Trial Outcomes & Findings for Argatroban Stroke Treatment - A Pilot Safety Study (NCT NCT00268762)

NCT ID: NCT00268762

Last Updated: 2014-11-10

Results Overview

Significant intracerebral hemorrhage as defined by either: 1. Symptomatic intracerebral hemorrhage or 2. Parenchymal hematoma type 2.

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

65 participants

Primary outcome timeframe

Within 7 days of enrollment

Results posted on

2014-11-10

Participant Flow

Date of first enrollment: May 6, 2003 Date of last enrollment: August 20, 2010 All patients enrolled through hospital emergency departments

Participant milestones

Participant milestones
Measure
Intervention
Argatroban IV bolus 100 mcg/kg bolus, followed by Argatroban IV Infusion 1 mcg/kg/min for 48 hours. Dose adjusted for target partial thromboplastin time (PTT) of 1.75 times the patient's baseline.
Overall Study
STARTED
65
Overall Study
COMPLETED
65
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Argatroban Stroke Treatment - A Pilot Safety Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Intervention
n=65 Participants
Argatroban IV bolus 100 mcg/kg bolus, followed by Argatroban IV Infusion 1 mcg/kg/min for 48 hours. Dose adjusted for target PTT of 1.75 times the patient's baseline.
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
34 Participants
n=5 Participants
Age, Categorical
>=65 years
31 Participants
n=5 Participants
Age, Continuous
63 years
STANDARD_DEVIATION 14 • n=5 Participants
Sex: Female, Male
Female
36 Participants
n=5 Participants
Sex: Female, Male
Male
29 Participants
n=5 Participants
Region of Enrollment
United States
65 participants
n=5 Participants

PRIMARY outcome

Timeframe: Within 7 days of enrollment

Significant intracerebral hemorrhage as defined by either: 1. Symptomatic intracerebral hemorrhage or 2. Parenchymal hematoma type 2.

Outcome measures

Outcome measures
Measure
Intervention
n=65 Participants
Argatroban IV Infusion 1 mcg/kg/min for 48 hours
Symptomatic and Radiographic Intracerebral Hemorrhage
6.2 percentage of patients
Interval 1.7 to 15.0

SECONDARY outcome

Timeframe: 2 hours complete recanalization post tPA bolus

Complete Recanalization as measured by either transcranial Doppler Ultrasound at 2 hours post tPA bolus.

Outcome measures

Outcome measures
Measure
Intervention
n=47 Participants
Argatroban IV Infusion 1 mcg/kg/min for 48 hours
Arterial Complete Recanalization at 2 Hours Post tPA Bolus
40 percent of patients

SECONDARY outcome

Timeframe: 24 hours from tPA bolus

Complete recanalization at 24 hours post tPA bolus as measured by either transcranial Doppler ultrasound or CT-Angiography.

Outcome measures

Outcome measures
Measure
Intervention
n=60 Participants
Argatroban IV Infusion 1 mcg/kg/min for 48 hours
Arterial Complete Recanalization at 24 Hours Post tPA Bolus
63 percent of patients

Adverse Events

Intervention

Serious events: 21 serious events
Other events: 55 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Intervention
n=65 participants at risk
Argatroban IV bolus 100 mcg/kg bolus, followed by Argatroban IV Infusion 1 mcg/kg/min for 48 hours. Dose adjusted for target PTT of 1.75 times the patient's baseline.
General disorders
Death
10.8%
7/65 • Number of events 7 • 90 days during the study period
Nervous system disorders
Stroke progression or neurological worsening
7.7%
5/65 • Number of events 5 • 90 days during the study period
Nervous system disorders
Significant intracerebral hemorrhage
6.2%
4/65 • Number of events 4 • 90 days during the study period
Nervous system disorders
Cerebral edema
6.2%
4/65 • Number of events 4 • 90 days during the study period
Respiratory, thoracic and mediastinal disorders
Pneumonia/respiratory failure
4.6%
3/65 • Number of events 3 • 90 days during the study period
Cardiac disorders
Cardiac arrest
4.6%
3/65 • Number of events 3 • 90 days during the study period
Nervous system disorders
Asymptomatic ICH
3.1%
2/65 • Number of events 2 • 90 days during the study period
Blood and lymphatic system disorders
Significant laboratory abnormality
3.1%
2/65 • Number of events 2 • 90 days during the study period
Skin and subcutaneous tissue disorders
Angioedema
1.5%
1/65 • Number of events 1 • 90 days during the study period
Nervous system disorders
Seizure
1.5%
1/65 • Number of events 1 • 90 days during the study period

