Cardiovascular DiseasesPhase 3NCT00000505
Thrombolysis in Myocardial Infarction (TIMI)
A Phase 3 study testing tissue plasminogen activator and angioplasty, transluminal, percutaneous coronary in people with Cardiovascular Diseases and Coronary Disease, run by National Heart, Lung, and Blood Institute (NHLBI).
Trial summary
In TIMI I, to assess the relative thrombolytic activity and side effects of intravenous recombinant tissue-type plasminogen activator (rt-PA) versus intravenous streptokinase in patients with acute myocardial infarction. Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Cardiovascular Diseases, Coronary Disease, Heart Diseases
- What is being tested?
- tissue plasminogen activator and angioplasty, transluminal, percutaneous coronary
- Type of treatment
- Surgery or procedure
- How many people
- Not given
- Where
- No sites listed yet
- Study dates
- Apr 1983to Dec 1990
- Phase
- Phase 3
- Are there results?
- None posted in the registry
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 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Men and women under age 76. Patients had acute myocardial infarction.
About this study
In TIMI I, to assess the relative thrombolytic activity and side effects of intravenous recombinant tissue-type plasminogen activator (rt-PA) versus intravenous streptokinase in patients with acute myocardial infarction. In TIMI II, to assess whether intravenous rt-PA given in the early hours of acute myocardial infarction should be followed by percutaneous transluminal coronary angioplasty (PTCA).
Read the detailed description
BACKGROUND:
Coronary artery disease is the leading cause of death in the United States, accounting for almost 500,000 deaths each year. Studies have confirmed that myocardial infarction is related to an occlusive coronary thrombus in up to 80 percent of patients. First and second-generation thrombolytic agents (including streptokinase and rt-PA) have been successfully used to restore myocardial blood flow where thrombus has occluded an infarct-related coronary artery. However, further clinical investigation was necessary to determine the most suitable thrombolytic agent dose and method of administration, the risk of subsequent reocclusion, restenosis, and/or myocardial infarction, the need for additional therapies, and the likelihood of benefit or hemorrhagic complications.
In 1983 the National Heart, Lung, and Blood Institute established the TIMI Study Group. The group consisted of 13 clinical centers (later expanded to 24), a Radiographic Core Laboratory, Radionuclide Core Laboratory, and a Data Coordinating Center.
DESIGN NARRATIVE:
The TIMI trial was conducted in two stages. In Phase I or TIMI I, eligible patients were randomized to receive either 80 mg of recombinant tissue-type plasminogen activator (rt-PA) or 1.5 million units of streptokinase intravenously to determine relative safety and efficacy. Following randomization, patients found to have angiographically documented stenosis greater than 50 percent in the infarct-related artery received thrombolytic therapy in a double-blind fashion, full anticoagulation, and conventional care. Patients subsequently underwent repeat catheterization, radionuclide ventriculogram, and pre-discharge, six-week and six-month cardiovascular examination.
TIMI I was stopped in February 1985 because of statistically significant differences in coronary reperfusion rates in the treatment groups; rt-PA was found to be the superior thrombolytic agent. Following TIMI Phase I, the manufacturer of rt-PA changed to a large-scale production method for rt-PA, and the new product was found to have thrombolytic activity and specificity in vitro and in experimental animals comparable to the product manufactured by the old method. However, the TIMI investigators concluded that clinical evaluation would be necessary prior to initiation of TIMI Phase II.
Thus, TIMI Open Label Phase studies were initiated in 1985, with the aim of establishing the safety and efficacy of the 'new' intravenous rt-PA. As in Phase I, the endpoint was lysis of coronary thrombus within 90 minutes of the initiation of treatment in patients with documented total occlusion of the infarct-related coronary artery. Additional goals of the study were to determine reocclusion rates of infarct-related arteries at 18-48 hours, as well as to determine the efficacy of PTCA to maintain perfusion in infarct-related arteries and prevention of recurrent myocardial infarction. The TIMI Open Label Phase studies determined that optimal coronary recanalization and maintenance of reperfusion occurred with 150 mg of 'new' rt-PA infused over six hours. However, subsequent hemorrhagic complications observed with 150 mg rt-PA necessitated a change in the dose of rt-PA to 100 mg.
