摘要
在中英文数据库中检索阿贝西利、哌柏西利、瑞波西利、达尔西利治疗晚期或转移性乳腺癌的临床研究,检索时间截至2023年6月12日。使用ADDIS软件进行网状Meta分析,探索阿贝西利、哌柏西利、瑞波西利、达尔西利联合内分泌治疗之间的安全性差异,并对该类药物的血液毒性进行对比分析。
共纳入14项研究,共5种干预措施,6 513例患者。对严重不良事件(SAE)进行分析,SAE发生率从高到低依次为阿贝西利+内分泌治疗、瑞波西利+内分泌治疗、达尔西利+内分泌治疗、哌柏西利+内分泌治疗、内分泌治疗。血液学毒性方面,中性粒细胞减少发生率从高到低依次为达尔西利+内分泌治疗、哌柏西利+内分泌治疗、瑞波西利+内分泌治疗、阿贝西利+内分泌治疗、内分泌治疗;白细胞减少发生率从高到低依次为达尔西利+内分泌治疗、哌柏西利+内分泌治疗、阿贝西利+内分泌治疗、瑞波西利+内分泌治疗、内分泌治疗;贫血发生率从高到低依次为达尔西利+内分泌治疗、阿贝西利+内分泌治疗、哌柏西利+内分泌治疗、瑞波西利+内分泌治疗、内分泌治疗;血小板减少发生率从高到低依次为哌柏西利+内分泌治疗、达尔西利+内分泌治疗、阿贝西利+内分泌治疗、瑞波西利+内分泌治疗、内分泌治疗。
2024年世界卫生组织发布的最新数据显示,乳腺癌是女性群体中发病率、死亡率第一的癌症,严重危及女性身心健
(1)严重不良事件(serious adverse events, SAE):根据药物临床试验质量管理规
检索PubMed、Web of Science、Embase、Cochrane Library、中国知网、万方数据,并人工检索相关会议,收集有关CDK4/6抑制剂安全性相关临床研究,检索时间截至2023年6月12日。中文检索词为“阿贝西利”“哌柏西利”“瑞波西利”“达尔西利”“细胞周期依赖性激酶”“乳腺肿瘤”“晚期/转移性乳腺癌”“唯择”“爱博新”“凯丽隆”“艾瑞康”“PD-0332991”“PD-0205606”“LEE-011”“LY-2835219”“SHR-6390”“内分泌治疗”“随机”,英文数据库检索策略见

图1 PubMed检索策略
Fig. 1 PubMed retrieval strategy
使用Endnote软件,由2名研究人员独立按照纳入标准和排除标准对文献进行筛选,如果遇到分歧,2人先行讨论,若无法达成一致,则交由第3位研究人员决定。从筛选后的文献中提取相关信息:(1)基线数据,包括研究名称、发表年份、第一作者、临床试验分期、样本量、干预措施、结局指标;(2)结局数据,包括各组发生SAE的例数及中性粒细胞、白细胞、贫血、血小板减少例数。
利用Cochran
经检索,共获得2 712篇文献,使用Endnote软件进行筛选,筛除重复文献376篇;通过阅读文章标题和摘要进一步剔除不相关内容、回顾性研究、综述等文献,共得到124篇;阅读全文信息后,得到符合纳入和排除标准的文献/研究14篇(

