CLARITHROMYCIN has been used in other treatment regimens for the eradication of H. Pylori, including: (CLARITHROMYCIN) COMPOSITION NEO-KLAR 250 mg Tablets: Each Film Coated Tablet Contains: Clarithromycin U.S.P................... 250 mg. NEO-KLAR 500 mg Tablets: Each Film Coated Tablet Contains: Clarithromycin U.S.P................... 500 mg. NEO-KLAR Granules: When mixed as directed each teaspoonful (5 ml) contains: Clarithromycin ................... 125 mg. PHARMACOKINETICS INFECTIONS IN PATIENTS WITH MYCOBACTERIAL Steady-state concentrations of CLARITHROMYCIN and 14-OH CLARITHROMYCIN observed following administration of usual doses to adult patients with HIV infection were similar to those observed in normal subjects. However, at the higher doses, which may be required to treat mycobacterial infections, CLARITHROMYCIN concentrations were much higher than those observed at the usual doses. In adult HIV-infected patients taking 1000-2000 mg/day in two divided doses, steady state CLARITHROMYCIN Cmax values ranged from 2-4 mcg/ml and 5-10 mcg/ml, respectively. Cmax values as high as 27 mcg/ml have been observed in HIVinfected adult patients taking 4000 mg/day in two divided doses. Elimination half-lives appeared to be lengthened at these higher doses as compared to that seen with usual doses in normal subjects. The higher plasma concentrations and longer elimination half-lives observed at these doses are consistent with the known nonlinearity in CLARITHROMYCIN pharmacokinetics. In children with HIV infection taking 15-30 mg/kg/day of CLARITHROMYCIN in two divided doses steady-state Cmax values generally ranged from 8 to 20 mcg/ml. However, Cmax values as high as 23 mcg/ml have been observed in HIV infected paediatric patients taking 30 mg/kg/day in two divided doses as CLARITHROMYCIN PAEDIATRIC SUSPENSION. Elimination half-lives appeared to be lengthened at these higher doses as compared to that observed with usual doses in normal subjects. The higher plasma concentrations and longer elimination half-lives observed at these doses are consistent with the known nonlinearity in CLARITHROMYCIN pharmacokinetics. MUTAGENICITY Studies to evaluate the mutagenic potential of CLARITHROMYCIN were performed using both nonactivated and rat-liver-microsome-activated test systems (Ames test). Results of these studies provided no evidence of mutagenic potential at drug concentrations of 25 mcg/petriplate or less. At a concentration of 50 mcg the drug was toxic for all strains tested. INDICATIONS: CLARITHROMYCIN is indicated for treatment of infections due to susceptible organisms, such infections include: 1- Lower respiratory tract infections (e.g., Bronchitis, pneumonia) 2- Upper respiratory tract infections (e.g., Pharyngitis, sinusitis) 3- Acute otitis media in children. 4- Skin and soft tissue infections. 5- Disseminated or localized mycobacterial infections due to Mycobacterium avium, Mycobacterium intracellulare, Localized infections due to Mycobacterium chelonae, Mycobacterium fortuitum. or Mycobacterium kansasaii. 6- CLARITHROMYCIN in the presence of acid suppression is indicated for the eradication of H. pylori, resulting in decreased recurrence of duodenal ulcer. The safety of Usage during pregnancy and lactation: CLARITHROMYCIN for use during pregnancy and breast-feeding of infants has not been established. CLARITHROMYCIN is excreted into human breast milk. Fertility, Reproduction and Teratogenicity: Fertility and reproduction studies have shown, daily dosages of 150-160 mg/kg/day to male and female rats caused no adverse effects on the estrous cycle, fertility, parturition, and number and viability of offspring. Two Teratogenicity studies in both Wistar (p.o.) and sprague Dawley (p.o. and I.V.) Rats 1 study in New Zealand white rabbits and 1 study in cynomologous monkeys failed to demonstrate any Teratogenicity from CLARITHROMYCIN. Only in 1 additional study in Sprague-Dawley rats at similar doses and essentially similar conditions did a very low, statistically insignificant incidence (approximately 6%) of cardiovascular anomalies occurred. These anomalies appeared to be due to spontaneous expression of genetic changes within the colony). OVERDOSAGE Reports indicate that the ingestion of large amounts of CLARITHROMYCIN can be expected to produce gastrointestinal symptoms. One patient who had a history of bipolar disorder ingested 8 grams of CLARITHROMYCIN and showed altered mental status, paranoid behaviour, hypokalemia and hypoxemia. Allergic reactions accompanying overdosage should be treated by the prompt elimination of unabsorbed drug and supportive measures. As with other macrolides, CLARITHROMYCIN serum levels are not expected to be appreciably affected by hemodialysis or peritoneal dialysis. FURTHER INFORMATION Helicobacter pylori is strongly associated with peptic ulcer disease. Ninety (90) to 100 % of patients with