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Osteoarthritis, KneePhase 4PIONEERNCT05214807

Long-term Safety and Performance of KiOmedine CM-Chitosan Supplementation in Advanced Symptomatic Knee Osteoarthritis

A Phase 4 study testing KiOmedine® CM-Chitosan and Synvisc-One® in people with Osteoarthritis, Knee, run by Kiomed Pharma at 1 site in Belgium.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

A single-blind randomized controlled design intended for the assessment of safety and performance of a single intra-articular injection of the IMD. In the study, 92 patients meeting eligibility criteria will be randomly assigned to two groups respectively of 46 subjects receiving a single injection of the IMD and 46… Read more about this study

Who is it for?
Ages 40 to 85 years
Conditions the study is for
Osteoarthritis, Knee
What is being tested?
KiOmedine® CM-Chitosan and Synvisc-One®
Could I receive a placebo?
No, everyone receives an active treatment
How many people
104 participants
Where
1 siteBelgium
Study dates
26 Jan 2022to 20 Feb 2024
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 to 85 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male or female aged ≥ 40 years and ≤ 85 years.
  • Advanced osteoarthritis, involving one or multiple of the following phenotypes: tricompartmental osteoarthritis, isolated or severe patella-femoral osteoarthritis, a BMI ≥ 30 kg/m2, and/or a Kellgren and Lawrence grade III or IV classification:
  • Patellofemoral osteoarthritis referring to symptoms, including pain, that are principally of patellofemoral origin (Patellar syndrome).
  • Radiological Kellgren and Lawrence grade III to IV from a standing knee radiograph taken less than 6 months previously.
  • Symptomatic osteoarthritis diagnosed via radiographic assessment and according to the clinical and radiological criteria of the American College of Rheumatology (ACR).
  • Single intra-articular corticosteroid injection during the screening visit (V0), according to standard clinical practice, to resolve clinically apparent knee effusion and/or local signs of inflammation. Patients can only participate in the clinical investigation when there is no sign of effusion and no local signs of inflammation at the patient in visit (V1) which is planned 1-2 weeks after the screening visit.
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  • Moderate to severe symptomatic pain (i.e., total score on the WOMAC pain subscale ≥12) at screening visit in the treatment knee not or poorly responding to first line non-opioid analgesics and non-steroidal anti-inflammatory drug in oral uptake.
  • Pain criteria assessed prior to injection using the 5-point Likert WOMAC pain score:
  • Treatment knee: moderate to severe pain in the most affected knee (i.e., total score on the WOMAC pain subscale ≥12).
  • Non-treatment knee: no to mild pain in the less/non affected knee (i.e., total score on the WOMAC pain subscale ≤5).
  • Fully ambulatory patient for functional evaluation.
  • For female NOT surgically sterile (tubal ligation or hysterectomy) or NOT postmenopausal for at least one year, must have an effective contraception (pill, patch, ring, diaphragm, implant or intrauterine device).
  • Able to understand and follow the instructions of the study.
  • Having signed a written informed consent.

Who cannot join

  • Meeting one of the following contraindications as stated in the instructions for use of KiOmedine® CM-Chitosan or Synvisc® One:
  • A known allergy or hypersensitivity to any of the product components,
  • Infections or skin disease at or around the injection site,
  • Severe inflammation, synovitis or inflammatory arthritis of the knee joint,
  • A history of autoimmune and crystal diseases,
  • Evidence of lymphatic or venous stasis or serious blood disorders.

Trial locations and contacts

1 site in 1 country.

Belgium1 site
  • Hip and Knee Unit

    Ghent, 9000

Other trials in Belgium

About this study

Official title: Safety and Performance of an Intra-articular Injection of KiOmedine CM-Chitosan in Patients With Advanced Symptomatic Knee Osteoarthritis: Single-blind Randomized Controlled Trial With a 12-month Follow-up Period.

A single-blind randomized controlled design intended for the assessment of safety and performance of a single intra-articular injection of the IMD. In the study, 92 patients meeting eligibility criteria will be randomly assigned to two groups respectively of 46 subjects receiving a single injection of the IMD and 46 subjects receiving a single injection of Synvisc-One® (Hylan G-F 20) which is selected as comparator. Each patient will be blinded for the treatment he/she receives at the injection visit (single blinding).

The patients will be followed for 12 months post-injection to understand long-term safety and performance effects.

Read more

The study aims to evaluate the safety and performance of a single injection of KiOmedine® CM-Chitosan compared to the comparator device (Synvisc-One®) in patients with advanced symptomatic knee osteoarthritis.

