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CompletedNCT05414617PANDORA1Updated Jun 22, 2023

Safety of Use of Pandora for Patients Suffering From Gonarthrosis

An interventional study of Intra-articular single injection and Intra-articular three injections in Knee Osteoarthritis, sponsored by Labrha. Completed at 2 sites in France. Open to participants aged 35 Years to 85 Years. Per ClinicalTrials.gov, last updated 2023-06-22.

Sponsored by Labrha · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
20
Allocation
Non-randomized
Ages
35 Years to 85 Years
Sex
All
01

Study summary

The knee osteoarthritis is a frequent degenerative condition that mainly affects subjects over 60, population often weakened by numerous comorbidities and concomitant treatments, justifying the development of new therapies.

The viscosupplementation is a symptomatic treatment for knee osteoarthritis ; the objective of this intra-articular injection of hyaluronic acid is to reduce knee pain and improve mobility. In practice, there are two protocols to administer viscosupplementation : in a single injection or in three injections performed weekly.

The present clinical investigation has the objective to evaluate the safety of use of Pandora in a single injection or in three injections performed weekly.

Read the detailed description

This clinical investigation is a multicenter, prospective, open study of a class III Medical Device.

This study is designed to evaluate the safety of use of Pandora in its two forms : in a single injection or in three injections.

A descriptive analysis will be carried out to characterize the demographic data, the history of the disease and its treatments, the clinical and radiological data of the patients at inclusion.

The security of use of Pandora will be demonstrated by describing the proportion of patients with at least one adverse event attributable to the treatment, occurring during the week following each injection.

In total, 20 participants will be enrolled across two study centers in France, 10 participants in each centers.

The total duration of subjects participation is 6 months ; overall study duration including the enrollment period is expected to take approximately 9 months.

02

Conditions studied

  • Knee Osteoarthritis
03

In context

Osteoarthritis

4,398 studies on the registry are indexed under Osteoarthritis; 582 are open to participants now.

This study's enrollment of 20 is below the median of 70 across 3,440 interventional studies indexed under Osteoarthritis.

Browse Osteoarthritis studies →

Lead sponsor

Labrha is the lead sponsor of 5 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
35 Years to 85 Years
Sexes eligible
All
Accepts healthy volunteers
No

Twenty patients having a gonarthrosis asserted radiologically and justifying according to the opinion of the rheumatologist a viscosupplementation.

Inclusion criteria

Inclusion Criteria:

  • Patient aged between 35 and 85 years.
  • Body mass index (BMI) \< 30 kg.m\^2.
  • Medial or lateral femoro-tibial knee osteoarthritis, diagnosed according to the American College of Rheumatology criteria, radiological stage 2 and 3 according to the Kellgren-Lawrence criteria modified by Felson on an X-ray, of the knee in extension, less than 12 months old.
  • Knee osteoarthritis responsible for walking pain in the target knee, assessed between 4 and 8 inclusive on an 11 points numerical scale (0 = none to 10 = extreme).
  • Ambulatory patient able to walk 50 meters without a cane, crutch or walker.
  • Patient able to read, understand, sign and date the patient information sheet.
  • Patient agreeing to follow-up study visits.
  • Patient affiliated to the health social security system.
  • Patient requiring viscosupplementation according to the investigator.

Exclusion criteria

Exclusion Criteria:

  • Patient presenting knee osteoarthritis without impingement joint space narrowing of the femoro-tibial compartment (modified Kellgren stage 0-1) or with complete impingement joint space narrowing on the knee weight-bearing radiograph in extension (modified Kellgren stage 4).
  • Walking pain in the target knee, rated less than 4 or more than 8 on an 11-point numerical scale (0 = none to 10 = extreme).
  • Patient with a flare of osteoarthritis of the target or contralateral knee attested by KOFUS criteria ≥ 7.
  • Patient who received viscosupplementation or Platelet Rich Plasma (PRP) injection in the 6 months prior to inclusion.
  • Patient who received an intra-articular injection of corticosteroids in the target knee in the 2 months prior to inclusion.
  • Patients with a skin condition or a wound next to or near the injection site.
  • Patients refusing to discontinue treatment with NSAIDs or cox-2 inhibitors during the follow-up period.
  • Patient receiving treatment with level III analgesics (strong opioids).
  • Patients receiving treatment with diacerhein, avocado and soy unsaponifiables, glucosamine or chondroitin initiated less than 2 months prior to inclusion.
  • Patient with hypersensitivity to hyaluronic acid or tranexamic acid.
  • Patient with a history of seizures.
  • Patient who had arthroscopy of the target knee or major trauma to the target knee during the 3 months preceding inclusion.
  • Patient scheduled to undergo surgery, for any cause, of the target knee or other joint of the lower limbs, planned within 6 months of inclusion, likely to interfere with follow-up or evaluation of the patient in the study.
  • Patient with Fibromyalgia.
  • Patient with an active neurological or vascular musculoskeletal disorder (such as rheumatoid arthritis, lupus, psoriatic arthritis, spondyloarthritis or any other autoimmune disease, Paget's disease, gout, coxopathy, tendinopathy of the lower limb, sciatic or crural radiculalgia) that could interfere with the measurement of the effectiveness of the treatment of the knee evaluated.
  • Patient with hemostasis disorders, venous or lymphatic stenosis of the lower limbs, history of thromboembolic disease - phlebitis or pulmonary embolism - or a high risk of thromboembolism.
  • Patients with an evolving general cardiac, digestive, endocrine, haematological or broncho-pulmonary condition which, in the opinion of the investigator, would be likely to disrupt regular monitoring and/or interfere with the measurement of treatment efficacy .
  • Breastfeeding patient, pregnant or wishing to be during the 6 months of the study.
  • Patient unable to give personal consent.
  • Patient with renal insufficiency.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
20 participants (actual)

Study arms

  • Experimental
    Medical Device : Happyone

    Hyaluronic acid associated with tranexamic acid ; 4.8 ml will be injected in one time

    Device: Intra-articular single injection

  • Experimental
    Medical Device : Happysoft

    Hyaluronic acid associated with tranexamic acid ; 2.2 ml will be injected in three times (one injection per week)

    Device: Intra-articular three injections

Interventions

  • DeviceIntra-articular single injection

    Both groups will receive their first injection after a selection visit ; first injection will be planned between 7 days to 30 days after to confirm the enrollment. The injection will be performed at Day 1.

  • DeviceIntra-articular three injections

    Both groups will receive their first injection after a selection visit ; first injection will be planned between 7 days to 30 days after to confirm the enrollment. The injections will be performed at Days 1, 8 and 15.

06

What researchers measure

Primary outcomes

  1. Number of adverse event attributable to the investigational Medical Device during the week following each injection.

    Adverse events will be collected at : * Day 8 for Happyone arm (single injection) ; * Days 8, 15 and 22 for Happysoft arm (three injections).

    Time frame: 1 month

Secondary outcomes

  1. Number of adverse events during the month following the first injection for immediate and delayed local tolerance evaluation.

    All adverse events will be collected at : * Days 3, 8, 22 and 29 for Happyone arm (single injection) ; * Days 3, 8, 10, 15, 17, 22 and 29 for Happysoft arm (three injections). Number of adverse events occurring beyond the week following each injection from Day 1 to D29.

    Time frame: 1 month

  2. Patient self-assesment of the overall tolerance of the treatment based on a 5-point scale, from "Very bad" to "Very good".

    This questionnaire will be completed at : * Days 3, 8, 22 and 29 for Happyone arm (single injection) ; * Days 3, 8, 10, 15, 17, 22 and 29 for Happysoft arm (three injections).

    Time frame: 1 month

  3. Variation over time of the WOMAC score, between time of injection and end point, and the WOMAC subscores A (pain) and C (function). The WOMAC-Questionnaire is based on a 11 points scale, from 0 = None to 10 = Extreme.

    This questionnaire will be completed at : * Day 1, Day 8, Month 1, Month 3 and Month 6 for Happyone arm (single injection) ; * Day 1, Day 8, Day 15, Month 1, Month 3 and Month 6 for Happysoft arm (three injections).

