Clinical Trial Results:
A prospective multi-centre, randomised, controlled study to evaluate the safety and preliminary effectiveness of NVD-001 for the treatment of low grade degenerative lumbar spondylolisthesis by interbody fusion (L1 – S1).
Summary
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EudraCT number |
2016-002642-23 |
Trial protocol |
BE PL CZ |
Global end of trial date |
09 Dec 2020
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Results information
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Results version number |
v1(current) |
This version publication date |
01 Jul 2022
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First version publication date |
01 Jul 2022
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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 |
NVD-CLN01
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
NCT03100032 | ||
WHO universal trial number (UTN) |
- | ||
Other trial identifiers |
UMIN: UMIN000026062 | ||
Sponsors
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Sponsor organisation name |
Novadip Biosciences
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Sponsor organisation address |
Watson & Crick Hill, Rue Granbonpré 11, Mont-saint Guibert, Belgium, 1435
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Public contact |
Regulatory Affairs Manager, Novadip Biosciences, Helene.servais@novadip.com
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Scientific contact |
Clinical & Medical Manager, Novadip Biosciences, Dieter.frijns@novadip.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 |
01 Oct 2021
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Is this the analysis of the primary completion data? |
Yes
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Primary completion date |
09 Dec 2020
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Global end of trial reached? |
Yes
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Global end of trial date |
09 Dec 2020
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Was the trial ended prematurely? |
No
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General information about the trial
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Main objective of the trial |
To evaluate the safety (local and systemic) of a specific surgical intervention with the use of NVD-001 (AEs, AESI, SAEs) in patients with symptomatic low-grade degenerative spondylolisthesis grade I or II undergoing surgery for spinal fusion of one vertebral segment (L1-S1).
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Protection of trial subjects |
Postoperatively, the patients underwent 5 FU visits to assess safety (AEs, AEs of special interest [AESI], SAEs), surgical characteristics (blood loss, duration of hospital stay)
Additional product specific safety measures were performed:
1. Safety lab testing
2. Scan of implant region and Chest.
-Signs of local toxicity of experimental product have been evaluated on CT and radiographic images by the local radiologist and the principal investigator as well as by the independent radiologist(s) and include:
Trabecular bone resorption
Intravertebral cystic changes
Soft tissue calcification/ossification
Peridiscal soft tissue swelling
Hyperostosis
Tumour growth
-Signs of systemic toxicity have been evaluated on chest radiographs by the local radiologist and include appearance of calcification/ ossification on serial X-Rays in comparison with preoperative X-Rays.
Ectopic bone formation
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Background therapy |
Subjects in the control group will be treated with autologous cancellous bone harvested at the time of the spinal fusion surgery. As harvesting bone from the iliac crest is associated with a series of complications and morbidity, only bone chips collected during laminectomy are allowed. If insufficient volume is available to fill and surround the cage(s), DBM can be added (as per hospital protocol). The trade name and manufacturer name of the product as well as the volume used will be recorded in the eCRF. NOTE: patient numbers: 23 NVD-001 9 comparator SOC Age range: --> the system did not allow to complete the below data correctly in age breakdown 18-64: 25 >64: 8 | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
01 Nov 2016
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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 |
2 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: 19
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Country: Number of subjects enrolled |
Belgium: 6
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Country: Number of subjects enrolled |
Czechia: 7
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Worldwide total number of subjects |
32
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EEA total number of subjects |
32
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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) |
32
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From 65 to 84 years |
0
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85 years and over |
0
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Recruitment
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Recruitment details |
A total of 48 patients were screened by 7 principal investigators (7 centers) from 3 countries (Belgium, Czech Republic and Poland) between 01 February 2017 and 31 July 2018.Therefore, a total of 32 patients were included (01 February 2017 to 29 June 2018), randomized and treated either with NVD-001 (N=23; 71.9%) or SOC (N=9; 28.1%). | |||||||||
Pre-assignment
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Screening details |
A total of 48 patients were screened by 7 principal investigators (7 centers) from 3 countries (Belgium, Czech Republic and Poland) between 01 February 2017 and 31 July 2018 . Eleven patients were considered as screen failures. Five patients dropped out from the study before surgery. | |||||||||
