A Phase 2/3 interventional study of Inotersen and Placebo in FAP, Familial Amyloid Polyneuropathy and TTR, sponsored by Ionis Pharmaceuticals, Inc.. Completed at 24 sites in 10 countries. Open to participants aged 18 Years to 82 Years. Per ClinicalTrials.gov, last updated 2019-07-17.
Sponsored by Ionis Pharmaceuticals, Inc. · Phase 2/3, Interventional, and Treatment
The purpose of this study is to evaluate the efficacy and safety of inotersen given for 65 weeks in participants with Familial Amyloid Polyneuropathy (FAP).
FAP is a rare, hereditary disease caused by mutations in the transthyretin (TTR) protein. TTR is made by the liver and secreted into the blood. TTR mutations cause it to misfold and deposit in multiple organs causing FAP.
Inotersen (also known as ISIS 420915) is an antisense drug that was designed to decrease the amount of mutant and normal TTR made by the liver. It is predicted that decreasing the amount of TTR protein would result in a decrease in the formation of TTR deposits, and thus slow or stop disease progression.
The purpose of this study is to determine if inotersen can slow or stop the nerve damage caused by TTR deposits. This study will enroll late Stage 1 and early Stage 2 FAP participants. Participants will receive either inotersen or placebo for 65 weeks.
256 studies on the registry are indexed under Polyneuropathies; 50 are open to participants now.
This study's enrollment of 173 is above the median of 75 across 162 interventional studies indexed under Polyneuropathies.
Browse Polyneuropathies studies →Ionis Pharmaceuticals, Inc. is the lead sponsor of 116 studies on the registry; 10 are open to participants now.
Of its 48 completed or terminated interventional studies of FDA-regulated products, 21 (44%) have results posted.
Counted across the registry records on this site, refreshed daily.
Stage 1 and Stage 2 FAP participants with the following:
Exclusion Criteria:
300 mg inotersen administered subcutaneously (SC) 3 times on alternate days in the first week and then once-weekly for 64 weeks
Drug: Inotersen
Placebo administered SC 3 times on alternate days in the first week and then once-weekly for 64 weeks
Drug: Placebo
Also known as: TEGSEDI, IONIS-TTR Rx, ISIS 420915
Change From Baseline In The Modified Neuropathy Impairment Score (mNIS) +7 Composite Score at Week 66
The mNIS+7 composite score is a measure of neurologic impairment that evaluates muscle weakness, sensation, reflexes, nerve conduction, and autonomic function. The mNIS+7 Composite Score has a range of -22.32 to 346.32 and a higher mNIS+7 composite score indicates lower function.
Time frame: Baseline and Week 66
Change From Baseline In The Norfolk Quality Of Life Diabetic Neuropathy (QoL-DN) Questionnaire at Week 66
The Norfolk QoL-DN score is a measure of physical function/large fiber neuropathy, symptoms, activities of daily living, small fiber neuropathy, and autonomic neuropathy. The Norfolk QoL-DN total score has a range of -4 to 136, and a higher Norfolk QoL-DN score indicates poorer QoL.
Time frame: Baseline and Week 66
Change From Baseline In The Norfolk QoL-DN Questionnaire Symptoms Domain Score at Week 66
The Norfolk QoL-DN symptoms score is a sub-score of the total Norfolk QoL-DN Questionnaire. The Norfolk QoL-DN symptoms domain score has a range of 0-32, and a higher Norfolk QoL-DN score indicates poorer QoL.
Time frame: Baseline and Week 66
Change From Baseline In The Norfolk QoL-DN Questionnaire Physical Functioning/Large Fiber Neuropathy Domain Score at Week 66
The Norfolk QoL-DN physical functioning/large fiber neuropathy domain score is a sub-score of the total Norfolk QoL-DN Questionnaire. The Norfolk QoL-DN physical function/large fiber neuropathy domain score has a range of -4 to 56, and a higher Norfolk QoL-DN domain score indicates poorer QoL.
Time frame: Baseline and Week 66
Change From Baseline In Modified Body Mass Index (mBMI) at Week 65
The mBMI is the BMI multiplied by the serum albumin g/L
Time frame: Baseline and Week 65
Change From Baseline In Body Mass Index (BMI) at Week 65
Time frame: Baseline and Week 65
Change From Baseline in Neuropathy Impairment Score (NIS) at Week 66
The NIS score is a measure of neurologic impairment. The NIS Score has a range of 0 to 244 and a higher NIS score indicates lower function.