图2 文献筛选流程图
Fig. 2 Flow chart of document screening
在一致性模型下,PSRF值均接近1.00,说明各研究间收敛性良好,SAE、中性粒细胞减少、白细胞减少、贫血和血小板减少的发生率均稳定收敛。由于4种CDK4/6抑制剂之间未进行头对头比较,未能形成闭环,故未进行节点分析。采用一致性模型进行比较,并使用固定效应模型进行分析,计算各个干预措施之间的合并比值比(odds ratio, OR)和95%可信区间(confidence interval, CI)。由于本研究的结局指标为二分类变量,因此无效线为1。若95% CI不包含1,则说明干预措施之间的差异具有统计学意义。本研究共纳入14篇文
参考文献 | 试验名称 | 入组例数 | 干预措施 | 结局指标 | ||
---|---|---|---|---|---|---|
试验组 | 对照组 | 试验组 | 对照组 | |||
Finn,201 | PALOMA-1 | 84 | 81 | 哌柏西利+来曲唑 | 来曲唑 | ①②③④⑤ |
Finn,201 | PALOMA-2 | 444 | 222 | 哌柏西利+来曲唑 | 安慰剂+来曲唑 | ①②③④⑤ |
Cristofanilli,201 | PALOMA-3 | 347 | 174 | 哌柏西利+氟维司群 | 安慰剂+氟维司群 | ①②③④⑤ |
Xu,202 | PALOMA-4 | 169 | 171 | 哌柏西利+来曲唑 | 安慰剂+来曲唑 | ①②③④⑤ |
Kogawa,202 | PATHWAY | 91 | 93 | 哌柏西利+他莫昔芬 | 安慰剂+他莫昔芬 | ②③④⑤ |
Albanell,202 | FLIPPER | 94 | 95 | 哌柏西利+氟维司群 | 安慰剂+氟维司群 | ①②③④⑤ |
Hortobagyi,201 | MONALEESA-2 | 334 | 334 | 瑞波西利+来曲唑 | 安慰剂+来曲唑 | ①②③④ |
Slamon,201 | MONALEESA-3 | 484 | 242 | 瑞波西利+氟维司群 | 安慰剂+氟维司群 | ①②③④ |
Tripathy,201 | MONALEESA-7 | 335 | 337 | 瑞波西利+他莫昔芬/阿那曲唑/来曲唑+戈舍瑞林 | 安慰剂+他莫昔芬/阿那曲唑/来曲唑+戈舍瑞林 | ①②③④⑤ |
Sledge,201 | MONARCH-2 | 446 | 223 | 阿贝西利+氟维司群 | 安慰剂+氟维司群 | ①②③④⑤ |
Goetz,201 | MONARCH-3 | 328 | 165 | 阿贝西利+阿那曲唑/来曲唑 | 安慰剂+阿那曲唑/来曲唑 | ①②③④ |
Zhang,202 | MONARCHplus | 207 | 99 | 阿贝西利+阿那曲唑/来曲唑 | 阿那曲唑/来曲唑 | ①②③④⑤ |
104 | 53 | 阿贝西利+氟维司群 | 氟维司群 | |||
Xu,202 | DAWNA-1 | 241 | 120 | 达尔西利+氟维司群 | 安慰剂+氟维司群 | ①②③④⑤ |
Zhang,202 | DAWNA-2 | 303 | 153 | 达尔西利+阿那曲唑/来曲唑 | 安慰剂+阿那曲唑/来曲唑 | ①②③④⑤ |
注: ①严重不良事件;②中性粒细胞减少;③白细胞减少;④贫血;⑤血小板减少。
Note: ① Serious adverse events; ② Neutropenia; ③ Leukopenia; ④ Anemia; ⑤ Thrombocytopenia.
纳入的14项研究均为随机、对照、双盲试验。其中,7

图3 纳入文献偏倚风险比例图
Fig. 3 Proportion chart of risk bias of included literature

图4 纳入文献方法学质量评价图
Fig. 4 Methodology quality evaluation chart of inclusion literature

图5 干预措施网状关系图
Fig. 5 The intervention network diagram
注: 框内为干预措施,线上数字表示进行直接比较的研究数量。①SAE;②中性粒细胞减少;③白细胞减少;④贫血;⑤血小板减少。
Note: The intervention measures were in the box, and the online figures indicated the number of studies for direct comparison. ① SAE; ② Neutropenia; ③ Leukopenia; ④ Anemia; ⑤ Thrombocytopenia.
使用一致性模型对SAE结局进行网状Meta分析,阿贝西利+内分泌治疗和瑞波西利+内分泌治疗的SAE发生率高于单纯内分泌治疗,差异有统计学意义(P<0.05)(
干预措施 | OR (95% CI) | |||
---|---|---|---|---|
abemaciclib+ET | dalpiciclib+ET | palbociclib+ET | ribociclib+ET | |
dalpiciclib+ET | 1.55 (0.54, 3.83) | |||
palbociclib+ET | 1.66 (0.77, 3.08) | 1.07 (0.41, 2.88) | ||
ribociclib+ET | 1.26 (0.62, 2.48) | 0.83 (0.33, 2.26) | 0.75 (0.42, 1.52) | |
ET |
2.40 (1.42, 3.92 | 1.56 (0.72, 3.81) | 1.44 (0.96, 2.39) |
1.90 (1.18, 3.03 |
注: *代表差异有统计学意义。
Note: * represents the difference with statistical significance.