In TIMI II, patient entry began in April 1986 and ended in June 1988 with enrollment of 3,534 patients. Patients were treated with intravenous rt-PA within four hours of the onset of chest pain thought to be caused by myocardial infarction and randomly assigned to an invasive strategy or a conservative strategy. The primary endpoint was survival free of recurrent myocardial infarction at six weeks and one year of follow-up. There were 1,681 patients assigned to the delayed invasive strategy in which catheterization was performed between 18 and 48 hours after rt-PA therapy. If catheterization showed a greater than 60 percent subtotal stenosis of the infarct-related artery that was considered to be technically approachable, angioplasty was attempted. Angioplasty was performed in 60.5 percent of the 1,500 patients who underwent catheterization in the invasive strategy group. The remaining 39.5 percent or 593 patients did not have angioplasty performed. There were 1,658 patients assigned to a conservative strategy in which cardiac catheterization was reserved for the 587 patients who had spontaneous or exercise-induced myocardial ischemia within 21 days of infarction. A total of 13.5 percent of patients in this arm underwent coronary angioplasty, 7.6 percent underwent bypass surgery, and 1.1 percent underwent both procedures; 77 percent of the patients in the conservative strategy group had no revascularization procedure within 21 days of infarction.
TIMI IIA, a subtrial of 586 patients, investigated whether immediate cardiac catheterization with percutaneous transluminal coronary angioplasty, when appropriate, would confer an advantage over the same procedure performed 18 to 48 hours later. All patients were treated with intravenous rt-PA within four hours of the onset of acute myocardial infarction.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
- Conditions
- Cardiovascular Diseases, Coronary Disease, Heart Diseases, Myocardial Infarction, Myocardial Ischemia
- Being tested
- tissue plasminogen activator, angioplasty, transluminal, percutaneous coronary
- Medical subject headings
- Cardiovascular Diseases, Coronary Disease, Heart Diseases, Myocardial Infarction, Myocardial Ischemia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
tissue plasminogen activatorDrug
angioplasty, transluminal, percutaneous coronaryProcedure or surgery
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted28 Oct 1999 (estimated)
- Study startApr 1983
- Study completionDec 1990
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (61)Papers the sponsor has linked to this study.
- Other trials for Cardiovascular DiseasesStudies of the same condition, open and under way.
- More trials run by National Heart, Lung, and Blood Institute (NHLBI)The 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
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
- Investigators
- Joseph Babb, Bridgeport HospitalJeffery Borer, Weill Medical College of Cornell UniversityBernard Chaitman, St. Louis University Medical CenterJames Chesebro, Mayo FoundationRichard Davison, Northwestern UniversityHarold Dodge, University of WashingtonFrederick Feit, NYU Langone HealthCharles Francis, Yale University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00000505
- Sponsor's protocol ID
- 24
- Other IDs
- R01HL042311
- Status last verified
- Jul 2000
- First submitted
- 27 Oct 1999
- Last updated
- 16 Mar 2016
- Results posted
- No
Publications
TIMI Study Group. The Thrombolysis in Myocardial Infarction (TIMI) trial. Phase I findings. N Engl J Med. 1985 Apr 4;312(14):932-6. doi: 10.1056/NEJM198504043121437. No abstract available.
PubMed 4038784Hillis LD, Borer J, Braunwald E, Chesebro JH, Cohen LS, Dalen J, Dodge HT, Francis CK, Knatterud G, Ludbrook P, et al. High dose intravenous streptokinase for acute myocardial infarction: preliminary results of a multicenter trial. J Am Coll Cardiol. 1985 Nov;6(5):957-62. doi: 10.1016/s0735-1097(85)80294-1.