Time frame: Baseline and Week 66
Change From Baseline in Modified +7 at Week 66
The Modified +7 score is a version of the NIS score that is a measure of neurologic impairment. The Modified +7 Score has a range of -22.32 to 102.32 and a higher NIS score indicates lower function.
Time frame: Baseline and Week 66
Change From Baseline in NIS+7 at Week 66
The NIS+7 score is a version of the NIS score that is a measure of neurologic impairment. The NIS+7 Score has a range of -26.04 to 270.04 and a higher NIS score indicates lower function.
Time frame: Baseline and Week 66
Change From Baseline in Global Longitudinal Strain (GLS) by Echocardiogram (ECHO) at Week 65 in the CM-ECHO Set
GLS by ECHO is a measure of cardiac systolic function
Time frame: Baseline and Week 65
Change From Baseline in Global Longitudinal Strain (GLS) by Echocardiogram ECHO at Week 65 in the ECHO Subgroup
GLS by ECHO is a measure of cardiac systolic function
Time frame: Baseline and Week 65
Change From Baseline in Transthyretin (TTR) Level at Week 65
Time frame: Baseline and Week 65
Change From Baseline in Retinol Binding Protein 4 (RBP4) Level at Week 65
Time frame: Baseline and Week 65
Maximum Measured Plasma Concentration (Cmax) Of Inotersen At Week 65
Time frame: Week 65
Time To The Maximum Plasma Concentration (Tmax) Of Inotersen At Week 65
Time frame: Week 65
Area Under The Plasma Concentration-time Curve From 0 To 24 Hours (AUC[0-24hr]) Of Inotersen At Week 65
Time frame: Week 65
Area Under The Plasma Concentration-time Curve From 0 To 168 Hours (AUC[0-168hr]) Of Inotersen At Week 65
Time frame: Week 65
Plasma Clearance From 0 To 24 Hours (CL[0-24hr]/F) Of Inotersen At Week 65
Time frame: Week 65
Inotersen Plasma Clearance At Steady State (CLss/F) At Week 65
Time frame: Week 65
| Milestone | Inotersen | Placebo |
|---|---|---|
| Started | 113 | 60 |
| Received at least 1 dose of study drug | 112 | 60 |
| Safety set | 112 | 60 |
| Completed | 87 | 52 |
| Not completed | 26 | 8 |
| Withdrew: Adverse event or sae | 16 | 1 |
| Withdrew: Stopping rule met | 2 | 1 |
| Withdrew: Voluntary withdrawal | 2 | 3 |
| Withdrew: Ineligibility | 1 | 0 |
| Withdrew: Liver transplant | 1 | 0 |
| Withdrew: Disease progression | 2 | 3 |
| Withdrew: Sponsor's decision | 2 | 0 |
The mNIS+7 composite score is a measure of neurologic impairment that evaluates muscle weakness, sensation, reflexes, nerve conduction, and autonomic function. The mNIS+7 Composite Score has a range of -22.32 to 346.32 and a higher mNIS+7 composite score indicates lower function.
| Scores on a Scale | Inotersen | Placebo |
|---|---|---|
| Change From Baseline In The Modified Neuropathy Impairment Score (mNIS) +7 Composite Score at Week 66 | 4.16 ± 15.672 | 23.89 ± 24.190 |
The Norfolk QoL-DN score is a measure of physical function/large fiber neuropathy, symptoms, activities of daily living, small fiber neuropathy, and autonomic neuropathy. The Norfolk QoL-DN total score has a range of -4 to 136, and a higher Norfolk QoL-DN score indicates poorer QoL.
| Scores on a Scale | Inotersen | Placebo |
|---|---|---|
| Change From Baseline In The Norfolk Quality Of Life Diabetic Neuropathy (QoL-DN) Questionnaire at Week 66 | -0.08 ± 18.967 | 10.77 ± 21.134 |
The Norfolk QoL-DN symptoms score is a sub-score of the total Norfolk QoL-DN Questionnaire. The Norfolk QoL-DN symptoms domain score has a range of 0-32, and a higher Norfolk QoL-DN score indicates poorer QoL.
