50 and older, any sex, with Arthroplasty, Replacement, Knee. 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 Total Venous Thromboembolism (VTE) (CEC-adjudicated)Primary· Up to Day 14
Total VTE was defined as the composite of clinical events committee (CEC)-adjudicated proximal and/or distal Deep Vein Thrombosis (DVT) (asymptomatic confirmed by venography assessment of the operated leg or objectively confirmed symptomatic), nonfatal pulmonary embolism (PE), or any death.
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
7
JNJ-70033093 50 mg Once Daily + Placebo
30
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
27
JNJ-70033093 50 mg BID
14
JNJ-70033093 200 mg Once Daily + Placebo
8
JNJ-70033093 100 mg + Placebo BID
12
JNJ-70033093 200 mg BID
10
Enoxaparin 40 mg Once Daily
54
Number of Participants With Any Bleeding Event (CEC-adjudicated)Secondary· Up to Day 14; Up to Day 52
Any bleeding was defined as the composite of major bleeding according to the International Society on Thrombosis and Haemostasis (ISTH) criteria modified for the surgical setting, clinically relevant nonmajor bleeding events, or minimal bleeding events as assessed by the CEC.
Up to Day 14
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
8
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
2
JNJ-70033093 50 mg BID
7
JNJ-70033093 200 mg Once Daily + Placebo
11
JNJ-70033093 100 mg + Placebo BID
7
JNJ-70033093 200 mg BID
6
Enoxaparin 40 mg Once Daily
12
Up to Day 52
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
8
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
2
JNJ-70033093 50 mg BID
7
JNJ-70033093 200 mg Once Daily + Placebo
11
JNJ-70033093 100 mg + Placebo BID
7
JNJ-70033093 200 mg BID
6
Enoxaparin 40 mg Once Daily
12
Number of Participants With Total VTE (CEC-adjudicated)Secondary· Up to Day 52
Total VTE was defined as the composite of (CEC-adjudicated) proximal and/or DVT (asymptomatic confirmed by venography assessment of the operated leg or objectively confirmed symptomatic), nonfatal PE, or any death.
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
7
JNJ-70033093 50 mg Once Daily + Placebo
30
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
27
JNJ-70033093 50 mg BID
14
JNJ-70033093 200 mg Once Daily + Placebo
8
JNJ-70033093 100 mg + Placebo BID
12
JNJ-70033093 200 mg BID
10
Enoxaparin 40 mg Once Daily
54
Number of Participants With Composite of Major and Clinically Relevant Nonmajor Bleeding (CRNM) Events (CEC-adjudicated)Secondary· Up to Day 14, Up to Day 52
Composite of Major bleeding event (BE): Fatal bleeding; bleeding that is symptomatic and occurs in critical area/organ and/or; extrasurgical site bleeding causing fall in Hemoglobin (Hb) level of 20 grams per liter (g/L) or more, or leading to transfusion of 2 or more units of whole blood or red cells with temporal association within 24-48 hours to bleeding, and/or; surgical site bleeding that requires second intervention open, arthroscopic, endovascular,or hemarthrosis resulting in prolonged hospitalization, deep wound infection and/or either unexpected and prolonged and/or sufficiently large
Up to Day 14
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
2
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
2
JNJ-70033093 200 mg Once Daily + Placebo
1
JNJ-70033093 100 mg + Placebo BID
1
JNJ-70033093 200 mg BID
1
Enoxaparin 40 mg Once Daily
5
Up to Day 52
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
2
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
2
JNJ-70033093 200 mg Once Daily + Placebo
2
JNJ-70033093 100 mg + Placebo BID
1
JNJ-70033093 200 mg BID
1
Enoxaparin 40 mg Once Daily
5
Number of Participants With Major Bleeding Events (CEC-adjudicated)Secondary· Up to Day 14; Up to Day 52
Number of participants with major BE (adjudicated by CEC) were reported. Major Bleeding events were defined as: fatal bleeding; bleeding that is symptomatic and occurs in critical area/organ and/or; extrasurgical site bleeding causing fall in Hb level of 20 g/L or more, or leading to transfusion of 2 or more units of whole blood or red cells with temporal association within 24-48 hours to bleeding, and/or; requires second intervention open, arthroscopic, endovascular, or hemarthrosis resulting in prolonged hospitalization or a deep wound infection and/or; either unexpected and prolonged and/or
