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NCT02603172

A Safety Study of GSK3039294 in Healthy Volunteers and Patients With Systemic Amyloidosis

Terminated Phase 1 Results posted Last updated 23 September 2019
What this trial tests

Phase 1 trial testing GSK3039294 in Amyloidosis in 23 participants. Terminated before completion.

Timeline
12 May 2016
Primary endpoint
10 May 2017
10 May 2017

Quick facts

Lead sponsorGlaxoSmithKline
PhasePhase 1
StatusTerminated
Study typeINTERVENTIONAL
Allocationnon randomized
Designparallel
Maskingnone
Primary purposetreatment
Enrollment23
Start date12 May 2016
Primary completion10 May 2017
Estimated completion10 May 2017
Sites1 location across United Kingdom

Drugs / interventions tested

Conditions studied

Sponsor

GlaxoSmithKline — full company profile →

Who can join

Adults 18 to 70, any sex, with Amyloidosis. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Part A:Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs) Primary · Up to Day 14

An AE is any untoward medical occurrence in a participants or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. A SAE is defined as any untoward medical occurrence that, at any dose: results in death, is life-threatening, requires inpatient hospitalization clinical chemor prolongation of existing hospitalization, results in persistent disability/incapacity, is a congenital anomaly/birth defect and other important medical events judged by the investigator that may not be immediately life-thr

Any AEs
GroupValue95% CI
Part A: GSK3039294 200 mg1
Part A: GSK3039294 600 mg6
Part A: GSK3039294 1200 mg5
Any SAEs
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Part A: Number of Participants With Emergent Clinical Chemistry by Potentially Clinical Importance (PCI) Criteria Primary · Day 1

PCI ranges for the clinical chemistry parameters were as follows : albumin (low: \<0.86 gram \[g\] per liter \[L\]), calcium (low: \<0.91 millimole \[mmol\]/L and high: \>1.06 mmol/L), glucose (low: \<0.71 mmol/L and high: \>1.41 mmol/L), magnesium (low: \<0.63 mmol/L and high: \>1.03 mmol/L), phosphorous (low: \<0.80 mmol/L and high: \>1.14 mmol/L), potassium (low: \<0.86 mmol/L and high: \>1.10 mmol/L), sodium (low: \<0.96 mmol/L and high: \>1.03 mmol/L), and total carbon dioxide (CO2) (low: \<0.86 mmol/L and high: \>1.14 mmol/L).

Albumin: low
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Albumin: high
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Calcium: low
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Calcium: high
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Glucose: low
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Glucose: high
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Potassium: low
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Potassium: high
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Part A: Number of Participants With Emergent Hematology by PCI Criteria Primary · Day 1

PCI ranges for the hematology parameters were as follows: white blood cell (WBC) count (low: \<0.67 10\^9 cells/L and high: \>1.82 10\^9 cells/L), neutrophil count (low: \<0.83 10\^9 cells/L), hemoglobin (high: \>1.03 g/L in male, \>1.13 g/L in female), hemocrit (high: \>1.02 proportion of red blood cell \[RBC\] in blood for male, \>1.17 proportion of RBC in blood for female), platelet count (low: \<0.67 10\^9 cells/L and high: 1.57 10\^9 cells/L), and lymphocytes (low: \<0.81 10\^9 cells/L).

Hematocrit: low
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Hematocrit: high
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Hemoglobin: low
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Hemoglobin: high
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Leukocytes: low
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Leukocytes: high
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Lymphocytes: low
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Lymphocytes: high
GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Part A: Number of Participants With Abnormal Urinalysis Data by Dipstick Primary · Day 1

Urine samples were collected and urinalysis included analysis of specific gravity, potential of hydrogen (pH), glucose, protein, blood, ketones by dipstick. The dipstick test gives results in a semi-quantitative manner.

GroupValue95% CI
Part A: GSK3039294 200 mg0
Part A: GSK3039294 600 mg0
Part A: GSK3039294 1200 mg0
Part A: Mean Change From Baseline in 12-lead Electrocardiogram (ECG) Primary · Baseline (pre-dose) and 15, 30 minutes, 1, 2, 4, 6, 8, 12, 24, 48 and 72 hours post-dose

Triplicate ECG was measured in semi-supine position after 5 minutes (min) rest. A single 12-lead ECG was measured by using ECG machine that automatically measured PR, QRS, QT, and Fridericia's formula (QTcF) intervals. Baseline is defined as the latest available assessment pre the first dose of study drug within each period in Part A. Change from Baseline was calculated as any visit post Baseline value minus Baseline value.

