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M5049

Phase 2

Coronavirus Disease 2019 | Small molecule | Infectious Disease |Merck & Company, Inc.|Last Updated: Jun 6, 2022

Target and mechanism

ModalitySmall molecule

Also known as M5049 low dose

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment149

FDA Designations

No designations recorded

Clinical trial landscape

M5049 · 2 trials · 2 indications

Phase 2 1Phase 1 1
NCT04448756Study of M5049 in Participants With COVID-19 Pneumonia (ANEMONE)Coronavirus Disease 2019
COMPLETED149 Analytics
PHASE2COMPLETED
Study of M5049 in Participants With COVID-19 Pneumonia (ANEMONE)
Coronavirus Disease 2019Unlock trial analytics

Study Endpoints

Primary Endpoints

Time to Recovery
Day 1 through Day 28

Time to recovery was defined as the time from first dose (Day 1) to first occurrence of World Health Organization (WHO) 9-point ordinal scale 3 or less. The scoring is assessed with the following ordinal scale: 0. Uninfected: no clinical or virological evidence of infection; 1. Ambulatory: no limitation of activities; 2. Ambulatory: limitation of activities; 3. Hospitalized, mild disease: hospitalized, no oxygen therapy; 4. Hospitalized, mild disease: oxygen by mask or nasal prongs; 5. Hospitalized, severe disease: noninvasive ventilation or high-flow oxygen; 6. Hospitalized, severe disease: intubation and mechanical ventilation; 7. Hospitalized, severe disease: ventilation plus additional organ support for example: vasopressors or Extracorporeal membrane oxygenation (ECMO); 8. Death.

Number of Participants With Treatment-Emergent Adverse Events (TEAEs), Adverse Events of Special Interests (AESIs), TEAEs Leading to Treatment Discontinuation and Serious TEAEs (SAEs) According to NCI-CTCAE Version 5.0
Day 1 through Day 60

Adverse Event (AE) was defined any untoward medical occurrence in a participant administered with a study drug, which does not necessarily had a causal relationship with this treatment. Serious AE was defined AE that resulted in any of the following outcomes: death; life threatening; persistent/significant disability/incapacity; initial/prolonged inpatient hospitalization; congenital anomaly/birth defect. TEAEs: TEAEs was defined as events with onset date or worsening during the on treatment period. TEAEs included serious TEAEs and non-serious TEAEs.

Number of Participants With Clinically Significant Changes From Baseline in Laboratory Parameters
Day 1 through Day 28

Laboratory investigation included hematology and biochemistry. The number of participants with clinically significant changes from baseline in laboratory parameters were reported. Clinical significance was determined by the investigator.

Number of Participants With Clinically Significant Changes From Baseline in 12-Lead Electrocardiogram (ECG) Measurements
Day 1 through Day 28

12-lead ECG recordings included rhythm, heart rate (as measured by RR interval), PR interval, QRS duration, and QT interval. 12-lead ECG recordings were obtained after the participants have rested for at least 10 minutes in semisupine position. Clinical significance was determined by the investigator. The number of participants with clinically significant changes from baseline in 12-lead ECG findings were reported.

Area Under the Plasma Concentration-Time Curve From Time Zero to the Last Sampling Time (tlast) (AUC0-tlast) of M5049
Pre-dose, 0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 3, 4, 6, 8, 12, 24, 36 and 48 hours post-dose
Area Under Plasma Concentration-Time Curve from Time Zero Extrapolated to Infinity (AUC0-inf) of M5049
Pre-dose, 0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 3, 4, 6, 8, 12, 24, 36 and 48 hours post-dose
Maximum Observed Plasma Concentration (Cmax) of M5049
Pre-dose, 0.25, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 3, 4, 6, 8, 12, 24, 36 and 48 hours post-dose
Number of Participants with Treatment-Emergent Adverse Events (TEAEs), Serious TEAEs and TEAEs Leading to Death
Baseline up to Day 8
Number of Participants with Clinically Significant Changes from Baseline in Vital Signs
Baseline up to Day 3
Number of Participants with Clinically Significant Changes from Baseline in 12-lead Electrocardiogram (ECGs) Findings
Baseline up to Day 3