PubMed 4045046Williams DO, Borer J, Braunwald E, Chesebro JH, Cohen LS, Dalen J, Dodge HT, Francis CK, Knatterud G, Ludbrook P, et al. Intravenous recombinant tissue-type plasminogen activator in patients with acute myocardial infarction: a report from the NHLBI thrombolysis in myocardial infarction trial. Circulation. 1986 Feb;73(2):338-46. doi: 10.1161/01.cir.73.2.338.
PubMed 3080261Braunwald E, Knatterud GL, Passamani ER, Robertson TL. Announcement of protocol change in thrombolysis in myocardial infarction trial. J Am Coll Cardiol. 1987 Feb;9(2):467. doi: 10.1016/s0735-1097(87)80407-2. No abstract available.
PubMed 3100602Sheehan FH, Braunwald E, Canner P, Dodge HT, Gore J, Van Natta P, Passamani ER, Williams DO, Zaret B. The effect of intravenous thrombolytic therapy on left ventricular function: a report on tissue-type plasminogen activator and streptokinase from the Thrombolysis in Myocardial Infarction (TIMI Phase I) trial. Circulation. 1987 Apr;75(4):817-29. doi: 10.1161/01.cir.75.4.817.
PubMed 3103950Chesebro JH, Knatterud G, Roberts R, Borer J, Cohen LS, Dalen J, Dodge HT, Francis CK, Hillis D, Ludbrook P, et al. Thrombolysis in Myocardial Infarction (TIMI) Trial, Phase I: A comparison between intravenous tissue plasminogen activator and intravenous streptokinase. Clinical findings through hospital discharge. Circulation. 1987 Jul;76(1):142-54. doi: 10.1161/01.cir.76.1.142.
PubMed 3109764Mueller HS, Rao AK, Forman SA. Thrombolysis in myocardial infarction (TIMI): comparative studies of coronary reperfusion and systemic fibrinogenolysis with two forms of recombinant tissue-type plasminogen activator. J Am Coll Cardiol. 1987 Sep;10(3):479-90. doi: 10.1016/s0735-1097(87)80188-2.
PubMed 3114349Knatterud GL, Forman SA. Patient recruitment experience in the Thrombolysis in Myocardial Infarction Trial. Control Clin Trials. 1987 Dec;8(4 Suppl):86S-93S. doi: 10.1016/0197-2456(87)90011-0.
PubMed 3126024Bovill E: Dose Response Relationship of rt-PA Infusion to Induction of Systemic Fibrin(ogen)olysis in the Thrombolysis in Myocardial Infarction (TIMI) Trial. Blood, 70(Suppl 1) 367a, 1987.
Williams DO, Ruocco NA, Forman S. Coronary angioplasty after recombinant tissue-type plasminogen activator in acute myocardial infarction: a report from the Thrombolysis in Myocardial Infarction (TIMI) Trial. J Am Coll Cardiol. 1987 Nov;10(5 Suppl B):45B-50B. doi: 10.1016/s0735-1097(87)80428-x.
PubMed 2959715Passamani E, Hodges M, Herman M, Grose R, Chaitman B, Rogers W, Forman S, Terrin M, Knatterud G, Robertson T, et al. The Thrombolysis in Myocardial Infarction (TIMI) phase II pilot study: tissue plasminogen activator followed by percutaneous transluminal coronary angioplasty. J Am Coll Cardiol. 1987 Nov;10(5 Suppl B):51B-64B. doi: 10.1016/s0735-1097(87)80429-1.
PubMed 2889758Rao AK, Pratt C, Berke A, Jaffe A, Ockene I, Schreiber TL, Bell WR, Knatterud G, Robertson TL, Terrin ML. Thrombolysis in Myocardial Infarction (TIMI) Trial--phase I: hemorrhagic manifestations and changes in plasma fibrinogen and the fibrinolytic system in patients treated with recombinant tissue plasminogen activator and streptokinase. J Am Coll Cardiol. 1988 Jan;11(1):1-11. doi: 10.1016/0735-1097(88)90158-1.