PR interval: 15 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg0.5± 5.47
Part A: GSK3039294 600 mg0.9± 7.05
Part A: GSK3039294 1200 mg-0.3± 3.47
PR interval: 30 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg-0.3± 6.24
Part A: GSK3039294 600 mg3.1± 5.65
Part A: GSK3039294 1200 mg0.2± 5.35
PR interval: 1 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-2.3± 8.72
Part A: GSK3039294 600 mg3.2± 6.06
Part A: GSK3039294 1200 mg0.3± 7.19
PR interval: 2 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-0.3± 4.82
Part A: GSK3039294 600 mg0.2± 5.50
Part A: GSK3039294 1200 mg0.3± 5.42
PR interval: 4 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-8.3± 6.41
Part A: GSK3039294 600 mg-7.3± 8.22
Part A: GSK3039294 1200 mg-7.1± 4.66
PR interval: 6 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-6.8± 7.04
Part A: GSK3039294 600 mg-7.6± 9.60
Part A: GSK3039294 1200 mg-4.0± 6.98
PR interval: 8 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-5.0± 6.48
Part A: GSK3039294 600 mg-6.1± 8.38
Part A: GSK3039294 1200 mg-5.0± 5.27
PR interval: 12 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-3.8± 7.42
Part A: GSK3039294 600 mg-6.1± 7.77
Part A: GSK3039294 1200 mg-4.7± 9.69
Part A: Mean Change From Baseline in Heart Rate by 12-lead ECG Primary · Baseline (pre-dose) and 15, 30 minutes, 1, 2, 4, 6, 8, 12, 24, 48 and 72 hours post-dose

Triplicate ECG was measured in semi-supine position after 5 min rest. A single 12-lead ECG was measured by using ECG machine that automatically measures the heart rate. Baseline is defined as the latest available assessment pre the first dose of study drug within each period in Part A. Change from Baseline was calculated as any visit post Baseline value minus Baseline value.

15 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg-2.1± 2.90
Part A: GSK3039294 600 mg0.9± 4.27
Part A: GSK3039294 1200 mg0.6± 1.96
30 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg-2.0± 3.10
Part A: GSK3039294 600 mg0.9± 4.64
Part A: GSK3039294 1200 mg1.0± 2.62
1 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-2.0± 4.95
Part A: GSK3039294 600 mg-0.4± 3.72
Part A: GSK3039294 1200 mg1.8± 1.77
2 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-1.1± 3.97
Part A: GSK3039294 600 mg-0.7± 3.38
Part A: GSK3039294 1200 mg1.0± 2.27
4 hour
GroupValue95% CI
Part A: GSK3039294 200 mg8.1± 4.13
Part A: GSK3039294 600 mg9.7± 4.29
Part A: GSK3039294 1200 mg8.3± 5.27
6 hour
GroupValue95% CI
Part A: GSK3039294 200 mg5.8± 4.21
Part A: GSK3039294 600 mg5.7± 4.63
Part A: GSK3039294 1200 mg7.3± 3.52
8 hour
GroupValue95% CI
Part A: GSK3039294 200 mg2.4± 6.67
Part A: GSK3039294 600 mg4.1± 4.79
Part A: GSK3039294 1200 mg5.2± 5.55
12 hour
GroupValue95% CI
Part A: GSK3039294 200 mg1.1± 2.17
Part A: GSK3039294 600 mg3.8± 4.15
Part A: GSK3039294 1200 mg6.3± 2.69
Part A: Mean Change From Baseline in Blood Pressure (BP) Primary · Baseline (pre-dose) and 15, 30 minutes, 1, 2, 4, 6, 8, 12, 24, 48 and 72 hours post-dose

Systolic BP and diastolic BP were measured in semi-supine position after 5 min rest for the participants at indicated time points. Baseline is defined as the latest available assessment pre the first dose of study drug within each period in Part A. Change from Baseline was calculated as any visit post Baseline value minus Baseline value.

