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A Study to Evaluate RMC-035 in Subjects Undergoing Cardiac Surgery

A Phase 1b, Randomised, Double-Blind, Parallel Treatment Group Clinical Study to Evaluate the Safety, Tolerability and Pharmacokinetics of RMC-035 in Subjects Undergoing Non-Emergent On-Pump Coronary Artery Bypass Graft and/or Valve Surgery

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04829916
Enrollment
13
Registered
2021-04-02
Start date
2021-03-16
Completion date
2021-07-15
Last updated
2024-04-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Kidney Injury (AKI)

Keywords

AKI

Brief summary

The purpose of the clinical study is to assess safety, tolerability and pharmacokinetics of RMC-035 for the prevention and treatment of acute kidney injury (AKI) in patients undergoing cardiac surgery.

Detailed description

This is a study with two parallel treatment groups where subjects are randomized to receive RMC-035 or a matching placebo in a double-blind fashion. The study will comprise of a screening visit, followed by CABG and/or valve replacement on Day 1, double-blind treatment period and a follow-up period up to Day 30.

Interventions

Multiple dosing during 48 hours following cardiac surgery

DRUGPlacebo

Multiple dosing during 48 hours following cardiac surgery

Sponsors

Guard Therapeutics AB
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Female and male subjects with an age ≥18 years * Subject is scheduled for non-emergent (elective) CABG and/or valve surgery (single or multiple valves) with use of cardiopulmonary bypass (CPB) * Subject has at least ONE of the following risk factors for AKI at screening: * History of LVEF \<35% for at least 3 months prior to screening assessed by either echocardiography, cardiac MRI or nuclear scan. * History of previous open chest cavity cardiac surgery with or without CPB * Confirmed diagnosis of type 2 diabetes (T2DM) at least 3 months prior to screening AND ongoing treatment with an approved anti-diabetic drug * Age ≥70 years * Documented history of heart failure NYHA class II or higher for at least 3 months or longer at screening * Documented history of previous AKI before date of screening independent of the etiology of AKI * Documented history of anemia with hemoglobin ≤ 11 g/dL (≤6.8 mmol/L) for at least 3 months prior to screening * Documented history of albuminuria, defined as UACR \>30 mg/g or \> 30 mg/24 hour in a 24-hour urine collection. * eGFR is ≤ 60 mL/min/1.73 m2 using the Chronic Kidney Disease - Epidemiology Collaboration (CKD-EPI) equation Key

Exclusion criteria

* Estimated glomerular filtration rate (eGFR) is \<30 mL/min/1.73 m2 using the Chronic Kidney Disease - Epidemiology Collaboration (CKD-EPI) equation at screening or at baseline * Subject has surgery scheduled to be performed without CPB (off-pump) * Subject has surgery scheduled for aortic dissection * Subject is scheduled for CABG and/or valve surgery combined with additional non-emergent cardiac surgeries, e.g. for atrial fibrillation ablation * Subject is scheduled to undergo trans catheter aortic valve implantation (TAVI) or trans catheter aortic valve replacement (TAVR), or single vessel off-pump surgeries or left ventricular device (LVAD) implantation * Subject has a requirement for any of the following within one week prior to surgery: defibrillator or permanent pacemaker, mechanical ventilation, IABP, LVAD, other forms of mechanical circulatory support (MCS) (Note: The prophylactic insertion of an IABP preoperatively for reasons not related to existing LV pump function is not exclusionary)

Design outcomes

Primary

MeasureTime frameDescription
Frequency of Adverse Events (AEs)Baseline through day 30* number (%) of subjects with at least one AE * number (%) of subjects with at least one SAE * number (%) of subjects with at least one Treatment-Emergent AE (TEAE) * number (%) of subjects with at least one serious TEAE * number (%) of subjects with at least one non-serious TEAE * number (%) of subjects with at least one TEAE of special interest * number (%) of subjects with at least one TEAEs reported as related (possible/probable) to IMP * number (%) of subjects with at least one TEAEs leading to withdrawal of IMP
Severity of AEsWithin 4 days from first dose of IMP\- Number of TEAEs per category (mild, moderate, severe life-threatening, death)

Secondary

MeasureTime frameDescription
Maximum Observed Concentration (Cmax)Blood samples taken from pre-dose and up to two hours after start of Dose 5Analysis of RMC-035 concentration in plasma (AUC + t1/2) after fourth infusion.
Area Under the Curve (AUC) 0-24hBlood samples taken from pre-dose and up to two hours after start of Dose 5Analysis of RMC-035 concentrations in plasma following the fourth infusion.
Elimination Half-life (T1/2)Blood samples taken from pre-dose and up to two hours after start of Dose 5Analysis of RMC-035 concentration in plasma following the fourth infusion

Countries

Germany

Participant flow

Pre-assignment details

In this study, 13 subjects were enrolled, ie agreed to participate in the study following completion of the informed consent process. However, 1 subject did not fulfill all eligibility criteria and was not randomization. Hence, 12 subjects started the study, ie were assigned to one of the treatment arms.

