About Tindamax®
Tindamax® (tinidazole), a second-generation nitroimidazole, is an antiprotozoal drug which is used to treat certain types of parasitic infections, including the sexually transmitted disease (STD) trichomoniasis, also known as "trich." Tindamax® is also indicated to treat the intestinal parasitic infections giardiasis and amebiasis, as well as amebic liver infections. When approved by the FDA in May 2004, Tindamax® marked the first advancement in the treatment of trich in over 40 years. Additionally, the recently approved supplemental indication for the treatment of bacterial vaginosis (BV) makes Tindamax® the first oral therapy approved for this condition in a decade.
Product Benefits
Compared to the current standard of care:
- Tindamax® has a long serum half-life (12-14 hours v. 6-7 hours).
- Tindamax® has an excellent safety profile and a low incidence of gastrointestinal side effects.
- Additionally, increased lipid solubility of Tindamax® results in more efficient tissue absorption.
In Trichomoniasis
- Tindamax® is recommended as one of the drugs of choice for the treatment of trichomoniasis by the Centers for Disease Control and Prevention (CDC).1
- In over 30 clinical studies of trichomoniasis, Tindamax® has demonstrated cure rates of 92 to 100 percent in both women and men.
- Tindamax® effectively treats trichomoniasis in one dose, while sparing protective vaginal lactobacilli.
In Bacterial Vaginosis (BV)
- Clinical trial data show once-daily Tindamax® to be significantly superior to placebo in treating BV, and as well-tolerated and safe as compared to placebo.
- Unlike intravaginal treatments such as creams or gels, Tindamax® treats the entire reproductive tract systematically, including the upper tract, where BV has been shown to migrate.
- Administered as one gram (two tablets) once daily for five days or two grams (four tablets) once daily for two days, Tindamax® provides a shorter and more convenient oral treatment for bacterial vaginosis than the current standard of care.
In Giardiasis
- Tindamax® is recommended as one of the drugs of choice for the treatment of giardiasis by the Centers for Disease Control and Prevention (CDC).2
- Tindamax® is the only single-dose oral therapy approved to treat giardiasis.
- Single-dose Tindamax® for giardiasis has demonstrated cure rates of 80 to 100 percent
Side Effects
Tindamax® has been found to have a favorable side effect profile with a low incidence of nausea and vomiting. In clinical trials of patients treated with a single 2 gram dose of tinidazole for trichomoniasis and giardiasis, adverse effects were reported by 11 percent of patients, and included metallic or bitter taste, nausea, anorexia, abdominal discomfort, vomiting, constipation, diarrhea, general weakness or fatigue, dizziness, and headache.
Carcinogenicity has been seen in mice and rats treated chronically with metronidazole, another nitroimidazole agent. Although such data have not been reported for tinidazole, the two drugs are structurally related and have similar biologic effects. Use should be limited to approved indications only.
The use of tinidazole in pregnant patients has not been studied. Tindamax® should not be administered to women in their first trimester of pregnancy.
To reduce the development of drug-resistant bacteria and maintain the effectiveness of Tindamax® and other antibacterial drugs, Tindamax® should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
1. The Centers for Disease Control and Prevention: Sexually Transmitted Diseases Treatment Guidelines, 2006. Available at http://www.cdc.gov/std/treatment/2006/toc.htm. Accessed January 30, 2007.
2. The Centers for Disease Control and Prevention: Health Guide for International Travelers, 2005-2006. Available at http://www2.ncid.cdc.gov/travel/yb/utils/ybGet.asp?section=dis&obj=giardiasis.htm. Accessed January 31, 2007.
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