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A Study of the Efficacy and Safety of Synvisc® in Chinese Subjects With Symptomatic Osteoarthritis of the Knee(s)

A Multicenter, Prospective, Open-label, Single Arm Study of the Efficacy and Safety of Synvisc® (Hylan G-F 20) in Chinese Subjects With Symptomatic Osteoarthritis of the Knee(s)

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01586338
Enrollment
237
Registered
2012-04-26
Start date
2012-03-31
Completion date
2013-09-30
Last updated
2016-02-24

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

Conditions

Osteoarthritis

Brief summary

Primary Objective: * To evaluate the change of Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) A1 subscore (walking pain) at 26 weeks compared to the Baseline score * To evaluate the safety using the incidence, severity, seriousness, relatedness, and frequency of all treatment emergent Adverse Events (AEs) Secondary Objectives: * To evaluate the change in WOMAC A1 subscore (walking pain) between baseline and weeks 8, and 12 * To evaluate the change in WOMAC A, B and C score between baseline and weeks 8, 12 and 26 * To evaluate the change in Patient Global Assessment (PTGA) score between baseline and weeks 8, 12 and 26 * To evaluate the change in Clinical Observer Global Assessment (COGA) score between baseline and weeks 8, 12 and 26 * To evaluate the change in concomitant Osteoarthritis (OA) therapy over 26 weeks and between baseline and weeks 1, 2, 8, 12 and 26

Detailed description

Duration of study period for each participants was 26-28 weeks.

Interventions

Intra-articular injection (pre-filled glass syringe)

Sponsors

Sanofi
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
30 Years to No maximum
Healthy volunteers
No

Inclusion criteria

: 1. The participants had a diagnosis of OA of the Target Knee confirmed by recent X-Ray (mild to moderate joint space narrowing and/or osteophytes predominant in the tibiofemoral compartment) 2. WOMAC A1 baseline 100 mm Visual Analog Score (VAS) between 40-80 mm (moderate or severe walking pain) in the Target knee 3. Participants with bilateral disease included in the study with the below strict conditions: * Only one knee included in the efficacy assessment and considered the Target Knee (The worst knee by the WOMAC A1 pain scale should be selected). The selected knee must meet the inclusion and

Exclusion criteria

* The non-target knee might also be treated with Synvisc® and did not need to meet the Kellgren-Lawrence (KL) grade knee specific inclusion criteria described above. The other criteria applied, and included in safety assessment 4. Pre-menopausal female participants had a negative urine pregnancy test and continue to use a medically acceptable form of contraception for the duration of the study. Otherwise, females had been surgically sterile, or postmenopausal (as documented in medical history) for at least 1 year

Design outcomes

Primary

MeasureTime frameDescription
Change From Baseline in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) A1 Subscore (Walking Pain) at Week 26Baseline, Week 26 (missing data imputed by Last Observation Carried Forward [LOCF])WOMAC is health status measure questionnaire of twenty-four questions comprising 3 subscales (pain, stiffness and physical function). WOMAC A1 (walking pain) was measured on a scale of 0-100 mm, where lower score represents lower pain and higher score represents higher pain.
Overview of Adverse Events (AE)Up to Week 26An AE could be any unfavorable and unintended symptom, sign, disease or condition, or test abnormality whether or not considered related to the investigational product. A serious adverse event (SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Treatment-emergent AEs (TEAE): AEs that developed/worsened during the 'on treatment period' (from first dose of study drug until the end of study period). Category AE included participant with both serious and non-serious AE.

Secondary

MeasureTime frameDescription
Patient Global Assessment (PTGA) ScoreBaseline, Week 8, 12 and 26 (missing data imputed by LOCF)PTGA (self-assessment of target knee osteoarthritis condition) was measured using the 5 point Likert scale (0=very well, 1=well, 2=fair, 3=poor, 4=very poor) by participants to rate the osteoarthritis condition. Percentage of participants with different categories of PTGA score at baseline, Week 8, 12 and 26 are reported.
Change From Baseline in WOMAC A1 Subscore (Walking Pain) at Week 8 and 12Baseline, Week 8 and Week 12 (missing data imputed by LOCF)WOMAC is health status measure questionnaire of twenty-four questions comprising 3 subscales (pain, stiffness and physical function). WOMAC A1 (walking pain) was measured on a scale of 0-100 mm, where lower score represents lower pain and higher score represents higher pain.
Percentage of Participants With Change in Concomitant Medication of Osteoarthritis Therapy at Week 26Baseline up to Week 26Participants were asked about their perception regarding any additional Osteoarthritis medications or treatments or any changes in regimen or dosages compared to their baseline (Day 1) state. Any change in the therapy (less use of other therapies, more use of other therapies and no change in use of other therapies) during the study was reported.
Clinical Observer Global Assessment (COGA) ScoreBaseline, Week 8, 12 and 26 (missing data imputed by LOCF)COGA (assessment of target knee osteoarthritis condition) was measured using the 5 point Likert scale (0=very well, 1=well, 2=fair, 3=poor, 4=very poor) by the physician to rate participant's osteoarthritis condition. Percentage of participants with different categories of COGA score at baseline,Week 8, 12 and 26 are reported.
Change From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26Baseline, Week 8, 12 and 26 (missing data imputed by LOCF)WOMAC is health status measure questionnaire of twenty-four questions comprising 3 subscales (pain, stiffness and physical function). Each question was measured on a scale of 0-100 mm where lower score represents lower pain (better condition) and higher score represents higher pain. WOMAC A (measure of pain during walking on a flat surface) was sum of first five items with total score ranging from 0-500 mm, Lower score represents lower pain and higher score represents higher pain. WOMAC B (Stiffness) is the sum of the sixth and seventh item, it is in the range of 0-200 mm. WOMAC C (function) is the sum of the eighth to twenty-forth item, the score is in the range of 0-1700 mm.

