Clot Lysis: Evaluating Accelerated Resolution of Intraventricular Hemorrhage Phase III (CLEAR III)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00784134 |
Recruitment Status :
Completed
First Posted : November 2, 2008
Results First Posted : July 2, 2017
Last Update Posted : December 5, 2018
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Intraventricular Hemorrhage | Drug: Alteplase Other: Normal saline | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 500 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Clot Lysis: Evaluating Accelerated Resolution of Intraventricular Hemorrhage Phase III |
Study Start Date : | July 2009 |
Actual Primary Completion Date : | July 2015 |
Actual Study Completion Date : | January 2016 |

Arm | Intervention/treatment |
---|---|
Experimental: Alteplase
administration of alteplase via the intraventricular catheter
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Drug: Alteplase
1.0 mg of alteplase will be administered via the intraventricular catheter every 8 hours for up to 12 doses
Other Names:
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Placebo Comparator: Saline Placebo
1 ml of normal saline administered via the intraventricular catheter
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Other: Normal saline
1 ml of normal saline will be administered via the intraventricular catheter every 8 hours for up to 12 doses |
- Participants With Modified Rankin Scale (mRS) <=3 - Dichotomized Analysis [ Time Frame: 180 days ]Analysis modified on September 29, 2015 to account for adaptive randomization. The modified Rankin Scale (mRS) is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Participant Score on the Modified Rankin Scale (mRS) - Ordinal Analysis [ Time Frame: 180 days ]The modified Rankin Scale (mRS) is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Participants With Modified Rankin Scale (mRS) <=4 - Dichotomized Analysis [ Time Frame: 180 days ]The modified Rankin Scale (mRS) is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Random Effects Assessment of Site Effect on Modified Rankin Scale (mRS) <= 3 [ Time Frame: 180 days ]The modified Rankin Scale (mRS) is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Longitudinal Assessment of Participants With Modified Rankin Scale (mRS) <=3 [ Time Frame: 30 days and 180 days ]Comparing longitudinal modified Rankin Scale (mRS) scores 0-3 at Day 30 and Day 180. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- All Cause Mortality [ Time Frame: 180 days ]
- Clot Removal (Amount of Residual Blood) [ Time Frame: 72 hours ]Change in blood volume measured between stability scan and end of treatment scan
- Intensity of Critical Care Management - Hospital Days [ Time Frame: 30 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Intensity of Critical Care Management - ICU Days [ Time Frame: 30 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Intensity of Critical Care Management - ICP Management [ Time Frame: 30 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Intensity of Critical Care Management - Mechanical Ventilation [ Time Frame: 30 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Intensity of Critical Care Management - Pressors [ Time Frame: 30 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Intensity of Critical Care Management - Shunts [ Time Frame: 30 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Intensity of Critical Care Management - All Infections [ Time Frame: 30 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Intensity of Critical Care Management - Pneumonia [ Time Frame: 30 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Intensity of Critical Care Management - All Infections [ Time Frame: 180 days ]Intensity of critical care management as measured by hospital and ICU length of stay, frequency of ICP >20 mmHg events, use of mechanical ventilation, pressors, and ventriculoperitioneal shunts, frequency of systemic infections.
- Safety/Mortality - Mortality Within 30 Days [ Time Frame: 30 days ]Frequency of bacterial brain infections, symptomatic brain bleeds, and mortality.
- Safety/Mortality - Bacterial Brain Infections Within 30 Days [ Time Frame: 30 days ]Frequency of bacterial brain infections, symptomatic brain bleeds, and mortality.
- Safety/Mortality - Systematic Bleeds Within 72 Hours [ Time Frame: 72 hours ]Frequency of bacterial brain infections, symptomatic brain bleeds, and mortality.
- Safety/Mortality - Systematic Bleeds Within 30 Days [ Time Frame: 30 days ]Frequency of bacterial brain infections, symptomatic brain bleeds, and mortality.
- Adverse and Serious Adverse Events [ Time Frame: 180 days ]Assessment of number of adverse and serious adverse events by treatment group.
- Predicting Hazards of Death by Treatment Group [ Time Frame: 180 days ]Cox Proportional Hazards Model is used to predict the hazards ratio by treatment group.
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by Race (African-American) [ Time Frame: 180 days ]Assessment of modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by Race (White) [ Time Frame: 180 days ]Assessment of modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by Gender (Female) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by Gender (Male) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by Age (65 Years or Under) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by Age (Over 65 Years) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by IVH Size (Less Than 20ml) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by IVH Size (20-50ml) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by IVH Size (Greater Than 50ml) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by Location (Thalamic) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Sub-Group Analyses - Difference in Modified Rankin Scale (mRS) 0-3 Proportion by Location (Non-Thalamic) [ Time Frame: 180 days ]Assessment of Modified Rankin Scale (mRS) score 0-3 compared by race, gender, age, IVH size, and ICH location. The mRS is a commonly used scale for measuring the degree of disability or dependence in the daily activities of people who have suffered a stroke or other causes of neurological disability. It is scored from 0 (perfect health without symptoms) to 6 (death).
- Functional Status - Barthel Index [ Time Frame: 180 days ]Assessment of NIHSS, Barthel Index, eGOS (dichotomy and ordinal) by group. The Barthel Index (BI) assesses ten functional tasks of daily living, and each task provides a measure for level of independence. Scores range from 0 and 100, with a higher score indicating greater independence.
- Functional Status - Participants With Extended Glasgow Outcome (eGOS) Score >=Upper Severe Disability [ Time Frame: 180 days ]Assessment of NIHSS, Barthel Index, eGOS (dichotomy and ordinal) by group. The extended Glasgow Outcome Scale (eGOS) is a global scale for functional outcome with eight categories: 1 - Death, 2 - Vegetative State, 3 - Lower Severe Disability, 4 - Upper Severe Disability, 5 - Lower Moderate Disability, 6 - Upper Moderate Disability, 7 - Lower Good Recovery, 8 - Upper Good Recovery.
- Functional Status - National Institutes of Health Stroke Scale (NIHSS) [ Time Frame: 180 days ]Assessment of NIHSS, Barthel Index, eGOS (dichotomy and ordinal) by group. The National Institutes of Health Stroke Scale (NIHSS) is a 15-item scale that assesses language, motor function, sensory loss, consciousness, visual fields, extraocular movements, coordination, neglect, and speech. It is scored from 0 (no stroke symptoms) to 42 (severe stroke).
- Quality of Life - Stroke Impact Scale (SIS) - Strength [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - Stroke Impact Scale (SIS) - Mobility [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - Stroke Impact Scale (SIS) - Hand Function [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - Stroke Impact Scale (SIS) - Activities of Daily Living [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - Stroke Impact Scale (SIS) - Communication [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - Stroke Impact Scale (SIS) - Thinking [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - Stroke Impact Scale (SIS) - Emotion [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - Stroke Impact Scale (SIS) - Participation [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - Stroke Impact Scale (SIS) - Recovery [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. The Stroke Impact Scale (SIS) covers 8 dimensions of stroke outcomes: strength, hand function, activities of daily living/instrumental activities of daily living, mobility, communication, emotion, memory and thinking, participation. It is scored on a scale of 0 to 100 for each dimension, with higher scores indicating better self-reported health.
- Quality of Life - EuroQol Visual Analogue Scale (EQ-VAS) [ Time Frame: 180 days ]Assessment of SIS and EuroQol Visual Analog Scale by group. EuroQol Visual Analogue Scale (EQ-VAS) is a self-reported measure of health status. It is a marked scale where individuals draw a line to indicate their health, with end points of 0 (the worst health you can imagine) and 100 (the best health you can imagine).

