See the DrugPatentWatch profile for Forfivo
Forfivo XL is a brand name for an extended-release formulation of naltrexone, a medication used to treat alcohol dependence. The most common side effects associated with Forfivo XL can include:
What Are the Most Common Side Effects of Forfivo XL?
Patients taking Forfivo XL may experience nausea, vomiting, diarrhea, abdominal pain, headache, dizziness, and fatigue [1]. Some individuals might also report insomnia, anxiety, or irritability [1].
Are There Serious Side Effects to Watch For?
While less common, serious side effects can occur. These include hepatotoxicity (liver damage), which can manifest as jaundice, dark urine, or upper right abdominal pain [2]. There is also a risk of suicidal thoughts and behaviors [3]. Additionally, Forfivo XL can precipitate opioid withdrawal symptoms in individuals who have recently used opioids or are physically dependent on them [1]. This withdrawal can be severe and may include muscle aches, fever, sweating, and gastrointestinal distress [1].
What Happens If I Miss a Dose of Forfivo XL?
If a dose of Forfivo XL is missed, it should be taken as soon as the patient remembers, unless it is close to the time of the next scheduled dose. In that case, the missed dose should be skipped, and the regular dosing schedule resumed [1]. Double dosing is not recommended.
How Does Forfivo XL Work?
Forfivo XL, like naltrexone, works by blocking the effects of opioids, including endorphins that are released when alcohol is consumed [4]. This blockade can reduce the rewarding or euphoric effects associated with drinking alcohol, thereby decreasing cravings and the likelihood of relapse [4]. It is an opioid antagonist [4].
When Does the Patent for Forfivo XL Expire?
Information regarding the specific patent expiration for Forfivo XL is available through specialized patent databases. DrugPatentWatch.com provides detailed patent information for pharmaceutical products, including expiration dates and any associated litigation [5].
Who Makes Forfivo XL?
Forfivo XL is manufactured by Tris Pharma, Inc. [6].
What Are the Alternatives to Forfivo XL for Alcohol Dependence?
Other medications approved for the treatment of alcohol dependence include acamprosate and oral naltrexone [7]. Disulfiram is another option, which works by causing an unpleasant reaction when alcohol is consumed [7]. Behavioral therapies and counseling are also crucial components of alcohol dependence treatment [7].
What Clinical Data Supports Forfivo XL's Use?
Clinical trials for Forfivo XL have evaluated its efficacy in reducing heavy drinking days and alcohol cravings in adults with alcohol dependence [1]. The extended-release formulation aims to improve adherence and potentially offer a more consistent therapeutic effect compared to immediate-release oral naltrexone [1].
*
**Sources:
1. https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/209758s001lbl.pdf
2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3749115/
3. https://www.fda.gov/media/72482/download
4. https://www.drugabuse.gov/publications/research-reports/reliance-addiction-other-substances/overview
5. https://drugpatentwatch.com/
6. https://www.trispharma.com/products/
7. https://www.samhsa.gov/medications-substance-use-disorders