Study of Efficacy, Safety, Tolerability and Quality of Life of Inclisiran (KJX839) vs Placebo, on Top of Ongoing Individually Optimized Lipid-lowering Therapy, in Participants With Hypercholesterolemia
CompletedPhase 4Results postedLast updated 14 April 2026
What this trial tests
Phase 4 trial testing Inclisiran Sodium in Hypercholesterolemia in 1,770 participants. Completed in 19 March 2025.
Adults 18 to 99, any sex, with Hypercholesterolemia. 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 Achieving Individual LDL-C Target (<55 mg/dL or <70 mg/dL)Primary· Day 90
Number of participants achieving individual Low-density Lipoprotein Cholesterol (LDL-C) target (\< 55 mg/dL or \< 70 mg/dL) at Day 90. The individual LDL-C target of the participants was determined according to their most recent individual cardiovascular risk category. A larger proportion of participants indicates a superior outcome.
Group
Value
95% CI
Inclisiran
752
Placebo
266
Relative Change From Baseline to Mean LDL-C Level Over the Double-blind Treatment PeriodSecondary· Baseline to Day 360
Relative (percentage) change from baseline in Low-density Lipoprotein Cholesterol (LDL-C) level averaged over the double-blind treatment period
Group
Value
95% CI
Inclisiran
-59.45
-60.79 – -58.11
Placebo
-24.31
-25.68 – -22.93
Number of Participants Experiencing at Least One Muscle-related Adverse Event From Day 1 to Day 360Secondary· Day 1 to Day 360
The number of participants who experienced at least one muscle-related adverse event, defined as Standardized MedDRA Queries (SMQ) rhabdomyolysis / myopathy from Day 1 to Day 360. All muscle-related adverse events occurring between first dose of double-blind treatment and earliest date out of visit Day 360, death date and last contact date are considered.
Group
Value
95% CI
Inclisiran
107
Placebo
167
Number of Participants Experiencing Self-reported PainSecondary· Day 1 to Day 360
Self-reported pain is reported at its worst in the last 24 h on a numeric rating scale from 0 (no pain) to 10 (pain as bad as you can imagine). Days with a score of 0 are considered as days without pain.
The percentage of days with pain for each participant is calculated as number of days with pain divided by the total number of days where diary was completed, multiplied by 100.
Diary data between the first dose of double-blind treatment up to the minimum of last contact date and Day 360 visit are considered.
Percentage of days with pain: 0%
Group
Value
95% CI
Inclisiran
143
Placebo
98
Percentage of days with pain: >0-20%
Group
Value
95% CI
Inclisiran
189
Placebo
177
Percentage of days with pain: >20-40%
Group
Value
95% CI
Inclisiran
45
Placebo
71
Percentage of days with pain: >40-60%
Group
Value
95% CI
Inclisiran
60
Placebo
44
Percentage of days with pain: >60-80%
Group
Value
95% CI
Inclisiran
48
Placebo
48
Percentage of days with pain: >80%
Group
Value
95% CI
Inclisiran
409
Placebo
432
Percentage of days with pain: Missing
Group
Value
95% CI
Inclisiran
4
Placebo
2
Annualized Number of Days With PainSecondary· Day 1 to Day 360
Annualized rate refers to the estimated number of days with pain per year.
Self-reported pain is reported at its worst in the last 24 h on a numeric rating scale from 0 (no pain) to 10 (pain as bad as you can imagine). Days with a score of 0 are considered as days without pain.
Group
Value
95% CI
Inclisiran
198.63
180.46 – 218.62
Placebo
214.51
194.63 – 236.42
Average Absolute Change From Baseline in Short-Form Brief Pain Inventory (SF-BPI) Pain Severity Score Over the Double-blind Treatment PeriodSecondary· Baseline to Day 360
The Short-Form Brief Pain Inventory (SF-BPI) is a self-administered standardized fifteen items questionnaire that assesses how pain interferes with or influences a participant's life. The query period covers the past 24 hours and takes 5 minutes for the participant to complete.
