Basic Information

Gene symbol TTR Synonyms ATTR, CTS, CTS1, HEL111, HsT2651, PALB, TBPA, TTN Type of gene protein-coding
Gene perturbation-related omics dataset PerturbAtlas
Description transthyretin

GTO ID GTC0458
Trial ID NCT03728634
Disease Amyloidosis
Altered gene TTR
Therapeutic/Target gene Target gene
TherapyASO
Treatment AKCEA-TTR-LRx|Eplontersen|ION-682884|IONIS-TTR-LRx|ION-682884|Wainua
Co-treatment Vitamin A
Location approved US
PhasePhase1|Phase2
Recruitment statusCompleted
TitleThis Was a Phase 1/2, Double-blind, Randomized, Placebo-controlled, Dose-escalation Study Conducted at a Single Center for the Healthy Volunteer Cohorts in up to 56 Participants. It Consisted of 1 Single-dose Cohort and 3 Multiple-dose Cohorts (n = 12 Per Cohort, 10 Active:2 Placebo). The Open-label, hATTR Patient Cohort Portion of the Study Was Conducted at Multiple Centers.
Year2018
CountryCanada
Company sponsorIonis Pharmaceuticals, Inc.
Other ID(s)ION-682884-CS1
Vector information
VectorNo vector was used

Clinical Result

Cohort1: Placebo_multiple Dose
Administration route subcutaneous injection|oral
Dosage Placebo, Q4W (total of 4 doses), 13-week
Pts 6
Age Adult, Older_Adult
Outcome Number of Participants With at Least One Treatment-Emergent Adverse Event (TEAE):Measure Type: Count of Participants:3 50.0%|Percentage of Participants Using Concomitant Medications:Measure Type: Number:0.0|Number of Participants With Clinically Significant Laboratory Values:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Physical Examination Findings:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Electrocardiogram (ECG) Values:Measure Type: Count of Participants:0 0.0%
Adverse reactions No serious clinical adverse events
References PMID: 33283485
Cohort2: ION-682884_dose level 1
Administration route subcutaneous injection|oral
Dosage ION-682884, 45 mg, Q4W (total of 4 doses), 13-week
Pts 10
Age Adult, Older_Adult
Outcome Number of Participants With at Least One Treatment-Emergent Adverse Event (TEAE):Measure Type: Count of Participants:1 10.0%|Percentage of Participants Using Concomitant Medications:Measure Type: Number:0.0|Number of Participants With Clinically Significant Laboratory Values:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Physical Examination Findings:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Electrocardiogram (ECG) Values:Measure Type: Count of Participants:0 0.0%
Adverse reactions No serious clinical adverse events
References PMID: 33283485
Cohort3: ION-682884_dose level 2
Administration route subcutaneous injection|oral
Dosage ION-682884, 60 mg, Q4W (total of 4 doses), 13-week
Pts 10
Age Adult, Older_Adult
Outcome Number of Participants With at Least One Treatment-Emergent Adverse Event (TEAE):Measure Type: Count of Participants:3 30.0%|Percentage of Participants Using Concomitant Medications:Measure Type: Number:30.0|Number of Participants With Clinically Significant Laboratory Values:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Physical Examination Findings:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Electrocardiogram (ECG) Values:Measure Type: Count of Participants:0 0.0%
Adverse reactions No serious clinical adverse events
References PMID: 33283485
Cohort4: ION-682884_dose level 3
Administration route subcutaneous injection|oral
Dosage ION-682884, 90 mg, Q4W (total of 4 doses), 13-week
Pts 10
Age Adult, Older_Adult
Outcome Number of Participants With at Least One Treatment-Emergent Adverse Event (TEAE):Measure Type: Count of Participants:7 70.0%|Percentage of Participants Using Concomitant Medications:Measure Type: Number:0.0|Number of Participants With Clinically Significant Laboratory Values:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Physical Examination Findings:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Electrocardiogram (ECG) Values:Measure Type: Count of Participants:0 0.0%
Adverse reactions No serious clinical adverse events
References PMID: 33283485
Cohort5: Placebo_single dose
Administration route subcutaneous injection|oral
Dosage placebo, single dose, Day 1
Pts 2
Age Adult, Older_Adult
Outcome Number of Participants With at Least One Treatment-Emergent Adverse Event (TEAE):Measure Type: Count of Participants:1 50.0%|Percentage of Participants Using Concomitant Medications:Measure Type: Number:0.0|Number of Participants With Clinically Significant Laboratory Values:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Physical Examination Findings:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Electrocardiogram (ECG) Values:Measure Type: Count of Participants:0 0.0%
Adverse reactions No serious clinical adverse events
References PMID: 33283485
Cohort6: ION-682884_dose level 4
Administration route subcutaneous injection|oral
Dosage ION-682884, 120 mg, single dose, Day 1
Pts 9
Age Adult, Older_Adult
Outcome Number of Participants With at Least One Treatment-Emergent Adverse Event (TEAE):Measure Type: Count of Participants:4 44.4%|Percentage of Participants Using Concomitant Medications:Measure Type: Number:22.2|Number of Participants With Clinically Significant Laboratory Values:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Physical Examination Findings:Measure Type: Count of Participants:0 0.0%|Number of Participants With Clinically Significant Electrocardiogram (ECG) Values:Measure Type: Count of Participants:0 0.0%
Adverse reactions No serious clinical adverse events
References PMID: 33283485

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