FDA approves expanded use of flibanserin for hypoactive sexual desire disorder in women

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Frequently asked questions

Ultimately the best treatments for HSDD and related conditions may involve collaboration between sexual medicine and mental health providers. Very often the best treatment may not be “either/or,” but both. You’ll need to see a doctor who’s knowledgeable about Addyi — someone who can take the time to review your situation thoroughly to decide whether a medication makes sense. Now that this medication has been available for several years, we have a better understanding of how useful it can be for women with Hypoactive Sexual Desire Disorder (HSDD). It offers a fresh approach to addressing loss of sexual desire, which can be a challenging issue for couples.

Comparison table

use of flibanserin and alcohol together close in time incr. risk of severe hypotension and syncope; counsel patients to wait at least 2h after consuming 1-2 standard alcoholic drinks before taking flibanserin or skip dose if patient consumed 3 or more standard alcoholic drinks that evening; after taking flibanserin dose, advise patients to not use alcohol until next day flibanserin levels, which can cause severe hypotension and syncope contraindicated in patients with hepatic impairment; use in these patients may incr. risk of flibanserin levels, which can cause severe hypotension and syncope Info: for female patients <65 yo; D/C after 8wk if no improvement Peds dosing is currently unavailable or not applicable for this drug. Click a letter to see a list of drugs beginning with that letter. If you experience any of these symptoms or those listed in the IMPORTANT WARNING and SPECIAL PRECAUTIONS sections, call your doctor immediately: hives; itching; hoarseness; difficulty breathing or swallowing; or swelling of the face, lips, or mouth Call your doctor if you have any unusual problems while taking this medication. Users are advised that decisions regarding drug therapy are complex medical decisions requiring the independent, informed decision of an appropriate health care professional, and the information is provided for informational purposes only. The entire monograph for a drug should be reviewed for a thorough understanding of the drug's actions, uses and side effects. The American Society of Health-System Pharmacists, Inc.

does not endorse or recommend the use of any drug.

Side Effects of flibanserin

But the majority were at least somewhat depressed, so it’s difficult to know exactly what the therapeutic mechanism was. The short answer is that a woman can stop Addyi anytime she wants. But what women really want to know of course is whether their libido, once it’s been restored, will stay restored after they go off the medicine. The technical term for it in sex therapy is “bridging” to unassisted sex. No one has yet studied how many women are going to be able eventually to “bridge” to not needing flibanserin, versus how many are going to keep needing it.

Features and Benefits

The maximum time flibanserin has been studied in premenopausal women is 18 months, and it appears to keep working over that timespan without losing its effectiveness. But more research is going to be necessary before we can say how enduring the effects might be after stopping the drug. This question was looked at specifically in the clinical trials. Overall, patients did not gain weight on flibanserin. In fact, there was some tendency to weight loss. The information is not a substitute for medical care. While abacavir is safe and well-tolerated, if genetic prescreening is not undertaken, 5–8% of patients will develop hypersensitivity reaction (HSR (within the first 6 weeks of treatment.

• Flibanserin, a serotonin receptor modulator, was initially investigated for depression.
• Its approval marked a historic moment in treating female sexual dysfunction.
• The medication's side effects necessitate careful patient education.
• Efficacy is often supported by patient-reported improvements in desire.
• It does not function as an aphrodisiac but affects brain chemistry.
• Flibanserin therapy requires adherence to dosing instructions.
• Women with low libido due to other health issues may not benefit from it.
• Its role is to complement behavioral or psychological therapy if needed.
• Research continues into better options for treating female hypoactive sexual desire.

Some pharmaceuticals can trigger immune-mediated hypersensitivity reactions by interactions with MHC molecules, but the actual mechanism of these interactions is unknown.

In case of emergency/overdose

It should be entirely her own choice. This will most likely be an active area of research. Especially because there are many women with panic disorder, OCD, or serious depression for whom nothing else works. A lot of people are going to be curious about whether flibanserin can help women on SRI’s, and we’ll look forward to seeing the results when this research is done. Older women suffer from HSDD as well as younger ones.

Pregnancy Precautions

Flibanserin has been studied in post-menopausal women with HSDD, and it appears to be effective. But for now its use in post-menopausal women is off-label. Use of Addyi together with birth control pills can be associated with higher levels of flibanserin, and therefore greater risk of side effects. Note: In some cases, birth control pills can be a factor in a woman’s loss of libido. My own approach is to recommend that a woman first switch to some other kind of contraception. Two theories were suggested one is that these drugs could function as haptens, binding irreversibly to peptides and causing immune cells to attack the peptide-hapten conjugate; the second one is that these compounds could bind to MHC molecules or T-cell receptors directly, causing T-cell activation (Martin et al., 2014, Martin et al., 2012).

Adverse Effects

This report on medications is for your information only, and is not considered individual patient advice. Because of the changing nature of drug information, please consult your physician or pharmacist about specific clinical use. The American Society of Health-System Pharmacists, Inc. represents that the information provided hereunder was formulated with a reasonable standard of care, and in conformity with professional standards in the field. The American Society of Health-System Pharmacists, Inc. While there are over 1500 HLA-B alleles, the CPIC and DWPG recommendations focus solely on the HLA-B*57:01 alleles as it relates to abacavir HSR.

What SIDE EFFECTS can this medicine cause?

