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Placebo-controlled, randomized double-blind study to evaluate the efficacy and tolerability of Rosaxan® in patients with Gonarthrosis

Placebo-controlled, randomized double-blind study to evaluate the efficacy and tolerability of Rosaxan® in patients with Gonarthrosis - MEA/008915

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00009034
Enrollment
92
Registered
2016-01-25
Start date
2015-07-30
Completion date
Unknown
Last updated
2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

M17

Interventions

Group 1: Verum: dietary supplements Rosaxan® related to the daily dose of 4 Cl (40 ml) Composition: Rosehip puree 20.0 g Rosehip juice concentrate 4.0 g Nettle extract 160 mg Devil's claw root powd

Sponsors

medAgil Gesundheitsgesellschaft mbH
Lead Sponsor

Eligibility

Sex/Gender
All
Age
30 Years to 70 Years

Inclusion criteria

Inclusion criteria: • clinically diagnosed Gonarthrosis one or both knees with: o moderate pain symptoms [4-8 points as the average of the WOMAC pain index] • neg. Pregnancy test (ß HCG) prior inclusion of child-bearing women • contraceptive protection for child-bearing women

Exclusion criteria

Exclusion criteria: Knee pain or functional limitation of the knee joint other cause • Threat of disability • Known allergies and / or sensitivities to components of the investigational product • Major organic and / or systemic diseases that are unacceptable to continue the participation from investigator view • ingestion (during the study) of: • dietary supplements such as vitamin supplements • Complementary balanced diets • anti-inflammatory plant extracts like e.g. Devil's Claw • enzyme preparations such as Wobenzym® • mineral products, protein hydrolysates, Amino acid concentrates • chondroprotectives (cartilage protection products as e.g. Glucosamine, chondroitin sulfate, collagen Hydrolyzate, gelatin, hyaluronic acid, Methylsulfonylmethane) • Fish oil capsules (omega 3 fatty acid capsules) • treatment with cartilage protection products in the last 3 Months and during the study • treatment during the study (oral ingestion, injection, topical application) with steroidal and non- Antirheumatic drugs with the exception of: Acetylsalicylic acid (ASA, aspirin), diclofenac (Voltaren example) and Paracetamol • Cortisone treatment in the last 3 weeks and during the study • Administration of opioid analgesics, • pregnancy or lactation • medication, alcohol and / or drug abuse • peripheral arterial occlusive disease (PAOD) • acute meniscus injuries Rheumatoid arthritis • infection-associated arthritis • Bony injuries of the lower extremities (eg Femoral neck fracture) in the last 12 months • herniated disc • Arthroscopic surgery of the knee joint in the last 6 months and during the study •Concomitant treatment of osteoarthritis of the knee with Magnetic therapy, shockwave therapy, acupuncture during study • Signs that the patient is unable to comply with the protocol (eg, lack of cooperation) • Simultaneous participation in another clinical trial or participation in such within the last 6 weeks • Dependence / working relationship with the sponsor or investigator

Design outcomes

Primary

MeasureTime frame
Primary outcome: Change in the WOMAC index "Pain" as the difference between the score values ??at baseline and the final visit after 12 weeks compared to the study groups (verum or placebo)

Secondary

MeasureTime frame
Secondary outcomes measures: Differences between verum and Placebo group: • changes in the WOMAC index "pain" after 6 weeks • changes in the WOMAC global index after 6 and 12 weeks • changes in the WOMAC indices "function" and "stiffness" after 6 and 12 weeks • Changes in quality of life (SF-12) after 6 and 12 weeks • change in analgesics consumption during the study period • adverse events occurrence (UE) during the study period • Global evaluation of efficacy and tolerability by investigator and patient after 12 weeks

Countries

Germany

Contacts

Public ContactRalf Uebelhack

Prüfzentrumanalyze & realize GmbH

ruebelhack@analyze-realize.com+49 (30) 306 4020 79

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Apr 4, 2026