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BackToBasic: Infliximab in Chronic Low Back Pain and Modic Changes

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СтатусРекрутинг
Спонсоры
Oslo University Hospital
Соавторы
Haukeland University Hospital
St. Olavs Hospital
University Hospital of North Norway
Vestre Viken Hospital Trust
Østfold Hospital Trust
Clinical Trial Unit (CTU), Oslo University Hospital
Diakonhjemmet Hospital

Ключевые слова

абстрактный

Low-Back Pain (LBP) is the leading cause of disability worldwide. Even though LBP relates to different underlying pathologies, there are a substantial number of patients with chronic complaints that have vertebral bone marrow lesions visualized as Modic changes (MC) on magnetic resonance imaging (MRI). Despite the clinical evidence that MC is painful, the etiology is unknown and there is currently no established treatment. It has been suggested that MCs are secondary to a biomechanically induced degradation with a subsequent autoimmune response, supported by evidence showing that Tumor necrosis factor (TNF)-α plays a critical role in intervertebral disc degeneration and MCs. Clinical trials suppressing inflammation with TNF-alfa blockers in patients with acute low back pain and sciatica provide evidence to support the initiation of a clinical trial assessing the effect of TNF-alfa blockers in patients with chronic low-back pain and MCs. Since TNF-alfa blockers is an established treatment for immune-mediated disorders like spondyloarthritis by reducing pain as well as bone marrow lesions, the researchers aim to assess whether this treatment is effective for chronic LBP with MCs. In addition refine diagnostic assessment and explore potential biomarkers, which will provide an increased understanding of underlying factors causing LBP, and ultimately result in better management and treatment for one of the most costly and challenging patient populations.

Описание

The following information will be collected at baseline, in addition to pre-specified efficacy assessments: age, gender, BMI (measured at site), ethnicity, marital status, children, educational level, work status, physical work load, leisure time activity, smoking habits, expectations about treatment effect and characteristics of pain (duration, agrevating factors, morning stiffness, morning pain, relief by NSAIDs, night time pain and former treatment). Emotional distress will be measured using the Hopkins Symptom Checklist-25 at baseline. The researchers will measure fear-avoidance beliefs about physical activity and work with Fear-avoidance beliefs Questionnaire (FABQ) at baseline. Subjective health complaints (SHC) will be measured using a formal inventory which consists of 29 questions concerning severity and duration of subjective somatic and psychological complaints and will be measured at baseline. In addition, routine clinical investigations (pain provocation tests (springing test, active flexion / extension of the lumbar spine) and neurological tests (strength, toe-/heel walking, sensibility, reflexes, straight leg raising test, reverse Lasegue test)) will be structured and registered in the CRF at baseline.

Даты

Последняя проверка: 04/30/2020
Первый отправленный: 09/18/2018
Предполагаемая регистрация отправлена: 10/10/2018
Первое сообщение: 10/11/2018
Последнее обновление отправлено: 05/26/2020
Последнее обновление опубликовано: 05/28/2020
Фактическая дата начала исследования: 12/11/2018
Предполагаемая дата завершения начальной школы: 04/30/2021
Предполагаемая дата завершения исследования: 09/30/2021

Состояние или болезнь

Low Back Pain

Вмешательство / лечение

Drug: Infliximab

Other: Placebo

Фаза

Фаза 3

Группы рук

РукаВмешательство / лечение
Experimental: Infliximab
Intravenous infusion(biosimilar infliximab). Each participant will be given 4 infusions, at day 0, day 14, day 42 and day 98, unless unacceptable toxicity is encountered.
Drug: Infliximab
Intravenous infusion(5 mg/kg). Each participant will be given 4 infusions, at day 0, day 14, day 42 and day 98, unless unacceptable toxicity is encountered.
Placebo Comparator: Placebo
Intravenous infusion (NaCl intravenous infusion). Each participant will be given 4 infusions, at day 0, day 14, day 42 and day 98.
Other: Placebo
Intravenous infusion. Each participant will be given 4 infusions, at day 0, day 14, day 42 and day 98,

Критерии приемлемости

Возраст, имеющий право на обучение 18 Years Чтобы 18 Years
Полы, имеющие право на обучениеAll
Принимает здоровых добровольцевда
Критерии

Inclusion Criteria:

- Age between 18 and 65 years

- LBP of > 50% of days for > 6 months duration in the area below the 12th rib and above the gluteal folds with:

Numerical Rating Scale (NRS) pain intensity score of at least 5 (mean of three NRS scales; current LBP, the worst LBP within the last 2 weeks, and usual/mean LBP within the last 2 weeks) and/or ODI-score of at least 25

- Modic change of craniocaudal size >= 10% of vertebral height and of primary or secondary type 1 in the vertebral body at a level of the lumbar spine (superior or inferior endplate, Th12-S1).

Exclusion criteria:

- Fever or ongoing infection

- Allergy or hypersensitivity against any products of the medication

- Previous infliximab treatment

- Any serious adverse events with other immunosuppressive treatment (including cytostatics, antibodies, drugs acting on immunophilins, Interferons, mycophenolate and any other DMARDs)

- Any specific diagnosis that may explain patient's low back symptoms (e.g. tumor, fracture, spondyloarthritis, infection, spinal stenosis).

- Former low back surgery (L1 - S1) for other reasons than disc herniation or decompression (e.g fusion, disc prosthesis).

