| E.1 Medical condition or disease under investigation |
| E.1.1 | Medical condition(s) being investigated |
|
| E.1.1.1 | Medical condition in easily understood language |
|
| E.1.1.2 | Therapeutic area | Diseases [C] - Musculoskeletal Diseases [C05] |
| MedDRA Classification |
| E.1.2 Medical condition or disease under investigation |
| E.1.2 | Version | 18.1 |
| E.1.2 | Level | LLT |
| E.1.2 | Classification code | 10024891 |
| E.1.2 | Term | Low back pain |
| E.1.2 | System Organ Class | 100000004859 |
|
| E.1.2 Medical condition or disease under investigation |
| E.1.2 | Version | 18.1 |
| E.1.2 | Level | LLT |
| E.1.2 | Classification code | 10024892 |
| E.1.2 | Term | Low back pain (without radiation) |
| E.1.2 | System Organ Class | 100000004859 |
|
| 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 effect of tapentadol on pain relief in patients with chronic low back pain, and assess whether we can identify specific predictors of effect, incl. CPM, QST, questionnaires. |
|
| E.2.2 | Secondary objectives of the trial |
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| E.2.3 | Trial contains a sub-study | No |
| E.3 | Principal inclusion criteria |
- Age: 18 – 75 years.
- Sex: Either sex.
- Inclusion criteria: American Society of Anesthesiologists class 1 and 2 patients, 18 – 75 years; BMI < 40 kg/m2, and ability to give informed consent. CLBP for > 3-months with a pain score of 3 or more on a numerical rating scale.
To be enrolled in part 2 of the study, patients need to have an absent/inactive CPM response. The abnormal CPM response is defined in paragraph 5.2.
|
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| E.4 | Principal exclusion criteria |
| Unable to give written informed consent; medical disease such as pulmonary, renal, liver, cardiac, gastro-intestinal, vascular disease; (iii) allergy to study medication; (iv) history of illicit drug abuse or alcohol abuse; (v) history of psychosis; (vi) epilepsy; (vii) pregnancy and/or lactation; (viii) strong opioids and benzodiazepine use; (ix) previous extensive spinal surgery or spinal surgery in the past 6 months; (x) serious spinal pathology and (xi) diagnosed neurological disease. |
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| E.5 End points |
| E.5.1 | Primary end point(s) |
| Pain relief, CPM response |
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| E.5.1.1 | Timepoint(s) of evaluation of this end point |
| Month 1-2-3-4 following start of treatment |
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| E.5.2 | Secondary end point(s) |
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| E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | Yes |
| E.6.4 | Safety | No |
| E.6.5 | Efficacy | No |
| E.6.6 | Pharmacokinetic | No |
| E.6.7 | Pharmacodynamic | Yes |
| 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) | No |
| E.7.3 | Therapeutic confirmatory (Phase III) | No |
| E.7.4 | Therapeutic use (Phase IV) | Yes |
| 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 | No |
| 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
| Yes |
| E.8.4 | The trial involves multiple sites in the Member State concerned | No |
| E.8.5 | The trial involves multiple Member States | No |
| E.8.6 Trial involving sites outside the EEA |
| E.8.6.1 | Trial being conducted both within and outside the EEA | No |
| E.8.6.2 | Trial being conducted completely outside of the EEA | No |
| E.8.7 | Trial has a data monitoring committee | Yes |
| 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
|
| Inadequate pain relief and need for alternative treatment options. |
|
| E.8.9 Initial estimate of the duration of the trial |
| E.8.9.1 | In the Member State concerned years | 1 |
| E.8.9.1 | In the Member State concerned months | 0 |
| E.8.9.1 | In the Member State concerned days | |