A Study to Evaluate the Relative Bioavailability and Food Effect of a New Tablet Formulation of VX-548

Study Overview
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Brief Summary
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The purpose of this study is to evaluate the relative bioavailability and food effect of a new tablet formulation of VX-548 in healthy adult participants.

Detailed Description
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This clinical trial information was submitted voluntarily under the applicable law and, therefore, certain submission deadlines may not apply. (That is, clinical trial information for this applicable clinical trial was submitted under section 402(j)(4) (A) of the Public Health Service Act and 42 CFR 11.60 and is not subject to the deadlines established by sections 402(j)(2) and (3) of the Public Health Service Act or 42 CFR 11.24 and 11.44.).

Official Title
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A Phase 1, Open-label, Randomized, Crossover Study to Evaluate the Relative Bioavailability and Food Effect of a New Tablet Formulation of VX-548 in Healthy Adult Subjects

Conditions
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Pain

Intervention / Treatment
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* Drug: VX-548


Participation Criteria
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Eligibility Criteria
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Key Inclusion Criteria: Body mass index (BMI) of 18.0 to 32.0 kilogram per meter square (Kg/m^2) A total body weight greater than (>)50 kg Key Exclusion Criteria: History of febrile illness or other acute illness that has not fully resolved within 14 days before the first dose of study drug Any condition possibly affecting drug absorption Female participants of childbearing potential Male participants with a female partner who is pregnant, nursing, or planning to become pregnant during the study History of cardiovascular disease, cardiac dysrhythmias or central nervous system disease Other protocol defined Inclusion/Exclusion criteria may apply.

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: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Sequence 1<br>Participants will receive VX-548 reference tablet (TF1) under fasted condition in dosing period 1, then VX-548 test tablet (TF2) under fasted condition in dosing period 2, and finally VX-548 test tablet (TF2) under fed condition in dosing period 3. A washout period of 12 days will be maintained between 3 dosing periods. | Drug: VX-548<br>* Tablet for oral administration.<br>|
| Experimental: Sequence 2<br>Participants will receive VX-548 TF1 under fasted condition in dosing period 1, then VX-548 TF2 under fed condition in dosing period 2, and finally VX-548 TF2 under fasted condition in dosing period 3. A washout period of 12 days will be maintained between 3 dosing periods. | Drug: VX-548<br>* Tablet for oral administration.<br>|
| Experimental: Sequence 3<br>Participants will receive VX-548 TF2 under fasted condition in dosing period 1, then VX-548 TF1 under fasted condition in dosing period 2, and finally VX-548 TF2 under fed condition in dosing period 3. A washout period of 12 days will be maintained between 3 dosing periods. | Drug: VX-548<br>* Tablet for oral administration.<br>|
| Experimental: Sequence 4<br>Participants will receive VX-548 TF2 under fasted condition in dosing period 1, then VX-548 TF2 under fed condition in dosing period 2, and finally VX-548 TF1 under fasted condition in dosing period 3. A washout period of 12 days will be maintained between 3 dosing periods. | Drug: VX-548<br>* Tablet for oral administration.<br>|
| Experimental: Sequence 5<br>Participants will receive VX-548 TF2 under fed condition in dosing period 1, then VX-548 TF1 under fasted condition in dosing period 2, and finally VX-548 TF2 under fasted condition in dosing period 3. A washout period of 12 days will be maintained between 3 dosing periods. | Drug: VX-548<br>* Tablet for oral administration.<br>|
| Experimental: Sequence 6<br>Participants will receive VX-548 TF2 under fed condition in dosing period 1, then VX-548 TF2 under fasted condition in dosing period 2, and finally VX-548 TF1 under fasted condition in dosing period 3. A washout period of 12 days will be maintained between 3 dosing periods. | Drug: VX-548<br>* Tablet for oral administration.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Maximum Observed Plasma Concentration (Cmax) of VX-548 |  | Pre-dose, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 12, 24, 48, 72, 96, 144, up to 216 hours Post-dose | 
| Area Under the Concentration Versus Time Curve From the Time of Dosing to the Last Measurable Concentration (AUClast) of VX-548 |  | Pre-dose, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 12, 24, 48, 72, 96, 144, up to 216 hours Post-dose | 
| Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-548 |  | Pre-dose, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 12, 24, 48, 72, 96, 144, up to 216 hours Post-dose | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Maximum Observed Plasma Concentration (Cmax) of VX-548 Metabolite |  | Pre-dose, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 12, 24, 48, 72, 96, 144, up to 216 hours Post-dose | 
| Area Under the Concentration Versus Time Curve From the Time of Dosing to the Last Measurable Concentration (AUClast) of VX-548 Metabolite |  | Pre-dose, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 12, 24, 48, 72, 96, 144, up to 216 hours Post-dose | 
| Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-548 Metabolite |  | Pre-dose, 0.5, 1, 1.5, 2, 3, 4, 5, 6, 8, 12, 24, 48, 72, 96, 144, up to 216 hours Post-dose | 
| Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs) |  | Day 1 up to Day 40 |