Adults 6 to 64, any sex, with Primary Hyperoxaluria Type 1 (PH1). 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.
Number of Participants With Adverse Events (AEs)Primary· Part A (SAD): Up to 405 days; Part B (MAD): Up to 546 days
An AE is any untoward medical occurrence in a clinical investigational subject administered a medicinal product and which does not necessarily have a causal relationship with this treatment.
Group
Value
95% CI
Part A: SAD: Placebo
5
Part A: SAD: Lumasiran 0.3 mg/kg
6
Part A: SAD: Lumasiran 1.0 mg/kg
2
Part A: SAD: Lumasiran 3.0 mg/kg
6
Part A: SAD: Lumasiran 6.0 mg/kg
6
Part B: MAD: Placebo
2
Part B: MAD: Lumasiran 1.0 mg/kg qM
8
Part B: MAD: Lumasiran 3.0 mg/kg qM
7
Part B: MAD: Lumasiran 3.0 mg/kg q3M
4
Maximum Concentration (Cmax) of Lumasiran in PlasmaSecondary· Part A (SAD): Day 1: predose, 30 minutes (min), 1 hour (h), 2 h, 4 h, 6 h, 8 h and 24 h; Part B (MAD): Days 1 and 57 for qM dosing and Days 1 and 85 for q3M dosing: predose, 30 min, 1 h, 2 h, 4 h, 6 h, 8 h, 12 h, 24 h and 48 h
Samples for Part A were collected only on Day 1; Part B on Days 1 and 57 for qM and on Days 1 and 85 for q3M arm groups.
Day 1
Group
Value
95% CI
Part A: SAD: Lumasiran 0.3 mg/kg
39.7940
± 8.58882
Part A: SAD: Lumasiran 1.0 mg/kg
204.3748
± 111.68091
Part A: SAD: Lumasiran 3.0 mg/kg
533.4527
± 160.11060
Part A: SAD: Lumasiran 6.0 mg/kg
1176.1302
± 199.89797
Part B: MAD: Lumasiran 1.0 mg/kg qM
324.1386
± 489.71104
Part B: MAD: Lumasiran 3.0 mg/kg qM
582.4515
± 266.90105
Part B: MAD: Lumasiran 3.0 mg/kg q3M
432.2798
± 245.02660
Day 57
Group
Value
95% CI
Part B: MAD: Lumasiran 1.0 mg/kg qM
147.6780
± 67.97968
Part B: MAD: Lumasiran 3.0 mg/kg qM
701.1708
± 511.63001
Day 85
Group
Value
95% CI
Part B: MAD: Lumasiran 3.0 mg/kg q3M
411.5613
± 174.92146
Time to Cmax (Tmax) of Lumasiran in PlasmaSecondary· Part A (SAD): Day 1: predose, 30 min, 1 h, 2 h, 4 h, 6 h, 8 h and 24 h; Part B (MAD): Days 1 and 57 for qM dosing and Days 1 and 85 for q3M dosing: predose, 30 min, 1 h, 2 h, 4 h, 6 h, 8 h, 12 h, 24 h and 48 h
Samples for Part A were collected only on Day 1; Part B on Days 1 and 57 for qM and on Days 1 and 85 for q3M arm groups.
Day 1
Group
Value
95% CI
Part A: SAD: Lumasiran 0.3 mg/kg
5.0167
4.000 – 8.017
Part A: SAD: Lumasiran 1.0 mg/kg
1.5000
0.517 – 8.000
Part A: SAD: Lumasiran 3.0 mg/kg
3.0000
0.500 – 8.000
Part A: SAD: Lumasiran 6.0 mg/kg
7.0000
0.500 – 8.067
Part B: MAD: Lumasiran 1.0 mg/kg qM
3.9917
0.567 – 5.967
Part B: MAD: Lumasiran 3.0 mg/kg qM
4.9917
0.533 – 12.000
Part B: MAD: Lumasiran 3.0 mg/kg q3M
9.0000
5.783 – 12.017
Day 57
Group
Value
95% CI
Part B: MAD: Lumasiran 1.0 mg/kg qM
3.0417
0.500 – 6.000
Part B: MAD: Lumasiran 3.0 mg/kg qM
2.9833
0.500 – 8.000
Day 85
Group
Value
95% CI
Part B: MAD: Lumasiran 3.0 mg/kg q3M
5.9833
4.050 – 7.950
Area Under the Concentration-Time Curve From Time 0 to Time of Last Measurable Concentration (AUC0-last) of Lumasiran in PlasmaSecondary· Part A (SAD): Day 1: predose, 30 min, 1 h, 2 h, 4 h, 6 h, 8 h and 24 h; Part B (MAD): Days 1 and 57 for qM dosing and Days 1 and 85 for q3M dosing: predose, 30 min, 1 h, 2 h, 4 h, 6 h, 8 h, 12 h, 24 h and 48 h
Samples for Part A were collected only on Day 1; Part B on Days 1 and 57 for qM and on Days 1 and 85 for q3M arm groups.
