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Evobruitnib

Phase 1

Healthy | Small molecule | Other |Merck KGaA|Last Updated: Nov 14, 2025

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment20

FDA Designations

No designations recorded

Clinical trial landscape

Evobruitnib · 1 trial · 1 indication

Phase 1 1
NCT07215806Effect of Evobrutinib on Pharmacokinetics of a Combined Oral ContraceptiveHealthy
COMPLETED20 Analytics
PHASE1COMPLETED
Effect of Evobrutinib on Pharmacokinetics of a Combined Oral Contraceptive
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Study Endpoints

Primary Endpoints

Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity (AUC0-inf) of Ethinyl Estradiol and Norethisterone
Pre-dose, 0.3, 0.6, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 60 and 72 hours post-dose on Days 1, 2, 3, 4, 15, 16, 17 and 18

AUC0-inf was calculated by combining AUC0-t and AUCextra. AUCextra represents an extrapolated value obtained by Clast pred/Lambda z, where Clast pred was the calculated serum concentration at the last sampling time point at which the measured serum concentration is at or above the Lower Limit of quantification (LLOQ) and Lambda z was the apparent terminal rate constant determined by log-linear regression analysis of the measured serum concentrations of the terminal log-linear phase.

Maximum Observed Plasma Concentration (Cmax) of Ethinyl Estradiol and Norethisterone
Pre-dose, 0.3, 0.6, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 36, 48, 60 and 72 hours post-dose on Days 1, 2, 3, 4, 15, 16, 17 and 18

Cmax was obtained directly from the concentration versus time curve.

Secondary Endpoints

Number of Participants With Treatment- Emergent Adverse Events (TEAEs)
Up to 46 days
Number of Participants With Treatment- Emergent Adverse Events (TEAEs) by Severity
Up to 46 days
Change From Baseline in Hematology Parameter: Hemoglobin at Day 18
Baseline, Day 18
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeOTHER

Treatment Arms

ArmTypeDescription
COC + EvobrutinibEXPERIMENTALParticipants received combined oral contraceptive (COC) \[0.03 milligrams (mg) of Ethinyl Estradiol (EE)\], 0.5 mg of Norethisterone (NET)\] orally on Day 1 and 15 in combination with Evobruitnib at a dose of 45 mg orally twice daily on Days 4 to 17.

Interventions

NameTypeDescription
EvobruitnibDRUGParticipants received Evobruitnib at a dose of 45 mg orally twice daily on Days 4 to 17.
Combined oral contraceptive [ethinyl estradiol/ norethisterone (EE/NET)]DRUGParticipants received combined oral contraceptive (COC) \[0.03 milligrams (mg) of Ethinyl Estradiol (EE)\], 0.5 mg of Norethisterone (NET)\] orally on Day 1 and 15.
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Eligibility Criteria

Age Range18 Years to 68 Years
SexFEMALE
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Participants are overtly healthy as determined by medical evaluation, including no clinically significant abnormality identified on physical examination or laboratory evaluation and no active clinically significant disorder, condition, infection or disease that would pose a ri...

Countries:Germany
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Frequently asked questions about Evobruitnib

What is Evobrutinib?

Evobrutinib is an investigational small molecule being developed by Merck KGaA (ticker: MKGAF). It is currently in Phase 1 clinical development. The drug has been studied in a completed clinical trial involving healthy female participants.

What is Evobrutinib used for?

Evobrutinib is being studied for its effect on the pharmacokinetics of a combined oral contraceptive in healthy participants. The completed Phase 1 trial enrolled 20 healthy female subjects to evaluate this drug interaction. It is not approved for any indication and remains investigational.

Who makes Evobrutinib?

Evobrutinib is being developed by Merck KGaA, a science and technology company. The company's stock is traded under the ticker MKGAF. Merck KGaA is conducting clinical research on this investigational small molecule drug.

What phase is Evobrutinib in?

Evobrutinib is in Phase 1 clinical development. The drug has completed one Phase 1 trial, which was an uncontrolled, open-label study. It is not FDA approved and remains an investigational agent under clinical investigation.

What clinical trials is Evobrutinib in?

Evobrutinib has one completed clinical trial registered as NCT07215806. This Phase 1 study, titled "Effect of Evobrutinib on Pharmacokinetics of a Combined Oral Contraceptive," enrolled 20 healthy female participants in Germany. The trial was not randomized or double-blinded.