PubMed 3121710Immediate vs delayed catheterization and angioplasty following thrombolytic therapy for acute myocardial infarction. TIMI II A results. The TIMI Research Group. JAMA. 1988 Nov 18;260(19):2849-58. doi: 10.1001/jama.1988.03410190097031.
PubMed 2972848Dalen JE, Gore JM, Braunwald E, Borer J, Goldberg RJ, Passamani ER, Forman S, Knatterud G. Six- and twelve-month follow-up of the phase I Thrombolysis in Myocardial Infarction (TIMI) trial. Am J Cardiol. 1988 Aug 1;62(4):179-85. doi: 10.1016/0002-9149(88)90208-1.
PubMed 3135737Rogers WJ, Bourge RC, Papapietro SE, Wackers FJ, Zaret BL, Forman S, Dodge HT, Robertson TL, Passamani ER, Braunwald E, et al. Variables predictive of good functional outcome following thrombolytic therapy in the Thrombolysis in Myocardial Infarction phase II (TIMI II) pilot study. Am J Cardiol. 1989 Mar 1;63(9):503-12. doi: 10.1016/0002-9149(89)90889-8.
PubMed 2521976
Study at a glance
From the registry record, last updated by the sponsor on 16 Mar 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Thrombolysis in Myocardial Infarction (TIMI)
- ClinicalTrials.gov ID
- NCT00000505
- Acronym / sponsor ID
- 24
- Conditions
- Cardiovascular Diseases, Coronary Disease, Heart Diseases, Myocardial Infarction, Myocardial Ischemia
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)US National Institutes of Health
- Study start
- Apr 1983
- Study completion
- Dec 1990 (actual)
- First posted
- 28 Oct 1999 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
In TIMI I, to assess the relative thrombolytic activity and side effects of intravenous recombinant tissue-type plasminogen activator (rt-PA) versus intravenous streptokinase in patients with acute myocardial infarction. In TIMI II, to assess whether intravenous rt-PA given in the early hours of acute myocardial infarction should be followed by percutaneous transluminal coronary angioplasty (PTCA).
Detailed description
BACKGROUND:
Coronary artery disease is the leading cause of death in the United States, accounting for almost 500,000 deaths each year. Studies have confirmed that myocardial infarction is related to an occlusive coronary thrombus in up to 80 percent of patients. First and second-generation thrombolytic agents (including streptokinase and rt-PA) have been successfully used to restore myocardial blood flow where thrombus has occluded an infarct-related coronary artery. However, further clinical investigation was necessary to determine the most suitable thrombolytic agent dose and method of administration, the risk of subsequent reocclusion, restenosis, and/or myocardial infarction, the need for additional therapies, and the likelihood of benefit or hemorrhagic complications.
In 1983 the National Heart, Lung, and Blood Institute established the TIMI Study Group. The group consisted of 13 clinical centers (later expanded to 24), a Radiographic Core Laboratory, Radionuclide Core Laboratory, and a Data Coordinating Center.
DESIGN NARRATIVE:
The TIMI trial was conducted in two stages. In Phase I or TIMI I, eligible patients were randomized to receive either 80 mg of recombinant tissue-type plasminogen activator (rt-PA) or 1.5 million units of streptokinase intravenously to determine relative safety and efficacy. Following randomization, patients found to have angiographically documented stenosis greater than 50 percent in the infarct-related artery received thrombolytic therapy in a double-blind fashion, full anticoagulation, and conventional care. Patients subsequently underwent repeat catheterization, radionuclide ventriculogram, and pre-discharge, six-week and six-month cardiovascular examination.
TIMI I was stopped in February 1985 because of statistically significant differences in coronary reperfusion rates in the treatment groups; rt-PA was found to be the superior thrombolytic agent. Following TIMI Phase I, the manufacturer of rt-PA changed to a large-scale production method for rt-PA, and the new product was found to have thrombolytic activity and specificity in vitro and in experimental animals comparable to the product manufactured by the old method. However, the TIMI investigators concluded that clinical evaluation would be necessary prior to initiation of TIMI Phase II.
