Please select the eligibility criteria that correspond to the clinical trial below.
Title: Optimal Prophylactic Method of Venous Thromboembolism for Gastrectomy in Korean Patients
Brief Summary: This study is to define the optimal method of prophylaxis for patients with gastrectomy in Korea and the investigators hypothesized only mechanical method would be enough for preventing VTE on perioperative period.


Options:
A: Inclusion Criteria:

* Patients diagnosed as gastric cancer
* Elective and curative under general anesthesia
* ECOG score 0-2
* ASA score 3 or less than 3
* Informed consents

Exclusion Criteria:

* 2nd primary cancer
* VTE history within one year
* Anticoagulation history
* Allergic to heparin
* Pregnancy or expected pregnancy
B: Inclusion Criteria:

* Male or female subjects older than the minimum legal adult age (country specific);
* Acute symptomatic proximal DVT and/or symptomatic PE confirmed at the site by appropriate diagnostic imaging;
* Able to provide written informed consent

Exclusion Criteria:

* thrombectomy, insertion of a caval filter, or use of a fibrinolytic agent to treat the current episode of DVT and/or PE;
* More than 48 hours pre-treatment with anticoagulant therapy prior to randomization;
* Calculated Creatinine clearance (CrCL) \< 30 mL/min;
* significant liver disease (e.g., acute hepatitis, chronic active hepatitis, cirrhosis) or alanine transaminase (ALT) \>\\= 2 times the upper limit of normal (ULN), or total bilirubin (TBL) x 1.5 times the ULN;
* patients with active cancer for whom long term treatment with (LMW) heparin is anticipated;
* active bleeding or high risk for bleeding contraindicating treatment with (LMW) heparin or warfarin;
* chronic treatment with non-aspirin non-steroidal anti-inflammatory drugs (NSAIDs);
* treatment with aspirin in a dosage of more than 100 mg/per day or dual antiplatelet therapy;
* concurrent treatment with potent P-gp inhibitors;
* subjects with any condition that, as judged by the investigator, would place the subject at increased risk of harm if he/she participated in the study
C: Inclusion Criteria:

* Patient undergoing major abdominal surgery (open surgery under general anesthesia lasting more than 45 minutes in the peritoneal and/or retroperitoneal space and/or pelvis).
* Patient \<60 years of age had to have one of the following additional risk factors for VTE:

  * History of VTE,
  * Obesity,
  * Chronic Heart failure,
  * Chronic Respiratory Failure,
  * Inflammatory Bowel Disease,
  * Cancer Surgery.

Exclusion Criteria:

* Any major orthopedic or general surgery in the 3 months prior to study start;
* Clinical signs or symptoms of DVT or PE within the last 12 months or known post phlebitic syndrome;
* Any contra-indications to the performance of venography;
* High risk of bleeding;
* Known hypersensitivity to heparin or Enoxaparin sodium;
* End stage renal disease or patient on dialysis.

The above information was not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.
D: Inclusion Criteria:

* Patients with a diagnosis of active cancer.
* Symptomatic and objectively confirmed VTE.
* ≥ 18 years of age or above the legal age of consent as per country specific regulations.
* Patients with Eastern Co-operative Oncology Group (ECOG) performance status of 0, 1 or 2.
* Signed informed consent.

Exclusion Criteria:

* Life expectancy \< 6 months.
* Patients with basal cell carcinoma or non-melanoma skin cancer.
* Creatinine clearance ≤ 20 ml/min.
* Contra-indications to anticoagulation.
* Known hypersensitivity to the investigational product (Innohep®) or the reference product (warfarin).
* History of heparin-induced thrombocytopenia (HIT).
* Pre-randomisation therapeutic anticoagulant treatment for acute VTE administered for more than 72 hours prior to randomisation.
* Patients unlikely to comply with the protocol.
* Participation in another interventional study.
* Pregnant or breast-feeding women.
* Women of childbearing potential.

Answer: A