Study of VX-770 on Midazolam and Rosiglitazone and the Effect of Fluconazole on VX-770

Study Overview
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Brief Summary
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The objectives of this study are to evaluate the effects of VX-770 on Midazolam and Rosiglitazone, and the effect of Fluconazole on VX-770.

Official Title
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An Open-Label Phase 1 Study to Examine the Effect of VX-770 on Midazolam and Rosiglitazone and the Effect of Fluconazole on VX-770 in Healthy Subjects

Conditions
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Cystic Fibrosis

Intervention / Treatment
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* Drug: VX-770
* Drug: VX-770


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Subjects must be male or female and between 18 and 55 years of age. Subjects must be judged to be in good health. Subjects must have a body mass index (BMI) from 18 to 30 kg/m2. Exclusion Criteria: History of any illness that, in the opinion of the investigator or the subject's general practitioner, might confound the results of the study or pose an additional risk in administering study drug(s) to the subject. Subjects who have human immunodeficiency virus (HIV), hepatitis C, or active hepatitis B. Female subjects and female partner(s) of male subjects who are pregnant, nursing, or planning to become pregnant during the study or within 90 days of the last dose of study drug. History of cardiovascular disease, hypoglycemia, or edema.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 55 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Non-Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: VX-770<br> | Drug: VX-770<br>* In period 1, subjects will receive a single oral dose of midazolam (2 mg) and on Day 1 and Day 8. Subjects will receive single oral dose of rosiglitazone 4 mg and on Day2 and Day 9. Subjects will receive multiple doses of VX-770 150 mg q12h Day 3-10.<br>Drug: VX-770<br>* In period 2, subjects will receive 150 mg VX-770 q12h orally from Day 1 through the morning of Day 8. On the morning of Period 2 Day 1, subjects will receive a 400 mg loading dose of fluconazole. Thereafter, subjects will receive 200 mg fluconazole qd orally from Day 2 through Day 9.<br>|
| Experimental: Midazolam<br> | Drug: VX-770<br>* In period 1, subjects will receive a single oral dose of midazolam (2 mg) and on Day 1 and Day 8. Subjects will receive single oral dose of rosiglitazone 4 mg and on Day2 and Day 9. Subjects will receive multiple doses of VX-770 150 mg q12h Day 3-10.<br>|
| Experimental: Rosiglitazone<br> | Drug: VX-770<br>* In period 1, subjects will receive a single oral dose of midazolam (2 mg) and on Day 1 and Day 8. Subjects will receive single oral dose of rosiglitazone 4 mg and on Day2 and Day 9. Subjects will receive multiple doses of VX-770 150 mg q12h Day 3-10.<br>|
| Experimental: Fluconazole<br> | Drug: VX-770<br>* In period 2, subjects will receive 150 mg VX-770 q12h orally from Day 1 through the morning of Day 8. On the morning of Period 2 Day 1, subjects will receive a 400 mg loading dose of fluconazole. Thereafter, subjects will receive 200 mg fluconazole qd orally from Day 2 through Day 9.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Midazolam, Rosiglitazone and VX 770 pharmacokinetic (PK) parameter |  | 11 days | 
| Fluconazole and VX 770 PK parameters |  | 10 days | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| 1´ hydroxy midazolam PK parameters in plasma |  | 11 days | 
| Safety as measured by adverse events, physical examinations, vital signs, ECGs, and clinically significant laboratory assessments |  | 21 days | 
| Metabolites PK parameters in plasma |  | 21 days |