Clinical Trial Results:
Knee joint replacement over 5 years in patients with knee osteoarthritis. A long term follow up study in patients of the CL3-12911-018 study.
Summary
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EudraCT number |
2011-004046-18 |
Trial protocol |
CZ DE AT BE PL ES IT DK LT PT |
Global end of trial date |
30 Jun 2014
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Results information
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Results version number |
v1(current) |
This version publication date |
06 Jul 2016
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First version publication date |
31 Jul 2015
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Other versions |
Trial Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
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Trial identification
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Sponsor protocol code |
CL3-12911-040
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
- | ||
WHO universal trial number (UTN) |
- | ||
Sponsors
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Sponsor organisation name |
Institut de Recherches Internationales Servier
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Sponsor organisation address |
50 rue Carnot, Suresnes, France, 92284
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Public contact |
Therapeutic Innovation pole, Institut de Recherches Internationales Servier , 0033 0155724366, clinicaltrials@servier.com
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Scientific contact |
Therapeutic Innovation pole, Institut de Recherches Internationales Servier , 0033 0155724366, clinicaltrials@servier.com
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Paediatric regulatory details
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Is trial part of an agreed paediatric investigation plan (PIP) |
No
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Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Results analysis stage
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Analysis stage |
Final
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Date of interim/final analysis |
30 Jun 2014
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Is this the analysis of the primary completion data? |
Yes
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Primary completion date |
30 Jun 2014
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Global end of trial reached? |
Yes
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Global end of trial date |
30 Jun 2014
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Was the trial ended prematurely? |
Yes
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General information about the trial
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Main objective of the trial |
To collect data on knee joint replacement procedures or procedures practiced in the knee (arthroscopy, osteotomy or other) over 5 years in patients with knee osteoarthritis having participated in the CL3-12911-018 study and having received at least one year (365 days) of CL3-12911-018 study treatment (Strontium Ranelate 1g/2g or placebo).
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Protection of trial subjects |
A patient could be prematurely and definitively discontinued from the study for medical (i.e. any new medical condition that may prevent the patient’s study participation) or or non-medical reason (including participant’s consent withdrawal) or patient lost to follow-up.
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
19 Mar 2012
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Long term follow-up planned |
Yes
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Long term follow-up rationale |
Safety, Efficacy | ||
Long term follow-up duration |
5 Years | ||
Independent data monitoring committee (IDMC) involvement? |
No
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Population of trial subjects
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Number of subjects enrolled per country |
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Country: Number of subjects enrolled |
Poland: 71
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Country: Number of subjects enrolled |
Portugal: 4
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Country: Number of subjects enrolled |
Spain: 96
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Country: Number of subjects enrolled |
Austria: 27
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Country: Number of subjects enrolled |
Belgium: 69
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Country: Number of subjects enrolled |
Czech Republic: 23
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Country: Number of subjects enrolled |
Denmark: 151
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Country: Number of subjects enrolled |
France: 42
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Country: Number of subjects enrolled |
Germany: 21
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Country: Number of subjects enrolled |
Italy: 68
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Country: Number of subjects enrolled |
Lithuania: 5
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Country: Number of subjects enrolled |
Australia: 21
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Country: Number of subjects enrolled |
Canada: 149
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Country: Number of subjects enrolled |
Estonia: 26
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Country: Number of subjects enrolled |
Netherlands: 12
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Country: Number of subjects enrolled |
Romania: 7
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Country: Number of subjects enrolled |
Russian Federation: 39
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Country: Number of subjects enrolled |
United Kingdom: 47
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Worldwide total number of subjects |
878
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EEA total number of subjects |
669
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Number of subjects enrolled per age group |
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In utero |
0
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Preterm newborn - gestational age < 37 wk |
0
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Newborns (0-27 days) |
0
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Infants and toddlers (28 days-23 months) |
0
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Children (2-11 years) |
0
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Adolescents (12-17 years) |
0
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Adults (18-64 years) |
303
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From 65 to 84 years |
569
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85 years and over |
6
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Recruitment
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Recruitment details |
In all, 75 centres in 18 countries from the CL3-12911-018 study (having received at least one year of study treatment) included 878 patients. | ||||||||||||||||||||||||||||||||
Pre-assignment
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Screening details |
Of the 1206 patients included in the CL3-12911-018 study with at least one year of study treatment, 878 patients were included in the present study: 288 patients in the former SrRan 1 g group, 296 patients in the former SrRan 2 g group, and 294 patients in the former placebo group. | ||||||||||||||||||||||||||||||||
Period 1
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Period 1 title |
Whole study period (overall period)
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Is this the baseline period? |
Yes | ||||||||||||||||||||||||||||||||
Allocation method |
Randomised - controlled
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Blinding used |
Not blinded | ||||||||||||||||||||||||||||||||
Arms
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Are arms mutually exclusive |
Yes
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Arm title
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Former SrRan 1 g | ||||||||||||||||||||||||||||||||
Arm description |
Patients received at least one year (365 days) of treatment of strontium ranelate 1 g during the CL3-12911-018 study, i.e. called in the present study former SrRan 1 g. | ||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Strontium ranelate 1g
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Investigational medicinal product code |
S12911
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Other name |
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Pharmaceutical forms |
Granules
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Routes of administration |
Oral use
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Dosage and administration details |
One sachet of granules containing 1g of strontium ranelate had to be taken daily in the evening at bedtime preferably 2 hours after eating. The content of the sachet was to be mixed with at least 50 mL of tap water (approximately third of a glass) and the suspension obtained should be taken immediately. The sachet should not be taken with meals, calcium or drinks containing milk or calcium.
