Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: A Phase 1, Randomized, Double Blind, Placebo Controlled, Dose Escalation, and Bioavailability Study Evaluating the Safety and Pharmacokinetics of VX-659 in Healthy Subjects and in Subjects With Cystic Fibrosis
Brief Summary: Evaluate the safety and tolerability of VX-659 in healthy subjects


Options:
A: Arm Label: Arm 1 Part A: LUM 600 mg qd/ IVA 250 mg q12h; Type: EXPERIMENTAL; Interventions: Drug: Lumacaftor Plus Ivacaftor Combination, Drug: Ivacaftor | Arm Label: Arm 2 Part A: Placebo - LUM 600 mg qd/ IVA 250 mg q12h; Type: EXPERIMENTAL; Interventions: Drug: Lumacaftor Plus Ivacaftor Combination, Drug: Ivacaftor | Arm Label: Arm 3 Part A: LUM 400 mg q12h/ IVA 250 mg q12h; Type: EXPERIMENTAL; Interventions: Drug: Lumacaftor Plus Ivacaftor Combination | Arm Label: Arm 4 Part A: Placebo - LUM 400 mg q12h/ IVA 250 mg q12h; Type: EXPERIMENTAL; Interventions: Drug: Lumacaftor Plus Ivacaftor Combination | Arm Label: Arm 5 Part A: Observational Cohort; Type: NO_INTERVENTION; Interventions: N/A | Arm Label: Arm 6 Part B: LUM 400 mg q12h/ IVA 250 mg q12h; Type: EXPERIMENTAL; Interventions: Drug: Lumacaftor Plus Ivacaftor Combination | Arm Label: Arm 7 Part B: Placebo - LUM 400 mg q12h/ IVA 250 mg q12h; Type: EXPERIMENTAL; Interventions: Drug: Lumacaftor Plus Ivacaftor Combination | Intervention Type: DRUG; Name: Lumacaftor Plus Ivacaftor Combination; Assigned to Arm(s): Arm 1 Part A: LUM 600 mg qd/ IVA 250 mg q12h, Arm 2 Part A: Placebo - LUM 600 mg qd/ IVA 250 mg q12h, Arm 3 Part A: LUM 400 mg q12h/ IVA 250 mg q12h, Arm 4 Part A: Placebo - LUM 400 mg q12h/ IVA 250 mg q12h, Arm 6 Part B: LUM 400 mg q12h/ IVA 250 mg q12h, Arm 7 Part B: Placebo - LUM 400 mg q12h/ IVA 250 mg q12h | Intervention Type: DRUG; Name: Ivacaftor; Assigned to Arm(s): Arm 1 Part A: LUM 600 mg qd/ IVA 250 mg q12h, Arm 2 Part A: Placebo - LUM 600 mg qd/ IVA 250 mg q12h
B: Arm Label: Part A: VX-659 or Matching Placebo; Type: EXPERIMENTAL; Interventions: Drug: VX-659, Drug: VX-659 Matching Placebo | Arm Label: Part B: VX-659 or Matching Placebo; Type: EXPERIMENTAL; Interventions: Drug: VX-659, Drug: VX-659 Matching Placebo | Arm Label: Part C: VX-659 in TC with TEZ/IVA or Matching Triple Placebo; Type: EXPERIMENTAL; Interventions: Drug: VX-659, Drug: Tezacaftor, Drug: Ivacaftor, Drug: Triple Combination (TC) Matching Placebos | Arm Label: Part D: VX-659 in TC with TEZ/IVA or Matching Triple Placebo; Type: EXPERIMENTAL; Interventions: Drug: VX-659, Drug: Tezacaftor, Drug: Ivacaftor, Drug: Triple Combination (TC) Matching Placebos | Intervention Type: DRUG; Name: VX-659; Assigned to Arm(s): Part A: VX-659 or Matching Placebo, Part B: VX-659 or Matching Placebo, Part C: VX-659 in TC with TEZ/IVA or Matching Triple Placebo, Part D: VX-659 in TC with TEZ/IVA or Matching Triple Placebo | Intervention Type: DRUG; Name: Tezacaftor; Assigned to Arm(s): Part C: VX-659 in TC with TEZ/IVA or Matching Triple Placebo, Part D: VX-659 in TC with TEZ/IVA or Matching Triple Placebo | Intervention Type: DRUG; Name: Ivacaftor; Assigned to Arm(s): Part C: VX-659 in TC with TEZ/IVA or Matching Triple Placebo, Part D: VX-659 in TC with TEZ/IVA or Matching Triple Placebo | Intervention Type: DRUG; Name: VX-659 Matching Placebo; Assigned to Arm(s): Part A: VX-659 or Matching Placebo, Part B: VX-659 or Matching Placebo | Intervention Type: DRUG; Name: Triple Combination (TC) Matching Placebos; Assigned to Arm(s): Part C: VX-659 in TC with TEZ/IVA or Matching Triple Placebo, Part D: VX-659 in TC with TEZ/IVA or Matching Triple Placebo
C: Arm Label: ELX/TEZ/IVA; Type: EXPERIMENTAL; Interventions: Drug: ELX/TEZ/IVA, Drug: IVA | Intervention Type: DRUG; Name: ELX/TEZ/IVA; Assigned to Arm(s): ELX/TEZ/IVA | Intervention Type: DRUG; Name: IVA; Assigned to Arm(s): ELX/TEZ/IVA
D: Arm Label: VX-659/TEZ/IVA; Type: EXPERIMENTAL; Interventions: Drug: VX-659/TEZ/IVA, Drug: IVA | Intervention Type: DRUG; Name: VX-659/TEZ/IVA; Assigned to Arm(s): VX-659/TEZ/IVA | Intervention Type: DRUG; Name: IVA; Assigned to Arm(s): VX-659/TEZ/IVA

Answer: B