﻿{"id":7218,"date":"2025-10-01T16:15:10","date_gmt":"2025-10-01T09:15:10","guid":{"rendered":"https:\/\/nhathuocngocanh.com\/bp\/?p=7218"},"modified":"2025-10-01T16:15:10","modified_gmt":"2025-10-01T09:15:10","slug":"capecitabine-tablets","status":"publish","type":"post","link":"https:\/\/nhathuocngocanh.com\/bp\/capecitabine-tablets\/","title":{"rendered":"Capecitabine Tablets"},"content":{"rendered":"<p style=\"text-align: justify;\">Edition: BP 2025 (Ph. Eur. 11.6 update)<\/p>\n<p style=\"text-align: justify;\"><strong>Action and use<\/strong><\/p>\n<p style=\"text-align: justify;\">Pyrimidine analogue; cytotoxic; treatment of cancer.<\/p>\n<h2 style=\"text-align: justify;\">DEFINITION<\/h2>\n<p style=\"text-align: justify;\">Capecitabine Tablets contain Capecitabine.<\/p>\n<p style=\"text-align: justify;\"><em>The tablets comply with the requirements stated under Tablets and with the following requirements.<\/em><\/p>\n<p style=\"text-align: justify;\"><strong>Content of capecitabine, C<sub>15<\/sub>H<sub>22<\/sub>FN<sub>3<\/sub>O<sub>6<\/sub><\/strong><\/p>\n<p style=\"text-align: justify;\">95.0 to 105.0% of the stated amount.<\/p>\n<h2 style=\"text-align: justify;\">IDENTIFICATION<\/h2>\n<p style=\"text-align: justify;\">Shake a quantity of the powdered tablets containing 0.05 g of Capecitabine with 4 mL of ethanol and filter. Evaporate the filtrate to dryness, under a stream of nitrogen, on a water bath at 65\u00b0. The infrared absorption spectrum of the residue, Appendix II A, is concordant with the reference spectrum of capecitabine BPCRS treated in the same manner.<\/p>\n<h2 style=\"text-align: justify;\">TESTS<\/h2>\n<h3 style=\"text-align: justify;\">Dissolution<\/h3>\n<p style=\"text-align: justify;\">Carry out the following procedure protected from light. Comply with the dissolution test for tablets and capsules, Appendix XII B1.<\/p>\n<h4 style=\"text-align: justify;\">TEST CONDITIONS<\/h4>\n<p style=\"text-align: justify;\">(a) Use Apparatus 2, rotating the paddle at 50 revolutions per minute.<\/p>\n<p style=\"text-align: justify;\">(b) Use 900 mL of phosphate buffer pH 6.8, at a temperature of 37\u00b0, as the medium.<\/p>\n<h4 style=\"text-align: justify;\">PROCEDURE<\/h4>\n<p style=\"text-align: justify;\">(1) After 30 minutes withdraw a sample of the dissolution medium and filter. Use the filtered medium, diluted with phosphate buffer pH 6.8, if necessary, to produce a solution expected to contain 0.017% w\/v of Capecitabine.<\/p>\n<p style=\"text-align: justify;\">(2) 0.017% w\/v of capecitabine BPCRS in phosphate buffer pH 6.8.<\/p>\n<p style=\"text-align: justify;\">(3) 0.017% w\/v of capecitabine BPCRS and 0.000025% w\/v of capecitabine impurity D EPCRS in phosphate buffer pH 6.8.<\/p>\n<h4 style=\"text-align: justify;\">CHROMATOGRAPHIC CONDITIONS<\/h4>\n<p style=\"text-align: justify;\">(a) Use a stainless steel column (25 cm \u00d7 4.6 mm) packed with end-capped octadecylsilyl silica gel for chromatography (5 \u00b5m) (Zorbax Eclipse XDB-C18 is suitable).<\/p>\n<p style=\"text-align: justify;\">(b) Use gradient elution and the mobile phase described below.<\/p>\n<p style=\"text-align: justify;\">(c) Use a flow rate of 1 mL per minute.<\/p>\n<p style=\"text-align: justify;\">(d) Use a column temperature of 40\u00b0.<\/p>\n<p style=\"text-align: justify;\">(e) Use a detection wavelength of 250 nm.<\/p>\n<p style=\"text-align: justify;\">(f) Inject 40 \u00b5L of each solution.<\/p>\n<h4 style=\"text-align: justify;\">MOBILE PHASE<\/h4>\n<p style=\"text-align: justify;\"><em>Mobile phase A<\/em> 5 volumes of acetonitrile, 35 volumes of methanol and 60 volumes of a 0.1% v\/v solution of glacial acetic acid.<\/p>\n<p style=\"text-align: justify;\"><em>Mobile phase B<\/em> 5 volumes of acetonitrile, 80 volumes of methanol and 15 volumes of a 0.1% v\/v solution of glacial acetic acid.