Key secondary endpoints included Physician Global Assessment, finger flexors muscle tone, and thumb flexors tone at Week 6. The Physician Global Assessment evaluated the response to treatment in terms of how the patient was doing in his/her life using a scale from -4 = very marked worsening to +4 = very marked improvement. Study 1 results on the primary endpoint and the key secondary endpoints are shown in Table 26.

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In a study to evaluate inadvertent peribladder administration, bladder stones were observed in 1 of 4 mal e monkeys that were injected with a total of 6.8 Units/kg divided into the prostatic urethra and proximal rectum (single administration). No bladder stones were observed in male or female monkeys following injection of up to 36 Units/kg (~12X the highest human bladder dose) directly to the bladder as either single or 4 repeat dose injections or in female rats for single injections up to 100 Units/kg (~33X the highest human bladder dose).
The toxin itself is released from the bacterium as a single chain, then becomes activated when cleaved by its own proteases.[11] The active form consists of a two-chain protein composed of a 100-kDa heavy chain polypeptide joined via disulfide bond to a 50-kDa light chain polypeptide.[35] The heavy chain contains domains with several functions: it has the domain responsible for binding specifically to presynaptic nerve terminals, as well as the domain responsible for mediating translocation of the light chain into the cell cytoplasm as the vacuole acidifies.[1][35] The light chain is a zinc metalloprotease and is the active part of the toxin. It is translocated into the host cell cytoplasm where it cleaves the host protein SNAP-25, a member of the SNARE protein family which is responsible for fusion. The cleaved SNAP-25 is unable to mediate fusion of vesicles with the host cell membrane, thus preventing the release of the neurotransmitter acetylcholine from axon endings.[1] This blockage is slowly reversed as the toxin loses activity and the SNARE proteins are slowly regenerated by the affected cell.[1]

Before I could try Botox, my health insurance — Cigna — required me to try and fail at least two other meds. I tried tricyclic antidepressants, which made me groggy and turned my brain into molasses, and beta blockers, a class of drugs used for high blood pressure and heart problems. (All treatments to prevent migraines are borrowed from other conditions, except a new class of drugs that was just approved by the Food and Drug Administration.) The beta blockers worked for a few months: they slightly reduced the number of migraines and made the headaches more bearable. But late last year, the migraines became chronic again — I had more than 15 in a month. That’s when my neurologist said: “I think it’s time to try Botox.”
The cost for Botox may range from $125 to $400 per treatment area. Multiple areas may be treated at one time, and repeat treatments are needed every three to four months, on average. When it comes to Botox and other injectables, you get what you pay for. Buyer beware: bargain Botox may increase your risk of complications, including poor cosmetic results. If the cost is prohibitive, ask your doctor about payment plans.
Is the cosmetic injectable product real? Great question! The answer is maybe? It is possible that the provider dispensing Botox or Dysport obtained the drug from an overseas dispensary outside of the United States. These foreign vendors sell Botox and Dysport to doctors and nurses in the U.S. at a discounted price but their product is not always the real thing. That’s right! The Botox maybe counterfeit. The bottles may look identical but the product inside may not be real which means it may not work as effectively or not at all ! So if the provider is offering Botox or Dysport really cheap The first question should be –Was it manufactured by the U.S. company?
Once the protein stops functioning at the neuromuscular junction, it is broken down into its harmless components (amino acids) and either recycled for use in other proteins or excreted by the kidneys. "The bigger the muscle, the quicker you'll see motion return," says Rowe. "Likewise, the smaller the muscle, the longer the effect of botox lasts." It doesn't have a tolerance effect, either—your body never gets used to Botox.
Aesthetician Mary Schook is anti-Botox because she sees the long-term effects on her clients. “Everyone is always like, ‘Look how great this looks,’ and then there is the long-term and they are like, 'Fix me,'” she says. “Allergan [the company that owns Botox] says one in 100 patients gets eyelid-drop, so I always joke, ‘I must meet one in 100 patients, because everyone I see has that drop.'”
Yes. The number of men receiving cosmetic treatments overall has risen by 325% over the last 20 years. And the number of men specifically choosing treatments like BOTOX® Cosmetic has also risen fast– in the past three years alone, men have received over one million botulinum toxin treatments. When surveyed, the majority of men say they want to look good and they’re bothered by the changes they see in the mirror. 80% would choose to treat their crow’s feet first, while 74% would prioritize their forehead lines, and 60% would most like to treat their frown lines.†

"A migraines is an inherited neurological condition that features headaches as the most common symptom," says Robbins. "Headaches are not the only symptoms people can have. They can have sensitivity to the environment around them like light and sound. They can have nausea, which can lead to vomiting. They can have blurred vision. In a minority, but sizable number of people, it can progress to what we call chronic migraines."
BTX-A has also been used in the treatment of gummy smiles,[80][81] the material is injected into the hyperactive muscles of upper lip, which causes a reduction in the upward movement of lip thus resulting in a smile with a less exposure of gingiva.[82] Botox is usually injected in the three lip elevator muscles that converge on the lateral side of the ala of the nose; the levator labii superioris (LLS), the levator labii superioris alaeque nasi muscle (LLSAN), and the zygomaticus minor (ZMi).[83][84]

Many times, effects on spasticity are longer lasting. It is not clear if this is due to breaking down patterned movements (many muscles contracting together rather than singly) or from allowing weak muscles to get stronger over time (that were overpowered before by more spastic muscles pulling against them). It is vital to have close follow-up after the injections to figure out the best course of treatment.


Botox, or onabotulinumtoxinA, is used for three main purposes: muscle spasm control, severe underarm sweating and cosmetic improvement. In this article we concentrate on the third use, achieved with the product called Botox Cosmetic, which contains botulinum toxin type A (the active ingredient), human albumin (a protein found in human blood plasma) and sodium chloride.
Step therapy is largely unregulated both at the state and federal level, though individual states have started to pass legislation to limit step therapy and protect patients: 19 US states, including California, Mississippi, and Illinois, have laws that require insurance companies to grant certain exemptions or to review appeals from doctors within 72 hours so patients can get a waiver. But even then, getting a waiver isn’t always easy.
Tell your doctor if you have received any other botulinum toxin product in the last 4 months; have received injections of botulinum toxin such as Myobloc®, Dysport®, or Xeomin® in the past (tell your doctor exactly which product you received); have recently received an antibiotic injection; take muscle relaxants; take allergy or cold medicines; take sleep medicine; take aspirin-like products or blood thinners.
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