E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Dental implantation in osteoporotic patients or in patients at risk of osteoporotic fracture |
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E.1.1.1 | Medical condition in easily understood language |
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E.1.1.2 | Therapeutic area | Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] - Surgical Procedures, Operative [E04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10064143 |
E.1.2 | Term | Dental implantation |
E.1.2 | System Organ Class | 10042613 - Surgical and medical procedures |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess the effects of 4-month-treatment with strontium ranelate in comparison with placebo on alveolar bone quality and alveolar bone turnover on alevolar biopsies |
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E.2.2 | Secondary objectives of the trial |
- To assess the effect of 4 month-treatment with strontium ranelate on :
- alveolar bone microarchitecture
- alveolar bone texture
- To assess biological and clinical safety over 6 months
- Implant stability will be assessed after 6 months of treatment |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Men or post-menopausal women
- > or = 50 years
- Osteoporotic patient or with a risk of osteoporotic fracture
- Eligible for a premolar extraction followed by a dental implant placement
- Without inter-radicular septum at extraction |
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E.4 | Principal exclusion criteria |
- Pathological findings in the jaw bone
- History of maxillar or cervico-facial irradiation
- Chronic inflammatory rheumatoid disease
- Inflammatory or metabolic bone disease, excluding osteoporosis
- Hypersensitivity to the active substances or to any of the excipients or to tetracycline
- Current or previous venous thromboembolism events, including deep vein thrombosis and pulmonary embolism, or patients at high risk of venous thromboembolism.
- Temporary or permanent immobilization due to e.g. post-surgical recovery or prolonged bed rest. |
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E.5 End points |
E.5.1 | Primary end point(s) |
- Evaluation of the efficacy by assessing alveolar bone quality and alveolar bone turnover |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
- Alveolar bone quality will be assessed by nanoindentation at M004
- Alveolar bone turnover will be assessed by histomorphometry at M004 |
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E.5.2 | Secondary end point(s) |
- Other parameters will be assessed by histomorphometry : resorption, microarchitecture,bone microarchitecture, texture analysis and implant stability
- Safety will be assessed by: - collection of adverse events
- biological parameters evaluation
- clinical examination |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
- Resorption, microarchitecture and bone microarchitecture will be assessed at M004
- Texture analysis will be assessed at M000 and M004
- Implant stability will be assessed at M006
- Safety measurements over 6 months. |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 2 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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LVLS as stated in the protocol |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 7 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 7 |