| Scores on a Scale | Inotersen | Placebo |
|---|---|---|
| Change From Baseline In The Norfolk QoL-DN Questionnaire Symptoms Domain Score at Week 66 | -1.40 ± 4.763 | 1.18 ± 5.270 |
The Norfolk QoL-DN physical functioning/large fiber neuropathy domain score is a sub-score of the total Norfolk QoL-DN Questionnaire. The Norfolk QoL-DN physical function/large fiber neuropathy domain score has a range of -4 to 56, and a higher Norfolk QoL-DN domain score indicates poorer QoL.
| Scores on a Scale | Inotersen | Placebo |
|---|---|---|
| Change From Baseline In The Norfolk QoL-DN Questionnaire Physical Functioning/Large Fiber Neuropathy Domain Score at Week 66 | 1.05 ± 11.924 | 8.74 ± 9.689 |
The mBMI is the BMI multiplied by the serum albumin g/L
| kg/m^2*g/L | Inotersen | Placebo |
|---|---|---|
| Change From Baseline In Modified Body Mass Index (mBMI) at Week 65 | -73.32 ± 96.311 | -85.21 ± 91.259 |
| kg/m^2 | Inotersen | Placebo |
|---|---|---|
| Change From Baseline In Body Mass Index (BMI) at Week 65 | -0.24 ± 1.521 | -0.87 ± 1.202 |
The NIS score is a measure of neurologic impairment. The NIS Score has a range of 0 to 244 and a higher NIS score indicates lower function.
| Scores on a Scale | Inotersen | Placebo |
|---|---|---|
| Change From Baseline in Neuropathy Impairment Score (NIS) at Week 66 | 4.47 ± 10.329 | 17.29 ± 16.986 |
The Modified +7 score is a version of the NIS score that is a measure of neurologic impairment. The Modified +7 Score has a range of -22.32 to 102.32 and a higher NIS score indicates lower function.
| Scores on a Scale | Inotersen | Placebo |
|---|---|---|
| Change From Baseline in Modified +7 at Week 66 | -0.31 ± 11.134 | 6.60 ± 12.770 |
The NIS+7 score is a version of the NIS score that is a measure of neurologic impairment. The NIS+7 Score has a range of -26.04 to 270.04 and a higher NIS score indicates lower function.
| Scores on a Scale | Inotersen | Placebo |
|---|---|---|
| Change From Baseline in NIS+7 at Week 66 | 5.10 ± 10.709 | 19.00 ± 16.824 |
GLS by ECHO is a measure of cardiac systolic function
| Percent Change | Inotersen | Placebo |
|---|---|---|
| Change From Baseline in Global Longitudinal Strain (GLS) by Echocardiogram (ECHO) at Week 65 in the CM-ECHO Set | 0.69 ± 3.134 | 0.46 ± 2.702 |
GLS by ECHO is a measure of cardiac systolic function
| Percent Change | Inotersen | Placebo |
|---|---|---|
| Change From Baseline in Global Longitudinal Strain (GLS) by Echocardiogram ECHO at Week 65 in the ECHO Subgroup | 0.25 ± 3.163 | 1.05 ± 2.745 |
| g/L | Inotersen | Placebo |
|---|---|---|
| Change From Baseline in Transthyretin (TTR) Level at Week 65 | -0.1570 ± 0.0619 | -0.0146 ± 0.0402 |
| ug/L | Inotersen | Placebo |
|---|---|---|
| Change From Baseline in Retinol Binding Protein 4 (RBP4) Level at Week 65 | -21725.9 ± 9884.04 | -1768.7 ± 8027.78 |
| ug/mL | Inotersen 300 mg IM Negative | Inotersen 300 mg IM Positive |
|---|---|---|
| Maximum Measured Plasma Concentration (Cmax) Of Inotersen At Week 65 | 6.76 ± 1.88 | 11.1 ± 4.80 |
| hours | Inotersen 300 mg IM Negative | Inotersen 300 mg IM Positive |
|---|---|---|
| Time To The Maximum Plasma Concentration (Tmax) Of Inotersen At Week 65 | 4.14 ± 1.88 | 3.48 ± 0.68 |
| ug*hr/mL | Inotersen 300 mg IM Negative | Inotersen 300 mg IM Positive |
|---|---|---|