The pain severity score was derived for each visit between screening and EOT/EOS (Day 360) as the average over the 4 items in the pain severity domain (questionnaire items number 3, 4, 5, 6). The derived pain severity score ranged between 0 (no pain) and 10 (pain as bad as you can imagine), with larger values indicatin
Group
Value
95% CI
Inclisiran
-0.21
-0.30 – -0.13
Placebo
-0.10
-0.19 – -0.02
Average Absolute Change From Baseline in Short-Form Brief Pain Inventory (SF-BPI) Pain Interference Score Over the Double-blind Treatment PeriodSecondary· Baseline to Day 360
The Short-Form Brief Pain Inventory (SF-BPI) is a self-administered standardized fifteen items questionnaire that assesses how pain interferes with or influences a participant's life. The query period covers the past 24 hours and takes 5 minutes for the participant to complete.
The pain interference score was derived for each visit between screening and EOT/EOS (Day 360) as the average over the 7 items in the pain interference domain (questionnaire items number 9A through 9G). The derived pain interference score ranged between 0 (does not interfere) and 10 (completely interferes), with larger
Group
Value
95% CI
Inclisiran
-0.06
-0.14 – 0.02
Placebo
0.05
-0.03 – 0.13
Number of Participants With Clinically Relevant Change in Short-Form Brief Pain Inventory (SF-BPI) Pain Severity Score From Baseline to Day 360.Secondary· Baseline to Day 360
The Short-Form Brief Pain Inventory (SF-BPI) is a self-administered standardized fifteen items questionnaire that assesses how pain interferes with or influences a participant's life. The query period covers the past 24 hours and takes 5 minutes for the participant to complete.
The pain severity score was derived for each visit between screening and EOT/EOS (Day 360) as the average over the 4 items in the pain severity domain (questionnaire items number 3, 4, 5, 6). The derived pain severity score ranged between 0 (no pain) and 10 (pain as bad as you can imagine), with larger values indicatin
Group
Value
95% CI
Inclisiran
123
Placebo
104
Number of Participants With Clinically Relevant Change in Short-Form Brief Pain Inventory (SF-BPI) Pain Interference Score From Baseline to Day 360Secondary· Baseline to Day 360
The SF-BPI is a self-administered standardized fifteen items questionnaire that assesses how pain interferes with or influences a participant's life. The query period covers the past 24 hours and takes 5 minutes for the participant to complete.
The pain interference score was derived for each visit between screening and EOT/EOS (Day 360) as the average over the 7 items in the pain interference domain (questionnaire items number 9A through 9G). The derived pain interference score ranged between 0 (does not interfere) and 10 (completely interferes), with larger values indicating a higher level
Group
Value
95% CI
Inclisiran
87
Placebo
70
Adverse events — posted to ClinicalTrials.gov
Time frame: Treatment-emergent adverse events were reported in the clinical database from first dose of study treatment until the study completion visit, up to a planned maximum duration of 360 days..
Reporting threshold: 1.999%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
Inclisiran
Serious: 148/900 (16%)
Deaths: 6/900
Placebo
Serious: 148/870 (17%)
Deaths: 5/870
Total
Serious: 296/1770 (17%)
Deaths: 11/1770
Serious adverse events (229 terms)
Reaction
System
Inclisiran
Placebo
Total
Atrial fibrillation
Cardiac disorders
—
—
—
Osteoarthritis
Musculoskeletal and connective tissue disorders
—
—
—
Angina pectoris
Cardiac disorders
—
—
—
Peripheral arterial occlusive disease
Vascular disorders
—
—
—
Coronary artery disease
Cardiac disorders
—
—
—
Pneumonia
Infections and infestations
—
—
—
Angina unstable
Cardiac disorders
—
—
—
COVID-19
Infections and infestations
—
—
—
Cardiac failure
Cardiac disorders
—
—
—
Myocardial infarction
Cardiac disorders
—
—
—
Chest pain
General disorders and administration site conditions
Study of efficacy, safety, tolerability and quality of life of inclisiran (KJX839) vs placebo, on top of ongoing individually optimized lipid-lowering therapy, in participants with hypercholesterolemia
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
NCT03814187 — Trial to Assess the Effect of Long Term Dosing of Inclisiran in Subjects With High CV Risk and Elevated LDL-C
· Phase 3
· completed
NCT03399370 — Inclisiran for Participants With Atherosclerotic Cardiovascular Disease and Elevated Low-density Lipoprotein Cholesterol
· Phase 3
· completed
NCT03400800 — Inclisiran for Subjects With ASCVD or ASCVD-Risk Equivalents and Elevated Low-density Lipoprotein Cholesterol
· Phase 3
· completed
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Publications: Europe PMC API search by NCT ID, retrieved 10 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 Novartis Pharmaceuticals
Last refreshed: 14 April 2026
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/NCT05192941.