<\/p>\n<table style=\"border-collapse: collapse; width: 100%; height: 126px;\">\n<tbody>\n<tr style=\"height: 21px;\">\n<td style=\"width: 20.0851%; height: 21px; text-align: center;\"><strong>Time (Minutes)<\/strong><\/td>\n<td style=\"width: 27.6465%; height: 21px; text-align: center;\"><strong>Mobile phase A (% v\/v)<\/strong><\/td>\n<td style=\"width: 27.2684%; height: 21px; text-align: center;\"><strong>Mobile phase B (% v\/v)<\/strong><\/td>\n<td style=\"width: 25%; height: 21px; text-align: center;\"><strong>Comment<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"width: 20.0851%; height: 21px; text-align: center;\">0-5<\/td>\n<td style=\"width: 27.6465%; height: 21px; text-align: center;\">100<\/td>\n<td style=\"width: 27.2684%; height: 21px; text-align: center;\">0<\/td>\n<td style=\"width: 25%; height: 21px; text-align: center;\">isocratic<\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"width: 20.0851%; height: 21px; text-align: center;\">5-20<\/td>\n<td style=\"width: 27.6465%; height: 21px; text-align: center;\">100\u219249<\/td>\n<td style=\"width: 27.2684%; height: 21px; text-align: center;\">0\u219251<\/td>\n<td style=\"width: 25%; height: 21px; text-align: center;\">linear gradient<\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"width: 20.0851%; height: 21px; text-align: center;\">20-30<\/td>\n<td style=\"width: 27.6465%; height: 21px; text-align: center;\">49<\/td>\n<td style=\"width: 27.2684%; height: 21px; text-align: center;\">51<\/td>\n<td style=\"width: 25%; height: 21px; text-align: center;\">isocratic<\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"width: 20.0851%; height: 21px; text-align: center;\">30-32<\/td>\n<td style=\"width: 27.6465%; height: 21px; text-align: center;\">49\u2192100<\/td>\n<td style=\"width: 27.2684%; height: 21px; text-align: center;\">51\u21920<\/td>\n<td style=\"width: 25%; height: 21px; text-align: center;\">linear gradient<\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"width: 20.0851%; height: 21px; text-align: center;\">32-40<\/td>\n<td style=\"width: 27.6465%; height: 21px; text-align: center;\">100<\/td>\n<td style=\"width: 27.2684%; height: 21px; text-align: center;\">0<\/td>\n<td style=\"width: 25%; height: 21px; text-align: center;\">re-equilibration<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 style=\"text-align: justify;\">SYSTEM SUITABILITY<\/h4>\n<p style=\"text-align: justify;\">The test is not valid unless, in the chromatogram obtained with solution (3), the resolution between the peaks due to impurity D and capecitabine is at least 2.0.<\/p>\n<h4 style=\"text-align: justify;\">DETERMINATION OF CONTENT<\/h4>\n<p style=\"text-align: justify;\">Calculate the content of C15H22FN3O6 in the medium using the declared content of C15H22FN3O6 in capecitabine BPCRS.<\/p>\n<h4 style=\"text-align: justify;\">LIMITS<\/h4>\n<p style=\"text-align: justify;\">The amount of capecitabine released is not less than 75% (Q) of the stated amount.<\/p>\n<h3 style=\"text-align: justify;\">Related substances<\/h3>\n<p style=\"text-align: justify;\">Carry out the method for liquid chromatography, Appendix III D, using the following solutions. Prepare the solutions immediately before use.<\/p>\n<p style=\"text-align: justify;\"><em>Solvent A<\/em> 5 volumes of acetonitrile, 35 volumes of methanol and 60 volumes of water.<\/p>\n<p style=\"text-align: justify;\">(1) Shake a quantity of powdered tablets containing 60 mg of Capecitabine with 80 mL of solvent A, dilute to 100 mL with the solvent A and filter.<\/p>\n<p style=\"text-align: justify;\">(2) Dilute 1 volume of solution (1) to 100 volumes with solvent A.<\/p>\n<p style=\"text-align: justify;\">(3) Dilut1 2 volume of solution (2) to 5 volumes with solvent A.<\/p>\n<p style=\"text-align: justify;\">(4) 0.06% w\/v of capecitabine BPCRS and 0.0001% w\/v each of capecitabine impurity A EPCRS, capecitabine impurity B EPCRS and capecitabine impurity D EPCRS in solvent A.<\/p>\n<p style=\"text-align: justify;\">The chromatographic conditions described under Dissolution may be used with an injection volume of 10 \u00b5L.<\/p>\n<p style=\"text-align: justify;\">When chromatograms are recorded under the prescribed conditions, the retention times relative to capecitabine (retention time, about 16 minutes) are: impurity A, about 0.16; impurity B, about 0.18; impurities D and E (co-elute), 0.94.<\/p>\n<h4 style=\"text-align: justify;\">SYSTEM SUITABILITY<\/h4>\n<p style=\"text-align: justify;\">The test is not valid unless, in the chromatogram obtained with solution (4):<\/p>\n<p style=\"text-align: justify;\">the resolution between the peaks due to impurity A and impurity B is at least 1.5; the resolution between the peaks due to impurity D and capecitabine is at least 2.0.