Carboplatin

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H317：알레르기성 피부 반응을 일으킬 수 있음

  H334：흡입 시 알레르기성 반응, 천식 또는 호흡 곤란 등을 일으킬 수 있음

  H340：유전적인 결함을 일으킬 수 있음 (노출되어도 생식세포 유전독성을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재)

  H360：태아 또는 생식능력에 손상을 일으킬 수 있음

• 예방조치문구

  P201：사용 전 취급 설명서를 확보하시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P301+P312：삼켜서 불편함을 느끼면 의료기관(의사)의 진찰을 받으시오.

  P308+P313：노출 또는 접촉이 우려되면 의학적인 조치· 조언를 구하시오.

Carboplatin 화학적 특성, 용도, 생산

• 개요

  Carboplatin is a second generation, platinum-containing antineoplastic agent with significantly reduced nephro-, neuro-, and ototoxicity in comparison to cisplatin. It is effective in the treatment of advanced ovarian carcinoma of epithelial origin and small cell carcinoma of the lung.

• 화학적 성질

  White Crystals

• 용도

  Data on carboplatin production have not been found. Carboplatin is used in chemotherapy to treat cancer, and more particularly to treat cancer of ovary, embryonal carcinoma of the testis, microcellular carcinoma of the lung, neuroblastoma, and squamous cell carcinomas of the head and neck.

• Indications

  Carboplatin (Paraplatin) is an analogue of cisplatin. Its plasma half-life is 3 to 5 hours, and it has no significant protein binding. Renal excretion is the major route of drug elimination.
  Despite its lower chemical reactivity, carboplatin has antitumor activity that is similar to that of cisplatin against ovarian carcinomas, small cell lung cancers, and germ cell cancers of the testis. Most tumors that are resistant to cisplatin are cross-resistant to carboplatin.
  The major advantage of carboplatin over cisplatin is a markedly reduced risk of toxicity to the kidneys, peripheral nerves, and hearing; additionally, it produces less nausea and vomiting. It is, however, more myelosuppressive than cisplatin. Other adverse effects include anemia, abnormal liver function tests, and occasional allergic reactions.

• 일반 설명

  Carboplatin is available in 50-, 150-, and 450-mg vials for IVadministration in the treatment of ovarian cancer, bladdercancer, germ cell tumors, head and neck cancers, small celllung cancer, and NSCLC. Activation of the agent occurs byaquation in a manner similar to that seen for cisplatin. Thepresence of the chelating 1,1-cyclobutane-dicarboxylateslows this reaction 100-fold and reduces the toxicity of theagent. The sites of alkylation and mechanisms of resistanceare like those seen for cisplatin, and the two agents showcross-resistance. The agent is widely distributed upon IV administration but, because of its greater stability, it bindsslowly to plasma proteins, requiring 24 hours to reach 90%bound drug compared with 4 hours for cisplatin. The agent iseliminated in the urine with a terminal elimination half-lifeof 2 to 6 hours. Adverse effects include myelosuppression,which is dose limiting. Other adverse effects include renaltoxicity, nausea, vomiting, and peripheral neuropathy, butthese occur much less frequently than with cisplatin.

• Pharmaceutical Applications

  Carboplatin, cis-diammine(1,1-cyclobutanedicarboxylato)platinum(II), is a second-generation platinum drug. Its structure is based on cisplatin with the difference that the chloride ligands are exchanged for a bidentate chelating ligand. A consequence is that carboplatin is less reactive than cisplatin and therefore is less nephrotoxic and orthotoxic than the parent compound. Unfortunately, it is more myelosuppressive than cisplatin, which reduces the patients’ white blood cell count and makes them susceptible to infections. Carboplatin was licensed by the FDA in 1989 under the brand name Paraplatin and has since then gained worldwide recognition. Carboplatin on its own or in combination with other anticancer agents is used in the treatment of a variety of cancer types including head and neck, ovarian, small-cell lung, testicular cancer and others.
  Carboplatin is a pale-white solid showing good aqueous solubility. The synthesis starts with potassium tetrachloroplatinate, which is reacted to the orange [PtI₄]^2- anion.

• 생물학적 활성

  Antitumor agent that forms platinum-DNA adducts. Causes intra- and interstrand DNA crosslinks blocking DNA replication and transcription. Enhances radiation-induced single-strand DNA breakage and displays lower nephrotoxicity than analog cisplatin (cis-Diaminodichloroplatinum ).

• Mechanism of action

  Carboplatin, another square planar Pt(II) complex, forms the same cytotoxic hydrated intermediate as cisplatin but does so at a slower rate, making it a less potent chemotherapeutic agent.

• Clinical Use

  This drug induces fewer nonhematological toxicities (e.g., emesis, nephrotoxicity, and ototoxicity) compared to cisplatin, and it is approved for use only in the treatment of ovarian cancer. Unlabeled uses include combination therapy in lung, testicular, and head and neck cancers.

• 부작용

  The ultimate damage done to cells as a result of carboplatin use, however, approaches that of cisplatin. The plasma half-life of carboplatin is 3 hours, and the drug is less extensively bound to serum proteins. Excretion is predominantly renal, and doses must be reduced in patients with kidney disease. Suppression of platelets and white blood cells is the most significant toxic reaction of carboplatin use.

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