AzTrials
AzTrials

CancerOASIS-CANCERNCT02743052

Anticoagulation in Cancer Related Stroke

An observational study of Cancer and Stroke, run by Samsung Medical Center at 1 site in South Korea.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
Search all trials

Trial summary

Purpose: Cancer associated intravascular coagulopathy is the primary mechanism of cancer-related stroke, particularly in those without conventional stroke etiologies. Randomized clinical trials have investigated efficacy of vitamin K-dependent oral anticoagulant (warfarin), low-molecular-weight heparin (LMWH) and… Read more about this study

Who is it for?
Ages 20 years and older
Conditions the study is for
Cancer, Stroke
What is being tested?
Anticoagulation treatment.
How many people
400 participants
Where
1 siteSouth Korea
Study dates
Oct 2009to Dec 2018
Phase
Observational
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 20 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Acute ischemic stroke patients with active cancer

Who may be able to join

  • Age 20 years and older
  • Acute ischemic stroke presented within 7 days of symptom onset
  • Cancer related stroke: active cancer (diagnosis of cancer within 6 months of stroke onset, any treatment for cancer within the previous 6 months, or recurrent or metastatic cancer) and ischemic stroke which could not be explained by conventional stroke mechanisms including large artery atherosclerosis, cardioembolism, lacunar infarction, or other etiologies (e.g., dissection)
  • Signed informed consent or appropriate signed deferral of consent where approved

Who cannot join

  • Primary intracranial malignancy
  • Incomplete workup for stroke etiology (either vascular or cardiologic studies)
  • Any signs of infectious or immunological diseases which may influence plasma D-dimer levels
  • Patients with stroke suspected to be caused by the tumor itself (i.e., tumor emboli) or cancer treatment (i.e., chemotherapy-induced stroke)

Trial locations and contacts

1 site in 1 country.

Jong-Won Chung, MD, MSc contact

82-2-3410-3599

neurocjw@gmail.com

South Korea1 site, 1 recruiting
  • Samsung Medical Center, Sungkyunkwan University School of Medicine

    Seoul, 135710

    Jong-Won Chung, MD, 82234101895, neurocjw@gmail.com

    Oh Young Bang, MD

    Recruiting

Other trials in South Korea

About this study

Official title: Optimal Anticoagulation Strategy In Stroke Related to CANCER (OASIS-CANCER Study)

Purpose: Cancer associated intravascular coagulopathy is the primary mechanism of cancer-related stroke, particularly in those without conventional stroke etiologies. Randomized clinical trials have investigated efficacy of vitamin K-dependent oral anticoagulant (warfarin), low-molecular-weight heparin (LMWH) and non-vitamin K-dependent oral anticoagulant (NOAC) for the prevention of systematic venous thromboembolism. However, relatively little is known about the biological changes underlying intravascular coagulopathy and mechanisms of anticoagulation therapy in patients with cancer-related stroke. The aim of this study is to evaluate to determine the biological markers for intravascular coagulopathy causing stroke and for monitoring the effects of anticoagulation therapy, in patients with active cancer and stroke.

Conditions
Cancer, Stroke
Being tested
Anticoagulation treatment.
Medical subject headings
Neoplasms, Stroke

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Anticoagulation treatment.Drug

    Details of anticoagulation treatment information will be gathered including low molecular-weight heparin (enoxaparin 1 mg/kg) vs. NOAC (rivaroxaban 15 or 20 mg), vs. warfarin (target INR2.0-3.0) or no use of anticoagulation per physicians' decision and patients' conditions.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Recurrent stroke or systemic embolism

    Recurrent stroke (development of neurologic deterioration or a new symptom/sign and relevant new cerebral lesions documented by a neuroimaging study) or systemic embolism (objectively documented, symptomatic, recurrent deep-vein thrombosis, pulmonary embolism, or both ).

    Measured: up to 6 months

Secondary outcomes (3)
  1. 90-days modified Rankin Scale score

    Measured: examined at 90 days after stroke symptom onset in each patients

  2. Effect of anticoagulation treatment

    Effect of anticoagulation will be measured with D-dimer level during admission

    Measured: up to 14 days

  3. Symptomatic hemorrhagic transformation

    Symptomatic hemorrhagic transformation (newly developed cerebral hemorrhages that were temporally related to neurologic deterioration) or major bleeding up to 6 months (as defined by the International Society on Thrombosis and Haemostasis, J Thromb Haemost 2005;3:692-4)

    Measured: up to 6 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted19 Apr 2016 (estimated)
  2. Study startOct 2009
  3. Primary completionDec 2018 (estimated)
  4. Study completionDec 2018 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
400 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02743052
Sponsor's protocol ID
SMC 2016-02-104
Acronym
OASIS-CANCER
Status last verified
Mar 2016
First submitted
10 Mar 2016
Last updated
19 Apr 2016
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Cancer and Stroke, run by Samsung Medical Center at 1 site in South Korea.

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 4 inclusion and 4 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: status not confirmed, as of the sponsor's last update on 19 Apr 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in South Korea. 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.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Jong-Won Chung, MD, MSc (82-2-3410-3599, neurocjw@gmail.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Recurrent stroke or systemic embolism (time frame: up to 6 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 19 Apr 2016.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in