Trial Outcomes & Findings for A Study to Assess the Safety, Tolerability and Efficacy of IONIS-AGT-LRx, an Antisense Inhibitor Administered Subcutaneously to Hypertensive Participants With Controlled Blood Pressure (NCT NCT03714776)

NCT ID: NCT03714776

Last Updated: 2023-01-06

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

25 participants

Primary outcome timeframe

Baseline, Week 7

Results posted on

2023-01-06

Participant Flow

Participants took part in the study at 5 investigative sites in the United States from 03 January 2019 to 13 November 2019.

A total of 77 participants were screened of which 25 were enrolled and randomized to receive study drug.

Participant milestones

Participant milestones
Measure
Placebo
Placebo matching solution injected subcutaneously (SC) once weekly for up to 6 weeks and an additional loading dose on Day 3.
ISIS 757456 80 mg
ISIS 757456 80 mg injected SC once weekly for up to 6 weeks and an additional loading dose of 80 mg on Day 3.
Overall Study
STARTED
8
17
Overall Study
Safety Set
8
17
Overall Study
Full Analysis Set (FAS)
8
17
Overall Study
Per Protocol Set (PPS)
6
15
Overall Study
COMPLETED
8
17
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

PPS: All FAS(all randomized participants who received at least 1 injection of study drug and who had at least 1 post-Baseline efficacy or exploratory measurements) participants who received at least 5 of the 7 doses of study drug, did not receive antihypertensive medications during Treatment Period and prior to Day 43, and had no significant protocol deviations that would have been expected to affect efficacy or exploratory assessments.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Placebo
n=8 Participants
Placebo matching solution injected SC once weekly for up to 6 weeks and an additional loading dose on Day 3.
ISIS 757456 80 mg
n=17 Participants
ISIS 757456 80 mg injected SC once weekly for up to 6 weeks and an additional loading dose of 80 mg on Day 3.
Total
n=25 Participants
Total of all reporting groups
Age, Continuous
57 years
STANDARD_DEVIATION 4 • n=8 Participants
60 years
STANDARD_DEVIATION 7 • n=17 Participants
59 years
STANDARD_DEVIATION 7 • n=25 Participants
Sex: Female, Male
Female
6 Participants
n=8 Participants
7 Participants
n=17 Participants
13 Participants
n=25 Participants
Sex: Female, Male
Male
2 Participants
n=8 Participants
10 Participants
n=17 Participants
12 Participants
n=25 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=8 Participants
8 Participants
n=17 Participants
10 Participants
n=25 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
6 Participants
n=8 Participants
9 Participants
n=17 Participants
15 Participants
n=25 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=8 Participants
0 Participants
n=17 Participants
0 Participants
n=25 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=8 Participants
0 Participants
n=17 Participants
0 Participants
n=25 Participants
Race (NIH/OMB)
Asian
0 Participants
n=8 Participants
1 Participants
n=17 Participants
1 Participants
n=25 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=8 Participants
0 Participants
n=17 Participants
0 Participants
n=25 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=8 Participants
5 Participants
n=17 Participants
7 Participants
n=25 Participants
Race (NIH/OMB)
White
5 Participants
n=8 Participants
10 Participants
n=17 Participants
15 Participants
n=25 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=8 Participants
1 Participants
n=17 Participants
2 Participants
n=25 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=8 Participants
0 Participants
n=17 Participants
0 Participants
n=25 Participants
Plasma Angiotensinogen (AGT) Concentration
19.5 micrograms per milliliter (μg/mL)
n=6 Participants • PPS: All FAS(all randomized participants who received at least 1 injection of study drug and who had at least 1 post-Baseline efficacy or exploratory measurements) participants who received at least 5 of the 7 doses of study drug, did not receive antihypertensive medications during Treatment Period and prior to Day 43, and had no significant protocol deviations that would have been expected to affect efficacy or exploratory assessments.
20.3 micrograms per milliliter (μg/mL)
n=15 Participants • PPS: All FAS(all randomized participants who received at least 1 injection of study drug and who had at least 1 post-Baseline efficacy or exploratory measurements) participants who received at least 5 of the 7 doses of study drug, did not receive antihypertensive medications during Treatment Period and prior to Day 43, and had no significant protocol deviations that would have been expected to affect efficacy or exploratory assessments.
19.9 micrograms per milliliter (μg/mL)
n=21 Participants • PPS: All FAS(all randomized participants who received at least 1 injection of study drug and who had at least 1 post-Baseline efficacy or exploratory measurements) participants who received at least 5 of the 7 doses of study drug, did not receive antihypertensive medications during Treatment Period and prior to Day 43, and had no significant protocol deviations that would have been expected to affect efficacy or exploratory assessments.
In-clinic Systolic Blood Pressure (SBP)
148 millimeters of mercury (mmHg)
n=6 Participants • PPS: All FAS (all randomized participants who received at least 1 injection of study drug and who had at least 1 post-Baseline efficacy or exploratory measurements) participants who received at least 5 of the 7 doses of study drug, did not receive antihypertensive medications during Treatment Period and prior to Day 43, and had no significant protocol deviations that would have been expected to affect efficacy or exploratory assessments.
145 millimeters of mercury (mmHg)
n=15 Participants • PPS: All FAS (all randomized participants who received at least 1 injection of study drug and who had at least 1 post-Baseline efficacy or exploratory measurements) participants who received at least 5 of the 7 doses of study drug, did not receive antihypertensive medications during Treatment Period and prior to Day 43, and had no significant protocol deviations that would have been expected to affect efficacy or exploratory assessments.
145.9 millimeters of mercury (mmHg)
n=21 Participants • PPS: All FAS (all randomized participants who received at least 1 injection of study drug and who had at least 1 post-Baseline efficacy or exploratory measurements) participants who received at least 5 of the 7 doses of study drug, did not receive antihypertensive medications during Treatment Period and prior to Day 43, and had no significant protocol deviations that would have been expected to affect efficacy or exploratory assessments.