Up to Day 14
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
0
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
0
JNJ-70033093 200 mg Once Daily + Placebo
0
JNJ-70033093 100 mg + Placebo BID
0
JNJ-70033093 200 mg BID
0
Enoxaparin 40 mg Once Daily
1
Up to Day 52
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
0
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
0
JNJ-70033093 200 mg Once Daily + Placebo
0
JNJ-70033093 100 mg + Placebo BID
0
JNJ-70033093 200 mg BID
0
Enoxaparin 40 mg Once Daily
1
Number of Participants With CRNM Bleeding Events (CEC-adjudicated)Secondary· Up to Day 14; Up to Day 52
Number of participants with CRNM bleeding events (adjudicated by CEC) were reported. CRNM bleeding: acute clinically overt bleeding that does not satisfy additional criteria required for bleeding event to be defined as major BE is still considered clinically relevant for example: epistaxis, gastrointestinal bleed, hematuria, bruising/ecchymosis, hemoptysis, hematoma.
Up to Day 14
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
2
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
2
JNJ-70033093 200 mg Once Daily + Placebo
1
JNJ-70033093 100 mg + Placebo BID
1
JNJ-70033093 200 mg BID
1
Enoxaparin 40 mg Once Daily
4
Up to Day 52
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
2
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
2
JNJ-70033093 200 mg Once Daily + Placebo
2
JNJ-70033093 100 mg + Placebo BID
1
JNJ-70033093 200 mg BID
1
Enoxaparin 40 mg Once Daily
4
Number of Participants With Minimal Bleeding Events (CEC-adjudicated)Secondary· Up to Day 14; Up to Day 52
Number of participants with minimal bleeding events (adjudicated by CEC) were reported. Minimal bleeding event was defined as any bleeding event not met major or CRNM criteria. CRNM bleeding: acute clinically overt bleeding that does not satisfy additional criteria required for bleeding event to be defined as major BE is still considered clinically relevant for example: epistaxis, gastrointestinal bleed, hematuria, bruising/ecchymosis, hemoptysis, hematoma.
Up to Day 14
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
6
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
2
JNJ-70033093 50 mg BID
5
JNJ-70033093 200 mg Once Daily + Placebo
8
JNJ-70033093 100 mg + Placebo BID
7
JNJ-70033093 200 mg BID
4
Enoxaparin 40 mg Once Daily
8
Up to Day 52
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
6
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
2
JNJ-70033093 50 mg BID
5
JNJ-70033093 200 mg Once Daily + Placebo
9
JNJ-70033093 100 mg + Placebo BID
7
JNJ-70033093 200 mg BID
5
Enoxaparin 40 mg Once Daily
8
Number of Participants With Major or CRNM Bleeding Events (CEC-adjudicated)Secondary· Up to Day 14; Up to Day 52
Major Bleeding events were defined as: fatal bleeding; bleeding that is symptomatic and occurs in critical area/organ and/or; extrasurgical site bleeding causing fall in Hb level of 20 g/L or more, or leading to transfusion of 2 or more units of whole blood or red cells with temporal association within 24-48 hours to bleeding, and/or; requires second intervention open, arthroscopic, endovascular, or hemarthrosis resulting in prolonged hospitalization or a deep wound infection and/or; either unexpected and prolonged and/or sufficiently large to cause hemodynamic instability. CRNM bleeding: acut
Up to Day 14
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
2
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
2
JNJ-70033093 200 mg Once Daily + Placebo
1
JNJ-70033093 100 mg + Placebo BID
1
JNJ-70033093 200 mg BID
1
Enoxaparin 40 mg Once Daily
5
Up to Day 52
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
2
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
2
JNJ-70033093 200 mg Once Daily + Placebo
2
JNJ-70033093 100 mg + Placebo BID
1
JNJ-70033093 200 mg BID
1
Enoxaparin 40 mg Once Daily
5
Number of Participants With Major VTE (CEC-adjudicated)Secondary· Up to Day 52
Number of participants with major VTE (adjudicated by CEC) were reported. Major VTE was defined as a composite of proximal DVT (asymptomatic confirmed by venography or objectively confirmed symptomatic), nonfatal PE, or any death.
