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Phase 1 N=28 Randomized Other

Relative Bioavailability of Evobrutinib Tablet Batches

Healthy

Enrolled (actual)
28
Serious AEs
0.9%
Results posted
Dec 2025
Primary outcome: Primary: Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity (AUC0-inf) of Evobrutinib — 198; 164; 207; 205 hour×nanogram per milliliter (h×ng/mL)

Study Design & Population

Study type
Interventional
Phase
Phase 1
Interventions
Treatment A (Drug); Treatment B (Drug); Treatment C (Drug); Treatment D (Drug)
Age
Adult · 18+ yrs
Sex
All
Sponsor
Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany
Primary completion
Feb 2023

Outcome Measures

OutcomeResultp-value
PRIMARY
Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity (AUC0-inf) of Evobrutinib
198; 164; 207; 205
PRIMARY
Maximum Observed Plasma Concentration (Cmax) of Evobrutinib
111; 84.5; 117; 121
SECONDARY
Number of Participants With Treatment- Emergent Adverse Events (TEAEs)
2; 1; 2; 5
SECONDARY
Number of Participants With Treatment- Emergent Adverse Events (TEAEs) by Severity
2; 0; 0; 4; 0; 1
SECONDARY
Change From Baseline in Vital Signs: Systolic Blood Pressure and Diastolic Blood Pressure
0; -1; -1; -1; -1; -1
SECONDARY
Change From Baseline in Vital Signs: Temperature
0.2; 0.2; 0.0; 0.0
SECONDARY
Change From Baseline in Vital Signs: Pulse Rate
-2; -1; -3; -2
SECONDARY
Change From Baseline in Vital Signs: Respiratory Rate
0; -1; -1; -0
SECONDARY
Change From Baseline in Electrocardiograms (ECGs) Parameter: Heart Rate
-4; -2; -2; -1
SECONDARY
Change From Baseline in Electrocardiograms (ECGs) Parameter: RR Duration, QT Duration, QTcF Duration, PR Duration, QRS Duration
52; 36; 44; 18; 9; 6
SECONDARY
Number of Participants With Clinically Significant Changes in Laboratory Parameters
0; 0; 0; 0
SECONDARY
Area Under the Plasma Concentration Time Curve From Time Zero to the Time of the Last Quantifiable Concentration (AUC0-t) of Evobrutinib
194; 160; 204; 202
SECONDARY
Time to Reach Maximum Observed Plasma Concentration (Tmax) of Evobrutinib
1.00; 1.00; 1.00; 1.00
SECONDARY
Terminal Half Life (T1/2) of Evobrutinib
1.64; 1.78; 1.72; 1.37
SECONDARY
Apparent Total Body Clearance (CL/f) of Evobrutinib
227; 275; 217; 219
SECONDARY
Apparent Volume of Distribution During Terminal Phase (VZ/f) of Evobrutinib
627; 843; 658; 522
SECONDARY
Relative Bioavailability Based on Area Under the Plasma Concentration Curve From Time Zero Extrapolated to Infinity [Frel(AUC0-inf)] of Evobrutinib (Treatment B, C and D) Compared to Evobrutinib Reference Treatment A
84.0; 105; 106

Summary

The main purpose of the study is to compare the Pharmacokinetics (PK), safety and tolerability of different manufacturing batches of M2951 tablet formulation relative to a reference batch under fasted conditions in healthy participants.

Eligibility Criteria

Inclusion Criteria

  • Participants who 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 risk to participant safety or interfere with the study evaluation, procedures, or completion
  • Participants who have a body weight within 50.0 and 100.0 kilogram (kg) (inclusive) and Body Mass Index within the range 19.0 and 30.0 kg/ meter square (m2) (inclusive)
  • Female participant who agrees to use appropriate contraception and barrier methods.
  • Male participants: No contraception needed
  • Participants who are capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the ICF and this protocol
  • Participants who are stable non-smokers for at least 3 months preceding Screening
  • Other protocol defined inclusion criteria could apply

Exclusion Criteria

  • Participants with history or presence of clinically relevant respiratory, gastrointestinal, renal, hepatic, hematological, lymphatic, neurological, cardiovascular, musculoskeletal, genitourinary, immunological, dermatological, connective tissue, psychiatric (due to rare risk of hallucinations, agitation and activation of psychosis), and other diseases or disorders, and epilepsy, as determined by medical evaluation
  • Participants with diagnosis of hemochromatosis, Wilson´s disease, alpha 1 antitrypsin deficiency, or any other chronic liver disease including Gilbert's disease will be excluded from the study
  • Participants with prior history of cholecystectomy or splenectomy, and any clinically relevant surgery within 6 months prior to the first administration of study intervention
  • Participants with history of any malignancy
  • Participants with history of seizures
  • Participants with history of pharmacologically treated psychiatric disease
  • Participants with history of chronic or recurrent acute infection or any bacterial, viral, parasitic or fungal infections within 30 days prior to Screening and at any time between Screening and admission, or hospitalization due to infection within 6 months prior to the first administration of study intervention
  • Participants with history of shingles within 12 months prior to Screening
  • Participants with history of drug hypersensitivity
  • Participants with history of residential exposure to tuberculosis, or a positive QuantiFERON® test within 4 weeks prior to or at the time of Screening
  • Participants positive for
  • hepatitis B surface antigen, hepatitis B core antibody, hepatitis C antibody, or Human Immunodeficiency Virus (HIV) I and II tests at Screening
  • severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) at Screening and Day -1
  • Participants with any condition, including findings in the laboratory tests, medical history (example heart failure, hypokalemia, family history of Long QT Syndrome), or other Screening assessments, that in the opinion of the Investigator constitutes an inappropriate risk or a contraindication for participation in the study or that could interfere with the study's objectives, conduct, or evaluation
  • Participants with history of administration of live vaccines or live-attenuated virus vaccines within 3 months prior to Day 1.
  • Participants with history of administration of other types of vaccines is allowed until 14 days before the first administration of study intervention, thereafter it is prohibited until the end of the study.
  • Participants with Moderate or strong inhibitors or inducers of Cytochrome P450 3A4 (CYP3A4)/5 or Pgp within 4 weeks prior to the first administration of study intervention
  • Participants with use of any prescribed medicine or over-the-counter drug or dietary supplement, including herbal remedies, vitamins, and minerals, antacids and dietary supplements such as fish oils within 2 weeks or 5 times the half-life o
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT07214922). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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