Thus, TIMI Open Label Phase studies were initiated in 1985, with the aim of establishing the safety and efficacy of the 'new' intravenous rt-PA. As in Phase I, the endpoint was lysis of coronary thrombus within 90 minutes of the initiation of treatment in patients with documented total occlusion of the infarct-related coronary artery. Additional goals of the study were to determine reocclusion rates of infarct-related arteries at 18-48 hours, as well as to determine the efficacy of PTCA to maintain perfusion in infarct-related arteries and prevention of recurrent myocardial infarction. The TIMI Open Label Phase studies determined that optimal coronary recanalization and maintenance of reperfusion occurred with 150 mg of 'new' rt-PA infused over six hours. However, subsequent hemorrhagic complications observed with 150 mg rt-PA necessitated a change in the dose of rt-PA to 100 mg.
In TIMI II, patient entry began in April 1986 and ended in June 1988 with enrollment of 3,534 patients. Patients were treated with intravenous rt-PA within four hours of the onset of chest pain thought to be caused by myocardial infarction and randomly assigned to an invasive strategy or a conservative strategy. The primary endpoint was survival free of recurrent myocardial infarction at six weeks and one year of follow-up. There were 1,681 patients assigned to the delayed invasive strategy in which catheterization was performed between 18 and 48 hours after rt-PA therapy. If catheterization showed a greater than 60 percent subtotal stenosis of the infarct-related artery that was considered to be technically approachable, angioplasty was attempted. Angioplasty was performed in 60.5 percent of the 1,500 patients who underwent catheterization in the invasive strategy group. The remaining 39.5 percent or 593 patients did not have angioplasty performed. There were 1,658 patients assigned to a conservative strategy in which cardiac catheterization was reserved for the 587 patients who had spontaneous or exercise-induced myocardial ischemia within 21 days of infarction. A total of 13.5 percent of patients in this arm underwent coronary angioplasty, 7.6 percent underwent bypass surgery, and 1.1 percent underwent both procedures; 77 percent of the patients in the conservative strategy group had no revascularization procedure within 21 days of infarction.
TIMI IIA, a subtrial of 586 patients, investigated whether immediate cardiac catheterization with percutaneous transluminal coronary angioplasty, when appropriate, would confer an advantage over the same procedure performed 18 to 48 hours later. All patients were treated with intravenous rt-PA within four hours of the onset of acute myocardial infarction.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
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 |
|---|---|---|
| tissue plasminogen activator | Drug | – |
| angioplasty, transluminal, percutaneous coronary | Procedure or surgery | – |
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 16 Mar 2016.
- Background: PubMed 4038784TIMI Study Group. The Thrombolysis in Myocardial Infarction (TIMI) trial. Phase I findings. N Engl J Med. 1985 Apr 4;312(14):932-6. doi: 10.1056/NEJM198504043121437. No abstract available.
- Background: PubMed 4045046Hillis LD, Borer J, Braunwald E, Chesebro JH, Cohen LS, Dalen J, Dodge HT, Francis CK, Knatterud G, Ludbrook P, et al. High dose intravenous streptokinase for acute myocardial infarction: preliminary results of a multicenter trial. J Am Coll Cardiol. 1985 Nov;6(5):957-62. doi: 10.1016/s0735-1097(85)80294-1.
- Background: PubMed 3080261Williams DO, Borer J, Braunwald E, Chesebro JH, Cohen LS, Dalen J, Dodge HT, Francis CK, Knatterud G, Ludbrook P, et al. Intravenous recombinant tissue-type plasminogen activator in patients with acute myocardial infarction: a report from the NHLBI thrombolysis in myocardial infarction trial. Circulation. 1986 Feb;73(2):338-46. doi: 10.1161/01.cir.73.2.338.
- Background: PubMed 3100602Braunwald E, Knatterud GL, Passamani ER, Robertson TL. Announcement of protocol change in thrombolysis in myocardial infarction trial. J Am Coll Cardiol. 1987 Feb;9(2):467. doi: 10.1016/s0735-1097(87)80407-2. No abstract available.