Participants by arm

ArmCount
RMC-035
Participants received RMC-035 intravenously RMC-035: Multiple dosing during 48 hours following cardiac surgery
8
Placebo
Participants received matching placebo solution intravenously Placebo: Multiple dosing during 48 hours following cardiac surgery
4
Total12

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyWithdrawal by Subject10

Baseline characteristics

CharacteristicTotalRMC-035Placebo
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
9 Participants7 Participants2 Participants
Age, Categorical
Between 18 and 65 years
3 Participants1 Participants2 Participants
Age, Continuous73.3 years
STANDARD_DEVIATION 10.3
74.6 years
STANDARD_DEVIATION 8.7
70.4 years
STANDARD_DEVIATION 14.1
BMI27.69 kg/m^2
STANDARD_DEVIATION 3.4
29.04 kg/m^2
STANDARD_DEVIATION 3.42
24.99 kg/m^2
STANDARD_DEVIATION 0.71
eGFR60.4 mL/min/1.73m^2
STANDARD_DEVIATION 17.8
52.6 mL/min/1.73m^2
STANDARD_DEVIATION 16.5
76.0 mL/min/1.73m^2
STANDARD_DEVIATION 6.3
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants0 Participants0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
11 Participants8 Participants3 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants0 Participants1 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants0 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
12 Participants8 Participants4 Participants
Region of Enrollment
Germany
12 participants8 participants4 participants
Sex: Female, Male
Female
2 Participants2 Participants0 Participants
Sex: Female, Male
Male
10 Participants6 Participants4 Participants
Weight86.08 kilogram
STANDARD_DEVIATION 13.11
89.75 kilogram
STANDARD_DEVIATION 14.84
78.75 kilogram
STANDARD_DEVIATION 2.99

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
1 / 80 / 4
other
Total, other adverse events
6 / 81 / 4
serious
Total, serious adverse events
3 / 81 / 4

Outcome results

Primary

Frequency of Adverse Events (AEs)

* number (%) of subjects with at least one AE * number (%) of subjects with at least one SAE * number (%) of subjects with at least one Treatment-Emergent AE (TEAE) * number (%) of subjects with at least one serious TEAE * number (%) of subjects with at least one non-serious TEAE * number (%) of subjects with at least one TEAE of special interest * number (%) of subjects with at least one TEAEs reported as related (possible/probable) to IMP * number (%) of subjects with at least one TEAEs leading to withdrawal of IMP

Time frame: Baseline through day 30

Population: All subject who received any dose of study drug.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
RMC-035Frequency of Adverse Events (AEs)Subject with at least one AE6 Participants
RMC-035Frequency of Adverse Events (AEs)Subject with at least one SAE3 Participants
RMC-035Frequency of Adverse Events (AEs)Subjects with at least one TEAE5 Participants
RMC-035Frequency of Adverse Events (AEs)Subjects with at least one non-serious TEAE5 Participants
RMC-035Frequency of Adverse Events (AEs)Subjects with at least one serious TEAE2 Participants
RMC-035Frequency of Adverse Events (AEs)Subjects with at least one TEAE of special interest0 Participants
RMC-035Frequency of Adverse Events (AEs)Subjects with at least one TEAE reported as related (possible/probable)0 Participants
RMC-035Frequency of Adverse Events (AEs)Subjects with at least one TEAE leading to withdrawal of IMP0 Participants
PlaceboFrequency of Adverse Events (AEs)Subjects with at least one TEAE leading to withdrawal of IMP0 Participants
PlaceboFrequency of Adverse Events (AEs)Subject with at least one AE1 Participants
PlaceboFrequency of Adverse Events (AEs)Subjects with at least one serious TEAE1 Participants
PlaceboFrequency of Adverse Events (AEs)Subject with at least one SAE1 Participants
PlaceboFrequency of Adverse Events (AEs)Subjects with at least one TEAE reported as related (possible/probable)0 Participants
PlaceboFrequency of Adverse Events (AEs)Subjects with at least one TEAE1 Participants
PlaceboFrequency of Adverse Events (AEs)Subjects with at least one TEAE of special interest0 Participants
PlaceboFrequency of Adverse Events (AEs)Subjects with at least one non-serious TEAE1 Participants
Primary

Severity of AEs

\- Number of TEAEs per category (mild, moderate, severe life-threatening, death)

Time frame: Within 4 days from first dose of IMP

Population: Number of TEAEs occurring in 5 subjects on RMC-035 (N=8) and the # of TEAEs occurring in 1 subjects on placebo (N=4)

ArmMeasureGroupValue (NUMBER)
RMC-035Severity of AEsModerate5 TEAEs
RMC-035Severity of AEsLife-threatening1 TEAEs
RMC-035Severity of AEsSevere3 TEAEs
RMC-035Severity of AEsDeath1 TEAEs
RMC-035Severity of AEsMild3 TEAEs
PlaceboSeverity of AEsDeath0 TEAEs
PlaceboSeverity of AEsMild1 TEAEs
PlaceboSeverity of AEsModerate2 TEAEs
PlaceboSeverity of AEsSevere2 TEAEs
PlaceboSeverity of AEsLife-threatening0 TEAEs
Secondary

Area Under the Curve (AUC) 0-24h

Analysis of RMC-035 concentrations in plasma following the fourth infusion.

Time frame: Blood samples taken from pre-dose and up to two hours after start of Dose 5

Population: All subjects receiving RMC-035

ArmMeasureValue (MEAN)Dispersion
RMC-035Area Under the Curve (AUC) 0-24h38.3 hours * microgram / milliliterStandard Deviation 37.7
Secondary

Elimination Half-life (T1/2)

Analysis of RMC-035 concentration in plasma following the fourth infusion

Time frame: Blood samples taken from pre-dose and up to two hours after start of Dose 5

Population: All subjects receiving any RMC-035

ArmMeasureValue (MEAN)Dispersion
RMC-035Elimination Half-life (T1/2)4.5 hoursStandard Deviation 1.6
Secondary

Maximum Observed Concentration (Cmax)

Analysis of RMC-035 concentration in plasma (AUC + t1/2) after fourth infusion.

Time frame: Blood samples taken from pre-dose and up to two hours after start of Dose 5

Population: All subjects receiving any study drug.

ArmMeasureValue (MEAN)Dispersion
RMC-035Maximum Observed Concentration (Cmax)12.3 mikrogram / milliliterStandard Deviation 4.4

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026