Deep Vein ThrombosisPhase 3ADVANCE-2NCT00452530
Study of an Investigational Drug for the Prevention of Thrombosis-related Events Following Knee Replacement Surgery
A Phase 3 study testing Enoxaparin and Apixaban in people with Deep Vein Thrombosis and Pulmonary Embolism, run by Bristol-Myers Squibb at 122 sites in 27 countries.
Trial summary
The purpose of this study is to learn whether apixaban prevents the development of blood clots in the leg (deep vein thrombosis) and lung (pulmonary embolism), which sometimes occur after knee replacement surgery, and to compare the efficacy of apixaban with that of enoxaparin (Lovenox®) in the prevention of these… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Deep Vein Thrombosis, Pulmonary Embolism
- What is being tested?
- Enoxaparin and Apixaban
- Type of treatment
- Pill or oral medicine, Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 3,221 participants
- Where
- 122 sitesin 27 countries
- Study dates
- Jun 2007to Jan 2009
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Patients scheduled for either elective unilateral or same-day bilateral total knee replacement surgery (TKR) or a revision of at least 1 component of a TKR
- Patients willing and able to undergo bilateral ascending contrast venography
Who cannot join
- Known or suspected hereditary or acquired bleeding or coagulation disorders in the participant or his or her first-degree relative
- Known or suspected history of heparin-induced thrombocytopenia
- Known coagulopathy
- Active bleeding or at high risk for bleeding
- Brain, spinal, ophthalmologic, or major surgery or trauma within the past 90 days
- Active hepatobiliary disease
Show all 14Show fewer
- Alcohol and/or substance abuse within the past year
- Any condition for which, in the opinion of the investigator, surgery or administration of an anticoagulant was contraindicated
- Two consecutive blood pressure readings within 15 to 30 minutes with supine systolic blood pressure >180 mm Hg or supine diastolic blood pressure >105 mm Hg
- Clinically significant laboratory abnormalities at the enrollment visit:
- Hemoglobin <10 g/dL
- Platelet count <100,000/mm^3
- Creatinine clearance <30 mL/min, as estimated by the method of Cockcroft and Gault
- Alanine aminotransferase or aspartate aminotransferase level >2*upper limit of normal (ULN) or a total bilirubin ≥1.5*ULN (unless an alternative causative factor such as Gilbert's syndrome was identified)
Trial locations and contacts
122 sites in 27 countries.
122 sites in 27 countries
Germany10 sites
Local Institution
Bad Mergentheim, 97980
Local Institution
Bochum, 44791
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Brandenburg, 14770
Local Institution
Dresden, 01307
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Frankfurt, 65929
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Frankfurt am Main, 60528
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Halle/S, 06112
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Kremmen Ot Sommerfeld, 16766
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Rheinfelden, 79618
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Witten, 58455
Russia10 sites
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Chelyabinsk, 454021
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Kazan', 420029
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Lipetsk, 398035
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Moscow, 115522
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Rostov-on-Don, 344010
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Saint Petersburg, 193312
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Saint Petersburg, 194354
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Saint Petersburg, 195427
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Saint Petersburg, 199106
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Samara, 443095
Austria7 sites
Local Institution
Graz, 8036
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Innsbruck, 6020
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Linz, 4010
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Vienna, 1090
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Vienna, 1130
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Wels, 4600
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Wiener Neustadt, 2700
South Africa7 sites
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Johannesburg, Gauteng, 2031
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Johannesburg, Gauteng, 2193
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Pretoria, Gauteng, 0083
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Randburg, Free State, 2194
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Somerset West, Western Cape, 7130
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Tygerberg, Western Cape, 7505
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Worcester, Western Cape, 6850
Spain7 sites
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Badalona-Barcelona, 08916
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Barcelona, 08006
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Barcelona, 08024
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Barcelona, 08035
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Madrid, 28034
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Santiago de Compostela, 15706
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Valencia, 46010
Ukraine7 sites
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Cherkassy, 18009
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Chernivtsy, 58013
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Dnipropetrovsk, 49005
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Ivano-Frankivsk, 76008
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Kyiv, 01601
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Kyiv, 04107
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Sevastopol, 99018
China6 sites
Local Institution