图6 各干预措施的SAE发生率比较
Fig. 6 Sorting diagram of SAE occurrence probability
对中性粒细胞减少结局进行网状Meta分析,中性粒细胞减少发生率从高到低依次为达尔西利+内分泌治疗、哌柏西利+内分泌治疗、瑞波西利+内分泌治疗、阿贝西利+内分泌治疗、内分泌治疗,组间两两比较,差异均有统计学意义(P<0.05)(
干预措施 | OR (95% CI) | |||
---|---|---|---|---|
abemaciclib+ET | dalpiciclib+ET | palbociclib+ET | ribociclib+ET | |
dalpiciclib+ET |
0.04 (0.01, 0.15 | |||
palbociclib+ET |
0.16 (0.06, 0.44 |
4.18 (1.13, 15.53 | ||
ribociclib+ET | 0.38 (0.13, 1.10) |
9.64 (2.59, 37.73 | 2.28 (0.92, 6.06) | |
ET |
21.80 (10.89, 48.85 |
553.55 (188.45, 1 868.20 |
131.60 (75.91, 252.70 |
57.93 (28.81, 124.54 |
注: *代表差异有统计学意义。
Note: * represents the difference with statistical significance.

图7 中性粒细胞减少发生率比较
Fig. 7 Sorting diagram of neutropenia occurrence probability
对白细胞减少结局进行网状Meta分析,白细胞减少发生率从高到低依次为达尔西利+内分泌治疗、哌柏西利+内分泌治疗、阿贝西利+内分泌治疗、瑞波西利+内分泌治疗、内分泌治疗,组间两两比较,差异均有统计学意义(P<0.05)(
干预措施 | OR (95% CI) | |||
---|---|---|---|---|
abemaciclib+ET | dalpiciclib+ET | palbociclib+ET | ribociclib+ET | |
dalpiciclib+ET |
0.03 (0.01, 0.09 | |||
palbociclib+ET |
0.38 (0.20, 0.76 |
11.73 (4.61, 30.01 | ||
ribociclib+ET | 1.17 (0.58, 2.23) |
34.99 (13.30, 99.65 |
3.05 (1.50, 5.65 | |
ET |
12.56 (7.71, 21.04 |
374.26 (168.61, 944.80 |
32.67 (21.18, 51.57 |
10.68 (7.00, 18.44 |
注: *代表差异有统计学意义。
Note: * represents the difference with statistical significance.

图8 白细胞减少发生率比较
Fig. 8 Sorting diagram of leukopenia occurrence probability
对贫血结局进行网状Meta分析,贫血发生率从高到低依次为达尔西利+内分泌治疗、阿贝西利+内分泌治疗、哌柏西利+内分泌治疗、瑞波西利+内分泌治疗、内分泌治疗,组间两两比较,差异均有统计学意义(P<0.05)(
干预措施 | OR (95% CI) | |||
---|---|---|---|---|
abemaciclib+ET | dalpiciclib+ET | palbociclib+ET | ribociclib+ET | |
dalpiciclib+ET | 0.56 (0.22, 1.51) | |||
palbociclib+ET |
1.59 (0.73, 3.27 |
2.86 (1.15, 6.70 | ||
ribociclib+ET |
2.66 (1.16, 6.23 |
4.78 (1.82, 12.28 | 1.67 (0.84, 3.57) | |
ET |
8.89 (4.86, 16.58 |
16.02 (7.61, 33.44 |
5.60 (3.70, 9.08 |
3.35 (1.86, 5.98 |
注: *代表差异有统计学意义。
Note: * represents the difference with statistical significance.