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years to 80 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Age 18-80
- Symptom onset less than 24 hrs prior to diagnostic CT scan
- Spontaneous ICH less than or equal to 30 cc or primary IVH
- IVH obstructing 3rd and/or 4th ventricles
- ICH clot stability at 6 hours or more post IVC placement
- IVH clot stability at 6 hours or more post IVC placement
- Catheter tract bleeding stability 6 hours or more post IVC placement
- EVD placed per standard medical care
- SBP less than 200 mmHg sustained for 6 hours prior to drug administration
- Able to randomize within 72 hours of diagnostic CT scan
- Historical Rankin of 0 or 1
Exclusion Criteria:
- Suspected or untreated ruptured cerebral aneurysm, AVM, or tumor
- Presence of a choroid plexus vascular malformation or Moyamoya
- Clotting disorders
- Platelet count less than 100,000, INR greater than 1.4
- Pregnancy
- Infratentorial hemorrhage
- SAH at clinical presentation
- ICH/IVH enlargement that cannot be stabilized in the treatment time window
- Ongoing internal bleeding
- Superficial or surface bleeding
- Prior enrollment in the study
- Any other condition that the investigator believes would pose a significant hazard to the subject if the investigational therapy were initiated
- Planned or simultaneous participation (between screening and Day-30) in another interventional medical investigation or clinical trial.
- No subject or legal representative to give written informed consent

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00784134

Study Chair: | Daniel F. Hanley, MD | Johns Hopkins University |
Study Data/Documents: Data repository-VISTA

when available
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Johns Hopkins University |
ClinicalTrials.gov Identifier: | NCT00784134 |
Other Study ID Numbers: |
IVH06 5U01NS062851-05 ( U.S. NIH Grant/Contract ) |
First Posted: | November 2, 2008 Key Record Dates |
Results First Posted: | July 2, 2017 |
Last Update Posted: | December 5, 2018 |
Last Verified: | November 2018 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
intraventricular hemorrhage thrombolysis |
Cerebral Hemorrhage Hemorrhage Intracranial Hemorrhages Pathologic Processes Cerebrovascular Disorders Brain Diseases Central Nervous System Diseases |
Nervous System Diseases Vascular Diseases Cardiovascular Diseases Tissue Plasminogen Activator Fibrinolytic Agents Fibrin Modulating Agents Molecular Mechanisms of Pharmacological Action |