Beijing, Beijing Municipality, 100035
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Beijing, Beijing Municipality, 100835
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Qingdao, Shandong, 266003
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Shanghai, Shanghai Municipality, 200011
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Shanghai, Shanghai Municipality, 200025
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Shanghai, Shanghai Municipality, 200233
France6 sites
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Monaco, 98000
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Nice, 06200
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Paris, 75014
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Paris, 75019
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Paris, 75679
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Saint-Saulve, 59880
Czechia5 sites
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Brno, 662 50
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Chomutov, 430 12
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Pardubice, 532 03
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Prague, 180 81
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Uherské Hradiště, 686 68
India5 sites
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Ahmedabad, Gujarat, 380054
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Bangalore, 560034
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Baroda, 390007
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Ludhiana, Punjab, 141001
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Mangalore, 575001
Israel5 sites
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Jeruselem, 91031
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Petah Tikva, 49372
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Safed, 13110
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Tel Aviv, 64239
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Tel HaShomer, 52621
Italy5 sites
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Abano Terme (Pd), 35031
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Bologna, 40136
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Pordenone, 33170
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Roma, 00168
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San Donato Milanese (Mi), 20097
Mexico5 sites
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Aguascalientes, Aguascalientes, 20010
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Hermosillo, Sonora, 83190
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San Luis Potosí City, San Luis Potosí, 78340
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Veracruz, Veracruz, 91700
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Zapopan, Jalisco, 45200
Colombia4 sites
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Bogotá, XXXXX
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Bogotá
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Cali
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Medellín
Denmark4 sites
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Hellerup, 2900
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Hvidovre, 2650
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Kolding, 6000
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Viborg, 8800
Poland4 sites
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Bytom, 41-902
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Gdansk, 80-803
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Warsaw, 03-242
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Wroclaw, 50-556
South Korea4 sites
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Jeonnam, 519-809
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Seoul, 110-744
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Seoul, 136-705
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Seoul, 138-736
Norway3 sites
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Ålesund, 6026
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Gjettum, 1346
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Kongsvinger, 2212
Philippines3 sites
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Manila, 1000
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Quezon City, 1102
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Quezon City, 1114
Brazil2 sites
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Belo Horizonte - Mg, Minas Gerais, 30130
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São Paulo, São Paulo, 04023
Chile2 sites
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Santiago, Santiago Metropolitan, 7500922
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Santiago, Santiago Metropolitan, 8330033
Hungary2 sites
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Szeged, 6725
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Szekszárd, 7100
Malaysia2 sites
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Kuala Lumpur, Kuala Lumpur, 50586
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Kuala Lumpur, Kuala Lumpur, 56000
Singapore2 sites
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Singapore, 169608
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Singapore, 529889
United Kingdom2 sites
Local Institution
Epsom, Surrey, KT18 7EG
Local Institution
London, Greater London, SE5 9PJ
About this study
Official title: A Phase 3, Randomized, Double-blind, Active-controlled (Enoxaparin 40 mg QD), Parallel-group, Multi-center Study to Evaluate the Safety and Efficacy of Apixaban in Subjects Undergoing Elective Total Knee Replacement Surgery (The ADVANCE - 2 Study)
The purpose of this study is to learn whether apixaban prevents the development of blood clots in the leg (deep vein thrombosis) and lung (pulmonary embolism), which sometimes occur after knee replacement surgery, and to compare the efficacy of apixaban with that of enoxaparin (Lovenox®) in the prevention of these clots. The safety of apixaban will also be studied.