Diastolic BP: 15 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg-0.6± 3.11
Part A: GSK3039294 600 mg-0.4± 3.86
Part A: GSK3039294 1200 mg3.5± 4.86
Diastolic BP: 30 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg-0.1± 1.54
Part A: GSK3039294 600 mg0.1± 3.72
Part A: GSK3039294 1200 mg2.9± 4.04
Diastolic BP: 1 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-2.0± 4.13
Part A: GSK3039294 600 mg-1.1± 3.53
Part A: GSK3039294 1200 mg0.9± 4.25
Diastolic BP: 2 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-3.1± 3.16
Part A: GSK3039294 600 mg-1.7± 4.95
Part A: GSK3039294 1200 mg1.4± 4.06
Diastolic BP: 4 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-7.3± 2.45
Part A: GSK3039294 600 mg-6.5± 5.83
Part A: GSK3039294 1200 mg-2.5± 6.54
Diastolic BP: 6 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-4.7± 3.82
Part A: GSK3039294 600 mg-4.8± 4.80
Part A: GSK3039294 1200 mg-0.3± 4.38
Diastolic BP: 8 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-2.0± 5.47
Part A: GSK3039294 600 mg-1.9± 6.16
Part A: GSK3039294 1200 mg0.8± 6.09
Diastolic BP: 12 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-7.1± 2.88
Part A: GSK3039294 600 mg-4.6± 5.77
Part A: GSK3039294 1200 mg-2.6± 7.39
Part A: Mean Change From Baseline in Pulse Rate Primary · Baseline (pre-dose) and 15, 30 minutes, 1, 2, 4, 6, 8, 12, 24, 48 and 72 hours post-dose

Pulse rate was measured in semi-supine position after 5 minutes rest for the participants at indicated time points. Baseline is defined as the latest available assessment pre the first dose of study drug within each period in Part A. Change from Baseline was calculated as any visit post Baseline value minus Baseline value.

15 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg0.2± 2.15
Part A: GSK3039294 600 mg-0.4± 2.25
Part A: GSK3039294 1200 mg0.4± 3.14
30 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg-0.4± 3.06
Part A: GSK3039294 600 mg0.5± 2.17
Part A: GSK3039294 1200 mg1.7± 2.91
1 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-0.2± 5.17
Part A: GSK3039294 600 mg0.4± 3.10
Part A: GSK3039294 1200 mg1.3± 3.51
2 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-0.7± 1.76
Part A: GSK3039294 600 mg-0.3± 5.00
Part A: GSK3039294 1200 mg1.5± 2.36
4 hour
GroupValue95% CI
Part A: GSK3039294 200 mg9.3± 4.64
Part A: GSK3039294 600 mg9.0± 4.90
Part A: GSK3039294 1200 mg7.9± 4.01
6 hour
GroupValue95% CI
Part A: GSK3039294 200 mg7.1± 6.71
Part A: GSK3039294 600 mg4.6± 4.44
Part A: GSK3039294 1200 mg7.5± 3.59
8 hour
GroupValue95% CI
Part A: GSK3039294 200 mg4.4± 6.29
Part A: GSK3039294 600 mg4.4± 5.72
Part A: GSK3039294 1200 mg5.0± 5.61
12 hour
GroupValue95% CI
Part A: GSK3039294 200 mg2.3± 3.58
Part A: GSK3039294 600 mg3.8± 3.82
Part A: GSK3039294 1200 mg5.5± 4.01
Part A: Mean Change From Baseline in Temperature Primary · Baseline (pre-dose) and 15, 30 minutes, 1, 2, 4, 6, 8, 12, 24, 48 and 72 hours post-dose

Temperature was measured in semi-supine position after 5 min rest for the participants at indicated time points. Baseline is defined as the latest available assessment pre the first dose of study drug within each period in Part A. Change from Baseline was calculated as any visit post Baseline value minus Baseline value.