PRIMARY outcome

Timeframe: Baseline, Week 7

Population: PPS included all FAS participants (all randomized participants who received at least 1 injection of study drug and who had at least 1 post-Baseline efficacy or exploratory measurements) who received at least 5 of the 7 doses of the study drug, did not receive antihypertensive medications during the Treatment Period and prior to Day 43, and had no significant protocol deviations that would have been expected to affect efficacy or exploratory assessments.

Outcome measures

Outcome measures
Measure
Placebo
n=6 Participants
Placebo matching solution injected SC once weekly for up to 6 weeks and an additional loading dose on Day 3.
ISIS 757456 80 mg
n=15 Participants
ISIS 757456 80 mg injected SC once weekly for up to 6 weeks and an additional loading dose of 80 mg on Day 3.
Percent Change From Baseline in Plasma Angiotensinogen (AGT) at Day 43 (Week 7) Compared to Placebo
12.6 percent change
Standard Deviation 23.3
-54.2 percent change
Standard Deviation 24.8

SECONDARY outcome

Timeframe: Baseline, Days 3, 8, 15, 22, 29, and 36

Population: PPS=all FAS participants(all randomized participants who received at least 1 injection of study drug and had at least 1 post-Baseline efficacy or exploratory measurements)who received at least 5 of 7 doses of study drug, did not receive antihypertensive medications during Treatment Period prior to Day 43, had no significant protocol deviations that would have been expected to affect efficacy assessments. Number analyzed=number of participants with data available for analysis at given time point.

Outcome measures

Outcome measures
Measure
Placebo
n=6 Participants
Placebo matching solution injected SC once weekly for up to 6 weeks and an additional loading dose on Day 3.
ISIS 757456 80 mg
n=15 Participants
ISIS 757456 80 mg injected SC once weekly for up to 6 weeks and an additional loading dose of 80 mg on Day 3.
Change From Baseline in the In-clinic Systolic Blood Pressure (SBP) at Days 3, 8, 15, 22, 29, and 36
Change From Baseline at Day 3
-10 mmHg
Standard Deviation 4
-7 mmHg
Standard Deviation 10
Change From Baseline in the In-clinic Systolic Blood Pressure (SBP) at Days 3, 8, 15, 22, 29, and 36
Change From Baseline at Day 8
-6 mmHg
Standard Deviation 18
-5 mmHg
Standard Deviation 12
Change From Baseline in the In-clinic Systolic Blood Pressure (SBP) at Days 3, 8, 15, 22, 29, and 36
Change From Baseline at Day 15
-14 mmHg
Standard Deviation 10
-4 mmHg
Standard Deviation 14
Change From Baseline in the In-clinic Systolic Blood Pressure (SBP) at Days 3, 8, 15, 22, 29, and 36
Change From Baseline at Day 22
-10 mmHg
Standard Deviation 12
-7 mmHg
Standard Deviation 14
Change From Baseline in the In-clinic Systolic Blood Pressure (SBP) at Days 3, 8, 15, 22, 29, and 36
Change From Baseline at Day 29
-1 mmHg
Standard Deviation 13
-5 mmHg
Standard Deviation 11
Change From Baseline in the In-clinic Systolic Blood Pressure (SBP) at Days 3, 8, 15, 22, 29, and 36
Change From Baseline at Day 36
-3 mmHg
Standard Deviation 10
-8 mmHg
Standard Deviation 13

SECONDARY outcome

Timeframe: Baseline, Days 3, 8, 15, 22, 29, and 36

Population: PPS=all FAS participants(all randomized participants who received at least 1 injection of study drug and had at least 1 post-Baseline efficacy or exploratory measurements)who received at least 5 of 7 doses of study drug, did not receive antihypertensive medications during Treatment Period prior to Day 43, had no significant protocol deviations that would have been expected to affect efficacy assessments. Number analyzed=number of participants with data available for analysis at given time point.