Countries

China

Participant flow

Recruitment details

The study was conducted at 10 centers in China. A total of 237 participants were enrolled between March 09, 2012 and February 28, 2013.

Pre-assignment details

Of 237 enrolled participants 232 participants were treated. 5 participants were excluded from total enrolled (3 participant due to informed consent filled by family, and 2 participant due to no efficacy data after treatment).

Participants by arm

ArmCount
Synvisc
Three IA injections of Synvisc (2.25 ml glass syringe containing 16 mg hylan G-F 20) at intervals of one week. The total duration of observation was 26 weeks.
237
Total237

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyAdverse Event3
Overall StudyLost to Follow-up1
Overall StudyOther1
Overall StudyWithdrawal by participant3

Baseline characteristics

CharacteristicSynvisc
Age, Continuous62.9 years
STANDARD_DEVIATION 9.56
Sex: Female, Male
Female
183 Participants
Sex: Female, Male
Male
54 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
66 / 237
serious
Total, serious adverse events
4 / 237

Outcome results

Primary

Change From Baseline in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) A1 Subscore (Walking Pain) at Week 26

WOMAC is health status measure questionnaire of twenty-four questions comprising 3 subscales (pain, stiffness and physical function). WOMAC A1 (walking pain) was measured on a scale of 0-100 mm, where lower score represents lower pain and higher score represents higher pain.

Time frame: Baseline, Week 26 (missing data imputed by Last Observation Carried Forward [LOCF])

Population: Full Analysis Set (FAS) included all participants who received at least one injection of Synvisc®. 5 participants were excluded from total enrolled (3 participant due to informed consent filled by family, and 2 participant due to no efficacy data after treatment).

ArmMeasureValue (MEAN)Dispersion
SynviscChange From Baseline in Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) A1 Subscore (Walking Pain) at Week 26-33.0 mmStandard Deviation 17.71
p-value: <0.0001Paired t-test
p-value: <0.0001Sign Rank Test
Primary

Overview of Adverse Events (AE)

An AE could be any unfavorable and unintended symptom, sign, disease or condition, or test abnormality whether or not considered related to the investigational product. A serious adverse event (SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. Treatment-emergent AEs (TEAE): AEs that developed/worsened during the 'on treatment period' (from first dose of study drug until the end of study period). Category AE included participant with both serious and non-serious AE.

Time frame: Up to Week 26

Population: Safety Set included all participants who received at least one injection of Synvisc.

ArmMeasureGroupValue (NUMBER)
SynviscOverview of Adverse Events (AE)AEs27.8 percentage of participants
SynviscOverview of Adverse Events (AE)Treatment-emergent AEs27.8 percentage of participants
SynviscOverview of Adverse Events (AE)Treatment-emergent SAEs1.7 percentage of participants
SynviscOverview of Adverse Events (AE)Treatment-emergent AEs Lead to Discontinuation0.4 percentage of participants
Secondary

Change From Baseline in WOMAC A1 Subscore (Walking Pain) at Week 8 and 12

WOMAC is health status measure questionnaire of twenty-four questions comprising 3 subscales (pain, stiffness and physical function). WOMAC A1 (walking pain) was measured on a scale of 0-100 mm, where lower score represents lower pain and higher score represents higher pain.

Time frame: Baseline, Week 8 and Week 12 (missing data imputed by LOCF)

Population: FAS population.

ArmMeasureGroupValue (MEAN)Dispersion
SynviscChange From Baseline in WOMAC A1 Subscore (Walking Pain) at Week 8 and 12Change form baseline at Week 8-26.0 mmStandard Deviation 17.68
SynviscChange From Baseline in WOMAC A1 Subscore (Walking Pain) at Week 8 and 12Change form baseline at Week 12-30.0 mmStandard Deviation 17.43
Secondary

Change From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26

WOMAC is health status measure questionnaire of twenty-four questions comprising 3 subscales (pain, stiffness and physical function). Each question was measured on a scale of 0-100 mm where lower score represents lower pain (better condition) and higher score represents higher pain. WOMAC A (measure of pain during walking on a flat surface) was sum of first five items with total score ranging from 0-500 mm, Lower score represents lower pain and higher score represents higher pain. WOMAC B (Stiffness) is the sum of the sixth and seventh item, it is in the range of 0-200 mm. WOMAC C (function) is the sum of the eighth to twenty-forth item, the score is in the range of 0-1700 mm.