15 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg-0.18± 0.292
Part A: GSK3039294 600 mg-0.00± 0.339
Part A: GSK3039294 1200 mg0.10± 0.239
30 minutes
GroupValue95% CI
Part A: GSK3039294 200 mg-0.14± 0.374
Part A: GSK3039294 600 mg-0.02± 0.369
Part A: GSK3039294 1200 mg0.09± 0.253
1 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-0.26± 0.469
Part A: GSK3039294 600 mg0.09± 0.380
Part A: GSK3039294 1200 mg0.17± 0.255
2 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-0.06± 0.288
Part A: GSK3039294 600 mg0.09± 0.278
Part A: GSK3039294 1200 mg0.21± 0.230
4 hour
GroupValue95% CI
Part A: GSK3039294 200 mg0.24± 0.329
Part A: GSK3039294 600 mg0.27± 0.453
Part A: GSK3039294 1200 mg0.34± 0.350
6 hour
GroupValue95% CI
Part A: GSK3039294 200 mg0.24± 0.250
Part A: GSK3039294 600 mg0.53± 0.318
Part A: GSK3039294 1200 mg0.45± 0.334
8 hour
GroupValue95% CI
Part A: GSK3039294 200 mg-0.00± 0.438
Part A: GSK3039294 600 mg0.37± 0.427
Part A: GSK3039294 1200 mg0.47± 0.381
12 hour
GroupValue95% CI
Part A: GSK3039294 200 mg0.10± 0.463
Part A: GSK3039294 600 mg0.19± 0.486
Part A: GSK3039294 1200 mg0.36± 0.534
Part B:Number of Participants With AEs and SAEs Primary · Cohort 3: Up to Day 21; Cohort 4: Up to Day 35

An AE is any untoward medical occurrence in a participant or clinical investigation participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. A SAE is defined as any untoward medical occurrence that, at any dose: results in death, is life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent disability/incapacity, is a congenital anomaly/birth defect and other important medical events judged by the investigator that may not be immediately life-threatening or re

Any AE
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD7
Any SAE
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD1
Part B: Number of Participants With Emergent Clinical Chemistry by PCI Criteria Primary · Cohort 3 and 4: Up to Day 3

PCI ranges for the clinical chemistry parameters were as follows: albumin (low: \<0.86 g/L), calcium (low: \<0.91 mmol/L and high: \>1.06 mmol/L), glucose (low: \<0.71 mmol/L and high: \>1.41 mmol/L), magnesium (low: \<0.63 mmol/L and high: \>1.03 mmol/L), phosphorous (low: \<0.80 mmol/L and high: \>1.14 mmol/L), potassium (low: \<0.86 mmol/L and high: \>1.10 mmol/L), sodium (low: \<0.96 mmol/L and high: \>1.03 mmol/L), and total CO2 (low: \<0.86 mmol/L and high: \>1.14 mmol/L).

Albumin: low
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Albumin: high
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Calcium: low
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Calcium: high
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Glucose: low
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Glucose: high
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Potassium: low
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Potassium: high
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Part B: Number of Participants With Emergent Hematology by PCI Criteria Primary · Cohort 3 and 4: Up to Day 3

PCI ranges for the hematology parameters were as follows: WBC count (low: \<0.67 10\^9 cells/L and high: \>1.82 10\^9 cells/L), neutrophil count (low: \<0.83 10\^9 cells/L), hemoglobin (high: \>1.03 g/L in male, \>1.13 g/L in female), hemocrit (high: \>1.02 proportion of RBC in blood for male, \>1.17 proportion of RBC in blood for female), platelet count (low: \<0.67 10\^9 cells/L and high: 1.57 10\^9 cells/L), and lymphocytes (low: \<0.81 10\^9 cells/L).