Period 1
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Period 1 title |
Overall trial (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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Standard of Care (SOC) | |||||||||
Arm description |
Subjects of the control group will be treated with autologous cancellous bone locally harvested during the same operation. At the Investigator’s discretion, one or two interbody PEEK cage(s) is/are to be filled with and surrounded by autologous locally harvested cancellous bone (laminectomy) before implantation. As harvesting bone from the iliac crest is associated with a series of complications and morbidity, only bone chips (spinous process/lamina) collected during laminectomy are allowed. If insufficient volume is available to fill and surround the cage(s), DBM can be added (as per hospital protocol). The trade name of the product and volume used will be recorded in the eCRF. | |||||||||
Arm type |
Active comparator | |||||||||
Investigational medicinal product name |
Autologous bone
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Investigational medicinal product code |
Autologous bone harvested from the patient
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Other name |
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Pharmaceutical forms |
Not assigned
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Routes of administration |
Not mentioned
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Dosage and administration details |
Subjects of the control group will be treated with autologous cancellous bone harvested locally. One or two interbody PEEK cage(s) is/are to be filled and surrounded with autologous locally harvested cancellous bone (laminectomy). As harvesting bone from the iliac crest is associated with a series of complications and morbidity, only bone chips (spinous process/lamina) collected during laminectomy are allowed.
In the SOC group, the quantity of harvested bone chips was 3.4 ± 1.9 cc. Harvesting of bone chips was laminae in 8 patients (88.9%) and spinous in 1 patient (11.1%) of the SOC group. DBM was used in one patient only (11.1%).
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Arm title
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NVD-001 | |||||||||
Arm description |
The investigational Advanced Therapy Medicinal Product NVD 001 is an autologous cellular therapy. The product is obtained after isolation of ASCs from a fat tissue sample obtained by a minimally invasive subcutaneous procedure (liposuction) in the abdominal region of the patient, and their differentiation in osteogenic cells with a proprietary quality controlled DBM into a 3D-bone implant. NVD 001 is characterized in view to obtain the same properties as a real bone, non-immunogenic, with a desirable handling and mechanical characteristics. In the current study, NVD 001 must be used exclusively in conjunction with an interbody somatic cage and bilateral pedicle screw fixation with connecting rods. | |||||||||
Arm type |
Experimental | |||||||||
Investigational medicinal product name |
NVD-001
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Investigational medicinal product code |
NVD-001
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Other name |
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Pharmaceutical forms |
Not assigned
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Routes of administration |
Not mentioned
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Dosage and administration details |
It is expected that 3 containers with NVD 001 will be available per patient for the surgical intervention. Information on IMP including the total volume IMP sent (in grams) and the total volume of unused IMP (in grams) was variable and has been provided before the implant surgery to the sites by the sponsor. This information will also provide an estimated volume of used IMP (in grams).
In the NVD-001 group, the quantity of IMP sent on site was 19.6 ± 2.3 g, the quantity used was 5.7 ± 3.6 g and the quantity unused was 13.9 ± 3.4 g
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Baseline characteristics reporting groups
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Reporting group title |
Overall trial
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Reporting group description |
Safety will be assessed by: • Collecting all adverse events for incidence, severity, relatedness, required action and outcome, up to 12 months post-surgery. • Collecting all SAEs up to 24 months post-surgery. • Collecting AESI up to 24 months post-surgery as part of local and systemic toxicity such as: Signs of local toxicity of experimental product will be evaluated on CT and radiographic images by the local radiologist and the principal investigator as well as by the independent radiologist(s) and include: Trabecular bone resorption Intravertebral cystic changes Soft tissue calcification/ossification Peridiscal soft tissue swelling Hyperostosis Tumour growth Signs of systemic toxicity will be evaluated on chest radiographs by the local radiologist and include appearance of calcification/ ossification on serial X-Rays in comparison with preoperative X-Rays. Ectopic bone formation | |||||||||||||||||||||||||||||||||||||||||||||
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Subject analysis sets
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Subject analysis set title |
mITT
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Subject analysis set type |
Modified intention-to-treat | |||||||||||||||||||||||||||||||||||||||||||||
Subject analysis set description |
A modified Intent-to-Treat (mITT) cohort consisting of all subjects having been included, randomized, treated with NVD-001 or Standard of Care (SOC) and for whom at least one safety assessment was available after surgery.
