Tequin (Gatifloxacin) - Summary

TEQUIN SUMMARY

TEQUIN contains gatifloxacin, a synthetic broad-spectrum 8-methoxyfluoroquinolone antibacterial agent for oral or intravenous administration.

TEQUIN (gatifloxacin) is indicated for the treatment of infections due to susceptible strains of the designated microorganisms in the conditions listed below (see DOSAGE AND ADMINISTRATION).

Acute bacterial exacerbation of chronic bronchitis due to Streptococcus pneumoniae, Haemophilus influenzae, Haemophilus parainfluenzae, Moraxella catarrhalis, or Staphylococcus aureus.

Acute sinusitis due to Streptococcus pneumoniae or Haemophilus influenzae.

Community-acquired pneumonia due to Streptococcus pneumoniae, Haemophilus influenzae, Haemophilus parainfluenzae, Moraxella catarrhalis, Staphylococcus aureus, Mycoplasma pneumoniae, Chlamydia pneumoniae, or Legionella pneumophila.

Uncomplicated skin and skin structure infections (i.e., simple abscesses, furuncles, folliculitis, wound infections, and cellulitis) due to Staphylococcus aureus (methicillin-susceptible strains only) or Streptococcus pyogenes.

NOTE: An insufficient number of patients with the diagnosis of impetiginous lesions were available for evaluation.

Uncomplicated urinary tract infections (cystitis) due to Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis.

Complicated urinary tract infections due to Escherichia coli, Klebsiella pneumoniae, or Proteus mirabilis.

Pyelonephritis due to Escherichia coli.

Uncomplicated urethral and cervical gonorrhea due to Neisseria gonorrhoeae. Acute, uncomplicated rectal infections in women due to Neisseria gonorrhoeae (see WARNINGS).

To reduce the development of drug-resistant bacteria and maintain the effectiveness of TEQUIN and other antibacterial drugs, TEQUIN should be used only to treat or prevent infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information are available, they should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.

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NEWS HIGHLIGHTS

Published Studies Related to Tequin (Gatifloxacin)

Aqueous humour penetration of moxifloxocin and gatifloxacin eye drops in different dosing regimens before phacoemulsification surgery. [2011.09]
AIM: To compare the aqueous humour penetration of moxifloxacin 0.5% and gatifloxacin 0.3% eye drops administered in two different dosing regimens during phacoemulsification surgery... CONCLUSION: Moxifloxacin, given in the same dosage, penetrated the aqueous humour better then gatifloxacin during cataract surgery. The penetration of both antibiotics increased significantly when the dosage of the agent was doubled.

A multi-center randomized trial to assess the efficacy of gatifloxacin versus ciprofloxacin for the treatment of shigellosis in Vietnamese children. [2011.08]
CONCLUSIONS: We conclude that in Vietnam, where nalidixic acid resistant Shigellae are highly prevalent, ciprofloxacin and gatifloxacin are similarly effective for the treatment of acute shigellosis.

Human aqueous humor concentrations of besifloxacin, moxifloxacin, and gatifloxacin after topical ocular application. [2011.06]
PURPOSE: To determine the concentrations of besifloxacin, moxifloxacin, and gatifloxacin in human aqueous humor after topical instillation of commercially available besifloxacin ophthalmic suspension 0.6%, moxifloxacin ophthalmic solution 0.5%, and gatifloxacin ophthalmic solution 0.3%, and to assess these concentrations relative to the minimum inhibitory concentration for 90% of strains (MIC(90)) for each drug against bacterial pathogens identified in recent cases of postoperative endophthalmitis. SETTING: Six clinical sites, United States. DESIGN: Randomized open-label controlled clinical trial... CONCLUSIONS: Based on the aqueous humor drug concentrations measured in this study, it is unlikely that any of the fluoroquinolones tested would be therapeutically effective in the aqueous humor against the most frequently identified drug-resistant staphylococcal isolates from recent cases of postoperative endophthalmitis. FINANCIAL DISCLOSURE: No author has a financial or proprietary interest in any material or method mentioned. Additional disclosures are found in the footnotes. Copyright (c) 2011 ASCRS and ESCRS. Published by Elsevier Inc. All rights reserved.

Gatifloxacin versus chloramphenicol for uncomplicated enteric fever: an open-label, randomised, controlled trial. [2011.06]
BACKGROUND: We aimed to investigate whether gatifloxacin, a new generation and affordable fluoroquinolone, is better than chloramphenicol for the treatment of uncomplicated enteric fever in children and adults... INTERPRETATION: Although no more efficacious than chloramphenicol, gatifloxacin should be the preferred treatment for enteric fever in developing countries because of its shorter treatment duration and fewer adverse events. FUNDING: Wellcome Trust. Copyright (c) 2011 Elsevier Ltd. All rights reserved.