- Former surgery for disc herniation or decompression within the last 12 months

- Any known rheumatic disease

- Current pregnancy or lactation

- For women of childbearing potential (WOCBP); inadequate birth control, pregnancy, and/or breastfeeding. WOCBP is defined as those who are fertile (with uterus, fallopian tubes and at least one intact functional ovary), following menarche and until becoming post-menopausal unless permanently sterile. Permanent sterilisation methods include hysterectomy, bilateral salpingectomy and bilateral oophorectomy. Documentation of surgical procedure or physical examination is required for subjects who have had such an operation. Adequate contraception must be used by WOCBP during the entire intervention period and 6 months after the last administration of study drug, and includes oral, injected or implanted hormonal methods of contraception, placement of an intrauterine device or system, vasectomized partner or sexual abstinence.

- Ongoing systemic glucocorticoid or other immunosuppressive treatments (see list above)

- Regular use of opioids with the exception of codeine and tramadol

- Other immunosuppressive treatment last year (see list above)

- Active or latent (known or suspected) tuberculosis (all participants will be screened for latent tuberculosis)

- Previous infection with Hepatitis B virus (HBV) (all participants will be screened for HBV-carrier state)

- Live vaccination within the last 4 weeks or planned live vaccination during treatment period

- Planned surgical procedure

- Increased transaminases (ASAT/ALAT)

- Ongoing or previous malignant disease at any time (i.e. skin cancer, cervical cancer etc.)

- Known increased risk of malignant disease

- Diabetes

- Immunodeficiency (I.e primary immunodeficiency diseases, human immunodeficiency virus/acquired immunodeficiency syndrome, splenectomy)

- Heart failure (NYHA class III - IV)

- Previous or ongoing psoriasis

- Ulcerative colitis or Crohns disease

- Existing or recent demyelination diseases (I.e. MS or Guillain-Barres)

- Abnormal hemoglobin or abnormal platelet, leucocyte or neutrophil count

- Not able to understand written and spoken Norwegian

- Not able to complete treatment or follow-ups in the study (i.e. severe psychiatric disease, drug abuse or plans of moving address)

- Contraindications for MRI (ie. pacemaker, metal implants, claustrophobia)

- Abnormal creatinine level

Результат

Основные показатели результатов

1. Change in Oswestry Disability Index (ODI) from baseline to 5 months [0, 1, 2, 3, 4, 5 and 9 months]

ODI is a disease-specific disability score. Scale is measured 0-100, better to worse respectively.

Меры вторичного результата

1. Change in Short tau inversion recovery (STIR) signal (intensity and extent) of Modic Changes from baseline to 5 months. [0 and 5-6 months]

Based on Magnetic Resonance Imaging (MRI). STIR result from evaluations of fat-water separation and T1 weighted fat-saturated post-contrast images, MC signal intensity standardized against the intensity of normal vertebral body marrow and cerebrospinal fluid, MC high signal craniocaudal size and volume.

2. Change in low back pain intensity from baseline to 5 months [0 + weekly during intervention period, 3, 5 and 9 months]

Measured on a Numeric Rating Scale (NRS: 0-10); mean of three NRS scales; current LBP, the worst LBP within the last 2 weeks, and usual/mean LBP within the last 2 weeks (at baseline, post-treatment and at one year after start of treatment). Will also be monitored weekly during the intervention period, and the the wording "last 2 weeks" will then be replaced by "the last week". Better (0) to worse (10) respectively.

3. Change in Roland Morris Disability Questionnaire (RMDQ) from baseline to 5 months [0, 3, 5 and 9 months]

RMDQ is a Self-reported disease-specific disability score, scale 0-24, better to worse respectively.

4. Change in Health-related quality of life from baseline to 5 months [0, 3, 5 and 9 months]

EuroQoL-5D-5L (version 2.0), range -0.59 to 1.0, worse to better respectively.

5. Number and type of co-interventions (other pharmacological treatment (ATC-coded) and non-pharmacological treatment) [Will be registered every month up to 5 months and at 9 months]

Will be reported by patients monthly during the study period for health-economical calculations

6. Days with sick leave [Will be registered at baseline and monthly until last follow-up]

Self-reported by patients; how many days patients were on sick-leave last month (if patients are sick listed; degree / % sick listed will also be registered).

7. Incidence of adverse events (AEs) and serious AE (SAEs) during the study period [2, 6, 14, 22 and 40 weeks after start of treatment]

Adverse events frequency. The nature of the event(s) will be described by the investigator in precise standard medical terminology, duration and intensity will also be registered.

Другие показатели результатов

1. Change in Leg pain intensity from baseline to 5 months [0, 3, 5 and 9 months]

Numeric Rating Scale (NRS: 0-10, better to worse respectively); leg pain last week.

2. Change in Hours with low back pain during the last 4 weeks from baseline to 5 months [0, 3, 5 and 9 months]

Number of days during the last 28 days (4 weeks) the participant had experienced LBP (0-28 days), and, on an typical day, how many of the hours awake they experienced LBP (0-16 h). The number of days and hours are multiplied (a 0-448 scale).

3. Change in Symptom-specific well-being from baseline to 5 months [0, 3, 5 and 9 months]

Measured on a 5-point Likert scale with 'very satisfied', 'some satisfied', 'neither satisfied nor dissatisfied', 'some dissatisfied' or 'very dissatisfied'

4. Patients' satisfaction [Will be measured at 3, 5 and 9 months after start of treatment]

Rated on a 5-point Likert scale; patients rate satisfaction with treatment

5. Global perceived effect from baseline [Will be measured at 3, 5 and 9 months after start of treatment]

Global Rating of Change is rated on a 7-point Likert scale to quantify a patient's self-judged improvement from baseline.

6. Perceived treatment [Seven days after start of treatment, post-treatment (14 weeks after start of treatment) and at 5 months after start of treatment]

Patients will be asked about which study medicine (Infliximab / placebo / unsure) they think they received during the intervention period of the study.

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