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乳癌的治疗PPT多媒体教学.ppt
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    乳癌的治疗

    中山医科大学肿瘤医院

    管忠震

    转移性乳癌(IV期)

    ? 治疗目标为姑息。全身治疗+局部治疗

    ? 5-15%化疗后有可能长期CR

    ? 局部肿瘤控制,可用手术或放疗

    ? 系统治疗的原则:

    - 年老,绝经期后,ER/PR(-),病变进展快,重要脏器受犯者:先用内分泌治疗(一线 二线三线)如无效,改用化疗

    -年青,绝经期前,ER/PR(一),病变进展快,无重要脏器侵犯者:化疗(一线二线 三线)支持治疗。

    转移性乳癌(IV期)

    ? 一线化疗:ADR based,如CAF

    二线化疗:TAXANE based,单药或联合

    三线化疗:Xeloda

    ? HER2/neu过度表达(+)者,Herceptin+ Taxol优于TAXOL alone。

    ? 骨转移者,可并用双磷酸盐类,减轻疼痛 /骨质破坏。

    常用化疗药

    Docetaxel

    ADR, Epirubiein, THP- ADR

    Paclitaxel

    NVB

    Capecitabine(Xeloda)

    常用化疗药

    CDDP

    CTX, IFOSFAMIDE

    5FU

    MTX

    MMC

    mitoxantrone

    TSPA

    VLB, VCR

    常用内分泌治疗药

    TAMOXIFEN 20mg/日 P.O.

    TOremifene(Fareston) 60mg/日P.O.

    Letrazol(Femara)2.5mg/ 日 P.O.

    Arimidex( Anastrozole)1mg/日 P.O.

    Progestin(Megace) 40mg,每日3 - 4次 P.O.

    LHRH agonist:Leuprolide 7.5mg im每月一次

    GnRH agonist :Zoladex

    Letrozole (Femara) vs. Tamoxifen (Nolvadex) as First-line Treatment of Advanced Breast Cancer

    R Smith et al, San Antonio 2000

    ? 907 postmenopausal breast cancer patients with locally advanced or metastatic breast cancer

    - 65% ER/PR positive

    - 20% prior anti-estrogen treatment

    ? Treatment: Randomized to letrozole 2.5 mg/day vs. tamoxifen 20 mg qd

    ? Results: TTPORClinical Benefit

    Letrozole41 wks30%49%

    Tamoxifen26 wks20%38%

    (p=0.0001)(p=0.001) (p=0.001)

    常用联合化疗方案

    ? CMFCTX100mg/m2 poqdd1-14

    辅助化疗用MTX40mg/m2 iv d1,d8

    淘汰趋势 5-FU600mg/m2 iv d1,d8

    ? CAFCTX 100mg/m2poqdd1-14

    一线标准ADR30mg/m2 ivd1,d8

    方案5-FU 500mg/m2ivd1,d8

    常用联合化疗方案

    二线:Taxol

    Paclitaxel135-175 mg/m2 3hrivinf d1

    每3周,或 80 mg/m2 q.wk

    预处理:Dexamethasone20mgpo-12h,-6h

    Benadryl 50mg iv-30-60min

    Cimetidine 300mg iv -30-60min或Ranitidine50mgiv -30-60min

    常用联合化疗方案

    二线:Taxotere

    Docetaxel80-100 mg/m2iv,1hr iv drip每3周 或40 mg/m2iv, 1hr inf, 每周. 可连续用

    6周,停2周,为一周期。总量可达3-4周期

    预处理:用药前1晚,用药日晨,用药后晚各口服Dexamethasone 8mg ,共3次。注苯海拉明

    50mg, iv ,-30min

    每周方案:MyelotoxicityFatique,结膜炎

    常用联合化疗方案

    一线:TA

    Doxorubicin50mg/m2 iv d1

    Docetaxel75 mg/m2 iv d1

    or Doxorubicin60mg/m2 iv d1 Docetaxel 60 mg/m2iv d1

    every 4 weeks(Dieras 1997)

    常用联合化疗方案

    一线:TAC

    Doxorubicin50mg/m2 iv d1,then

    Docetaxel75 mg/m2 iv d1

    CTX 500mg/m2ivd1

    every 4 weeks(Bozec, 1997)

    常用联合化疗方案

    一线:Taxol + Carbo ( Perez,2000)

    Paclitaxel 200 mg/m2 3hriv inf d1

    CarboplatinAUC 6

    every 3 weeks

    OR 62%

    G3/4neutropenia82%

    G3neuropathy16%

    A Multicenter Phase II Trial of Capecitabine

    (Xeloda) in Paclitaxel (Taxol)-Refractory

    Metastatic Breast Cancer

    Blum, ASCO 1998

    ? Patients: 163 paclitaxel-resistant breast cancer patients, 2-3 prior regimens

    ? Treatment: Capecitabine 2510 mg/m2/day divided bid given for 2 out of 3 weeks

    ? Toxicity: Grade 3/4 diarrhea (14%), hand-foot syndrome (10%)

    ? Response: 20% response rate (3 CRs), median duration of response 8.1 months, TTP 93 days

    A Randomized Phase II Trial of Capecitabine (Xeloda) vs. CMF as First Line Chemotherapy of Breast Cancer in Women Aged > 55 Years

    O'Shaughnessy, ASCO 1998

    ? Patients: 95 untreated stage IV breast cancer patients > 55

    ? Treatment: Capecitabine 2510 mg/m2/day divided bid 2 out of 3 weeks vs. CMF

    A Randomized Phase II Trial of Capecitabine (Xeloda) vs. CMF as First Line Chemotherapy of Breast Cancer in Women Aged > 55 Years

    O'Shaughnessy, ASCO 1998

    ? Grade 3/4 toxicity:

    -Hand-foot syndrome: Capecitabine 16%, CMF 0%

    - Diarrhea: Capecitabine 8%, CMF 3%

    - Myelosuppression: Capecitabine 20%, CMF 47%

    ? Results:

    - Response rate: Capecitabine 25%, CMF 16%

    - Median TTP: Capecitabine 132 days, CMF 94 days

    名称 发生率(%)

    I--IV度III--IV度

    手足综合征 62.8% 10%

    皮肤色素沉着 44.3% /

    腹泻 12.9% 4.3%

    贫血 30.0%/

    胆红素升高 14.3%/

    HER-2 in Breast Cancer

    Trastuzumab (Herceptin)

    ? Derived from murine 4D5 antibody

    ? 95% humanized recombinant molecule

    ? Targets ECD of HER2 growth factor receptor

    ? Anti-proliferative to HER2+ cell lines

    ? Enhances antibody dependent cellular toxicity

    ? Not immunogenic

    Trastuzumab (Herceptin) Plus Chemotherapy in Metastatic Breast Cancer

    Slamon et al, NEJM 2001

    ? 31 month follow-up

    AC+HAC T+HT

    CR8%4%8%2%

    PR48% 38%34%15%

    OR56% 42%41%17%

    Duration 9.1 mo 6.710.54.5 p<0.001

    TTP7.8 mo6.1 6.93.0 p<0.001

    Survival 26.8 mo21.4 22.118.4p=0.16

    Trastuzumab (Herceptin) Cardiotoxicity

    HAC+HAC T+HT

    Any Dysfunction 7% 28% 7%11%1%

    Class III-IV 5% 19% 3% 4% 1%

    Class III-IV 6% 0%

    after rx

    94% of pts in H-only trial had received an anthracycline......(后略) ......