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
2
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
1
JNJ-70033093 50 mg BID
1
JNJ-70033093 200 mg Once Daily + Placebo
0
JNJ-70033093 100 mg + Placebo BID
2
JNJ-70033093 200 mg BID
0
Enoxaparin 40 mg Once Daily
4
Number of Participants With Major VTE (CEC-adjudicated)Secondary· Up to Day 14
Number of participants with major VTE (adjudicated by CEC) were reported. Major VTE was defined as a composite of proximal DVT (asymptomatic confirmed by venography or objectively confirmed symptomatic), nonfatal PE, or any death.
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
2
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
1
JNJ-70033093 50 mg BID
1
JNJ-70033093 200 mg Once Daily + Placebo
0
JNJ-70033093 100 mg + Placebo BID
2
JNJ-70033093 200 mg BID
0
Enoxaparin 40 mg Once Daily
4
Number of Participants With Proximal Deep Vein Thrombosis (DVT) (CEC-adjudicated)Secondary· Up to Day 14
Number of participants with proximal DVT (adjudicated by CEC) were reported. DVT asymptomatic confirmed by venography assessment of the operated leg or objectively confirmed symptomatic.
Asymptomatic
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
0
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
0
JNJ-70033093 200 mg Once Daily + Placebo
0
JNJ-70033093 100 mg + Placebo BID
0
JNJ-70033093 200 mg BID
0
Enoxaparin 40 mg Once Daily
1
Symptomatic
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
0
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
0
JNJ-70033093 200 mg Once Daily + Placebo
0
JNJ-70033093 100 mg + Placebo BID
0
JNJ-70033093 200 mg BID
0
Enoxaparin 40 mg Once Daily
0
Number of Participants With Proximal DVT (CEC-adjudicated)Secondary· Up to Day 52
Number of participants with proximal DVT (CEC-adjudicated) were reported. DVT asymptomatic confirmed by venography assessment of the operated leg or objectively confirmed symptomatic.
Asymptomatic
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
0
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
0
JNJ-70033093 200 mg Once Daily + Placebo
0
JNJ-70033093 100 mg + Placebo BID
0
JNJ-70033093 200 mg BID
0
Enoxaparin 40 mg Once Daily
1
Symptomatic
Group
Value
95% CI
JNJ-70033093 25 mg Once Daily + Placebo
0
JNJ-70033093 50 mg Once Daily + Placebo
0
JNJ-70033093 25 mg + Placebo Twice Daily (BID)
0
JNJ-70033093 50 mg BID
0
JNJ-70033093 200 mg Once Daily + Placebo
0
JNJ-70033093 100 mg + Placebo BID
0
JNJ-70033093 200 mg BID
0
Enoxaparin 40 mg Once Daily
0
Adverse events — posted to ClinicalTrials.gov
Time frame: Up to 6 weeks.
Reporting threshold: 5%.
Adverse-event reports describe events observed during the trial — not all are caused by the drug.
The purpose of this study is to determine the efficacy of JNJ-70033093 in preventing total venous thromboembolism (VTE) events (proximal and/or distal deep vein thrombosis \[DVT\] \[asymptomatic confirmed by venography assessment or objectively confirmed symptomatic\], nonfatal pulmonary embolism \[PE\], or any death) during the treatment period.
Publications & conference data
8 peer-reviewed publications reference this trial (live from Europe PMC):
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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 Janssen Research & Development, LLC
Last refreshed: 30 March 2025
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/NCT03891524.