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Subject analysis set title |
Per Protocol
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Subject analysis set type |
Per protocol | |||||||||||||||||||||||||||||||||||||||||||||
Subject analysis set description |
A per protocol (PP) cohort consisting of all subjects from the mITT for whom no major protocol deviations had been reported. Based on the observation that for some patients the implanted volume of NVD-001 was very low, one additional PP elimination criterion was added, that was not included into the protocol, as it was believed that patients with a NVD-001 volume/disk height ratio lower than 50% would have a significant impact in the NVD-001 efficacy outcomes and would not be representative for the bone healing capacity of NVD-001. The rationale is that the higher the residual disk height, the higher the NVD-001 volume should be to fill the residual interbody space, generating the required bone to graft contact surface.
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End points reporting groups
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Reporting group title |
Standard of Care (SOC)
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Reporting group description |
Subjects of the control group will be treated with autologous cancellous bone locally harvested during the same operation. At the Investigator’s discretion, one or two interbody PEEK cage(s) is/are to be filled with and surrounded by autologous locally harvested cancellous bone (laminectomy) before implantation. As harvesting bone from the iliac crest is associated with a series of complications and morbidity, only bone chips (spinous process/lamina) collected during laminectomy are allowed. If insufficient volume is available to fill and surround the cage(s), DBM can be added (as per hospital protocol). The trade name of the product and volume used will be recorded in the eCRF. | ||
Reporting group title |
NVD-001
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Reporting group description |
The investigational Advanced Therapy Medicinal Product NVD 001 is an autologous cellular therapy. The product is obtained after isolation of ASCs from a fat tissue sample obtained by a minimally invasive subcutaneous procedure (liposuction) in the abdominal region of the patient, and their differentiation in osteogenic cells with a proprietary quality controlled DBM into a 3D-bone implant. NVD 001 is characterized in view to obtain the same properties as a real bone, non-immunogenic, with a desirable handling and mechanical characteristics. In the current study, NVD 001 must be used exclusively in conjunction with an interbody somatic cage and bilateral pedicle screw fixation with connecting rods. | ||
Subject analysis set title |
mITT
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Subject analysis set type |
Modified intention-to-treat | ||
Subject analysis set description |
A modified Intent-to-Treat (mITT) cohort consisting of all subjects having been included, randomized, treated with NVD-001 or Standard of Care (SOC) and for whom at least one safety assessment was available after surgery.
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Subject analysis set title |
Per Protocol
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Subject analysis set type |
Per protocol | ||
Subject analysis set description |
A per protocol (PP) cohort consisting of all subjects from the mITT for whom no major protocol deviations had been reported. Based on the observation that for some patients the implanted volume of NVD-001 was very low, one additional PP elimination criterion was added, that was not included into the protocol, as it was believed that patients with a NVD-001 volume/disk height ratio lower than 50% would have a significant impact in the NVD-001 efficacy outcomes and would not be representative for the bone healing capacity of NVD-001. The rationale is that the higher the residual disk height, the higher the NVD-001 volume should be to fill the residual interbody space, generating the required bone to graft contact surface.
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End point title |
Safety | ||||||||||||||||||||||||||||||||||||||||||||
End point description |
All adverse events for incidence, severity, relatedness, required action and outcome, up to 12 months post-surgery.
All SAEs up to 24 months post-surgery.
