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Study to Investigate the Mechanism of Action of an Oral Enzyme Treatment With Bromelain, Trypsin and Rutoside Versus Placebo in Subjects With OsTeoarthritis (WobeSmart)

M

Mucos Pharma

Status

Completed

Conditions

Osteoarthritis

Treatments

Drug: Wobenzym®
Other: Placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT05038410
2020CLI

Details and patient eligibility

About

The purpose of this study is to evaluate the pharmacodynamic profile of an oral enzyme treatment with Bromelain, Trypsin and Rutoside in subjects with osteoarthritis.

Full description

This study is a randomised, placebo controlled, two parallel arms, cross over, and multicentric trial in 40 male and female subjects suffering from osteoarthritis. While is it well established that Wobenzyme is safe and have proven efficacy in painful conditions, inflammation and osteoarthritis, little is known about its clear mechanism of action underlying its clinical efficacy. This study hypothesises that oral enzyme combination therapy with Wobenzyme will lead to systemic pharmacodynamic effects which will be documented by a holistic assessment of the inflammasome, innate immune system, cartilage turnover, systemic inflammatory markers, as well as potential cellular pathways.

Enrollment

40 patients

Sex

All

Ages

40 to 100 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Male or female ≥ 40 years of age and with BMI ≤ 35 kg/m2;

  2. Uni- or bilateral femorotibial knee OA :

    1. Responding to clinical and radiological criteria of American College of Rheumatology (ACR);
    2. Symptomatic for more than 6 months in the index knee;
    3. Radiological Kellgren & Lawrence (K&L) grade II-III in standing x-rays from less than 12 months.
  3. Mild-to-Moderate mean knee pain score at rest or at walking over the last 24 hours on the index knee evaluated on VAS (0-100) ≥ 40 at baseline;

  4. Able to follow the instructions of the study;

  5. Having signed an informed consent.

Exclusion criteria

Related to knee:

  1. Recent macro-trauma of the knee responsible of the symptomatic knee left to the Investigator's discretion;

  2. Concurrent articular disease interfering with the evaluation of pain left to the Investigator's discretion;

  3. Prosthesis in the target knee;

  4. Knee swelling requiring corticosteroids local injection.

    Related to treatments:

  5. Analgesics to manage knee pain 24 hours before inclusion visit;

  6. Corticosteroids injection in the target knee in the last 3 months;

  7. Hyaluronan injection in the target knee in the last 6 months;

  8. Arthroscopy in the last 6 months;

  9. Oral corticotherapy ≥ 5mg/day (in Prednisolone equivalent) in the last 3 months;

  10. Symptomatic slow-acting drugs for osteoarthritis (SYSADOA) or dietary supplement, i.e., curcuma extract, chondroitin, glucosamine, diacerein or avocado-soya unsaponifiables in the last 3 months;

  11. An anticipated need for any forbidden treatments during the trial;

  12. Contraindications to the product :

    1. severe hepatic and renal impairment
    2. congenital or acquired coagulation disorders, e.g. haemophilia
    3. severe liver and/or kidney damage
    4. hereditary galactose intolerance, Lapp lactase deficiency or glucose-galactose malabsorption
  13. Hypersensitivity or allergy to the product components, and pineapple;

  14. Treatments based on strontium ranelate, bisphosphonates, selective estrogen-receptor modulator (SERM) and parathormone (PTH) in the last 12 months;

  15. Treatment based on zoledronate in the last 2 years;

  16. Treatment based on denosumab in the last 6 months;

  17. Treatment with anticoagulants and/or anti-platelet agents

    Related to associated diseases:

  18. Any severe, uncontrolled and limiting disease left to the Investigator's discretion;

  19. Patient with widespread pain/depression (e.g. fibromyalgia);

  20. Lower or upper extremity surgery or fracture in the last 6 months;

  21. Anticipated need for any surgical or other invasive procedure during the trial including prosthesis in the target knee;

  22. Severe alteration of mobility enabling functional evaluation.

    Related to subjects

  23. Close collaborators to the investigational team, the study coordinator (ARTIALIS) or to the Sponsor;

  24. Currently participating or having participated in another therapeutic clinical trial in the three previous months;

  25. Having made a blood donation in the past month;

  26. Under guardianship or judicial protection;

  27. Pregnancy, breastfeeding, planned conception, or premenopausal women without effective contraception (tablet, patch, ring, diaphragm, implant and intrauterine device, tubal ligation or hysterectomy);

  28. Counter-indication to an MRI examination.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Quadruple Blind

40 participants in 2 patient groups, including a placebo group

Wobenzym®
Active Comparator group
Description:
Medicinal product Wobenzym® containing Bromelain (67.5-76.5 mg) adjusted to 450 FIP units, Trypsin (32-48mg) adjusted to 24 µkat and Rutoside trihydrate (100mg).
Treatment:
Drug: Wobenzym®
PLACEBO
Placebo Comparator group
Description:
No active ingredients. The active ingredients will be substituted by microcrystalline cellulose.
Treatment:
Other: Placebo

Trial contacts and locations

5

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Data sourced from clinicaltrials.gov

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