Related Experiment Video
Updated: Jul 18, 2026
10:30
A High-throughput-compatible FRET-based Platform for Identification and Characterization of Botulinum Neurotoxin Light Chain Modulators
Published on: December 27, 2013
Botulinum toxin A--injection for cervical dystonia
The Journal of the Association of Physicians of India
|September 22, 2000
Summary
Botulinum toxin-A (BTX-A) effectively treats cervical dystonia, a common neck disorder. This study found BTX-A safe and effective in 17 patients, with 86% showing significant improvement and minimal side effects.
Area of Science:
- Neurology
- Movement Disorders
- Pharmacology
Background:
- Spasmodic torticollis, also known as cervical dystonia, is the most prevalent form of focal dystonia.
- Botulinum toxin-A (BTX-A) has been utilized for cervical dystonia treatment since 1985.
- Previous medical therapies had been attempted by the patient cohort.
Purpose of the Study:
- To evaluate the efficacy and safety of Botulinum toxin-A (BTX-A) in treating cervical dystonia.
- To document the treatment experience in a cohort of patients with cervical dystonia.
Main Methods:
- A retrospective analysis of 29 treatment sessions involving 17 patients with cervical dystonia.
- Administration of Botulinum toxin-A (Botox and Dysport) targeting neck muscles like splenius capitis and sternocleidomastoid.
- Assessment of dystonia improvement and pain reduction post-treatment, along with monitoring for adverse events.
Main Results:
- Significant improvement in dystonia was observed in 86% (25 out of 29) of treatment sessions.
- Four out of five patients reported improvement in pain.
- Adverse events were infrequent, with only 10.4% of sessions resulting in mild complications such as dysphagia or flu-like symptoms.
Conclusions:
- Botulinum toxin-A (BTX-A) is a safe and effective therapeutic option for managing cervical dystonia.
- BTX-A offers significant benefits in reducing dystonic symptoms and associated pain.
- The treatment is well-tolerated, with a low incidence of mild adverse effects.
Related Concept Videos
01:28Classification of Skeletal Muscle Relaxants
Skeletal muscle relaxants are a group of drugs that can reduce muscle stiffness and induce temporary paralysis to relieve pain. These agents can act centrally to reduce muscle tone or spasms in painful conditions such as multiple sclerosis (MS), amyotrophic lateral sclerosis (ALS), or spinal injuries; they are called antispasmodics or spasmolytics.
Peripherally acting skeletal muscle relaxants interfere with the neurotransmission at the neuromuscular end plate to induce paralysis during...
Peripherally acting skeletal muscle relaxants interfere with the neurotransmission at the neuromuscular end plate to induce paralysis during...
01:27Nondepolarizing (Competitive) Neuromuscular Blockers: Pharmacological Actions
Nondepolarizing neuromuscular blockers prevent the membrane depolarization of muscle cells and inhibit muscle contraction. These are usually administered with anesthetics to achieve complete muscle relaxation. Upon administration, these drugs first block the small, rapidly contracting muscles of the face and hands, followed by the larger muscles of the trunk and the intercostal muscles. The diaphragm is the last muscle to be affected.
Although all competitive neuromuscular blockers are designed...
Although all competitive neuromuscular blockers are designed...
01:26Directly Acting Muscle Relaxants: Dantrolene and Botulinum Toxin
Directly acting muscle relaxants like dantrolene and botulinum toxin (BoNT) have distinct mechanisms and applications. Dantrolene, a hydantoin derivative, acts on the ryanodine receptor (RYR1) in skeletal muscle cells. RYR1 are calcium channels present at the sarcoplasmic reticulum membrane. In response to excitation, they release calcium ions from the sarcoplasmic reticulum to the cytosol. Calcium promotes actin-myosin-mediated contraction of muscles.
The binding of dantrolene to the RYR1...
The binding of dantrolene to the RYR1...
01:31Skeletal Muscle Relaxants: Therapeutic Uses
Skeletal muscle relaxants are used to relax muscle tone and alleviate painful muscle contractions. However, the choice of skeletal muscle relaxants depends on the duration of the surgical procedure in order to minimize potential side effects. Skeletal muscle relaxants like neuromuscular blocking agents [NMBAs] are commonly employed as adjuvants alongside general anesthetics in clinical settings. NMBAs are also used to maintain controlled ventilation during surgery of the larynx or pharynx as...
01:29Tetanus
Tetanus is a life-threatening neurological disorder characterized by persistent muscle contractions and spastic paralysis. It is caused by Clostridium tetani, a motile, Gram-positive, rod-shaped, obligate anaerobe. These bacteria produce terminal endospores, giving them a distinctive “lollipop” or “tennis-racket” appearance. They thrive in anaerobic environments, such as those found in deep puncture wounds.Once introduced into the body, the spores germinate into vegetative cells. These cells...
01:22Botulism
Botulism is a life-threatening neuroparalytic condition caused by botulinum neurotoxin, which is produced by the bacterium Clostridium botulinum, a Gram-positive, spore-forming, obligate anaerobe.In adults, the toxin enters the body in different ways: in foodborne botulism, the preformed toxin is absorbed in the intestine. In wound botulism, spores grow in injured tissue and release the toxin into the blood. Infant botulism differs mechanistically from adult forms. In infants, botulism commonly...