All AESI up to 24 months post-surgery as part of local and systemic toxicity such as signs of local toxicity of experimental product will be evaluated on CT and radiographic images by the local radiologist and the principal investigator as well as by the independent radiologist(s) and include:
Trabecular bone resorption
Intravertebral cystic changes
Soft tissue calcification/ossification
Peridiscal soft tissue swelling
Hyperostosis
Tumour growth
Signs of systemic toxicity will be evaluated on chest radiographs by the local radiologist and include appearance of calcification/ ossification on serial X-Rays in comparison with preoperative X-Rays.
Ectopic bone formation
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End point type |
Primary
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End point timeframe |
D0 till 24m post-grafting
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Notes [1] - SOC [2] - NVD-001 [3] - All mITT patients |
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Statistical analysis title |
Fisher’s exact tests | ||||||||||||||||||||||||||||||||||||||||||||
Statistical analysis description |
The frequency of treatment-emergent AEs through Month 12 (for all types of AEs) and Month 24 (AESI, SAEs) will be summarised by treatment group. Treatment-emergent AEs are those AEs that started or were present but worsened after completion of surgery.
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Comparison groups |
NVD-001 v Standard of Care (SOC)
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Number of subjects included in analysis |
32
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Analysis specification |
Pre-specified
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Analysis type |
other [4] | ||||||||||||||||||||||||||||||||||||||||||||
P-value |
= 0 | ||||||||||||||||||||||||||||||||||||||||||||
Method |
Fisher exact | ||||||||||||||||||||||||||||||||||||||||||||
Confidence interval |
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Notes [4] - this is only descriptive without statistics |
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End point title |
Average Pain (Brief pain Inventory questionnaire) | ||||||||||||||||||||||||||||
End point description |
The BPI-SF is a short, self-report or interview questionnaire, designed to assess the severity of pain and the impact of pain on daily functions. Four pain severity items (worst pain, least pain, average pain, and pain now) and seven pain interference items measuring the level of interference with a given function caused by pain (general activity, mood, walking ability, normal work, relations with other persons, sleep, and enjoyment of life) are rated on 0–10 scales.
This endpoint focusses on average pain.
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End point type |
Secondary
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End point timeframe |
D0-M24
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No statistical analyses for this end point |
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End point title |
Trabecular bone bridging score | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
End point description |
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End point type |
Secondary
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End point timeframe |
6m and 24m post grafting surgery
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Notes [5] - 6m or 12m FU CT mITT [6] - 6m or 12m FU CT NVD-001 mITT [7] - mITT NVD001 vs PP NVD001 |
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No statistical analyses for this end point |
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Adverse events information
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Timeframe for reporting adverse events |
Screening till 24 months post-Grafting Surgery
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Adverse event reporting additional description |
• Collecting all adverse events for incidence, severity, relatedness, required action and outcome, up to 12 months post-surgery.
• Collecting all SAEs up to 24 months post-surgery.
• Collecting AESI up to 24 months post-surgery as part of local and systemic toxicity
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Assessment type |
Systematic | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
25
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Reporting groups
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Reporting group title |
Standard of Care (SOC)
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Reporting group description |
Subjects of the control group will be treated with autologous cancellous bone locally harvested during the same operation. At the Investigator’s discretion, one or two interbody PEEK cage(s) is/are to be filled with and surrounded by autologous locally harvested cancellous bone (laminectomy) before implantation. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
NVD-001
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Reporting group description |
The investigational Advanced Therapy Medicinal Product NVD 001 is an autologous cellular therapy. The product is obtained after isolation of ASCs from a fat tissue sample obtained by a minimally invasive subcutaneous procedure (liposuction) in the abdominal region of the patient, and their differentiation in osteogenic cells with a proprietary quality controlled DBM into a 3D-bone implant. NVD 001 is characterized in view to obtain the same properties as a real bone, non-immunogenic, with a desirable handling and mechanical characteristics. In the current study, NVD 001 must be used exclusively in conjunction with an interbody somatic cage and bilateral pedicle screw fixation with connecting rods. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequency threshold for reporting non-serious adverse events: 0% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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? No | |||
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 |