Other adverse events

Other adverse events
Measure
Intervention
n=65 participants at risk
Argatroban IV bolus 100 mcg/kg bolus, followed by Argatroban IV Infusion 1 mcg/kg/min for 48 hours. Dose adjusted for target PTT of 1.75 times the patient's baseline.
Gastrointestinal disorders
Nausea with or without Emesis
4.6%
3/65 • Number of events 3 • 90 days during the study period
Cardiac disorders
Chest Pain
3.1%
2/65 • Number of events 2 • 90 days during the study period
Cardiac disorders
Hypotension
4.6%
3/65 • Number of events 3 • 90 days during the study period
Cardiac disorders
Tachycardia
10.8%
7/65 • Number of events 7 • 90 days during the study period
Cardiac disorders
Patent Foramen Ovale
1.5%
1/65 • Number of events 1 • 90 days during the study period
Cardiac disorders
Aortic valve vegetation
1.5%
1/65 • Number of events 1 • 90 days during the study period
Cardiac disorders
Atrial Fibrillation
3.1%
2/65 • Number of events 2 • 90 days during the study period
Cardiac disorders
Hypothermia
1.5%
1/65 • Number of events 1 • 90 days during the study period
Cardiac disorders
Hypertension
4.6%
3/65 • Number of events 3 • 90 days during the study period
General disorders
Laboratory abnormalities - Chemistries
15.4%
10/65 • Number of events 14 • 90 days during the study period
Endocrine disorders
New diagnosis of diabetes mellitus
3.1%
2/65 • Number of events 2 • 90 days during the study period
Renal and urinary disorders
Oliguria
1.5%
1/65 • Number of events 1 • 90 days during the study period
Renal and urinary disorders
Urinary Retention
1.5%
1/65 • Number of events 1 • 90 days during the study period
Renal and urinary disorders
Urinary Analysis laboratory abnormality
4.6%
3/65 • Number of events 3 • 90 days during the study period
Blood and lymphatic system disorders
Anemia/decrease in hemoglobin and hematocrit level
6.2%
4/65 • Number of events 5 • 90 days during the study period
Nervous system disorders
Asymptomatic Intracranial Hemorhhage
20.0%
13/65 • Number of events 13 • 90 days during the study period
Infections and infestations
Fever
26.2%
17/65 • Number of events 17 • 90 days during the study period
Infections and infestations
Urinary Tract Infection
29.2%
19/65 • Number of events 19 • 90 days during the study period
Infections and infestations
Pneumonia
4.6%
3/65 • Number of events 3 • 90 days during the study period
Musculoskeletal and connective tissue disorders
Minimally displaced fracture of base of fifth metacarpal
1.5%
1/65 • Number of events 1 • 90 days during the study period
Musculoskeletal and connective tissue disorders
Neck Pain
1.5%
1/65 • Number of events 1 • 90 days during the study period
Musculoskeletal and connective tissue disorders
Hand swelling
3.1%
2/65 • Number of events 2 • 90 days during the study period
Nervous system disorders
Agitation/lethargic/somnolent
3.1%
2/65 • Number of events 2 • 90 days during the study period
Nervous system disorders
Stroke progression
3.1%
2/65 • Number of events 2 • 90 days during the study period
Nervous system disorders
Neuro-worsening
4.6%
3/65 • Number of events 3 • 90 days during the study period
General disorders
Exacerbation of uterine prolapse
1.5%
1/65 • Number of events 1 • 90 days during the study period
General disorders
Oral thrush
1.5%
1/65 • Number of events 1 • 90 days during the study period
Psychiatric disorders
Excessive sleepness
1.5%
1/65 • Number of events 1 • 90 days during the study period
General disorders
Self extubation
1.5%
1/65 • Number of events 1 • 90 days during the study period
Psychiatric disorders
Visual hallucination
1.5%
1/65 • Number of events 1 • 90 days during the study period
Psychiatric disorders
Restless
1.5%
1/65 • Number of events 1 • 90 days during the study period
Respiratory, thoracic and mediastinal disorders
Right lung mass
1.5%
1/65 • Number of events 1 • 90 days during the study period
Respiratory, thoracic and mediastinal disorders
Coughing/gagging
1.5%
1/65 • Number of events 1 • 90 days during the study period
Respiratory, thoracic and mediastinal disorders
Both lung with rales
1.5%
1/65 • Number of events 1 • 90 days during the study period
Respiratory, thoracic and mediastinal disorders
Shortness of breath
1.5%
1/65 • Number of events 1 • 90 days during the study period
Respiratory, thoracic and mediastinal disorders
Pulmonary edema
1.5%
1/65 • Number of events 1 • 90 days during the study period
Respiratory, thoracic and mediastinal disorders
Hyperventilation
10.8%
7/65 • Number of events 7 • 90 days during the study period
Respiratory, thoracic and mediastinal disorders
Hypoventilation
1.5%
1/65 • Number of events 1 • 90 days during the study period
Skin and subcutaneous tissue disorders
Rash
3.1%
2/65 • Number of events 2 • 90 days during the study period
Skin and subcutaneous tissue disorders
Slight angioedema
1.5%
1/65 • Number of events 1 • 90 days during the study period
General disorders
Laboratory Abnormalities - Electrolytes
20.0%
13/65 • Number of events 19 • 90 days during the study period
General disorders
Laboratory Abnormalities - Elevated PTT >100 seconds
1.5%
1/65 • Number of events 1 • 90 days during the study period

Additional Information

Andrew D. Barreto, MD

University of Texas Health Science Center at Houston

Phone: 713-500-7002

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place