<\/p>\n<h4 style=\"text-align: justify;\">LIMITS<\/h4>\n<p style=\"text-align: justify;\">Identify any peak corresponding to impurity B using the chromatogram obtained with solution (4) and multiply the peak area by the correction factor of 1.3.<\/p>\n<p style=\"text-align: justify;\">In the chromatogram obtained with solution (1):<\/p>\n<p style=\"text-align: justify;\">the area of any peak due to impurity A or impurity B is not greater than the area of the principal peak in the chromatogram obtained with solution (2) (1%);<\/p>\n<p style=\"text-align: justify;\">the sum of the areas of any peak due to impurities D and E is not greater than half the area of the principal peak in the chromatogram obtained with solution (2) (0.5%);<\/p>\n<p style=\"text-align: justify;\">the area of any other secondary peak is not greater than the area of the principal peak in the chromatogram obtained with solution (3) (0.2%);<\/p>\n<p style=\"text-align: justify;\">the sum of the areas of all secondary peaks is not greater than twice the area of the principal peak in the chromatogram obtained with solution (2) (2%).<\/p>\n<p style=\"text-align: justify;\">Disregard any peak with an area less than 0.25 times the area of the principal peak in the chromatogram obtained with solution (3) (0.05%).<\/p>\n<h2 style=\"text-align: justify;\">ASSAY<\/h2>\n<p style=\"text-align: justify;\">Weigh and powder 20 tablets. Carry out the method for liquid chromatography, Appendix III D, using the following solutions. Prepare the solutions immediately before use.<\/p>\n<p style=\"text-align: justify;\"><em>Solvent A<\/em> 5 volumes of acetonitrile, 35 volumes of methanol and 60 volumes of water.<\/p>\n<p style=\"text-align: justify;\">(1) Shake a quantity of powdered tablets containing 60 mg of Capecitabine with 80 mL of solvent A, dilute to 100 mL with the solvent A and filter.<\/p>\n<p style=\"text-align: justify;\">(2) 0.06% w\/v of capecitabine BPCRS in solvent A.<\/p>\n<p style=\"text-align: justify;\">(3) 0.06% w\/v of capecitabine BPCRS and 0.0001% w\/v of capecitabine impurity D EPCRS in solvent A. The chromatographic conditions described under Dissolution may be used with an injection volume of 10 \u00b5L.<\/p>\n<h3 style=\"text-align: justify;\">SYSTEM SUITABILITY<\/h3>\n<p style=\"text-align: justify;\">The test is not valid unless, in the chromatogram obtained with solution (3), the resolution between the peaks due to impurity D and capecitabine is at least 2.0.<\/p>\n<h3 style=\"text-align: justify;\">DETERMINATION OF CONTENT<\/h3>\n<p style=\"text-align: justify;\">Calculate the content of C15H22FN3O6 in the tablets using the declared content of C15H22FN3O6 in capecitabine BPCRS.<\/p>\n<h2 style=\"text-align: justify;\">IMPURITIES<\/h2>\n<p style=\"text-align: justify;\">The impurities limited by the requirements of this monograph include those listed under Capecitabine.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Edition: BP 2025 (Ph. Eur. 11.6 update) Action and use Pyrimidine analogue; cytotoxic; treatment of cancer. DEFINITION Capecitabine Tablets contain Capecitabine. The tablets comply with the requirements stated under Tablets and with the following requirements. Content of capecitabine, C15H22FN3O6 95.0 to 105.0% of the stated amount. IDENTIFICATION Shake a quantity of the powdered tablets containing&#8230;<\/p>\n","protected":false},"author":5,"featured_media":7223,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[175],"tags":[],"class_list":["post-7218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-formulated-preparations-specific-monographs"],"acf":[],"_links":{"self":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/7218","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/comments?post=7218"}],"version-history":[{"count":2,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/7218\/revisions"}],"predecessor-version":[{"id":7238,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/posts\/7218\/revisions\/7238"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/media\/7223"}],"wp:attachment":[{"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/media?parent=7218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/categories?post=7218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nhathuocngocanh.com\/bp\/wp-json\/wp\/v2\/tags?post=7218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}