Outcome measures

Outcome measures
Measure
Placebo
n=6 Participants
Placebo matching solution injected SC once weekly for up to 6 weeks and an additional loading dose on Day 3.
ISIS 757456 80 mg
n=15 Participants
ISIS 757456 80 mg injected SC once weekly for up to 6 weeks and an additional loading dose of 80 mg on Day 3.
Percent Change From Baseline in Plasma AGT at Days 3, 8, 15, 22, 29 and 36
Percent Change From Baseline at Day 3
6.8 percent change
Standard Deviation 20.5
-8.3 percent change
Standard Deviation 13.8
Percent Change From Baseline in Plasma AGT at Days 3, 8, 15, 22, 29 and 36
Percent Change From Baseline at Day 8
19.1 percent change
Standard Deviation 23.8
-35.7 percent change
Standard Deviation 13.8
Percent Change From Baseline in Plasma AGT at Days 3, 8, 15, 22, 29 and 36
Percent Change From Baseline at Day 15
7.6 percent change
Standard Deviation 28.2
-50.4 percent change
Standard Deviation 16.4
Percent Change From Baseline in Plasma AGT at Days 3, 8, 15, 22, 29 and 36
Percent Change From Baseline at Day 22
8.7 percent change
Standard Deviation 24.0
-52.4 percent change
Standard Deviation 17.3
Percent Change From Baseline in Plasma AGT at Days 3, 8, 15, 22, 29 and 36
Percent Change From Baseline at Day 29
6.1 percent change
Standard Deviation 13.8
-62.2 percent change
Standard Deviation 10.5
Percent Change From Baseline in Plasma AGT at Days 3, 8, 15, 22, 29 and 36
Percent Change From Baseline at Day 36
2.9 percent change
Standard Deviation 27.7
-58.3 percent change
Standard Deviation 12.9

Adverse Events

Placebo

Serious events: 1 serious events
Other events: 7 other events
Deaths: 0 deaths

ISIS 757456 80 mg

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Placebo
n=8 participants at risk
Placebo matching solution injected SC once weekly for up to 6 weeks and an additional loading dose on Day 3.
ISIS 757456 80 mg
n=17 participants at risk
ISIS 757456 80 mg injected SC once weekly for up to 6 weeks and an additional loading dose of 80 mg on Day 3.
Gastrointestinal disorders
Pancreatitis acute
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.

Other adverse events

Other adverse events
Measure
Placebo
n=8 participants at risk
Placebo matching solution injected SC once weekly for up to 6 weeks and an additional loading dose on Day 3.
ISIS 757456 80 mg
n=17 participants at risk
ISIS 757456 80 mg injected SC once weekly for up to 6 weeks and an additional loading dose of 80 mg on Day 3.
General disorders
Injection site erythema
0.00%
0/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
11.8%
2/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
General disorders
Chills
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
General disorders
Injection site haemorrhage
0.00%
0/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
5.9%
1/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
General disorders
Injection site rash
0.00%
0/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
5.9%
1/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
General disorders
Injection site swelling
0.00%
0/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
5.9%
1/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Infections and infestations
Nasopharyngitis
25.0%
2/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Infections and infestations
Urinary tract infection
25.0%
2/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Nervous system disorders
Headache
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
17.6%
3/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Gastrointestinal disorders
Abdominal distension
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Gastrointestinal disorders
Abdominal pain
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Musculoskeletal and connective tissue disorders
Arthralgia
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
5.9%
1/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Skin and subcutaneous tissue disorders
Perivascular dermatitis
0.00%
0/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
5.9%
1/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Skin and subcutaneous tissue disorders
Rash maculo-papular
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Injury, poisoning and procedural complications
Tendon rupture
0.00%
0/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
5.9%
1/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Investigations
Blood glucose increased
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Psychiatric disorders
Insomnia
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
Renal and urinary disorders
Haematuria
12.5%
1/8 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.
0.00%
0/17 • Up to Week 19
Safety Set included all participants who were randomized and received at least 1 dose of study drug.

Additional Information

Ionis Pharmaceuticals, Inc

Ionis Pharmaceuticals, Inc

Phone: 800-679-4747

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: OTHER