Phase III Trial to Assess the Safety and Efficacy of TK-254RX in Patients With Contusions

Last updated: October 23, 2025
Sponsor: Teikoku Seiyaku Co., Ltd.
Overall Status: Completed

Phase

3

Condition

Skin Wounds

Sprains

Pressure Ulcers

Treatment

Esflurbiprofen Topical System (EFTS)

Clinical Study ID

NCT06871046
TK-254RX-0302
2024-513064-26-00
  • Ages 18-64
  • All Genders

Study Summary

This study is an open-label, multi-centric clinical trial to evaluate the safety and efficacy of TK-254RX in patients with contusions. The primary objective of this study is to assess the safety of TK-254RX. Secondly objective is to evaluate the efficacy of contusions and adhesion of TK-254RX.

Eligibility Criteria

Inclusion

Inclusion Criteria:

  • acute contusion of the upper or lower limbs

  • location of injury such that pain-on-movement is elicited on active standardizedmovement

  • enrollment within 6 hours of the injury

  • baseline VAS score for POM of injured extremity > 50 mm on a 100 mm VAS

  • size of injury, as assessed by Investigator, ≥ 25 cm² and ≤ 120 cm²

  • adult male or female patients

  • age 18 to 64 years (including)

  • having given written informed consent

  • satisfactory health as determined by the Investigator based on medical history andphysical examination

Exclusion

Exclusion Criteria:

  • significant concomitant injury in association with the index soft- tissueinjury/contusion; e.g. fracture, nerve injury, ligament disruption, tear of muscleor cartilage, or open wound

  • excessively hairy skin at application site, cutting the hair in the injured siteprior to patch application will qualify for inclusion

  • current skin disorder or shaving hair at application site

  • history of excessive sweating/hyperhidrosis inclusive of application site

  • intake of NSAIDs or analgesics within 36 hours, opioids within 7 days, orcorticosteroids (except inhaled corticosteroids for e.g. topical treatment ofbronchial asthma) within 60 days of inclusion in the study

  • intake of long-acting NSAIDs or application of topical medication since the injury

  • participation in a clinical study within 30 days before inclusion in the study orconcomitantly

  • participation in this clinical study in another center

  • drug or alcohol abuse in the opinion of the Investigator

  • pregnant and lactating women

  • women of child-bearing potential (defined as all women physiologically capable ofbecoming pregnant) who are not using an acceptable method of contraception definedas:

  • Surgical sterilization

  • Combined (estrogen and progestogen containing) hormonal contraception, e.g.,oral, intravaginal, transdermal and progestogen-only hormonal contraceptione.g. oral, injectable, implantable as well as intrauterine device (IUD) andintrauterine hormone-releasing system (IUS) each in combination with malecondom to increase safety effect (double barrier method)

  • Total abstinence throughout the study at the discretion of the Investigator.

  • Periodic abstinence is NOT an acceptable method of contraception. An acceptablemethod of contraception must be maintained throughout the study.

  • A woman who is post-menopausal must have a negative urine pregnancy test atscreening but will not need to comply with an acceptable method ofcontraception. Women are considered post-menopausal and not of child bearingpotential if they had 12 months of natural (spontaneous) amenorrhea with anappropriate clinical profile (e.g. age appropriate, history of sterilisation,salpingectomy) or six months of spontaneous amenorrhea with serum FSH levels > 40 mIU/mL or have had surgical bilateral oophorectomy (with or withouthysterectomy) at least six weeks ago. In the case of oophorectomy alone, onlywhen the reproductive status of the woman has been confirmed by follow uphormone level assessment.

  • known hypersensitivity to Esflurbiprofen, R-flurbiprofen or one of the excipients ofthe patch

  • patients with any ongoing condition that may interfere with the absorption,distribution, metabolism, or excretion of Esflurbiprofen

  • history of previous significant injury to the same area within 6 months

  • patients with a disease affecting the same area such as synovitis, rheumatoidarthritis, arthrosis, etc.

  • patients having an ongoing painful condition associated with blunt injury/contusion

  • patients suffering from symptoms of an infectious disease including swelling of anyjoint of the affected area

  • patients who had surgery of the affected area within one year of study entry

  • patients with significant diseases (defined as a disease which, in the opinion ofthe Investigator, may either put the patient at risk because of participation in thestudy or a disease which may influence the results of the study or the patient'sability to participate in the study; includes patients with a history ofgastrointestinal bleeding, significant cardiovascular, liver or renal disease)

  • patients with a blood coagulation disorder

  • patients who use any impermissible medication

  • known allergy to paracetamol and galenic components of the rescue medication

Study Design

Total Participants: 221
Treatment Group(s): 1
Primary Treatment: Esflurbiprofen Topical System (EFTS)
Phase: 3
Study Start date:
February 20, 2025
Estimated Completion Date:
October 01, 2025

Connect with a study center

  • Medical Practice Ebert

    Siemensstr, Bonn 53121
    Germany

    Site Not Available

  • Medical Practice Prof. Predel

    Siemensstr, Bonn 53121
    Germany

    Site Not Available

  • Medical Practice Schaale-Maas

    Siemensstr, Bonn 53121
    Germany

    Site Not Available

  • Medical Practice Pabst

    Sportschule Puch, Fürstenfeldbruck 82556
    Germany

    Site Not Available

  • Medical Practice Gastl

    Römerstraße, Gilching 82205
    Germany

    Site Not Available

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