| Area Under The Plasma Concentration-time Curve From 0 To 24 Hours (AUC[0-24hr]) Of Inotersen At Week 65 | 93.1 ± 30.7 | 92.4 ± 77.3 |
| ug*hr/mL | Inotersen 300 mg IM Negative | Inotersen 300 mg IM Positive |
|---|---|---|
| Area Under The Plasma Concentration-time Curve From 0 To 168 Hours (AUC[0-168hr]) Of Inotersen At Week 65 | 98.9 ± 33.5 | 103.0 ± 88.2 |
| L/hr | Inotersen 300 mg IM Negative | Inotersen 300 mg IM Positive |
|---|---|---|
| Plasma Clearance From 0 To 24 Hours (CL[0-24hr]/F) Of Inotersen At Week 65 | 3.57 ± 1.32 | 6.14 ± 5.92 |
| L/hr | Inotersen 300 mg IM Negative | Inotersen 300 mg IM Positive |
|---|---|---|
| Inotersen Plasma Clearance At Steady State (CLss/F) At Week 65 | 3.33 ± 1.21 | 5.46 ± 5.13 |
Collected over Week 1 to Week 91. Non-serious events are listed at a 5% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| Inotersen | 5/112 (4.5%) | 36/112 (32.1%) | 110/112 (98.2%) |
| Placebo | 0/60 (0%) | 13/60 (21.7%) | 60/60 (100%) |
| Event | Inotersen | Placebo |
|---|---|---|
| Cardiac failure congestiveCardiac disorders | 4/112 | 2/60 |
| PneumoniaInfections and infestations | 2/112 | 2/60 |
| Ankle fractureInjury, poisoning and procedural complications | 0/112 | 2/60 |
| DehydrationMetabolism and nutrition disorders | 3/112 | 0/60 |
| BronchitisInfections and infestations | 2/112 | 0/60 |
| Cardiac failureCardiac disorders | 2/112 | 1/60 |
| Cardiac failure acuteCardiac disorders | 2/112 | 0/60 |
| Sinus arrestCardiac disorders | 2/112 | 0/60 |
| CachexiaMetabolism and nutrition disorders | 2/112 | 0/60 |
| Confusional statePsychiatric disorders | 2/112 | 0/60 |
| Event | Inotersen | Placebo |
|---|---|---|
| NauseaGastrointestinal disorders | 35/112 | 7/60 |
| Injection site erythemaGeneral disorders | 35/112 | 0/60 |
| FatigueGeneral disorders | 28/112 | 12/60 |
| DiarrhoeaGastrointestinal disorders | 27/112 | 12/60 |
| HeadacheNervous system disorders | 26/112 | 7/60 |
| FallInjury, poisoning and procedural complications | 19/112 | 13/60 |
| Injection site painGeneral disorders | 23/112 | 4/60 |
| PyrexiaGeneral disorders | 22/112 | 5/60 |
| Oedema peripheralGeneral disorders | 21/112 | 6/60 |
| Urinary tract infectionInfections and infestations | 21/112 | 11/60 |
Safety Set: Participants who were randomized and received at least 1 dose of study drug (inotersen or placebo). The Safety Set is the population used for the analyses of all safety measures.
| Age, Continuous(years) | Inotersen | Placebo | Total |
|---|---|---|---|
| Mean | 59.0 ± 12.53 | 59.5 ± 14.05 | 59.2 ± 13.04 |
| Sex: Female, Male(Participants) | Inotersen | Placebo | Total |
|---|---|---|---|
| Female | 35 | 19 | 54 |
| Male | 77 | 41 | 118 |
| Ethnicity (NIH/OMB)(Participants) | Inotersen | Placebo | Total |
|---|---|---|---|
| Hispanic or Latino | 17 | 7 | 24 |
| Not Hispanic or Latino | 95 | 53 | 148 |
| Unknown or Not Reported | 0 | 0 | 0 |
| Race/Ethnicity, Customized(Participants) | Inotersen | Placebo | Total |
|---|---|---|---|
| Asian | 1 | 3 | 4 |
| Black | 3 | 1 | 4 |
| White | 105 | 53 | 158 |
| White & Grayish-Brown | 0 | 1 | 1 |
| Other | 3 | 2 | 5 |
| Participants diagnosed with hATTR-CM(Participants) | Inotersen | Placebo | Total |
|---|---|---|---|
| Yes | 45 | 22 | 67 |
| No | 67 | 38 | 105 |
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Ionis Pharmaceuticals, Inc.