    Time frame: 6 months

  4. Patient self-assesment of the effectiveness of the treatment based on a 11 points numeric scale, from 0 = None to 10 = Total.

    This questionnaire will be completed at Months 1, 3 and 6 for both groups.

    Time frame: 6 months

07

Study locations

2 sites
  • Hôpital Nord Franche-Comté, HNFC
    Belfort, France
  • Groupe Hospitalier de la Région Mulhouse Sud-Alsace, GHRMSA
    Mulhouse, France
08

References and documents

Publications

  • Sellam J, Courties A, Eymard F, Ferrero S, Latourte A, Ornetti P, Bannwarth B, Baumann L, Berenbaum F, Chevalier X, Ea HK, Fabre MC, Forestier R, Grange L, Lellouche H, Maillet J, Mainard D, Perrot S, Rannou F, Rat AC, Roux CH, Senbel E, Richette P; French Society of Rheumatology. Recommendations of the French Society of Rheumatology on pharmacological treatment of knee osteoarthritis. Joint Bone Spine. 2020 Dec;87(6):548-555. doi: 10.1016/j.jbspin.2020.09.004. Epub 2020 Sep 12. PubMed 32931933 ↗
  • Balazs EA. Viscosupplementation for treatment of osteoarthritis: from initial discovery to current status and results. Surg Technol Int. 2004;12:278-89. PubMed 15455338 ↗
  • Concoff A, Sancheti P, Niazi F, Shaw P, Rosen J. The efficacy of multiple versus single hyaluronic acid injections: a systematic review and meta-analysis. BMC Musculoskelet Disord. 2017 Dec 21;18(1):542. doi: 10.1186/s12891-017-1897-2. PubMed 29268731 ↗
  • Diracoglu D, Tuncay TB, Sahbaz T, Aksoy C. Single versus multiple dose hyaluronic acid: Comparison of the results. J Back Musculoskelet Rehabil. 2016 Nov 21;29(4):881-886. doi: 10.3233/BMR-160714. PubMed 27257981 ↗
  • Bhadra AK, Altman R, Dasa V, Myrick K, Rosen J, Vad V, Vitanzo P Jr, Bruno M, Kleiner H, Just C. Appropriate Use Criteria for Hyaluronic Acid in the Treatment of Knee Osteoarthritis in the United States. Cartilage. 2017 Jul;8(3):234-254. doi: 10.1177/1947603516662503. Epub 2016 Aug 10. PubMed 28618868 ↗
  • Li J, Liu R, Rai S, Ze R, Tang X, Hong P. Intra-articular vs. intravenous administration: a meta-analysis of tranexamic acid in primary total knee arthroplasty. J Orthop Surg Res. 2020 Dec 2;15(1):581. doi: 10.1186/s13018-020-02119-1. PubMed 33267906 ↗
  • Ng W, Jerath A, Wasowicz M. Tranexamic acid: a clinical review. Anaesthesiol Intensive Ther. 2015;47(4):339-50. doi: 10.5603/AIT.a2015.0011. Epub 2015 Mar 23. PubMed 25797505 ↗
  • Jules-Elysee KM, Tseng A, Sculco TP, Baaklini LR, McLawhorn AS, Pickard AJ, Qin W, Cross JR, Su EP, Fields KG, Mayman DJ. Comparison of Topical and Intravenous Tranexamic Acid for Total Knee Replacement: A Randomized Double-Blinded Controlled Study of Effects on Tranexamic Acid Levels and Thrombogenic and Inflammatory Marker Levels. J Bone Joint Surg Am. 2019 Dec 4;101(23):2120-2128. doi: 10.2106/JBJS.19.00258. PubMed 31800425 ↗

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 22, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT05414617
Lead sponsor
Labrha
Collaborators
Statitec
Responsible party
Sponsor
First posted
Jun 10, 2022
Start date
Jun 8, 2022
Primary completion
Jan 18, 2023
Completion
Jun 14, 2023
Last update
Jun 22, 2023

Study contacts

Jean-Charles Balblanc, MD
principal investigator · Hôpital Nord Franche-Comté, HNFC

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Jun 2023. You cannot join it, but the record below documents what was studied.

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