A prospective randomized evaluation of topical gatifloxacin on conjunctival flora in patients undergoing intravitreal injections. [2009.08]
PURPOSE: We sought to assess the efficacy of 3-day topical gatifloxacin use in combination with povidone-iodine (PVI) versus PVI alone in eliminating conjunctival bacterial flora in patients scheduled to undergo intravitreal (IVT) injection. DESIGN: Prospective, randomized single-blind clinical trial. PARTICIPANTS: We included 129 patients scheduled to undergo 273 IVT injections at California Vitreoretinal Center at Stanford University... CONCLUSIONS: Although 3-day topical gatifloxacin use is effective in reducing the frequency of conjunctival bacterial growth relative to untreated eyes, antibiotic use confers no additional benefit in combination with PVI than eyes receiving PVI alone. This supports that topical PVI is an effective preinjection monotherapy for infection prophylaxis in the setting of IVT injections.

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Clinical Trials Related to Tequin (Gatifloxacin)

Effect of Moxifloxacin Versus Gatifloxacin on Corneal Epithelium Following Pterygium Excision [Not yet recruiting]
The purpose of this study is to determine whether there is a difference in corneal epithelial healing rate and/or toxicity following pterygium excision, between eyes treated post-operatively by moxifloxacin(VIGAMOX)versus gatifloxacin (ZYMAR).

Gatifloxacin Versus Ceftriaxone in the Treatment of Enteric Fever [Recruiting]
The investigators aim to compare two antibiotic treatments for enteric (typhoid) fever. Three hundred patients at Patan Hospital will be enrolled in the study. Patients will be assigned to one of the two treatments by chance and followed for 6 months. The two treatment groups will be compared to see which treatment is more likely to make the patient better.

Prospective Randomized Comparison of Zymar(Gatifloxacin) and Vigamox (Moxifloxacin) in Killing Conjunctival Bacterial Flora Following a One-Hour Application [Recruiting]
Topical ophthalmic antibiotics are common prescribed just prior to eye surgery to lower the risk of infection. Previous studies have suggested that antibiotics containing a preservative (Zymar) kill bacteria much quicker than those without a preservative (Vigamox). The purpose of this research is to compare how quickly to the two commonly prescribed antibiotics eliminate bacteria from the eye surface.

Besifloxacin Ophthalmic Suspension Verses Gatifloxacin Ophthalmic Solution in Neonates With Bacterial Conjunctivitis [Recruiting]
The objective of this study is to evaluate the safety and efficacy of Besivance (besifloxacin 0. 6%) ophthalmic suspension compared to gatifloxacin 0. 3% ophthalmic solution when administered three times daily (TID) for seven days to neonatal subjects who are 31 days or younger on the day of randomization (Visit 1).

Preoperative Topical Gatifloxacin on Anterior Chamber Cultures After Cataract Surgery [Suspended]
Postoperative endophthalmitis, a possible severe complication of cataract surgery, is an infection of the anterior chamber of the eye caused by bacterial contamination and colonization through surgical incisions. Bacteria are thought to originate mainly from the patient’s skin and studies show that bacteria are commonly found in the anterior chamber following surgery. However, innate immune defences are usually able to control and eliminate bacterial growth before postoperative endophthalmitis occurs. Also, due to the low incidence of postoperative endophthalmitis, it is difficult to accurately evaluate preventative methods. This study will examine the efficacy of topical preoperative administration of gatifloxacin (a new fourth generation fluoroquinolone antibiotic) on reduction of bacterial contamination of the anterior chamber following cataract surgery. If the antibiotic is shown to lower bacteria count in cultures from anterior chamber fluid, it has the potential to lower the incidence of postoperative endophthalmitis.

Patients undergoing cataract surgery will be notified and asked to participate in the study by the physician in advance of the surgery, provided they do not possess any exclusion criteria. The participants will be randomly split into two groups; one group will receive topical application of gatifloxacin prior to surgery, while the other group will receive no eye drops. During surgery, a small sample of anterior chamber fluid will be removed from the eye and cultured in both broth and enrichment media for all subjects. Bacterial growth, i. e., colony forming units (CFUs), will be used as an indicator of the bacterial contamination of the fluid.

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Reports of Suspected Tequin (Gatifloxacin) Side Effects

Drug Hypersensitivity (4),  Tendon Rupture (2),  Rotator Cuff Syndrome (2),  Vomiting (2),  Nausea (2),  Arthralgia (1)

PATIENT REVIEWS / RATINGS / COMMENTS

Tequin review by 52 year old female patient
		Rating
Overall rating:
Effectiveness:		Ineffective
Side effects:		No Side Effects
		Treatment Info
Condition / reason:		UTI
Dosage & duration:		400 mg taken once a day for the period of 5 days
Other conditions:		hypothyroidism
Other drugs taken:		synthroid, pyridium
		Reported Results
Benefits:		pain relief, frequencey, urgency relief
Side effects:		none
Comments:		Tequin and pyridium per MD order. drink lots of water, void completely, wipe front to back, void before and after sexual intercourse, avoid chemicals around urethra like bubble baths, maintain cleanliness around urethra, drink cranberry juice and/or take vitamin C supplements to maintain acidic urine to inhibit bacteria from attaching to wall of bladder.