Day 1
Group
Value
95% CI
Part A: SAD: Lumasiran 0.3 mg/kg
293.5232
± 96.86989
Part A: SAD: Lumasiran 1.0 mg/kg
1899.8119
± 558.25326
Part A: SAD: Lumasiran 3.0 mg/kg
7211.5890
± 1125.64173
Part A: SAD: Lumasiran 6.0 mg/kg
16778.0579
± 4380.15325
Part B: MAD: Lumasiran 1.0 mg/kg qM
1428.0412
± 697.85233
Part B: MAD: Lumasiran 3.0 mg/kg qM
7400.2181
± 2331.89843
Part B: MAD: Lumasiran 3.0 mg/kg q3M
6337.9082
± 3840.03340
Day 57
Group
Value
95% CI
Part B: MAD: Lumasiran 1.0 mg/kg qM
1608.1457
± 708.95156
Part B: MAD: Lumasiran 3.0 mg/kg qM
7959.7873
± 1726.57675
Day 85
Group
Value
95% CI
Part B: MAD: Lumasiran 3.0 mg/kg q3M
5136.3462
± 2757.90139
Terminal Half-life (t1/2) of Lumasiran in PlasmaSecondary· Part A (SAD): Day 1: predose, 30 min, 1 h, 2 h, 4 h, 6 h, 8 h and 24 h; Part B (MAD): Days 1 and 57 for qM dosing and Days 1 and 85 for q3M dosing: predose, 30 min, 1 h, 2 h, 4 h, 6 h, 8 h, 12 h, 24 h and 48 h
Samples for Part A were collected only on Day 1; Part B on Days 1 and 57 for qM and on Days 1 and 85 for q3M arm groups.
Day 1
Group
Value
95% CI
Part A: SAD: Lumasiran 1.0 mg/kg
7.0655
± 0.37379
Part A: SAD: Lumasiran 3.0 mg/kg
5.9798
± 1.52471
Part A: SAD: Lumasiran 6.0 mg/kg
3.4683
± NA
Part B: MAD: Lumasiran 1.0 mg/kg qM
3.2670
± 1.52759
Part B: MAD: Lumasiran 3.0 mg/kg qM
5.4574
± 3.49432
Part B: MAD: Lumasiran 3.0 mg/kg q3M
7.8028
± NA
Day 57
Group
Value
95% CI
Part B: MAD: Lumasiran 1.0 mg/kg qM
7.8090
± 4.52009
Part B: MAD: Lumasiran 3.0 mg/kg qM
5.8356
± 3.12156
Day 85
Group
Value
95% CI
Part B: MAD: Lumasiran 3.0 mg/kg q3M
4.6694
± NA
Fraction Excreted in Urine in 24 Hours (Fe0-24) of LumasiranSecondary· Part A (SAD): Day 1: pooled urine 0-4 h, 4-8 h and 8-24 h; Part B (MAD): Part B (MAD phase): Days 1 and 57 for qM dosing and Days 1 and 85 for q3M dosing: pooled urine 0-4 h, 4-8 h, 8-12 h and 12-24 h
Samples for Part A were collected only on Day 1; Part B on Days 1 and 57 for qM and on Days 1 and 85 for q3M arm groups.