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Arm title
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Former SrRan 2 g | ||||||||||||||||||||||||||||||||
Arm description |
Patients received at least one year (365 days) of treatment of strontium ranelate 2 g during the CL3-12911-018 study, i.e. called in the present study former SrRan 2 g. | ||||||||||||||||||||||||||||||||
Arm type |
Experimental | ||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Strontium ranelate 2g
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Investigational medicinal product code |
S12911
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Other name |
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Pharmaceutical forms |
Granules
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Routes of administration |
Oral use
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Dosage and administration details |
One sachet of granules containing 2g of strontium ranelate had to be taken daily in the evening at bedtime preferably 2 hours after eating. The content of the sachet was to be mixed with at least 50 mL of tap water (approximately third of a glass) and the suspension obtained should be taken immediately. The sachet should not be taken with meals, calcium or drinks containing milk or calcium.
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Arm title
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Former Placebo | ||||||||||||||||||||||||||||||||
Arm description |
Patients received at least one year (365 days) of Placebo during the CL3-12911-018 study, i.e. called in the present study former Placebo. | ||||||||||||||||||||||||||||||||
Arm type |
Placebo | ||||||||||||||||||||||||||||||||
Investigational medicinal product name |
Placebo
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Granules
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Routes of administration |
Oral use
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Dosage and administration details |
One sachet of granules containing placebo had to be taken daily in the evening at bedtime preferably 2 hours after eating. The content of the sachet was to be mixed with at least 50 mL of tap water (approximately third of a glass) and the suspension obtained should be taken immediately. The sachet should not be taken with meals, calcium or drinks containing milk or calcium.
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Baseline characteristics reporting groups
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Reporting group title |
Whole study period
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Reporting group description |
- | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Subject analysis sets
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Subject analysis set title |
Included Set follow-up
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Subject analysis set type |
Intention-to-treat | |||||||||||||||||||||||||||||||||||||||||||||||||||
Subject analysis set description |
All randomised patients in the CL3-12911-018 study who are included in the follow-up study.
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End points reporting groups
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Reporting group title |
Former SrRan 1 g
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Reporting group description |
Patients received at least one year (365 days) of treatment of strontium ranelate 1 g during the CL3-12911-018 study, i.e. called in the present study former SrRan 1 g. | ||
Reporting group title |
Former SrRan 2 g
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Reporting group description |
Patients received at least one year (365 days) of treatment of strontium ranelate 2 g during the CL3-12911-018 study, i.e. called in the present study former SrRan 2 g. | ||
Reporting group title |
Former Placebo
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Reporting group description |
Patients received at least one year (365 days) of Placebo during the CL3-12911-018 study, i.e. called in the present study former Placebo. | ||
Subject analysis set title |
Included Set follow-up
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Subject analysis set type |
Intention-to-treat | ||
Subject analysis set description |
All randomised patients in the CL3-12911-018 study who are included in the follow-up study.
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End point title |
Knee joint replacement and other knee surgery/procedure [1] | ||||||||||||
End point description |
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End point type |
Primary
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End point timeframe |
The evaluation criterion was the number of patients who underwent a knee joint replacement defined as a surgery for total prosthesis and/or partial prosthesis.
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Notes [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point. Justification: The study has been prematurely stopped due to strategic reasons, therefore changes have been decided in the statistical analysis : descriptive statistics (quantitative, qualitative) were provided by treatment group depending on the nature of the criteria. |
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Notes [2] - Included Set follow-up [3] - Included Set follow-up [4] - Included Set follow-up |
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No statistical analyses for this end point |
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Adverse events information [1]
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Timeframe for reporting adverse events |
As no medicinal investigational product was delivered and no study specific procedure was planned, no adverse event was expected to be collected.
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Assessment type |
Systematic | ||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | ||||||||||||||||||||
Dictionary version |
16
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Reporting groups
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Reporting group title |
Former SrRan 1 g
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Reporting group description |
As no medicinal investigational product was delivered and no study specific procedure was planned, no adverse event was expected to be collected. | ||||||||||||||||||||
Reporting group title |
Former SrRan 2 g
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Reporting group description |
As no medicinal investigational product was delivered and no study specific procedure was planned, no adverse event was expected to be collected. | ||||||||||||||||||||
Reporting group title |
Former Placebo
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Reporting group description |
As no medicinal investigational product was delivered and no study specific procedure was planned, no adverse event was expected to be collected. | ||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 5% | |||||||||||||||||||||
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Notes [1] - There are no non-serious adverse events recorded for these results. It is expected that there will be at least one non-serious adverse event reported. Justification: As no medicinal investigational product was delivered and no study specific procedure was planned, no adverse event was expected to be collected. |
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Substantial protocol amendments (globally) |
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Were there any global substantial amendments to the protocol? No | |||||||
Interruptions (globally) |
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Were there any global interruptions to the trial? Yes | |||||||
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Limitations and caveats |
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Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data. | |||||||
None reported |