194002-1-14 and CA194002-1-25) will continue to receive BMS-833923 at the dose and schedule administered on CA194002 until fulfilling protocol criteria for discontinuation. These patients are receiving different doses: one being 60mg once every 2 weeks, and the other is receiving 300mg once daily. This study will continue to evaluate the safety and tolerability of BMS-833923 in these participants.

Official Title
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Extension Protocol of BMS-833923 in Subjects With Basal Cell Nevus Syndrome

Conditions
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Basal Cell Nevus Syndrome

Intervention / Treatment
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* Drug: BMS-833923


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Signed consent Two specific study participants enrolled on protocol CA194002 at Princess Margaret Cancer Centre and remain on BMS-833923 at the time of study entry Women, age 18 years and above Agree to use methods to prevent pregnancy, not pregnant or breastfeeding Exclusion Criteria: Known symptomatic brain metastasis A serious uncontrolled medical disorder or active infection, which would impair the ability of the patient to receive protocol therapy Gastrointestinal disease or surgery that could impact the absorption of study drug Inability to swallow oral medication Inability to be venipunctured and/or tolerate venous access Uncontrolled or significant cardiovascular Any other medical, psychiatric and/or social reason Have HIV, HepB, or HepC Exposure to immunosuppressants and immunotherapy concurrently with study treatment and up to 3 months Acceptable physical and laboratory test findings History of allergy to compounds chemically-related

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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Female

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Intervention Model: Single Group Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: BMS-833923<br>BMS-833923, by mouth, at the dose and schedule administered while enrolled in CA194002. | Drug: BMS-833923<br>* BMS-833923, by mouth, at the dose and schedule administered while enrolled in CA194002.<br>* Other names: XL139;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Frequency of side effects experienced per participant |  | From date of first study drug dose taken for this study until participant discontinuation, assessed up to 5 years | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Length of time participants' disease does not worsen |  | From date of first study drug dose taken for this study until the date of first documented progression or date of death from any cause, whichever comes first, accessed up to 5 years | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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BMS-833923, CA194002