- Conditions
- Deep Vein Thrombosis, Pulmonary Embolism
- Being tested
- Enoxaparin, Apixaban, Enoxaparin-matching placebo, Apixaban-matching placebo
- Keywords
- Prevention of deep vein thrombosis and pulmonary embolism after total knee replacement surgery
- Medical subject headings
- Venous Thrombosis, Pulmonary Embolism
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
EnoxaparinDrug
Also called Lovenox®
40 mg, administered once daily by subcutaneous injection, for 12 days
ApixabanDrug
Also called BMS-562247
2.5 mg, administered twice daily as tablets, for 12 days
Enoxaparin-matching placeboDrug
Administered once daily by subcutaneous injection
Apixaban-matching placeboDrug
Oral tablet administered twice daily
| Study group | Role | What they receive |
|---|---|---|
| Apixaban, 2.5 mg BID + Placebo | Experimental | Participants received apixaban, 2.5-mg tablets twice daily (BID), plus a matching enoxaparin-placebo injection 12 (±3) hours prior to hip-replacement surgery through 11 (±2) days after the day of surgery. Receives: Drug: Apixaban; Drug: Enoxaparin-matching placebo |
| Enoxaparin, 40 mg QD + Placebo | Active comparator | Participants received enoxaparin, 40-mg subcutaneous injection once daily (QD), plus a matching apixaban-placebo tablet 12 (±3) hours prior to hip-replacement surgery through 11 (±2) days after the day of surgery. Receives: Drug: Enoxaparin; Drug: Apixaban-matching placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
Rate of Adjudicated Venous Thromboembolic Event-related and All-cause Deaths With Onset During the Intended-treatment Period
Event rate=Number of events divided by the number of patients evaluated. Intended treatment period starts on the day of randomization, and for those who received study drug, ends at the later of 2 days after last dose or 14 days after the first dose of study drug; for randomized patients who did not receive study drug, the period ends 14 days after randomization.Venous thromboembolic event (VTE)=nonfatal pulmonary embolism (PE), symptomatic deep vein thrombosis (DVT), or asymptomatic proximal DVT detected by ultrasound. VTE-related death=fatal PE or sudden death for which VTE could not be excluded as a cause.
Measured: Day of randomization to later of 2 days after last dose or 14 days after first dose; 14 days after randomization for those who did not receive study drug
Secondary outcomes (3)
Rate of Adjudicated Proximal Deep Vein Thrombosis (DVT), Nonfatal Pulmonary Embolism, and Venous Thromboembolic Event-related Death With Onset During the Intended Treatment Period
Event rate=Number of events divided by the number of patients evaluated. Intended treatment period starts on the day of randomization, and for those who received study drug, ends at the later of 2 days after last dose or 14 days after the first dose of study drug; for randomized patients who did not receive study drug, the period ends 14 days after randomization; for randomized patients who did not receive study drug, the period ends 14 days after randomization. Venous thromboembolic event (VTE)=nonfatal pulmonary embolism (PE), symptomatic DVT, or asymptomatic proximal DVT detected by ultrasound. VTE-related death=fatal PE or sudden death for which VTE could not be excluded as a cause.
Measured: Day of randomization to later of 2 days after last dose or 14 days after first dose; 14 days after randomization for those who did not receive study
Rate of Major Bleeding, Clinically Relevant Nonmajor Bleeding (CRNM), and Major Bleeding or CRNM
Event rate=Number of events divided by number of patients evaluated. Adjusted difference of event rates takes into consideration type of surgery as a stratification factor. Bleeding Criteria: Major bleeding=an event consisting of clinically overt bleeding accompanied by a decrease in hemoglobin of 2 g/dL or more and/or a transfusion of 2 or more units of packed red blood cells; bleeding that occurred in at least 1 of the following critical sites: intracranial, intraspinal, intraocular (within the corpus of the eye; a conjunctival bleed is not an intraocular bleed), pericardial, intra-articular, intramuscular with compartment syndrome, and retroperitoneal; bleeding that was fatal. CRNM bleeding= clinically overt bleeding; that satisfies none of the additional criteria required for the event to be adjudicated as a major bleeding event; that led to either hospital admission for bleeding, physician-guided medical or surgical treatment for bleeding; or a change in antithrombic treatment.
Measured: Days 1 to 12
Number of Participants With Serious Adverse Events (SAE), Bleeding Adverse Events (AEs), Discontinuations Due to AEs, and Death as Outcome
AE=any new unfavorable symptom, sign, or disease or worsening of a preexisting condition that may not have a causal relationship with treatment. SAE=a medical event that at any dose results in death, persistent or significant disability/incapacity, or drug dependency/abuse; is life-threatening, an important medical event, or a congenital anomaly/birth defect; or requires or prolongs hospitalization. Bleeding AEs=all serious or nonserious bleeding-related AEs.
Measured: Days 1 through 12 + 2 days (nonserious AEs, bleeding AES) or 30 days (SAES, deaths) after last dose of study drug
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted27 Mar 2007 (estimated)
- Study startJun 2007
- Primary completionJan 2009
- Study completionJan 2009
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for Deep Vein ThrombosisStudies of the same condition, open and under way.