As a sex therapist, I’m pretty confident Addyi won’t put me out of business. So restoring a woman’s biological desire is only part of the picture. I think one of the most exciting things is going to be collaboration between sex therapy and sexual medicine. That’s what’s going to lead to the most number of people getting the most effective help. If a woman takes Addyi for 8 to 12 weeks as directed, and doesn’t notice any difference in her libido, then it’s likely she’s a non-responder.

Flibanserin may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

Almost half of women in clinical trials didn’t report much response to flibanserin. For women who don’t respond to Addyi, there are off-label prescription treatments such as bupropion (Wellbutrin and others) and very low dose testosterone gel. But since they’re off-label, they require a careful discussion with your doctor. You may specifically want to consult with a sexual medicine specialist. As a sex therapist who’s also an MD, I’ve seen many female patients report restored libido on bupropion. The Royal Dutch Pharmacists Association—Pharmacogenetics Working Group has evaluated therapeutic dose recommendations for abacavir based on HLA-B*57:01 and in August 2019 Update recommends avoiding abacavir.

• The chemical name is 1,2,3,4-tetrahydro-1-{[2-(1,2,3,4-tetrahydro-8-quinolyl)ethyl]amino}methyl-6-fluorobenz[cd]indol-5(6H)-one.
• Molecular formula is C₂₀H₂₁F₃N₄O.
• It is a white to off-white powder that is slightly soluble in water.
• The tablet contains inactive ingredients: microcrystalline cellulose, croscarmellose sodium.
• Also contains magnesium stearate, hypromellose, titanium dioxide, and iron oxide red.
• Manufactured under strict Good Manufacturing Practice (GMP) standards.
• Distributed in bottles or blister packs, typically containing 30 tablets.
• National Drug Code (NDC) for Addyi 100 mg is 0187-XXXX-XX (varies by pack).
• Keep out of reach of children and pets.

A 48% of the HLA-B*5701-positive patients develop a severe and potentially life-threatening hypersensitivity reaction to abacavir and so Abacavir is contra-indicated for HLA-B*5701-positive patients (Whirl-Carrillo et al., 2012).

According to CIPIC guideline for Abacavir, individuals with the HLA-B*57:01 variant alleles (“HLA-B*57:01-positive”), have significantly increased risk of abacavir hypersensitivity and abacavir is not recommended and should be considered only under exceptional circumstances.

• Summary: A daily, non-hormonal pill for premenopausal women with HSDD.
• Key benefit: Modest increase in sexual desire and satisfying events for some.
• Key risk: Potentially severe interactions with alcohol and many medications.
• Management: Strict adherence to REMS, bedtime dosing, and no alcohol.
• Patient profile: Premenopausal woman with distress from low desire, otherwise healthy.
• Provider role: Certify, counsel, monitor, and manage expectations.
• Place in therapy: One option among a comprehensive approach to sexual health.
• Public health impact: Highlighted need for and challenges in female sexual medicine.
• Future: Continued evaluation of real-world outcomes and safety profile.

No carrier of HLA-B*57:01 show low or reduced risk of abacavir hypersensitivity and can use abacavir per standard dosing guidelines.

IN THEIR WORDS

In some cases this can improve desire, though there can be a delay of many months to over a year before desire returns. That depends on a lot of factors, including what caused a woman’s loss of desire. Sometimes the causes seem to be mostly situational (such as chronic unexpressed anger in a relationship). Flibanserin is probably not going to be helpful in a situation like that. But some women in perfectly happy relationships experience a serious loss of desire following a life event such as the birth of a child, and desire never returns.

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In that kind of situation, a biological treatment such as flibanserin may make more sense. Most women will want to try psychological counseling first before medication. But very often counseling doesn’t bring back desire. If you ask sex therapists, most of them will tell you that loss of desire can be the most difficult problem to treat. Most sex therapists appreciate anything lovegra women that adds to their toolbox of things that can help restore desire. The Classification of recommendations according to CPIC rating is strong (Martin et al., 2014, 2012; Martin and Kroetz, 2013). Amifampridine (RUZURGI) is a medication that is primarily used to treat a variety of rare muscle diseases.

What should I know about storage and disposal of this medication?

It’s a challenge to prove that any one treatment for desire is better than placebo. Flibanserin beat placebo on all self-report measures of desire, satisfaction, and distress in randomized controlled trials. Most herbs and supplements that claim to increase desire contain combinations of several agents. It’s very difficult scientifically to prove that even one agent makes a difference for desire. When you combine several different agents, you’re basically admitting it’s more hope than science.

Does Addyi interact with other medicines (drug interactions)?

For instance, a woman taking Addyi should avoid using alcohol, and should avoid certain medications such as fluconazole (Diflucan and others) that can increase blood levels of flibanserin. In my opinion, there are psychological contraindications as well. For instance, the situation where a woman’s motivation to take medication comes from her partner, rather than from the woman herself. Don’t try it just because your partner wants you to. A woman should only take Addyi if she herself wants to feel sexual again. The free base form of the drug has also been used to treat congenital myasthenic syndromes and Lambert–Eaton myasthenic syndrome (LEMS).

• Flibanserin was developed by Boehringer Ingelheim, later licensed to Sprout Pharmaceuticals.
• It is considered a "female Viagra," though its mechanism differs from male erectile drugs.
• The medication is part of the growing field of female sexual dysfunction treatment.
• Most clinical trials showed a modest increase in satisfying sexual events.
• Flibanserin should be taken consistently for best results.
• It is not recommended for women who are pregnant or breastfeeding.
• Common adverse reactions include dry mouth and insomnia.
• The drug was approved after extensive clinical trials involving thousands of women.
• Long-term safety data is still being collected.