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The study will examine the efficacy of a single intramuscular injection of betamethasone dipropionate/betamethasone sodium phosphate at the dose of 20mg/8mg (injection volume 4 ml) as an induction therapy in patients with polymyalgia rheumatica. Twenty patients will be randomized to receive an injection of betamethasone or placebo (isotonic NaCl solution) immediately after diagnosis. Both groups will receive the standard-of-care steroid therapy, starting from 10 mg of prednisone every day (qd), tapered down by 2.5 mg monthly if the disease is not active (scheduled monthly follow-ups by a rheumatologist). Primary outcome measures: the total cumulative dose of glucocorticosteroids and disease duration.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| betamethasone | Active Comparator | patients treated with a single intramuscular injection of betamethasone |
|
| isotonic sodium chloride solution | Placebo Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Betamethasone | Drug | betamethasone dipropionate 20 mg + betamethasone sodium phosphate 8 md as a single intramuscular injection |
|
| Measure | Description | Time Frame |
|---|---|---|
| a total dose of glucocorticoids used in the course of the disease | 12 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Gleb Slobodin, MD | Contact | 972-506267284 | gleb.slobodin@b-zion.org.il |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Bnai Zion Medical Center | Recruiting | Haifa | 38041 | Israel |
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| ID | Term |
|---|---|
| D011111 | Polymyalgia Rheumatica |
| ID | Term |
|---|---|
| D009135 | Muscular Diseases |
| D009140 | Musculoskeletal Diseases |
| D012216 | Rheumatic Diseases |
| D003240 | Connective Tissue Diseases |
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| ID | Term |
|---|---|
| D001623 | Betamethasone |
| C032812 | betamethasone dipropionate, betamethasone sodium phosphate drug combination |
| D012965 | Sodium Chloride |
| ID | Term |
|---|---|
| D011246 | Pregnadienetriols |
| D011245 | Pregnadienes |
| D011278 | Pregnanes |
| D013256 | Steroids |
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| isotonic sodium chloride solution (placebo) | Drug | 4 ml intramuscular |
|
| D017437 | Skin and Connective Tissue Diseases |
| D000072473 |
| Fused-Ring Compounds |
| D011083 | Polycyclic Compounds |
| D013259 | Steroids, Fluorinated |
| D002712 | Chlorides |
| D006851 | Hydrochloric Acid |
| D017606 | Chlorine Compounds |
| D007287 | Inorganic Chemicals |
| D017670 | Sodium Compounds |