Day 1
Group
Value
95% CI
Part A: SAD: Lumasiran 0.3 mg/kg
17.4219
± 2.44129
Part A: SAD: Lumasiran 1.0 mg/kg
19.0713
± 3.88914
Part A: SAD: Lumasiran 3.0 mg/kg
21.0472
± 5.36667
Part A: SAD: Lumasiran 6.0 mg/kg
25.7931
± 3.25937
Part B: MAD: Lumasiran 1.0 mg/kg qM
11.0895
± 3.74207
Part B: MAD: Lumasiran 3.0 mg/kg qM
11.1877
± 6.07719
Part B: MAD: Lumasiran 3.0 mg/kg q3M
7.1691
± 2.37465
Day 57
Group
Value
95% CI
Part B: MAD: Lumasiran 1.0 mg/kg qM
9.4698
± 4.21949
Part B: MAD: Lumasiran 3.0 mg/kg qM
12.4604
± 4.02897
Day 85
Group
Value
95% CI
Part B: MAD: Lumasiran 3.0 mg/kg q3M
13.6938
± 3.60004
Renal Clearance (CLR) of LumasiranSecondary· Part A (SAD): Day 1: pooled urine 0-4 h, 4-8 h and 8-24 h; Part B (MAD): Part B (MAD phase): Days 1 and 57 for qM dosing and Days 1 and 85 for q3M dosing: pooled urine 0-4 h, 4-8 h, 8-12 h and 12-24 h
Samples for Part A were collected only on Day 1; Part B on Days 1 and 57 for qM and on Days 1 and 85 for q3M arm groups.
Day 1
Group
Value
95% CI
Part A: SAD: Lumasiran 0.3 mg/kg
8.7817
± NA
Part A: SAD: Lumasiran 1.0 mg/kg
5.4906
± 2.07402
Part A: SAD: Lumasiran 3.0 mg/kg
5.8211
± 1.31377
Part A: SAD: Lumasiran 6.0 mg/kg
6.3417
± 1.15497
Part B: MAD: Lumasiran 1.0 mg/kg qM
2.2612
± 1.17616
Part B: MAD: Lumasiran 3.0 mg/kg qM
2.3818
± 1.13067
Part B: MAD: Lumasiran 3.0 mg/kg q3M
2.0564
± 1.20600
Day 57
Group
Value
95% CI
Part B: MAD: Lumasiran 1.0 mg/kg qM
1.9610
± 1.11228
Part B: MAD: Lumasiran 3.0 mg/kg qM
2.5150
± 0.80386
Day 85
Group
Value
95% CI
Part B: MAD: Lumasiran 3.0 mg/kg q3M
3.3663
± 1.18371
Baseline Plasma Glycolate ConcentrationSecondary· Part A (SAD): Baseline, Part B (MAD): Baseline
The pharmacodynamic (PD) outcome measure of plasma glycolate concentration could only be calculated for Part A. Due to an issue with the plasma glycolate assay at the testing laboratory the data for Part B could not be calculated.
Group
Value
95% CI
Part A: SAD: Placebo
5.1
± 1.73
Part A: SAD: Lumasiran 0.3 mg/kg
5.3
± 1.51
Part A: SAD: Lumasiran 1.0 mg/kg
5.7
± 1.97
Part A: SAD: Lumasiran 3.0 mg/kg
6.2
± 2.56
Part A: SAD: Lumasiran 6.0 mg/kg
4.8
± 1.72
Percentage Change From Baseline in Plasma Glycolate ConcentrationSecondary· Part A (SAD): Days 15, 29, 57 and 85; Part B (MAD): Days 15, 29, 57, 85
The PD outcome measure of plasma glycolate concentration could only be calculated for Part A. Due to an issue with the plasma glycolate assay at the testing laboratory the data for Part B could not be calculated.
Day 15
Group
Value
95% CI
Part A: SAD: Placebo
18.3
± 67.19
Part A: SAD: Lumasiran 0.3 mg/kg
58.3
± 55.29
Part A: SAD: Lumasiran 1.0 mg/kg
48.5
± 82.99
Part A: SAD: Lumasiran 3.0 mg/kg
56.4
± 28.50
Part A: SAD: Lumasiran 6.0 mg/kg
59.5
± 49.00
Day 29
Group
Value
95% CI
Part A: SAD: Placebo
22.4
± 46.83
Part A: SAD: Lumasiran 0.3 mg/kg
32.9
± 57.67
Part A: SAD: Lumasiran 1.0 mg/kg
70.6
± 82.74
Part A: SAD: Lumasiran 3.0 mg/kg
146.4
± 81.99
Part A: SAD: Lumasiran 6.0 mg/kg
390.1
± 270.40
Day 57
Group
Value
95% CI
Part A: SAD: Placebo
126.7
± 242.68
Part A: SAD: Lumasiran 0.3 mg/kg
66.3
± 38.07
Part A: SAD: Lumasiran 1.0 mg/kg
109.8
± 124.29
Part A: SAD: Lumasiran 3.0 mg/kg
230.1
± 180.36
Part A: SAD: Lumasiran 6.0 mg/kg
730.4
± 439.54
Day 85
Group
Value
95% CI
Part A: SAD: Placebo
31.2
± 131.04
Part A: SAD: Lumasiran 0.3 mg/kg
15.6
± 100.54
Part A: SAD: Lumasiran 1.0 mg/kg
40.7
± 110.75
Part A: SAD: Lumasiran 3.0 mg/kg
196.2
± 152.41
Part A: SAD: Lumasiran 6.0 mg/kg
731.3
± 375.02
Baseline Spot Urine Glycolate:Creatinine Ratio in Part ASecondary· Part A (SAD): Baseline
The endpoint was only measured in Part A.
