NCT03413618

Brief Summary

The randomized clinical study aimed to assess the efficacy and safety of standard anticoagulation with rivaroxaban in combination with diosmin compared to the isolated use of standard rivaroxaban for prolonged therapy of acute femoro-popliteal deep vein thrombosis reflected the speed of deep vein recanalization and incidence of post-thrombotic syndrome.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
90

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Dec 2017

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

December 20, 2017

Completed
29 days until next milestone

First Submitted

Initial submission to the registry

January 18, 2018

Completed
11 days until next milestone

First Posted

Study publicly available on registry

January 29, 2018

Completed
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2019

Completed
6 months until next milestone

Results Posted

Study results publicly available

January 27, 2020

Completed
Last Updated

February 4, 2021

Status Verified

July 1, 2019

Enrollment Period

1.6 years

First QC Date

January 18, 2018

Results QC Date

May 13, 2019

Last Update Submit

January 14, 2021

Conditions

Keywords

deep vein thrombosispostthrombotic syndromeanticoagulationtreatmentprevention

Outcome Measures

Primary Outcomes (1)

  • Number of Participants With Postthrombotic Syndrome as Determined by Villalta Score

    Detection of the postthrombotic syndrome (PTS) was made according to the Villalta score (a combination of 5 subjective symptoms and 6 objective signs of chronic venous disease) ranged from 0 (no signs) to 33 scores (maximal severity). PTS defined as 5 and more scores; mild PTS as 5-9 scores; moderate PTS as 10-14 scores; severe PTS as 15 and more scores.

    12 months

Secondary Outcomes (10)

  • Number of Participants With Recurrent Symptomatic or Asymptomatic DVT

    12 months

  • Number of Participants With Symptomatic Pulmonary Embolism

    12 months

  • The Value of Venous Clinical Severity Score

    12 months

  • The Value of Chronic Lower Limb Venous Insufficiency Questionnaire - 20 Items

    12 months

  • Number of Participants With Full Recanalization of the Popliteal Vein

    12 months

  • +5 more secondary outcomes

Study Arms (2)

Experimental: Rivaroxaban + Diosmin + Stockings

EXPERIMENTAL

treatment of deep vein thrombosis with anticoagulation (rivaroxaban), elastic compression stockings and additional prescription of diosmin

Drug: RivaroxabanDrug: DiosminOther: compression stockings

Control: Rivaroxaban + Stockings only

ACTIVE COMPARATOR

standard treatment of deep vein thrombosis with anticoagulation (rivaroxaban) and elastic compression stockings

Drug: RivaroxabanOther: compression stockings

Interventions

15 mg b.i.d. for 3 weeks and then 20 mg q.d. up to 6 month

Also known as: xarelto
Control: Rivaroxaban + Stockings onlyExperimental: Rivaroxaban + Diosmin + Stockings

600 mg q.d. for 12 month

Also known as: flebodia
Experimental: Rivaroxaban + Diosmin + Stockings

above knee stocking for 12 month

Control: Rivaroxaban + Stockings onlyExperimental: Rivaroxaban + Diosmin + Stockings

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age over 18 years
  • The first episode of femoro-popliteal deep vein thrombosis (DVT)
  • Verification of DVT by duplex ultrasound
  • Informed consent signed

You may not qualify if:

  • Suspicion of pulmonary embolism (PE)
  • Verified PE
  • Bilateral DVT
  • Contraindications for rivaroxaban (in accordance with the official instructions)
  • Contraindications for diosmin (in accordance with the official instructions)
  • Active cancer
  • Verified severe thrombophilia (antiphospholipid antibodies, deficiency of proteins C, S, antithrombin 3)
  • Use of other anticoagulants for more than 7 days from the DVT verification
  • Impossibility of using compression stocking after 3 days from DVT verification
  • Performed surgical intervention on the superficial or deep veins of the lower extremities (thrombolysis, thrombectomy, vein ligation, implantation of the inferior cava filter)
  • Continuous use of other drugs that affect the hemostasis system (except for acetylsalicylic acid in a dose of not more than 100 mg).
  • Low compliance

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clinical Hospital no.1 of the President's Administration of Russian Federation

Moscow, 121352, Russia

Location

Related Publications (1)

  • Lobastov K, Sautina E, Alencheva E, Bargandzhiya A, Schastlivtsev I, Barinov V, Laberko L, Rodoman G, Boyarintsev V. Intermittent Pneumatic Compression in Addition to Standard Prophylaxis of Postoperative Venous Thromboembolism in Extremely High-risk Patients (IPC SUPER): A Randomized Controlled Trial. Ann Surg. 2021 Jul 1;274(1):63-69. doi: 10.1097/SLA.0000000000004556.

MeSH Terms

Conditions

Venous ThrombosisPostthrombotic Syndrome

Interventions

RivaroxabanDiosminStockings, Compression

Condition Hierarchy (Ancestors)

ThrombosisEmbolism and ThrombosisVascular DiseasesCardiovascular DiseasesVenous Insufficiency

Intervention Hierarchy (Ancestors)

ThiophenesSulfur CompoundsOrganic ChemicalsMorpholinesOxazinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsFlavonesFlavonoidsChromonesBenzopyransPyransHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingCompression BandagesBandagesEquipment and Supplies

Limitations and Caveats

Unsuspected high frequency of PTS in the Control group (standard treatment with rivaroxaban and compression stockings) led to early termination of enrollment (75% of planned sample size).

Results Point of Contact

Title
Dr. Kirill Lobastov
Organization
Pirogov Russian National Research Medical University

Study Officials

  • Ilya Schastlivtsev, PhD

    Pirogov Russian National Research Medical University

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Masking Details
Outcomes assessor does not involve in randomisation and treatment process, has no information about the patient's belonging to one of the study groups
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Randomized open-labeled clinical trial with a masked outcomes assessor
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 18, 2018

First Posted

January 29, 2018

Study Start

December 20, 2017

Primary Completion

July 31, 2019

Study Completion

July 31, 2019

Last Updated

February 4, 2021

Results First Posted

January 27, 2020

Record last verified: 2019-07

Data Sharing

IPD Sharing
Will not share

Locations