Time frame: Baseline, Week 8, 12 and 26 (missing data imputed by LOCF)

Population: FAS population.

ArmMeasureGroupValue (MEAN)Dispersion
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC A: Change from baseline at Week 8-92.7 mmStandard Deviation 71.77
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC A: Change from baseline at Week 12-109.8 mmStandard Deviation 73.68
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC A: Change from baseline at Week 26-121.5 mmStandard Deviation 77.18
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC B: Change from baseline at Week 8-28.9 mmStandard Deviation 37.53
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC B: Change from baseline at Week 12-34.6 mmStandard Deviation 38.44
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC B: Change from baseline at Week 26-36.6 mmStandard Deviation 39.75
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC C: Change from baseline at Week 8-270.0 mmStandard Deviation 252.86
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC C: Change from baseline at Week 12-325.9 mmStandard Deviation 258.57
SynviscChange From Baseline in WOMAC A, B and C Score at Weeks 8, 12 and 26WOMAC C: Change from baseline at Week 26-358.4 mmStandard Deviation 270.48
Secondary

Clinical Observer Global Assessment (COGA) Score

COGA (assessment of target knee osteoarthritis condition) was measured using the 5 point Likert scale (0=very well, 1=well, 2=fair, 3=poor, 4=very poor) by the physician to rate participant's osteoarthritis condition. Percentage of participants with different categories of COGA score at baseline,Week 8, 12 and 26 are reported.

Time frame: Baseline, Week 8, 12 and 26 (missing data imputed by LOCF)

Population: FAS population.

ArmMeasureGroupValue (NUMBER)
SynviscClinical Observer Global Assessment (COGA) ScoreBaseline: Very Poor5.6 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 8: Very Well5.2 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 26: Poor7.8 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 12: Very Well7.3 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreBaseline: Very Well0.0 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreBaseline: Well1.7 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreBaseline: Fair35.3 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreBaseline: Poor57.3 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 8: Well42.7 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 8: Fair41.8 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 8: Poor9.9 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 8: Very Poor0.4 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 12: Well44.4 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 12: Fair41.8 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 12: Poor6.0 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 12: Very Poor0.4 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 26: Very Well9.5 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 26: Well47.4 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 26: Fair35.3 percentage of participants
SynviscClinical Observer Global Assessment (COGA) ScoreWeek 26: Very Poor0.0 percentage of participants
Secondary

Patient Global Assessment (PTGA) Score

PTGA (self-assessment of target knee osteoarthritis condition) was measured using the 5 point Likert scale (0=very well, 1=well, 2=fair, 3=poor, 4=very poor) by participants to rate the osteoarthritis condition. Percentage of participants with different categories of PTGA score at baseline, Week 8, 12 and 26 are reported.

Time frame: Baseline, Week 8, 12 and 26 (missing data imputed by LOCF)

Population: FAS population.

ArmMeasureGroupValue (NUMBER)
SynviscPatient Global Assessment (PTGA) ScoreWeek 8: Very Poor0.9 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 12: Very Well5.2 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreBaseline: Very Well0.0 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreBaseline: Well1.3 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreBaseline: Fair29.3 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreBaseline: Poor60.3 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreBaseline: Very Poor9.1 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 8: Very Well4.3 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 8: Well41.8 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 8: Fair46.1 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 8 : Poor6.9 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 12: Well44.4 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 12: Fair44.0 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 12: Poor6.0 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 12: Very Poor0.4 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 26: Very Well8.2 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 26: Well46.6 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 26: Fair37.1 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 26: Poor7.8 percentage of participants
SynviscPatient Global Assessment (PTGA) ScoreWeek 26: Very Poor0.4 percentage of participants
Secondary

Percentage of Participants With Change in Concomitant Medication of Osteoarthritis Therapy at Week 26

Participants were asked about their perception regarding any additional Osteoarthritis medications or treatments or any changes in regimen or dosages compared to their baseline (Day 1) state. Any change in the therapy (less use of other therapies, more use of other therapies and no change in use of other therapies) during the study was reported.

Time frame: Baseline up to Week 26

Population: FAS population.

ArmMeasureGroupValue (NUMBER)
SynviscPercentage of Participants With Change in Concomitant Medication of Osteoarthritis Therapy at Week 26Required Less Use of Other Therapies2.2 percentage participants
SynviscPercentage of Participants With Change in Concomitant Medication of Osteoarthritis Therapy at Week 26Required More Use of Other Therapies3.0 percentage participants
SynviscPercentage of Participants With Change in Concomitant Medication of Osteoarthritis Therapy at Week 26Required No Change in Use of Other Therapies93.1 percentage participants
SynviscPercentage of Participants With Change in Concomitant Medication of Osteoarthritis Therapy at Week 26Missing1.7 percentage participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026