- More trials run by Bristol-Myers SquibbThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 3,221 participants (actual)
Sponsor and investigators
- Lead sponsor
- Bristol-Myers Squibb
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Bristol-Myers Squibb, Study director, Bristol-Myers Squibb
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00452530
- Sponsor's protocol ID
- CV185-047
- Other IDs
- EUdraCT: 2006-006896-19
- Acronym
- ADVANCE-2
- Status last verified
- Jul 2014
- First submitted
- 23 Mar 2007
- Last updated
- 9 Jul 2014
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
Publications
Jamieson MJ, Byon W, Dettloff RW, Crawford M, Gargalovic PS, Merali SJ, Onorato J, Quintero AJ, Russ C. Apixaban Use in Obese Patients: A Review of the Pharmacokinetic, Interventional, and Observational Study Data. Am J Cardiovasc Drugs. 2022 Nov;22(6):615-631. doi: 10.1007/s40256-022-00524-x. Epub 2022 May 16.
PubMed 35570249Pineo GF, Gallus AS, Raskob GE, Chen D, Ramirez LM, Ramacciotti E, Lassen MR, Wang L. Apixaban after hip or knee arthroplasty versus enoxaparin: efficacy and safety in key clinical subgroups. J Thromb Haemost. 2013 Mar;11(3):444-51. doi: 10.1111/jth.12109.
PubMed 23279103Lassen MR, Raskob GE, Gallus A, Pineo G, Chen D, Hornick P; ADVANCE-2 investigators. Apixaban versus enoxaparin for thromboprophylaxis after knee replacement (ADVANCE-2): a randomised double-blind trial. Lancet. 2010 Mar 6;375(9717):807-15. doi: 10.1016/S0140-6736(09)62125-5.
PubMed 20206776
Study at a glance
From the registry record, last updated by the sponsor on 9 Jul 2014. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase 3, Randomized, Double-blind, Active-controlled (Enoxaparin 40 mg QD), Parallel-group, Multi-center Study to Evaluate the Safety and Efficacy of Apixaban in Subjects Undergoing Elective Total Knee Replacement Surgery (The ADVANCE - 2 Study)
- ClinicalTrials.gov ID
- NCT00452530
- Acronym / sponsor ID
- ADVANCE-2 / CV185-047
- Conditions
- Deep Vein Thrombosis, Pulmonary Embolism
- Keywords
- Prevention of deep vein thrombosis and pulmonary embolism after total knee replacement surgery
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 3,221 participants (actual)
- Lead sponsor
- Bristol-Myers SquibbIndustry (pharma, biotech, devices)
- Study start
- Jun 2007
- Primary completion
- Jan 2009 (actual)
- Study completion
- Jan 2009 (actual)
- First posted
- 27 Mar 2007 (estimated)
- Results
- Posted 13 May 2014
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to learn whether apixaban prevents the development of blood clots in the leg (deep vein thrombosis) and lung (pulmonary embolism), which sometimes occur after knee replacement surgery, and to compare the efficacy of apixaban with that of enoxaparin (Lovenox®) in the prevention of these clots. The safety of apixaban will also be studied.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Apixaban, 2.5 mg BID + Placebo | Experimental | Drug: Apixaban, Drug: Enoxaparin-matching placeboParticipants received apixaban, 2.5-mg tablets twice daily (BID), plus a matching enoxaparin-placebo injection 12 (±3) hours prior to hip-replacement surgery through 11 (±2) days after the day of surgery. |
| Enoxaparin, 40 mg QD + Placebo | Active comparator | Drug: Enoxaparin, Drug: Apixaban-matching placeboParticipants received enoxaparin, 40-mg subcutaneous injection once daily (QD), plus a matching apixaban-placebo tablet 12 (±3) hours prior to hip-replacement surgery through 11 (±2) days after the day of surgery. |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Patients scheduled for either elective unilateral or same-day bilateral total knee replacement surgery (TKR) or a revision of at least 1 component of a TKR
- Patients willing and able to undergo bilateral ascending contrast venography
Key exclusion criteria (14 listed)
- Known or suspected hereditary or acquired bleeding or coagulation disorders in the participant or his or her first-degree relative
- Known or suspected history of heparin-induced thrombocytopenia
- Known coagulopathy
- Active bleeding or at high risk for bleeding
- Brain, spinal, ophthalmologic, or major surgery or trauma within the past 90 days