The non-inferiority hypothesis for the primary performance objective is that the percentage mean reduction in pain from baseline at 6 months in the KiOmedine® CM-Chitosan group is non-inferior to that of the comparator group considering a non-inferiority margin. If the hypothesis of non-inferiority is met, then superiority testing will be performed.

Being tested
KiOmedine® CM-Chitosan, Synvisc-One®
Medical subject headings
Osteoarthritis, Knee

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • KiOmedine® CM-ChitosanDevice

    KiOmedine® CM-Chitosan is a fluid implant intended for synovial fluid supplementation for the symptomatic treatment of osteoarthritis (OA). This Investigational Medical Device (IMD) is administered via intra-articular injection and is classified as a Class III Device under Council Directive 93/42/EEC (Annex IX, rule 8). A key component of the IMD is a soluble derivative of highly purified chitosan of non-animal origin, an exclusive natural linear glucosamine polysaccharide extracted from the edible white mushroom, Agaricus bisporus. KiOmedine® CM-Chitosan is sterile, non-pyrogenic, resorbable and composed of 2% (w:w) carboxymethyl chitosan (CM-chitosan).

  • Synvisc-One®Device

    Synvisc-One (Hylan G-F 20) is a sterile, nonpyrogenic, elastoviscous fluid containing Hylan A and Hylan B polymers produced from chicken combs. Hylans are derivatives of hyaluronan (sodium salt of hyaluronic acid) and consist of repeating disaccharide units of N-acetylglucosamine and sodium glucuronate. Hylan A has an average molecular weight of approximately 6,000,000 daltons and hylan B is a hydrated gel. Hylan G-F 20 contains Hylan A and Hylan B (8.0 mg ± 2.0 mg per ml) in buffered physiological sodium chloride solution (pH 7.2 ± 0.3) and is unique in that the hyaluronan is chemically crosslinked.

Study groups in NCT05214807
Study groupRoleWhat they receive
Control group receiving Synvisc-One®Active comparatorNot described
Receives: Device: Synvisc-One®
IMD group receiving KiOmedine® CM-ChitosanExperimentalNot described
Receives: Device: KiOmedine® CM-Chitosan

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Percentage change from baseline in knee pain at 6 months post-injection measured by the 5-point Likert WOMAC pain scale.

    Measured: 6 months

Secondary outcomes (7)
  1. Percentage change from baseline in knee pain measured by the 5-point Likert WOMAC pain scale.

    Measured: 2 weeks, 3 months, 9 months and 12 months post-injection.

  2. Percentage change from baseline in knee stiffness measured by the 5-point Likert WOMAC stiffness scale.

    Measured: 2 weeks, 3 months, 6 months, 9 months, and 12 months post-injection.

  3. Percentage change from baseline in physical functioning measured by the 5-point Likert WOMAC physical functioning scale.

    Measured: 2 weeks, 3 months, 6 months, 9 months, and 12 months post-injection.

  4. Percentage change from baseline in the total WOMAC score.

    Measured: 2 weeks, 3 months, 6 months, 9 months, and 12 months post-injection.

  5. Percentage change from baseline in patient's pain and global assessment using an 11-point numerical rating scale.

    Measured: 2 weeks, 3 months, 6 months, 9 months, and 12 months post-injection.

  6. Response to treatment according to the Osteoarthritis Research Society International (OARSI) Standing Committee for Clinical Trials Response Criteria Initiative and the Outcome Measures in Rheumatology (OMERACT).

    Measured: 2 weeks, 3 months, 6 months, 9 months and 12 months post-injection.

  7. Treatment responders with >40% improvement from baseline in pain measured by the 5-point Likert WOMAC pain scale.

    Measured: 2 weeks, 3 months, 6 months, 9 months, and 12 months post-injection.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted31 Jan 2022
  2. Study start26 Jan 2022
  3. Primary completion20 Aug 2023 (estimated)
  4. Study completion20 Feb 2024 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
104 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05214807
Sponsor's protocol ID
KIO014-PIONEER
Acronym
PIONEER
Status last verified
Mar 2023
First submitted
17 Jan 2022
Last updated
8 Mar 2023
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing KiOmedine® CM-Chitosan and Synvisc-One® in people with Osteoarthritis, Knee, run by Kiomed Pharma at 1 site in Belgium.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 14 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 8 Mar 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Belgium. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Percentage change from baseline in knee pain at 6 months post-injection measured by the 5-point Likert WOMAC pain scale. (time frame: 6 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 8 Mar 2023.

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