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| Name | Class |
|---|---|
| Allergan | INDUSTRY |
Several studies have previously examined the use of botulinum toxin serotype A for myofascial pain of the neck and shoulders (cervicobrachial syndrome). These studies have suffered from:
This study attempts to define the characteristics of responders to botulinum serotype A for myofascial pain of the neck and shoulders (cervicobrachial syndrome).
Design: Single-center, double-blind, placebo-controlled, enriched trial.
Subjects will wash-out of their existing pain medications at least 2 weeks prior to baseline visit. At baseline, patients with a Numerical Pain Rating of 4 or greater will be injected with Botulinum Toxin Serotype A. At 14 weeks postinjection, those who at the 6 weeks post-injection visit had at least a 50% decrease in their pain outcome measures will be randomized into one of two treatment groups. Group 1 will receive a second BTX injection while group 2 will receive an injection of saline and both groups will be followed for an additional 6 weeks.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Botulinum toxin serotype A | Drug |
| Measure | Description | Time Frame |
|---|---|---|
| Numerical pain rating | ||
| Brief Pain Inventory | ||
| Neck Disability Index | ||
| Cervical range of motion | ||
| Number of trigger points | ||
| Postural exam |
| Measure | Description | Time Frame |
|---|---|---|
| Pain Diary and medications use | ||
| Short Form (SF)-36 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| F. Michael Ferrante, MD | University of California, Los Angeles | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| UCLA Pain Management Center | Santa Monica | California | 90404 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 16052120 | Result | Ferrante FM, Bearn L, Rothrock R, King L. Evidence against trigger point injection technique for the treatment of cervicothoracic myofascial pain with botulinum toxin type A. Anesthesiology. 2005 Aug;103(2):377-83. doi: 10.1097/00000542-200508000-00021. |
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| ID | Term |
|---|---|
| D020968 | Brachial Plexus Neuritis |
| D009209 | Myofascial Pain Syndromes |
| ID | Term |
|---|---|
| D020516 | Brachial Plexus Neuropathies |
| D010523 | Peripheral Nervous System Diseases |
| D009468 | Neuromuscular Diseases |
| D009422 | Nervous System Diseases |
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| D009443 | Neuritis |
| D009135 | Muscular Diseases |
| D009140 | Musculoskeletal Diseases |