Hematocrit: low
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Hematocrit: high
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Hemoglobin: low
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Hemoglobin: high
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Leukocytes: low
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Leukocytes: high
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Lymphocytes: low
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0
Lymphocytes: high
GroupValue95% CI
Part B: Cohort 3- GSK3039294 600 mg QD0

Adverse events — posted to ClinicalTrials.gov

Time frame: Part A: Up to Day 14; Part B (Cohort 3: Up to Day 21, Cohort 4a and 4b: Up to Day 35); and Part C: Up to Day 63. Reporting threshold: 5%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Part A: GSK3039294 200 mg
Serious: 0/8 (0%)
Deaths: 0/8
Part A: GSK3039294 600 mg
Serious: 0/16 (0%)
Deaths: 0/16
Part A: GSK3039294 1200 mg
Serious: 0/8 (0%)
Deaths: 0/8
Part B: Cohort 3- GSK3039294 600 mg QD
Serious: 1/8 (13%)
Deaths: 0/8
Part B: Cohort 4a- GSK3039294
Serious: 0
Deaths: 0
Part B: Cohort 4b- GSK3039294
Serious: 0
Deaths: 0
Part C: GSK3039294
Serious: 0
Deaths: 0

Serious adverse events (1 terms)

ReactionSystemPart A: GSK3039294 200 mgPart A: GSK3039294 600 mgPart A: GSK3039294 1200 mgPart B: Cohort 3- GSK30392…Part B: Cohort 4a- GSK3039…Part B: Cohort 4b- GSK3039…Part C: GSK3039294
Supraventricular tachycardiaCardiac disorders
Other adverse events (18 terms — click to expand)

ReactionSystemPart A: GSK3039294 200 mgPart A: GSK3039294 600 mgPart A: GSK3039294 1200 mgPart B: Cohort 3- GSK30392…Part B: Cohort 4a- GSK3039…Part B: Cohort 4b- GSK3039…Part C: GSK3039294
Dermatitis contactSkin and subcutaneous tissue disorders
HeadacheNervous system disorders
Atrial tachycardiaCardiac disorders
Accelerated idioventricular rhythmCardiac disorders
Supraventricular tachycardiaCardiac disorders
DyspepsiaGastrointestinal disorders
NauseaGastrointestinal disorders
VomitingGastrointestinal disorders
GastroenteritisInfections and infestations
NasopharyngitisInfections and infestations
DizzinessNervous system disorders
Eye irritationEye disorders
Catheter site haematomaGeneral disorders
Vessel puncture site painGeneral disorders
Arthropod biteInjury, poisoning and procedural complications
HypophosphataemiaMetabolism and nutrition disorders
Abnormal dreamsPsychiatric disorders
Nasal obstructionRespiratory, thoracic and mediastinal disorders

Most-reported serious reactions: Supraventricular tachycardia.

Data from ClinicalTrials.gov NCT02603172 adverse events section.

Sponsor's own description

GSK3039294 has been developed in order to offer an orally available alternative to parenteral CPHPC (GSK2315698 \[metabolite of GSK3039294\]) for plasma serum amyloid P component (SAP) depletion prior to use of anti SAP monoclonal antibody (mAb) in the treatment of systemic amyloidosis. This phase 1 study is intended to study safety, tolerability and pharmacokinetic (PK) profile of GSK3039294 in humans. This study consists of three parts. Part A will evaluate safety and tolerability of single doses of GSK3039294 in healthy subjects, Part B will evaluate safety and tolerability of repeat doses of GSK3039294 in healthy subjects, and Part C will evaluate safety and tolerability of repeat doses of GSK3039294 in subjects with systemic amyloidosis. Part A is a single dose, open label, dose escalation study. Two cohorts of subjects will be enrolled to provide data from 6 subjects per cohort and up to 4 different doses (2 dose levels per cohort) of GSK3039294 will be tested. For Cohorts 1 and 2, each subject may take part in two dosing periods. Part B is repeat dose, open label, dose escalation study. Sufficient number of subjects will be enrolled in Cohort 3a to ensure 6 completers (Cohort 3b will be conducted if required) and GSK3039294 will be administered repeatedly for a total of 21 days. Each subject will take part in a single study period. In Part C a single dose level of GSK3039294 will be tested for 21 days repeat dose, in 12 subjects with systemic amyloidosis. Each subject will take part in a single study period. The total duration for Part A is approximately 8 weeks, Part B is approximately 8-9 weeks, and Part C is approximately 13 weeks.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. Pan-Amyloid Reactive Peptides p5+14 and p5R Exhibit Specific Charge-Dependent Binding to Glycosaminoglycans.
    Hancock TJ, Williams AD, Foster JS, Wall JS, et al · · 2025 · PMID 41011213 · DOI 10.3390/ph18091340

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