图9 贫血发生率比较
Fig. 9 Comparison of anemia occurrence probability
对血小板减少结局进行网状Meta分析,血小板减少发生率从高到低依次为哌柏西利+内分泌治疗、达尔西利+内分泌治疗、阿贝西利+内分泌治疗、瑞波西利+内分泌治疗、内分泌治疗,组间两两比较,差异均有统计学意义(P<0.05)(
干预措施 | OR (95% CI) | |||
---|---|---|---|---|
abemaciclib+ET | dalpiciclib+ET | palbociclib+ET | ribociclib+ET | |
dalpiciclib+ET | 0.60 (0.13, 2.80) | |||
palbociclib+ET | 0.51 (0.12, 1.81) | 0.86 (0.20, 2.90) | ||
ribociclib+ET | 2.04 (0.25, 15.40) | 3.37 (0.44, 24.91) | 4.01 (0.67, 27.80) | |
ET |
8.11 (2.62, 25.61 |
13.49 (4.64, 41.10 |
15.90 (8.26, 38.04 | 4.00 (0.77, 23.08) |
注: *代表差异有统计学意义。
Note: * represents the difference with statistical significance.

图10 血小板减少发生率比较
Fig. 10 Comparison of thrombocytopenia occurrence probability
以每个指标的效应量作为横坐标,效应量的均数差作为纵坐标,绘制比较-校正漏斗图,圆点表示直接比较结果,同一颜色圆点的个数表示研究中两两比较的个数。以SAE、血小板减少为结局指标的漏斗图分布基本对称,提示发表偏倚的可能性较小。然而,以中性粒细胞减少、白细胞减少、贫血为结局指标的漏斗图左右分布不对称,提示存在一定的发表偏倚和小样本效应(

图11 各结局指标的比较-校正漏斗图
Fig. 11 Comparison-correction funnel chart of various outcome indicators
注: (A) ET;(B)哌柏西利+内分泌治疗;(C)瑞波西利+内分泌治疗;(D)阿贝西利+内分泌治疗;(E)达尔西利+内分泌治疗。①SAE;②中性粒细胞减少;③白细胞减少;④贫血;⑤血小板减少。
Note: (A) ET; (B) Palbociclib+ET; (C)Ribociclib+ET; (D) Abemaciclib+ET; (E) Dalpiciclib+ET. ① SAE; ② Neutropenia; ③ Leukopenia; ④ Anemia; ⑤ Thrombocytopenia.
CDK4/6抑制剂能靶向雌激素通路中的多个关键节点,还可与内分泌治疗协调增效,联合内分泌药物包括阻止雄激素转化为雌激素的芳香化酶抑制剂、雌激素受体下调剂氟维司群和阻断雌激素与其受体结合的药物他莫昔芬等。CDK4/6抑制剂联合内分泌治疗在晚期或转移性HR+/HER2-乳腺癌中的临床应用日趋成熟,疗效显
MONARCH plus研究显
近年来,乳腺癌的发生率激增并趋于年轻化,内分泌治疗联合CDK4/6抑制剂已广泛应用于HR+/HER2-晚期或转移性乳腺癌。然而,由于4种CDK4/6抑制剂之间尚无直接比较研究,其临床治疗的侧重点和差异较为模糊,无法为患者提供更精确的个体化治疗。为保证更为安全、合理和个性化的临床用药,本文对这类药物的安全性进行了评估和比较。根据目前RCT的间接比较结果,使用CDK4/6抑制剂治疗晚期或转移性乳腺癌时,阿贝西利的SAE发生率最高,而达尔西利的血液毒性更强。因此,临床用药过程中应密切监测这些药物的副作用。临床医生和药师应针对性使用CDK4/6抑制剂,并及时对患者的不良反应做出积极、有效的应对,以求最大限度提高药物疗效、降低用药风险。
本研究存在以下局限性:(1)干预措施之间缺乏头对头直接比较,结局指标缺少闭环,导致不同CDK4/6抑制剂之间的间接比较存在一定的不确定性;(2)部分研究未进行适宜的随机化及盲法处理,可能导致结果存在偏倚,影响结论的可靠性;(3)因纳入文献量较少,未进行进一步亚组分析,导致无法细化分析药物在不同患者人群中的差异,限制了结果的全面性和应用价值。
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