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Microgynon

Phase 1

Tuberculosis | Small molecule | Infectious Disease |GSK plc|Last Updated: Aug 26, 2025

Success Probability

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment20

FDA Designations

No designations recorded

Clinical trial landscape

Microgynon · 1 trial · 1 indication

Phase 1 1
NCT06354257A Study to Investigate the Pharmacokinetics of a Combined Oral Contraceptive When Given Alone and in Combination With GSK3036656 in Female Participants of Non-childbearing Potential Aged 18 to 65 Years of AgeTuberculosis
COMPLETED20 Analytics
PHASE1COMPLETED
A Study to Investigate the Pharmacokinetics of a Combined Oral Contraceptive When Given Alone and in Combination With GSK3036656 in Female Participants of Non-childbearing Potential Aged 18 to 65 Years of Age
TuberculosisUnlock trial analytics

Study Endpoints

Primary Endpoints

Area Under the Plasma Drug Concentration (AUC) From Time Zero Extrapolated to Infinity (AUC[0-inf]) After a Single Dose of EE and LNG
At Day 1 for the Treatment Period 1: Microgynon Group and at Day 15 for the Treatment Period 3: Microgynon + GSK3036656 Group

AUC(0-inf) is defined as the area under the concentration-time curve from time 0 extrapolated to infinity and was calculated by using a non-compartmental analysis.

Maximum Observed Plasma Concentration (Cmax) After a Single Dose of EE and LNG
At Day 1 for the Treatment Period 1: Microgynon Group and at Day 15 for the Treatment Period 3: Microgynon + GSK3036656 Group

Cmax is defined as the maximum observed plasma concentration determined directly from the concentration-time data and was calculated by using a non-compartmental analysis.

Secondary Endpoints

AUC Versus Time Curve From Time Zero During a Dosage Interval of Time at Steady State [AUC(0-tau)] of GSK3036656 With EE/LNG
At Day 15
Cmax at Steady State of GSK3036656 With EE/LNG
At Day 15
Trough Plasma Concentration (Ctau) at Steady State of GSK3036656 With EE/LNG and GSK3036656 Alone
At Day 8, 10, 12, 15 and 16
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Combined Participants GroupEXPERIMENTALParticipants received a dose of Microgynon \[0.03 mg Ethinyl Estradiol (EE)/0.15 mg Levonorgestrel (LNG)\] on Day 1 of Treatment Period 1. In Treatment Period 2, they received GSK3036656 40 mg on Day 4 followed by GSK3036656 20 mg once daily from Day 5 to Day 14. In Treatment Period 3, participants received Microgynon (EE/LNG) along with GSK3036656 20 mg on Day 15, followed by GSK3036656 20 mg once daily from Day 16 to Day 17.

Interventions

NameTypeDescription
MicrogynonDRUGParticipants received 1 dose of Microgynon (0.03 mg EE/0.15 mg LNG) on Day 1 of Treatment Period 1 and 1 dose co-administered with GSK3036656 20 mg on Day 15 of Treatment Period 3.
GSK3036656DRUGParticipants received 1 loading dose of 40 mg on Day 4 and a dose of 20 mg on Days 5 to 14 once daily in Treatment Period 2. In Treatment Period 3, participants received one 20 mg dose along with Microgynon (0.03 mg EE/0.15 mg LNG) on Day 15 after which a 20 mg dose on Days 17 and 18 once daily.
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Eligibility Criteria

Age Range18 Years to 65 Years
SexFEMALE
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: Age: 1. Participant was 18 to 65 years of age, inclusive, at the time of signing the informed consent. Type of Participant and Disease Characteristics: 2. Participants were healthy or compensated, as determined by the investigator or medically qualified designee, based on a...

Countries:Spain
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Competitive Landscape -Tuberculosis 7 trials

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Frequently asked questions about Microgynon

What is Microgynon used for in tuberculosis?

Microgynon is a combined oral contraceptive being studied in the context of tuberculosis. It is used in a clinical trial to investigate its pharmacokinetics when given alone and in combination with GSK3036656 in female participants of non-childbearing potential aged 18 to 65 years. The trial is not a treatment study for tuberculosis itself.

Who makes Microgynon?

Microgynon is developed by GSK plc, a global pharmaceutical company listed on the stock exchange under the ticker GSK. The company is conducting research on this drug in the context of tuberculosis, specifically evaluating its interaction with another investigational drug in a pharmacokinetic study.

What phase is Microgynon in?

Microgynon is in Phase 1 clinical development. The completed trial, NCT06354257, was a Phase 1 study that has finished. Microgynon is an investigational drug in this context and is not yet approved for any use related to tuberculosis.

What clinical trials is Microgynon in?

Microgynon has one completed clinical trial, NCT06354257, titled 'A Study to Investigate the Pharmacokinetics of a Combined Oral Contraceptive When Given Alone and in Combination With GSK3036656 in Female Participants of Non-childbearing Potential Aged 18 to 65 Years of Age.' The trial enrolled 20 female participants in Spain and was not randomized or double-blinded.

Is Microgynon the same as GSK3036656?

No, Microgynon is not the same as GSK3036656. Microgynon is a combined oral contraceptive, while GSK3036656 is a separate investigational drug. The clinical trial NCT06354257 studies the pharmacokinetics of Microgynon when given alone and in combination with GSK3036656 in female participants.