Actively Recruiting

Phase 3
Age: 18Years +
All Genders
NCT06362746

Non-immunogenic Recombinant Staphylokinase vs Placebo in Patients With Intermediate High-risk Pulmonary Embolism

Led by Supergene, LLC · Updated on 2025-12-05

486

Participants Needed

24

Research Sites

236 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Objective: to evaluate the efficacy and safety of the non-immunogenic recombinant staphylokinase with its single bolus administration in comparison with placebo in normotensive patients with intermediate high-risk pulmonary embolism (PE)

CONDITIONS

Official Title

Non-immunogenic Recombinant Staphylokinase vs Placebo in Patients With Intermediate High-risk Pulmonary Embolism

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Men and women aged 18 and over
  • Verified diagnosis of intermediate high-risk PE by CTPA within 2 weeks of symptom onset
  • Right ventricular dysfunction with RV/LV end-diastolic diameter ratio over 1.0 by CTPA
  • Increased risk of early death or hemodynamic collapse defined by:
    1. Systolic blood pressure between 90 and 110 mm Hg for more than 15 minutes
    2. Respiratory rate over 20 per minute or oxygen saturation under 90% without oxygen support
    3. Chronic heart failure with left ventricular ejection fraction under 40%
  • Serum troponin I levels over 14 pg/mL if under 75 years, or over 45 pg/mL if 75 years or older
  • Use of reliable contraception throughout the study and for 3 weeks after, including documented infertility or menopause for women, and use of barrier contraception or documented infertility for men
  • Signed and dated informed consent to participate
Not Eligible

You will not qualify if you...

  • High-risk PE with hemodynamic instability
  • Current or recent (within 6 months) extensive bleeding or intracranial hemorrhage
  • Hemorrhagic stroke within the last 6 months
  • History of central nervous system diseases including tumors or aneurysms
  • Intracranial or spinal surgery within the last 2 months
  • Major surgery or trauma within the last 4 weeks
  • Recent puncture of an incompressible blood vessel
  • Severe liver disease or active hepatitis
  • Confirmed gastric or duodenal ulcer within the last 3 months
  • Neoplasm with increased bleeding risk
  • Use of Dabigatran without prior idarucizumab administration
  • Arterial aneurysms or vascular developmental defects
  • Acute pancreatitis
  • Bacterial endocarditis or pericarditis
  • Suspected aortic dissecting aneurysm
  • Any other condition deemed by the investigator to pose high bleeding risk
  • Pregnancy or lactation
  • Known allergy to non-immunogenic recombinant staphylokinase

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 24 locations

1

RZD Medicine hospital

Barnaul, Altayskiy Kray, Russia, 656038

Actively Recruiting

2

V.F. Dolgopolov Vyselki Central District Hospital

Vyselki, Krasnodarskiy Kray, Russia, 353100

Actively Recruiting

3

Asinovskaya District Hospital

Asino, Tomsk Oblast, Russia, 636840

Completed

4

Belgorod Regional Clinical Hospital of St. Joseph

Belgorod, Russia, 308007

Actively Recruiting

5

Kuzbass Cardiology center

Kemerovo, Russia, 650002

Actively Recruiting

6

Center of Neurology and Cardiology

Kirov, Russia, 610035

Actively Recruiting

7

Regional Clinical Hospital №2

Krasnodar, Russia, 350012

Actively Recruiting

8

Lipetsk City Hospital No. 4 "Lipetsk-Med"

Lipetsk, Russia, 398006

Actively Recruiting

9

F.I. Inozemtsev City Clinical Hospital

Moscow, Russia, 105187

Actively Recruiting

10

Moscow Multidisciplinary Clinical Center "Kommunarka"

Moscow, Russia, 108814

Actively Recruiting

11

S.S. Yudin City Clinical Hospital

Moscow, Russia, 115446

Actively Recruiting

12

V.M. Buyanov City Clinical Hospital

Moscow, Russia, 115516

Actively Recruiting

13

S.P. Botkin City Clinical Hospital

Moscow, Russia

Actively Recruiting

14

N.A. Semashko Nizhny Novgorod Regional Clinical Hospital

Nizhny Novgorod, Russia, 603093

Actively Recruiting

15

N.N. Burdenko Penza Regional Clinical hospital

Penza, Russia, 440026

Withdrawn

16

G.A. Zakharyin Clinical hospital №6

Penza, Russia, 440071

Actively Recruiting

17

City Clinical Hospital №4

Perm, Russia, 614107

Withdrawn

18

City Hospital No. 26

Saint Petersburg, Russia, 196247

Actively Recruiting

19

City Hospital No. 15

Saint Petersburg, Russia, 198205

Actively Recruiting

20

V.P. Polyakov Samara Regional Clinical Cardiology Dispensary

Samara, Russia, 443070

Actively Recruiting

21

Tomsk regional cilinical hospital

Tomsk, Russia, 634063

Actively Recruiting

22

Tver Regional Clinical Hospital

Tver', Russia, 170036

Actively Recruiting

23

Ufa Emergency City Hospital

Ufa, Russia, 450092

Actively Recruiting

24

City Clinical Hospital of Emergency medicine №25

Volgograd, Russia, 400138

Actively Recruiting

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Research Team

S

Sergey S. Markin, MD, PhD

CONTACT

S

Sergey N. Tereschenko, MD, PhD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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