Group
Value
95% CI
Part A: SAD: Placebo
12.4
± 4.63
Part A: SAD: Lumasiran 0.3 mg/kg
15.7
± 4.27
Part A: SAD: Lumasiran 1.0 mg/kg
15.7
± 3.14
Part A: SAD: Lumasiran 3.0 mg/kg
13.0
± 3.52
Part A: SAD: Lumasiran 6.0 mg/kg
14.8
± 4.31
Percentage Change From Baseline in Spot Urine Glycolate:Creatinine Ratio in Part ASecondary· Part A (SAD): Days 29 and 57
The endpoint was only measured in Part A.
Day 29
Group
Value
95% CI
Part A: SAD: Placebo
8.1
± 43.42
Part A: SAD: Lumasiran 0.3 mg/kg
32.5
± 22.6
Part A: SAD: Lumasiran 1.0 mg/kg
82.9
± 65.00
Part A: SAD: Lumasiran 3.0 mg/kg
109.1
± 66.51
Part A: SAD: Lumasiran 6.0 mg/kg
210.5
± 199.30
Day 57
Group
Value
95% CI
Part A: SAD: Placebo
73.8
± 108.9
Part A: SAD: Lumasiran 0.3 mg/kg
38.0
± 50.62
Part A: SAD: Lumasiran 1.0 mg/kg
47.8
± 41.03
Part A: SAD: Lumasiran 3.0 mg/kg
215.0
± 178.72
Part A: SAD: Lumasiran 6.0 mg/kg
310.7
± 94.51
Baseline of 24 Hour Urine Oxalate Corrected for BSA in Part BSecondary· Part B (MAD): Baseline
The endpoint was only measured in Part B.
Group
Value
95% CI
Part B: MAD: Placebo
1.96
± 0.321
Part B: MAD: Lumasiran 1.0 mg/kg qM
1.73
± 0.696
Part B: MAD: Lumasiran 3.0 mg/kg qM
1.84
± 0.621
Part B: MAD: Lumasiran 3.0 mg/kg q3M
1.30
± 0.350
Adverse events — posted to ClinicalTrials.gov
Time frame: Part A (SAD phase): Up to 405 days; Part B (MAD phase): Up to 546 days.
Reporting threshold: 0%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of single-ascending doses (SAD) and multiple-ascending doses (MAD) of lumasiran in healthy adult volunteers and subjects with primary hyperoxaluria type 1 (PH1). In Part A, single ascending dose (SAD) part, healthy adults were dosed with lumasiran or placebo once. In Part B, multiple ascending doses (MAD) part, patients with primary hyperoxaluria type 1 (PH1) were dosed with lumasiran or placebo. All patients that initially received placebo received lumasiran after completing placebo dosing.
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
NCT06225544 — Lumasiran in Hyperoxalaemic Patients on Haemodialysis
· Phase 2
· recruiting
NCT05161936 — A Study to Evaluate Lumasiran in Adults With Recurrent Calcium Oxalate Kidney Stone Disease and Elevated Urinary Oxalate
· Phase 2
· terminated
NCT04152200 — A Study to Evaluate Lumasiran in Patients With Advanced Primary Hyperoxaluria Type 1
· Phase 3
· completed
NCT03905694 — A Study of Lumasiran in Infants and Young Children With Primary Hyperoxaluria Type 1
· Phase 3
· completed
NCT03681184 — A Study to Evaluate Lumasiran in Children and Adults With Primary Hyperoxaluria Type 1
· Phase 3
· completed
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Publications: Europe PMC API search by NCT ID, retrieved 9 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Alnylam Pharmaceuticals
Last refreshed: 30 January 2020
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT02706886.