UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000018633
Receipt number R000021565
Scientific Title Randomized Phase II trial of Enoxiaparin Sodium for the Prevension of Postoperative Venous Thromboembolism after Laparoscopic Colorectal Cancer Surgery (ENVELOPE study)
Date of disclosure of the study information 2015/08/15
Last modified on 2019/08/13 22:39:42

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Basic information

Public title

Randomized Phase II trial of Enoxiaparin Sodium for the Prevension of Postoperative Venous Thromboembolism after Laparoscopic Colorectal Cancer Surgery (ENVELOPE study)

Acronym

Randomized Phase II trial of Enoxiaparin Sodium for the Prevension of Postoperative Venous Thromboembolism after Laparoscopic Colorectal Cancer Surgery (ENVELOPE study)

Scientific Title

Randomized Phase II trial of Enoxiaparin Sodium for the Prevension of Postoperative Venous Thromboembolism after Laparoscopic Colorectal Cancer Surgery (ENVELOPE study)

Scientific Title:Acronym

Randomized Phase II trial of Enoxiaparin Sodium for the Prevension of Postoperative Venous Thromboembolism after Laparoscopic Colorectal Cancer Surgery (ENVELOPE study)

Region

Japan


Condition

Condition

Colon cancer

Classification by specialty

Gastrointestinal surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To clarify incidence of venos thromboembolism and rate of bleeding events and to evaluate efficacy and safety of enoxaparin after laparoscopic colon cancer surgery

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Phase II


Assessment

Primary outcomes

Incidence of venos thromboembolism until postoperative day 28

Key secondary outcomes

1) Rate of bleeding events until discharge
2) Incidence of venos thromboembolism until discharge
3) Incidence of postoperative complications excluded venos thromboembolism


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification

NO

Dynamic allocation

YES

Institution consideration

Institution is considered as adjustment factor in dynamic allocation.

Blocking

NO

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Enoxaparin group
Subcutaneous injection of enoxaparin 2000U twice daily (postoperative day 2 to discharge)
Intermittent pneumatic compression (IPC) prophylaxis (after surgery to postoperative day 1)

Interventions/Control_2

Control group
IPC prophylaxis alone (after surgery to postoperative day 1)

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Age of 20 years or older
2. Peformance status: 0 or 1
3. Elective laparoscopic colon cancer surgery
4. Tumor location: C, A, T, D, S, RS
5. No distant metastases by preoperative image findings within 28 days before registration
6. No deep venos thrombosis by preoperative ultrasonography within 28 days before registration
7. No preoperative treatment ( radiation, chemotherapy, etc)
8. Written informed consent after receiving explanation of the study

Key exclusion criteria

1. Cotraindications of enoxaparin
-Allergy for enoxaparin, heparin, and heparin derivatives
-Bleeding or bleeding suspected
-Acute bacterial endocarditis
-Severe renal dysfunction
-History of heparin-induced thrombocytopenia (HIT)
2. History of VTE
3. Receiving anticoagulants or antiplatelet drugs
4. Allergy for contrast media
5. Petients who are considered to be inappropriate for this trial by doctor

Target sample size

120


Research contact person

Name of lead principal investigator

1st name Itaru
Middle name
Last name Endo

Organization

Yokohama City University Hospital

Division name

Gastroenterological surgery

Zip code

2360004

Address

3-9 Fukuura, Kanazawa-ku, Yokohama City, 236-0004, Japan

TEL

045-787-2800

Email

endoit@med.yokohama-cu.ac.jp


Public contact

Name of contact person

1st name Mitsuyoshi
Middle name
Last name Ota

Organization

Yokohama City University Medical Center

Division name

Gastroenerological Center

Zip code

2320024

Address

4-57 Urafune-cho, Minami-ku, Yokohama City, 232-0024, Japan

TEL

045-261-5656

Homepage URL


Email

m_ota@yokohama-cu.ac.jp


Sponsor or person

Institute

Yokohama City University Medical Center

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethics committee of Yokohama City University Medical Center

Address

4-57 Urafune-cho, Minami-ku, Yokohama City, 232-0024, Japan

Tel

045-253-5303

Email

u_syomu@yokohama-cu.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

横浜市立大学附属市民総合医療センター(神奈川県)、横浜市立大学附属病院(神奈川県)、横須賀共済病院(神奈川県)


Other administrative information

Date of disclosure of the study information

2015 Year 08 Month 15 Day


Related information

URL releasing protocol


Publication of results

Published


Result

URL related to results and publications


Number of participants that the trial has enrolled

121

Results

Incidence of venous thromboembolism (VTE) on the postoperative 28th days was 12.3% (7/57 patients) in the enoxaparin group and 11.9% (7/59 patients) in the IPC group.

Results date posted

2019 Year 08 Month 13 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2014 Year 07 Month 31 Day

Date of IRB

2015 Year 08 Month 01 Day

Anticipated trial start date

2015 Year 08 Month 15 Day

Last follow-up date

2018 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2015 Year 08 Month 10 Day

Last modified on

2019 Year 08 Month 13 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000021565


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name