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Angiotensin II

Phase 2

Catecholamine-resistant Hypotension (CRH) | Small molecule | Infectious Disease |Innoviva, Inc.|Last Updated: Mar 20, 2026

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment2

FDA Designations

No designations recorded

Clinical trial landscape

Angiotensin II · 2 trials · 6 indications

Phase 2 2
NCT04901169Angiotensin II in Liver TransplantationLiver Transplant; Complications
ACTIVE NOT_RECRUITING50 Analytics
NCT03431077A Study of LJPC-501 in Pediatric Patients With HypotensionCatecholamine-resistant Hypotension (CRH)
COMPLETED2 Analytics
PHASE2ACTIVE NOT_RECRUITING
Angiotensin II in Liver Transplantation
Liver Transplant; ComplicationsUnlock trial analytics
PHASE2COMPLETED
A Study of LJPC-501 in Pediatric Patients With Hypotension
Catecholamine-resistant Hypotension (CRH)Unlock trial analytics

Study Endpoints

Primary Endpoints

Total dose of norepinephrine (NE), averaged over case duration and total body weight, utilized during liver transplantation (LT) to maintain mean arterial pressure (MAP) greater than or equal to 65 mmHg.
Duration of surgery - defined as the time period starting with skin incision by the surgeon, and ending at the time of skin closure, an average of 8 hours.

Calculated as the sum of all NE doses (in mcg) administered by either infusion or bolus during LT surgery, divided by the subjects total body weight (TBW, in kg), divided by the duration of surgery (in min). The Primary Outcome will be expressed in mcg/kg/min.

Effect of LJPC-501 on mean arterial pressure (MAP)
2 hours

To evaluate the effect of LJPC-501 infusion on mean arterial pressure (MAP).

Effect of LJPC-501 on sum norepinephrine (NE) equivalent dose
2 hours

To evaluate the effect of LJPC-501 in the reduction of the sum norepinephrine (NE) equivalent dosing.

Secondary Endpoints

Proportion of patients requiring 3rd and 4th line vasopressor infusions (epinephrine or vasopressin) during LT
Duration of surgery - defined as the time period starting with skin incision by the surgeon, and ending at the time of skin closure, an average of 8 hours.
Time spent below target MAP (65 mmHg)
Duration of surgery - defined as the time period starting with skin incision by the surgeon, and ending at the time of skin closure, an average of 8 hours.
Dose of vasopressin administered during LT, averaged over case duration and TBW.
Duration of surgery - defined as the time period starting with skin incision by the surgeon, and ending at the time of skin closure, an average of 8 hours.
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Angiotensin II (Giapreza)EXPERIMENTALGiapreza (synthetic human angiotensin II), initiated at 5 ng/kg/min and titrated to between 1.25 ng/kg/min and 40 ng/kg/min, administered by continuous intravenous infusion.
SalinePLACEBO_COMPARATORSterile 0.9% saline, initiated and titrated at an equivalent volume infusion rate to the study drug, administered by continuous intravenous infusion.
LJPC-501EXPERIMENTALAngiotensin II administered via continuous infusion (1.25 - 40 ng/kg/min) for 24 hours up to 168 hours.

Interventions

NameTypeDescription
Angiotensin IIDRUGInfusion of Angiotensin II initiated if participants require norepinephrine at a rate of \> 0.05 mcg/kg/min. The infusion will be titrated no more frequently than every 10 minutes during liver transplantation as a second line vasopressor and discontinued prior to leaving the operating room when the surgery is complete.
SalineDRUGInfusion of 0.9% saline initiated if participants require norepinephrine at a rate of \> 0.05 mcg/kg/min. The infusion will be titrated no more frequently than every 10 minutes during liver transplantation as a second line vasopressor and discontinued prior to leaving the operating room when the surgery is complete.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Age \> or = 18 years * Liver transplantation from a deceased donor * Model for End-stage Liver Disease Sodium (MELD-Na) score \> or = 25 at the time of transplant (not counting MELD exception points) * Patient requiring \> 0.05 mcg/kg/min of norepinephrine (NE) during LT Excl...

Countries:United States
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Frequently asked questions about Angiotensin II

What is Angiotensin II used for?

Angiotensin II is an investigational small molecule being studied for catecholamine-resistant hypotension (CRH) and complications in liver transplant, including vasoplegia. It is in Phase 2 clinical development and is not approved by the FDA.

What does Angiotensin II target?

Angiotensin II is a synthetic form of the naturally occurring hormone angiotensin II, which acts on angiotensin receptors to cause vasoconstriction and raise blood pressure. It is being studied to treat hypotension that does not respond to catecholamines.

Who makes Angiotensin II?

Angiotensin II is being developed by Innoviva, Inc., a biopharmaceutical company traded on NASDAQ under the ticker INVA.

What phase is Angiotensin II in?

Angiotensin II is in Phase 2 clinical development. It is being studied in two trials: one completed trial in pediatric patients with catecholamine-resistant hypotension and one active trial in liver transplant patients with vasoplegia.

What clinical trials is Angiotensin II in?

Angiotensin II is being studied in two Phase 2 trials. NCT03431077, a completed study in pediatric patients with catecholamine-resistant hypotension, and NCT04901169, an active trial in liver transplant patients with vasoplegia. The active trial has an enrollment of 50 participants.

Is Angiotensin II the same as LJPC-501?

Yes, Angiotensin II is also known as LJPC-501. The completed pediatric trial NCT03431077 refers to the drug as LJPC-501, while the liver transplant trial uses the name Angiotensin II.