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Ref

Phase 1

Undisclosed | Small molecule | Other |Merck KGaA|Trials Updated: Mar 22, 2023

Ref target and mechanism

ModalitySmall molecule

Also known as Ref (TF2)

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLED
Total Trials1
Total Enrollment58

FDA Designations

No designations recorded

Ref clinical trials

Ref · 1 trial · 1 indication

Phase 1 1
NCT05245396Study Comparing Pharmacokinetics of Different Formulations of Evobrutinib in Healthy ParticipantsHealthy
COMPLETED58 Analytics
PHASE1COMPLETED
Study Comparing Pharmacokinetics of Different Formulations of Evobrutinib in Healthy Participants
HealthyUnlock trial analytics

Study Endpoints

Primary Endpoints

Relative Bioavailability Based on Area Under the Plasma Concentration Curve From Time Zero to 24 Hours Post Dose [Frel(AUC0-24)] of Evobrutinib Modified-Release Formulation Compared to Immediate-Release Evobrutinib Reference Formulation
Pre-dose up to 72 hours post-dose on Day 4
Relative Bioavailability Based on Area Under the Plasma Concentration Curve From Time Zero to Infinity [Frel(AUC0-inf)] of Evobrutinib Modified-Release Formulation Compared to Immediate-Release Evobrutinib Reference Formulation
Pre-dose up to 72 hours post-dose on Day 4

Secondary Endpoints

Number of Participants with Treatment-Emergent Adverse Events (AEs), Serious Adverse Events (SAEs), Abnormal Laboratory Test Results, Abnormal Vital Signs and Abnormal Electrocardiogram (ECG) Measurements
Up to Day 123
Pharmacokinetic Plasma Concentration of Evobrutinib Formulations
Pre-dose up to 72 hours post-dose on Day 4
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part A: Evobrutinib: Treatment Sequence 1EXPERIMENTALParticipants will receive single oral dose of modified release evobrutinib tablet-1 (MR-T1) on Day 1 in treatment period 1, followed by single oral dose of modified release tablet-2 (MR-T2) on Day 1 in treatment period 2, followed by two single oral doses of immediate release (IR) oral tablet \[Ref (TF2)\] on Day 1 in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or multiparticulate system capsules (MUPS-C) formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part A: Evobrutinib: Treatment Sequence 2EXPERIMENTALParticipants will receive single oral dose of MR-T2 on Day 1 in treatment period 1, followed by two single oral doses of Ref (TF2) on Day 1 in treatment period 2, followed by single oral dose of MR-T1 on Day 1 in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part A: Evobrutinib: Treatment Sequence 3EXPERIMENTALParticipants will receive two single oral doses of Ref (TF2) on Day 1 in treatment period 1, followed by single oral dose of MR-T1 on Day 1 in treatment period 2, followed by single oral dose of MR-T2 on Day 1 in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part A: Evobrutinib: Treatment Sequence 4EXPERIMENTALParticipants will receive single oral dose of modified release evobrutinib tablet-3 (MR-T3) on Day 1 in treatment period 1, followed by single oral dose of modified release tablet-4 (MR-T4) on Day 1 in treatment period 2, followed by two single oral doses of immediate release (IR) oral tablet \[Ref (TF2)\] on Day 1 in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or multiparticulate system capsules (MUPS-C) formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part A: Evobrutinib: Treatment Sequence 5EXPERIMENTALParticipants will receive single oral dose of MR-T4 on Day 1 in treatment period 1, followed by two single oral doses of Ref (TF2) on Day 1 in treatment period 2, followed by single oral dose of MR-T3 on Day 1 in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part A: Evobrutinib: Treatment Sequence 6EXPERIMENTALParticipants will receive two single oral doses of Ref (TF2) on Day 1 in treatment period 1, followed by single oral dose of MR-T3 on Day 1 in treatment period 2, followed by single oral dose of MR-T4 on Day 1 in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part B: Evobrutinib: Treatment Sequence 1EXPERIMENTALParticipants will receive single oral dose of MUPS-C1 evobrutinib on Day 1 in treatment period 1, followed by single oral dose of MUPS-C2 on Day 1 in treatment period 2, followed by two single oral doses of Ref (TF2) on Day 1 of in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part B: Evobrutinib: Treatment Sequence 2EXPERIMENTALParticipants will receive single oral dose of MUPS-C2 evobrutinib on Day 1 in treatment period 1, followed by two single oral doses of Ref (TF2) on Day 1 in treatment period 2, followed by single oral dose of MUPS-C2 on Day 1 of in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part B: Evobrutinib: Treatment Sequence 3EXPERIMENTALParticipants will receive two single oral doses of Ref (TF2) evobrutinib on Day 1 in treatment period 1, followed by single oral dose of MUPS-C1 on Day 1 in treatment period 2, followed by single oral dose of MUPS-C2 on Day 1 of in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part C: Evobrutinib: Treatment Sequence 4EXPERIMENTALParticipants will receive single oral dose of MUPS-C3 evobrutinib on Day 1 in treatment period 1, followed by single oral dose of MUPS-C4 on Day 1 in treatment period 2, followed by two single oral doses of Ref (TF2) on Day 1 of in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part C: Evobrutinib: Treatment Sequence 5EXPERIMENTALParticipants will receive single oral dose of MUPS-C4 evobrutinib on Day 1 in treatment period 1, followed by two single oral doses of Ref (TF2) on Day 1 in treatment period 2, followed by single oral dose of MUPS-C3 on Day 1 of in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part C: Evobrutinib: Treatment Sequence 6EXPERIMENTALParticipants will receive two single oral doses of Ref (TF2) evobrutinib on Day 1 in treatment period 1, followed by single oral dose of MUPS-C3 on Day 1 in treatment period 2, followed by single oral dose of MUPS-C4 on Day 1 of in treatment period 3, followed by 2 sequential periods 4 and 5. The best MR-T and /or MUPS-C formulation from period 1, 2, and 3 will be tested with additional optimization to choose the best overall formulation in treatment period 4. The best overall formulation from Period 4 may be further tested in treatment period 5 under fed or fasted conditions. There will be 72 hours washout period between Periods 1 to 3 and 28 days between Period 3 and 4 and Period 4 and 5.
Part D: Evobrutinib: Treatment Sequence 1EXPERIMENTALParticipants will receive single oral dose of MR-T adapted on Day 1 of treatment period 1, followed by two single oral doses of Ref (TF2) on Day 1 in treatment period 2, followed by 1 sequential period 3. There will be 72 hours washout period between Periods 1 and 2 and 28 days between Period 2 and 3.
Part D: Evobrutinib: Treatment Sequence 2EXPERIMENTALParticipants will receive two single oral doses of Ref (TF2) on Day 1 of treatment period 1, followed by single oral dose of MR-T adapted on Day 1 in treatment period 2, followed by 1 sequential period 3. There will be 72 hours washout period between Periods 1 and 2 and 28 days between Period 2 and 3.

