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Effects of VX-407 on the Pharmacokinetics of Combined Oral Contraceptives

A Phase 1, Open-label Drug Interaction Study to Evaluate the Effect of VX-407 on the Pharmacokinetics of Combined Oral Contraceptives

Status
Not yet recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07792408
Enrollment
148
Registered
2026-08-28
Start date
2026-08-28
Completion date
2027-03-20
Last updated
2026-08-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Autosomal Dominant Polycystic Kidney Disease (ADPKD)

Brief summary

The purpose of the study is to evaluate the pharmacokinetic effects and safety and tolerability of VX-407 when coadministered with oral contraceptives.

Detailed description

The purpose of the study is to evaluate the pharmacokinetic effects and safety and tolerability of VX-407 when coadministered with oral contraceptives. 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.).

Interventions

DRUGVX-407

Tablets for Oral Administration.

DRUGLNG/EE

Combination Tablets for Oral Administration.

DRUGNGM/EE

Combination Tablets for Oral Administration.

DRUGNET/EE

Combination Tablets for Oral Administration.

Combination Tablets for Oral Administration.

Sponsors

Vertex Pharmaceuticals Incorporated
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 50 Years
Healthy volunteers
Yes

Inclusion criteria

Key Inclusion Criteria: * Body mass index (BMI) of 18.0 to 30.0 kilogram per meter square (kg/m\^2), inclusive * A total body weight of greater than (\>) 50 kg Key

Exclusion criteria

* History of febrile illness within 5 days before the first dose of study drug * Pregnant, nursing, or planning to become pregnant during the study or within 90 days after the last dose of study drug Other protocol defined Inclusion/

Design outcomes

Primary

MeasureTime frame
Part A: Maximum Observed Plasma Concentration (Cmax) of LNG/EE in the Absence and Presence of VX-407From Day 1 up to Day 7 and Day 21 up to Day 27
Part B (Optional): Maximum Observed Plasma Concentration (Cmax) of norelgestromin (NGMN) and norgestrel (NG) (active metabolites of NGM) and EE in the Absence and Presence of VX-407From Day 1 up to Day 9 and Day 23 up to Day 31
Part C (Optional): Maximum Observed Plasma Concentration (Cmax) of NET and EE in the Absence and Presence of VX-407From Day 1 up to Day 5 and Day 19 up to Day 23
Part D (Optional): Maximum Observed Plasma Concentration (Cmax) of DRSP and EE in the Absence and Presence of VX-407From Day 1 up to Day 7 and Day 21 up to Day 27
Part A: Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of LNG/EE in the Absence and Presence of VX-407From Day 1 up to Day 7 and Day 21 up to Day 27
Part B (Optional): Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of norelgestromin (NGMN) and norgestrel (NG) (active metabolites of NGM) and EE in the Absence and Presence of VX-407From Day 1 up to Day 9 and Day 23 up to Day 31
Part C (Optional): Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of NET and EE in the Absence and Presence of VX-407From Day 1 up to Day 5 and Day 19 up to Day 23
Part D (Optional): Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of DRSP and EE in the Absence and Presence of VX-407From Day 1 up to Day 7 and Day 21 up to Day 27

Secondary

MeasureTime frame
Part A: Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)From Day 1 up to Day 36
Part B (Optional): Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)From Day 1 Up to Day 39
Part C (Optional): Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)From Day 1 up to Day 32
Part D (Optional): Safety and Tolerability as Assessed by Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)From Day 1 up to Day 36
Part A: Maximum Observed Plasma Concentration (Cmax) of VX-407Days 9, 15 and 21 up to Day 27
Part B (Optional): Maximum Observed Plasma Concentration (Cmax) of VX-407Days 11, 17 and 23 up to Day 31
Part C (Optional): Maximum Observed Plasma Concentration (Cmax) of VX-407Days 7, 13 and 19 up to Day 23
Part D (Optional): Maximum Observed Plasma Concentration (Cmax) of VX-407Days 9, 15 and 21 up to Day 27
Part A: Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-407Days 9, 15 and 21 up to Day 27
Part B (Optional): Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-407Days 11, 17 and 23 up to Day 31
Part C (Optional): Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-407Days 7, 13 and 19 up to Day 23
Part D (Optional): Area Under the Concentration Versus Time Curve From the Time of Dosing Extrapolated to Infinity (AUC0-inf) of VX-407Days 9, 15 and 21 up to Day 27

Contacts

CONTACTMedical Information
medicalinfo@vrtx.com617-341-6777

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 29, 2026