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PAES, double blind, double dummy, multicenter, randomized, controlled clinical study to demonstrate superiority of Tricortin 1000 over placebo in improvement in pain relief as change from baseline to 15 days in patients with chronic low back pain (LBP).
Full description
This is a PAES, double blind, double dummy, multicenter, randomized, controlled clinical study, which will consist of a Screening phase (Visit 1) of up to 14 days and a Follow-up phase of up to 15 days.
A total of 300 patients of either sex, aged between 40 and 70 years with diagnosis of chronic mechanical (mild, moderate degenerative process of disc and facet) LBP for at least 3 months but no more than 6 months will be randomized.
Two stratification groups will be distinguished: the first group will be comprised of patients with chronic mechanical LBP due to mild, moderate degenerative process of disc and facet from 40 to <55 years, the second group will be comprised of patients with chronic mechanical LBP due to mild-moderate degenerative process of disc and facet ≥55 to 70 years.
All patients will be required to have diagnosis of chronic LBP with clinically and imaging confirmation of mechanical (mild, moderate degenerative process of disc and facet).
Baseline assessments include: pain assessment and functional disability, clinical parameters, patient global assessment (PGA), clinical global impression (CGI) and consumption of rescue medication.
Eligible patients will then be randomly assigned to one of the following three treatment arms:
Tricortin 1000 by intramuscular route (Arm A) Diclofenac sodium medicated plaster by topical application (Arm B) Placebo (Arm C) In arm A and B, Tricortin 1000 and Diclofenac sodium medicated plaster will be administered together with the alternate placebo, while patients in the placebo arm (Arm C) will be treated with both intramuscular and locally applied placebo.
Patients will be in the study for approximately 30 days of trial duration with a treatment period of 15 days.
Enrollment
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Inclusion criteria
Clinical diagnosis of mechanical (mild, moderate degenerative process of disc and facet) chronic LBP, for at least 3 months but no more than 6 months, confirmed (thanks to instrumental analysis obtained within 9 months before the Screening visit) by CT or MRI. In case a MRI/CT performed in the previous 9 months is not available, the diagnosis should be confirmed by means of a MRI performed between Screening visit (Visit 1) and Baseline visit (Visit 2)
A moderate to severe acute exacerbation of Chronic LBP at study entry, defined as a score ≥4 and ≤8 rated on the NRS-11
Age greater than or equal to 40 and less than or equal to 70 years
Patient able to maintain a Diary during the study
Patient with a Body Mass Index (BMI) < 30 kg/m2
Discontinuation of any analgesic/NSAID therapy, opioids, corticosteroids, skeletal muscle relaxants and any other medication or non-pharmacological therapy (if it would interfere with the study assessments), with no intent to resume during study
Patients who did not receive antidepressant medications and/or benzodiazepines for at least 60 days
Patient able to read and understand the language and content of the study material, understand the requirements for follow-up visits, is willing to provide information at the scheduled evaluations and is willing and able to comply with the study requirements
Patient has undergone the informed consent process and has signed an approved consent form
If female, patient must have a negative urine pregnancy test and use a highly effective form of contraception for at least one month prior to screening and throughout the study; or females must be surgically sterile, or postmenopausal as documented in medical history for at least one year. Highly effective birth control methods include: combined hormonal contraception (containing estrogen and progestogen) associated with inhibition of ovulation (oral, intravaginal, transdermal); progestogen-only hormonal contraception associated with inhibition of ovulation (oral, injectable, implantable); intrauterine device (IUD); intrauterine hormone-releasing system (IUS); bilateral tubal occlusion; vasectomised partner; sexual abstinence*
Patients who did not use Tricortin 1000 in the past to treat LBP or other pathological conditions.
Baseline Inclusion Criteria:
Exclusion criteria
Related to patients
Patients suffering of chronic non-specific LBP
Females who are pregnant or breast-feeding
Patients who are not able to give informed consent
Patients who cannot commit to the entire duration of the study
Patients with back pain referred from a mechanical cause (except for mild, moderate degenerative process of disc and facet) non spinal source or back pain associated with another specific spinal cause
Patients who have a primary bone disease, cancer, infection (except for osteoporosis patients without fracture history)
Other conditions which may confound the interpretation of the study, such as carpal, rheumatoid arthritis, severe venous diseases, peripheral arterial diseases, transient ischemic attack, stroke, current symptoms of coronary artery disease
History of narcotic abuse at any time in the past and/or drug or alcohol abuse in the past year
Patients who have had a previous treatment with physical therapy for LBP in the last 4 weeks before the screening visit or are going through a course of physical therapy or chiropractic treatment at the time of planned enrolment
Participation in another research study
History of epilepsy
Patients who have an unstable psychiatric condition
Red flags as possible indicators of serious spinal pathology:
Unexplained serious thoracic pain
Any recent trauma, which may raise the possibility of a fracture
Fever and unexplained weight loss
Bladder or bowel dysfunction
History of carcinoma
Progressive neurological deficit
Disturbed gait, saddle anaesthesia Musculoskeletal related
Radicular syndromes of idiopathic,metabolic, toxic, infective, demyelinating or neoplastic aetiology
Patients with spondylolisthesis, spondylolysis or ankylosing spondylitis.
Patients with scoliosis of 15° or more
Patients with inflammatory arthritis or severe degenerative process of disc and facet
Patients who have had prior spine surgery, including rhizotomy as like as, patients who are planning or have been advised to have spine surgery.
Concomitant conditions, diseases, medications and/or clinical history
Patients with any concomitant chronic disease(s) or condition(s) that may predispose them to a high probability of interfering with the completion of the follow-up of the study such as peptic ulcer, liver disease, severe coronary disease, renal disease, cancer, pregnancy, alcoholism, mental state, or other clinically significant condition
Patients with history of active or suspected oesophageal, gastric, pyloric channel, or duodenal ulceration or bleeding in the last 12 weeks before the screening visit
Patients requiring chronic use of analgesia for pain
Patients with known allergies or hypersensitivity or intolerance to Tricortin 1000, NSAIDs and/or paracetamol, and/or to active or inactive excipients of formulation
Patients in treatment with neuroleptics (antipsychotics)
Patients affected by diabetic neuropathy, multiple sclerosis or Amyotrophic Lateral Sclerosis
Any contraindications to either prone distraction or side posture manipulation
Any contraindications as reported in the Patient Information Leaflet of Tricortin 1000 or Diclofenac sodium medicated plaster.
Primary purpose
Allocation
Interventional model
Masking
300 participants in 3 patient groups, including a placebo group
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Central trial contact
Emanuela Terragni; Flavia Baruzzi
Data sourced from clinicaltrials.gov
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