duodenal ulcers are infected with this pathogen. Eradication of H. Pylori has been shown to reduce the rate of duodenal ulcer recurrence, thereby reducing the need for maintenance antisecretory therapy. In 4 well controlled, double-blind studies H. Pylori infected duodenal ulcer patients received eradication therapy with CLARITHROMYCIN 500 mg TID and omeprazole 40 mg daily for 14 days followed by omeprazole 40 mg (study A) or omeprazole 20 mg (studies B,C and D) daily for and additional 14 days: patients in each control group received omeprazole alone for 28 days. In study A, H. Pylori was eradicated in over 80 % of patients who received CLARITHROMYCIN and omeprazole, and in only 1 % of patients receiving omeprazole alone. In studies B, C and D, the combined eradication rate was over 70 % in-patients receiving CLARITHROMYCIN and omeprazole, and less than 1 % in-patients receiving omeprazole alone. In each study, the rate of ulcer recurrence at 6 months was statistically lower in the CLARITHROMYCIN and omeprazole treated patients when compared to patients receiving omeprazole alone. CLARITHROMYCIN plus amoxicillin and omeprazole CLARITHROMYCIN plus tinidazole and omeprazole CLARITHROMYCIN plus Tetracycline, bismuth subsalicylate, and ranitidine CLARITHROMYCIN puls Iansoprazole CLARITHROMYCIN plus amoxicillin and lansoprazole DOSAGE AND ADMINISTRATION NEO-KLAR Tablets: The usual recommended dosage of CLARITHROMYCIN is one 250 mg tablet twice daily. In more severe infections the dosage can be increased to 500 mg twice daily. The usual duration of therapy is 6 to 14 days. In patients with renal impairment with creatinine clearance less than 30 ml/min, the dosage of CLARITHROMYCIN should be reduced by onehalf, i.e., 250 mg once daily, or 250 mg twice daily in more severe infections. Treatment should not be continued beyond 14 days in these patients. Dosage in patients with mycobacterial infection: The recommended starting dose for adults with mycobacterial infections is 500 mg BID. If no clinical or bacteriologic response is observed in 3 to 4 weeks, the dose may be increased to 1000 mg BID. Treatment of disseminated MAC infections in AIDS patients should be continued as long as clinical and microbiological benefit is demonstrated. CLARITHROMYCIN should be used in conjunction with other antimycobacterial agents. Treatment of other nontuberculous mycobacterial infections should continue at the discretion of the physician. Eradication of H. Pylori: The recommended dose of CLARITHROMYCIN is 500 mg TID for 14 days. NEO-KLAR Granules: The recommended daily dosage of CLARITHROMYCIN PAEDIATRIC SUSPENSION (125 mg / 5 ml) in children is 7.5 mg/kg b.i.d. Upto a maximum dose of 500 mg b.i.d. for non mycobacterial infections. The usual duration of treatment is for 5 to 10 days depending on the pathogen involved and the severity of the condition. Treatment for Streptococcal pharyngitis should be at least 10 days. The prepared suspension can be taken with or without meals, and can be taken with milk. The following table is a suggested guide for determining dosage: CLARITHROMYCIN PAEDIATRIC DOSAGE IN CHILDREN Based on Body weight in kg/lb Dosage in standard 5 ml Teaspoonful given twice daily 125mg/5ml Weight* 08-11 kg / 18-25 lb 12-19 kg / 26-43 lb 20-29 kg / 44-64 lb 30-40 kg / 65-88 lb 0.5 1.0 1.5 2.0 *Children. 8 kg / 18 lb should be dosed on per kg/per lb. basis (approx. 7.5 mg/kg or 3.4 mg/lb b.i.d.) Dosage in patients with renal impairment: In children with creatinine clearance less than 30 ml/min, the dosage of CLARITHROMYCIN should be reduced by one-half, i.e., upto 250 mg once daily, or 250 mg twice daily in more severe infections. Dosage should not be continued beyond 14 days in these patients. Dosage in patients with mycobacterial infections: In children with disseminated or localized mycobacterial infections (M. avium, M. intracellulare, M. Chelonae, M. Fortuitum, M. Kansasii), the recommended dose is 15-30 mg/kg CLARITHROMYCIN per day in two divided doses. Treatment with CLARITHROMYCIN should continue as long as clinical benefit is demonstrated. The addition of other anti-mycobacterial agents may be of benefit. DOSAGE GUIDELINES FOR PAEDIATRIC AIDS PATIENTS Based on Body Weight Dosage in standard 5 ml Teaspoonful given twice daily (Clarithromycin 125mg/5ml) Weight* Kg 08-11 12-19 20-29 30-40 Lb 18-25 26-43 44-64 65-88 125 mg/kg 0.5 1.0 1.5 2.0 30 mg/kg 1 2 3 4 *Children, 8kg (18 lbs) should be dosed on a per kg basis (15 to 30 mg/kg/day.) DIRECTIONS FOR PREPARING SUSPENSION: Add freshly boiled and cool water in bottle and shake well to make 60 ml up to the red mark on the bottle. INSTRUCTIONS - Protect from heat, sunlight & moisture. - Store below 30 C. - Keep out of the reach of children. PRESENTATION NEO-KLAR Tablet 250 mg In pack of 10 Tablets NEO-KLAR Tablet 500 mg In pack of 10 Tablets NEO-KLAR Suspension Pack of 60 ml.