The purpose of the study is to evaluate the routes and rate of elimination and recovery of total radioactivity (TRA) and characterize the Pharmacokinetic (PK) of VX-993 after a single oral dose of 14C-VX-993.

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.)

Key Inclusion Criteria:

• Body mass index (BMI) of 18.0 to 32.0 kilogram per meter square (kg/m^2), inclusive
• A total body weight of more than (>) 50 kg
• Participants must have at least 1 regular bowel movement per day

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, distribution, metabolism, or excretion
• Exposure to any non-environmental radiation within 12 months of dosing
• Participation in more than 1 radiolabeled study (if prior radiation exposure unknown) or participation in more than 3 radiolabeled studies (if radiation exposure known) in the 12 months before dosing or if the annual whole body radiation exposure from previous studies (including this dosing) exceeds FDA-allowed maximum whole body radiation exposure of 5000 mrem

Other protocol defined Inclusion/Exclusion criteria may apply.

Details on Vertex data sharing criteria and process for requesting access can be found at: https://www.vrtx.com/independent-research/clinical-trial-data-sharing