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| EnoxaparinAlso: Lovenox®40 mg, administered once daily by subcutaneous injection, for 12 days | Drug | Enoxaparin, 40 mg QD + Placebo |
| ApixabanAlso: BMS-5622472.5 mg, administered twice daily as tablets, for 12 days | Drug | Apixaban, 2.5 mg BID + Placebo |
| Enoxaparin-matching placeboAdministered once daily by subcutaneous injection | Drug | Apixaban, 2.5 mg BID + Placebo |
| Apixaban-matching placeboOral tablet administered twice daily | Drug | Enoxaparin, 40 mg QD + Placebo |
Primary outcome
Rate of Adjudicated Venous Thromboembolic Event-related and All-cause Deaths With Onset During the Intended-treatment Period
Time frame: Day of randomization to later of 2 days after last dose or 14 days after first dose; 14 days after randomization for those who did not receive study drug
Event rate=Number of events divided by the number of patients evaluated. Intended treatment period starts on the day of randomization, and for those who received study drug, ends at the later of 2 days after last dose or 14 days after the first dose of study drug; for randomized patients who did not receive study drug, the period ends 14 days after randomization.Venous thromboembolic event (VTE)=nonfatal pulmonary embolism (PE), symptomatic deep vein thrombosis (DVT), or asymptomatic proximal DVT detected by ultrasound. VTE-related death=fatal PE or sudden death for which VTE could not be excluded as a cause.
3 secondary outcomes
Rate of Adjudicated Proximal Deep Vein Thrombosis (DVT), Nonfatal Pulmonary Embolism, and Venous Thromboembolic Event-related Death With Onset During the Intended Treatment Period
Time frame: Day of randomization to later of 2 days after last dose or 14 days after first dose; 14 days after randomization for those who did not receive study
Rate of Major Bleeding, Clinically Relevant Nonmajor Bleeding (CRNM), and Major Bleeding or CRNM
Time frame: Days 1 to 12
Number of Participants With Serious Adverse Events (SAE), Bleeding Adverse Events (AEs), Discontinuations Due to AEs, and Death as Outcome
Time frame: Days 1 through 12 + 2 days (nonserious AEs, bleeding AES) or 30 days (SAES, deaths) after last dose of study drug
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 9 Jul 2014.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 35570249Jamieson MJ, Byon W, Dettloff RW, Crawford M, Gargalovic PS, Merali SJ, Onorato J, Quintero AJ, Russ C. Apixaban Use in Obese Patients: A Review of the Pharmacokinetic, Interventional, and Observational Study Data. Am J Cardiovasc Drugs. 2022 Nov;22(6):615-631. doi: 10.1007/s40256-022-00524-x. Epub 2022 May 16.
- Derived from this study: PubMed 23279103Pineo GF, Gallus AS, Raskob GE, Chen D, Ramirez LM, Ramacciotti E, Lassen MR, Wang L. Apixaban after hip or knee arthroplasty versus enoxaparin: efficacy and safety in key clinical subgroups. J Thromb Haemost. 2013 Mar;11(3):444-51. doi: 10.1111/jth.12109.
- Derived from this study: PubMed 20206776Lassen MR, Raskob GE, Gallus A, Pineo G, Chen D, Hornick P; ADVANCE-2 investigators. Apixaban versus enoxaparin for thromboprophylaxis after knee replacement (ADVANCE-2): a randomised double-blind trial. Lancet. 2010 Mar 6;375(9717):807-15. doi: 10.1016/S0140-6736(09)62125-5.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Bristol-Myers Squibb study director
Bristol-Myers Squibb
122 sites in 27 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Enoxaparin and Apixaban in people with Deep Vein Thrombosis and Pulmonary Embolism, run by Bristol-Myers Squibb at 122 sites in 27 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 9 Jul 2014. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 122 sites in Germany, Russia, Austria, South Africa, Spain and 22 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 13 May 2014). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Rate of Adjudicated Venous Thromboembolic Event-related and All-cause Deaths With Onset During the Intended-treatment Period (time frame: Day of randomization to later of 2 days after last dose or 14 days after first dose; 14 days after randomization for those who did not receive study drug). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00452530, which also lists 3 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Jul 2014.