Secondary Endpoints

Percentage of Participants Alive and Not Requiring Supplemental Oxygenation
Day 3, Day 7, Day 14, Day 21 and Day 28
Number of Participants in Each Clinical Status Category Based on 9-Point Ordinal Scale
Baseline, Day 2, Day 3, Day 4, Day 5, Day 7, Day 10, Day 14, Day 21, Day 28, Day 44, Day 60
Time to Reach Peripheral Capillary Oxygen Saturation (SpO2) Greater Than or Equal to 94 Percent for at Least 24 Hours in Room Air
Day 1 through Day 28
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
M5049 50 mgEXPERIMENTAL -
M5049 100 mgEXPERIMENTAL -
PlaceboPLACEBO_COMPARATOR -
Japanese: M5049 Dose A (low dose)EXPERIMENTAL -
Japanese: M5049 Dose B (medium dose)EXPERIMENTAL -
Japanese: M5049 Dose C (high dose)EXPERIMENTAL -
Caucasian: M5049 Dose A (low dose)EXPERIMENTAL -
Caucasian: M5049 Dose B (medium dose)EXPERIMENTAL -
Caucasian: M5049 Dose C (high dose)EXPERIMENTAL -

Interventions

NameTypeDescription
M5049DRUGParticipants received M5049 50 milligram (mg) orally twice daily for 14 days.
PlaceboDRUGParticipants received placebo tablets matched to M5049 daily for 14 days.
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Eligibility Criteria

Age Range18 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites21

Inclusion Criteria: * Participant provides signed informed consent prior to the initiation of any study assessments * Has laboratory-confirmed SARS-CoV-2 Infection as determined by nucleic acid amplification test, polymerase chain reaction, antigen test or other commercial or public health assay (b...

Countries:United StatesBrazilPhilippinesUnited Kingdom
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Frequently asked questions about M5049

What is M5049 used for?

M5049 is an investigational small molecule being studied for Systemic Lupus Erythematosus, Coronavirus Disease 2019, and in healthy volunteers. It is developed by Merck & Company, Inc. (MRK) and is currently in Phase 2 clinical development. The drug is not approved and remains under investigation.

What does M5049 target?

M5049 is a small molecule therapeutic developed by Merck & Company, Inc. (MRK). Its specific molecular target has not been disclosed in available clinical trial information. The drug is being evaluated in Phase 2 trials for Systemic Lupus Erythematosus and COVID-19 pneumonia.

Who makes M5049?

M5049 is developed by Merck & Company, Inc., a pharmaceutical company traded on the New York Stock Exchange under the ticker MRK. The company is conducting clinical trials of M5049 in multiple countries, including the United States, for conditions such as Systemic Lupus Erythematosus and COVID-19.

What phase is M5049 in?

M5049 is in Phase 2 clinical development. It has completed a Phase 2 trial in COVID-19 pneumonia and a Phase 1 trial in healthy volunteers. An additional Phase 2 long-term extension study in Systemic Lupus Erythematosus is active but not recruiting participants.

What clinical trials is M5049 in?

M5049 has been studied in three clinical trials. NCT04448756 was a Phase 2 study in COVID-19 pneumonia. NCT04880213 was a Phase 1 study in healthy Japanese and Caucasian participants. NCT05540327 is an active Phase 2 long-term extension study in Systemic Lupus Erythematosus, with 379 participants enrolled.

Is M5049 the same as M5049 low dose?

M5049 is also known as M5049 low dose. The drug is being investigated by Merck & Company, Inc. (MRK) for Systemic Lupus Erythematosus and other conditions. Clinical trials reference the drug under the name M5049, and the low dose formulation is part of its development program.