- Background: PubMed 3103950Sheehan FH, Braunwald E, Canner P, Dodge HT, Gore J, Van Natta P, Passamani ER, Williams DO, Zaret B. The effect of intravenous thrombolytic therapy on left ventricular function: a report on tissue-type plasminogen activator and streptokinase from the Thrombolysis in Myocardial Infarction (TIMI Phase I) trial. Circulation. 1987 Apr;75(4):817-29. doi: 10.1161/01.cir.75.4.817.
- Background: PubMed 3109764Chesebro JH, Knatterud G, Roberts R, Borer J, Cohen LS, Dalen J, Dodge HT, Francis CK, Hillis D, Ludbrook P, et al. Thrombolysis in Myocardial Infarction (TIMI) Trial, Phase I: A comparison between intravenous tissue plasminogen activator and intravenous streptokinase. Clinical findings through hospital discharge. Circulation. 1987 Jul;76(1):142-54. doi: 10.1161/01.cir.76.1.142.
- Background: PubMed 3114349Mueller HS, Rao AK, Forman SA. Thrombolysis in myocardial infarction (TIMI): comparative studies of coronary reperfusion and systemic fibrinogenolysis with two forms of recombinant tissue-type plasminogen activator. J Am Coll Cardiol. 1987 Sep;10(3):479-90. doi: 10.1016/s0735-1097(87)80188-2.
- Background: PubMed 3126024Knatterud GL, Forman SA. Patient recruitment experience in the Thrombolysis in Myocardial Infarction Trial. Control Clin Trials. 1987 Dec;8(4 Suppl):86S-93S. doi: 10.1016/0197-2456(87)90011-0.
- BackgroundBovill E: Dose Response Relationship of rt-PA Infusion to Induction of Systemic Fibrin(ogen)olysis in the Thrombolysis in Myocardial Infarction (TIMI) Trial. Blood, 70(Suppl 1) 367a, 1987.
- Background: PubMed 2959715Williams DO, Ruocco NA, Forman S. Coronary angioplasty after recombinant tissue-type plasminogen activator in acute myocardial infarction: a report from the Thrombolysis in Myocardial Infarction (TIMI) Trial. J Am Coll Cardiol. 1987 Nov;10(5 Suppl B):45B-50B. doi: 10.1016/s0735-1097(87)80428-x.
- Background: PubMed 2889758Passamani E, Hodges M, Herman M, Grose R, Chaitman B, Rogers W, Forman S, Terrin M, Knatterud G, Robertson T, et al. The Thrombolysis in Myocardial Infarction (TIMI) phase II pilot study: tissue plasminogen activator followed by percutaneous transluminal coronary angioplasty. J Am Coll Cardiol. 1987 Nov;10(5 Suppl B):51B-64B. doi: 10.1016/s0735-1097(87)80429-1.
- Background: PubMed 3121710Rao AK, Pratt C, Berke A, Jaffe A, Ockene I, Schreiber TL, Bell WR, Knatterud G, Robertson TL, Terrin ML. Thrombolysis in Myocardial Infarction (TIMI) Trial--phase I: hemorrhagic manifestations and changes in plasma fibrinogen and the fibrinolytic system in patients treated with recombinant tissue plasminogen activator and streptokinase. J Am Coll Cardiol. 1988 Jan;11(1):1-11. doi: 10.1016/0735-1097(88)90158-1.
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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.
Joseph Babb
Bridgeport Hospital
Jeffery Borer
Weill Medical College of Cornell University
Bernard Chaitman
St. Louis University Medical Center
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing tissue plasminogen activator and angioplasty, transluminal, percutaneous coronary in people with Cardiovascular Diseases and Coronary Disease, run by National Heart, Lung, and Blood Institute (NHLBI).
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
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 16 Mar 2016. Status can change between updates, so confirm with the study contact before making plans.
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?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00000505, which also lists 61 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 16 Mar 2016; AzTrials last refreshed its copy on 3 Nov 2026.