Interventions

NameTypeDescription
Ref (TF2)DRUGParticipants will receive 2 single oral doses of Ref (TF2) on Day 1 in treatment period 1, 2, or 3 of Part A, B, C and D.
Evobrutinib MR-T1DRUGParticipants will receive single oral dose of MR-T1 on Day 1 in treatment period 1, 2, and 3 of Part A.
Evobrutinib MR-T2DRUGParticipants will receive single oral dose of MR-T2 on Day 1 in treatment period 1, 2, and 3 of Part A.
Evobrutinib MR-T3DRUGParticipants will receive single oral dose of MR-T3 on Day 1 in treatment period 1, 2, and 3 of Part A.
Evobrutinib MR-T4DRUGParticipants will receive single oral dose of MR-T4 on Day 1 in treatment period 1, 2, and 3 of Part A.
Evobrutinib MUPS-C1DRUGParticipants will receive single oral dose of MUPS-C1 on Day 1 in treatment period 1, 2, and 3 of Part B.
Evobrutinib MUPS-C2DRUGParticipants will receive single oral dose of MUPS-C2 on Day 1 in treatment period 1, 2, and 3 of Part B.
Evobrutinib MUPS-C3DRUGParticipants will receive single oral dose of MUPS-C3 on Day 1 in treatment period 1, 2, and 3 of Part C.
Evobrutinib MUPS-C4DRUGParticipants will receive single oral dose of MUPS-C4 on Day 1 in treatment period 1, 2, and 3 of Part C.
Evobrutinib MR-T adapatedDRUGParticipants will receive single oral dose of MR-T adapted on Day 1 in treatment period 1, 2, and 3 of Part D.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Participants are overtly healthy as determined by medical evaluation, including comprehensive clinical assessment (detailed medical history and a complete physical examination), ECG, and laboratory investigations (hematology and biochemistry) * Participants have a body weight ...

Countries:United Kingdom
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Frequently asked questions about Ref

What is Ref?

Ref is an investigational small molecule developed by Merck KGaA. It is in Phase 1 clinical development, and the specific disease or condition it is intended to treat has not been disclosed. It is also known as Ref (TF2).

Who is developing Ref?

Ref is being developed by Merck KGaA, which trades under the ticker MKGAF. The company is responsible for the clinical program evaluating Ref.

What phase is Ref in?

Ref is in Phase 1 clinical development. It is an investigational agent and has not been approved by the FDA or any other regulatory authority. One Phase 1 trial has been completed.

What clinical trials is Ref in?

Ref has been evaluated in one completed Phase 1 trial, NCT05245396, titled "Study Comparing Pharmacokinetics of Different Formulations of Evobrutinib in Healthy Participants." The trial enrolled 58 healthy volunteers in the United Kingdom and was randomized and controlled.

Is Ref the same as Ref (TF2)?

Yes, Ref is also known as Ref (TF2). Both names refer to the same investigational small molecule being developed by Merck KGaA.