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Opemalirsen

Phase 1

Renal Impairment | RNA therapy | Nephrology |AstraZeneca PLC|Trials Updated: Jun 26, 2026

Opemalirsen target and mechanism

Target class-Sen (Aso)
ModalityRNA therapy

Also known as Opemalirsen (AZD2373)

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment35

FDA Designations

No designations recorded

Opemalirsen clinical trials

Opemalirsen · 1 trial · 1 indication

Phase 1 1
NCT07154901Investigation of the Effects of Renal Impairment on the Pharmacokinetics, Safety, and Tolerability of Opemalirsen (AZD2373)Renal Impairment
COMPLETED35 Analytics
PHASE1COMPLETED
Investigation of the Effects of Renal Impairment on the Pharmacokinetics, Safety, and Tolerability of Opemalirsen (AZD2373)
Renal ImpairmentUnlock trial analytics

Study Endpoints

Primary Endpoints

AUCinf
Pre-dose to 3 weeks post dose

Area under the concentration-time curve from zero to infinity

AUClast
Pre-dose to 3 weeks post-dose

Area under the concentration-time curve from zero to the last measurable concentration

Cmax
Pre-dose to 3 weeks post-dose

Maximum observed plasma concentration

Secondary Endpoints

Tmax
Pre-dose to 3 weeks post-dose
t1/2λz
Pre-dose to 3 weeks post-dose
CL/F
Pre-dose to 3 weeks post-dose
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeOTHER

Treatment Arms

ArmTypeDescription
Group 1EXPERIMENTALHealthy participants will receive a single subcutaneous injection of AZD2373.
Group 2EXPERIMENTALSevere renal impairment participants will receive a single subcutaneous injection of AZD2373.
Group 3EXPERIMENTALModerate renal impairment participants will receive a single subcutaneous injection of AZD2373
Group 4EXPERIMENTALMild renal impairment participants will receive a single subcutaneous injection of AZD2373

Interventions

NameTypeDescription
Opemalirsen (AZD2373)DRUGSingle, subcutaneous injection of AZD2373
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Eligibility Criteria

Age Range18 Years to 80 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: * Participants are eligible to be included in the study only if all of the following criteria apply: Age 1. Participant must be 18 to 80 years of age, inclusive, at the time of signing the informed consent. Type of Participant and Disease Characteristics For all participants, ...

Countries:United States
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Recent Changes (Last 90 Days)

MEDIUMJul 27, 2026NCT07154901TRIAL_REMOVED: changed
MEDIUMJul 27, 2026NCT07154901TRIAL_REMOVED: changed
MEDIUMJul 27, 2026NCT07154901TRIAL_REMOVED: changed
MEDIUMJul 27, 2026NCT07154901TRIAL_REMOVED: changed

Frequently asked questions about Opemalirsen

What is Opemalirsen?

Opemalirsen is an investigational RNA therapy developed by AstraZeneca PLC for renal impairment. It is an antisense oligonucleotide, a class of RNA therapy, and has been studied in a Phase 1 clinical trial. It is not approved for any indication and remains in clinical development.

What is Opemalirsen used for in renal impairment?

Opemalirsen is being studied in renal impairment, the condition in which kidney function is reduced. The single completed Phase 1 trial evaluated how renal impairment affects the pharmacokinetics, safety, and tolerability of Opemalirsen. It is investigational and has not been approved for treating renal impairment or any other condition.

Who makes Opemalirsen?

Opemalirsen is developed by AstraZeneca PLC, which trades under the ticker AZN. AstraZeneca is the sponsor of the Phase 1 trial studying the drug in renal impairment.

What phase is Opemalirsen in?

Opemalirsen is in Phase 1 clinical development. One Phase 1 trial has been completed, and no trials are currently active. The drug is investigational and has not received FDA approval for any indication.

What clinical trials is Opemalirsen in?

Opemalirsen has been studied in one completed Phase 1 trial, NCT07154901, titled Investigation of the Effects of Renal Impairment on the Pharmacokinetics, Safety, and Tolerability of Opemalirsen (AZD2373). The trial enrolled 35 participants in the United States, included healthy volunteers, and used a controlled design without randomization or double blinding.

Is Opemalirsen the same as AZD2373?

Yes, Opemalirsen is also known as AZD2373. Both names refer to the same investigational RNA therapy from AstraZeneca PLC, and the Phase 1 renal impairment trial is listed under the AZD2373 designation.