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Adjuvant chemotherapy

Source: Non-Small Cell Lung Cancer Treatment (PDQ®)–Health Professional Version, National Cancer Institute.

Source updated: May 15, 2025 · Captured 2026-09-09.

Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary.

Context: Treatment of Stages IIA and IIB NSCLC / Treatment Options for Stages IIA and IIB NSCLC / Surgery with or without adjuvant or neoadjuvant therapy

The preponderance of evidence indicates that postoperative cisplatin combination chemotherapy provides a significant survival advantage to patients with resected stage II NSCLC. Preoperative chemotherapy may also provide survival benefit. The optimal sequence of surgery and chemotherapy and the benefits and risks of postoperative radiation therapy in patients with resectable NSCLC remain to be determined.

After surgery, many patients develop regional or distant metastases.[4] Several randomized controlled trials and meta-analyses have evaluated the use of postoperative chemotherapy in patients with stage I, II, and IIIA NSCLC.[5-11]

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Evidence (adjuvant chemotherapy):

Data on individual patient outcomes were collected and pooled into a meta-analysis from the five largest trials (4,584 patients) of cisplatin-based chemotherapy in patients with completely resected NSCLC that were conducted after 1995.[7]

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Data on individual patient outcomes were collected and pooled into a meta-analysis from the five largest trials (4,584 patients) of cisplatin-based chemotherapy in patients with completely resected NSCLC that were conducted after 1995.[7]

With a median follow-up time of 5.2 years, the overall HRdeath was 0.89 (95% CI, 0.82–0.96; P = .005), corresponding to a 5-year absolute benefit of 5.4% from chemotherapy.

Data on individual patient outcomes were collected and pooled into a meta-analysis from the five largest trials (4,584 patients) of cisplatin-based chemotherapy in patients with completely resected NSCLC that were conducted after 1995.[7]

The benefit varied with stage (test for trend, P = .04; HR for stage IA, 1.40; 95% CI, 0.95–2.06; HR for stage IB, 0.93; 95% CI, 0.78–1.10; HR for stage II, 0.83; 95% CI, 0.73–0.95; and HR for stage III, 0.83; 95% CI, 0.72–0.94).

Data on individual patient outcomes were collected and pooled into a meta-analysis from the five largest trials (4,584 patients) of cisplatin-based chemotherapy in patients with completely resected NSCLC that were conducted after 1995.[7]

The effect of chemotherapy did not vary significantly (test for interaction, P = .11) with the associated drugs, including vinorelbine (HR, 0.80; 95% CI, 0.70–0.91), etoposide or vinca alkaloid (HR, 0.92; 95% CI, 0.80–1.07), or other drugs (HR, 0.97; 95% CI, 0.84–1.13).

Data on individual patient outcomes were collected and pooled into a meta-analysis from the five largest trials (4,584 patients) of cisplatin-based chemotherapy in patients with completely resected NSCLC that were conducted after 1995.[7]

The greater effect on survival observed with the doublet of cisplatin plus vinorelbine compared with other regimens should be interpreted cautiously as the total dose of cisplatin received was significantly higher in patients treated with vinorelbine.

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine.

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The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine.

Superior OS for the trial population and patients with stage II disease was reported for the Lung Adjuvant Cisplatin Evaluation (LACE) pooled analysis (pooled HR, 0.83; 95% CI, 0.73–0.95); the Adjuvant Navelbine International Trialist Association (ANITA) trial (HR, 0.71; 95% CI, 0.49–1.03); and the National Cancer Institute of Canada Clinical Trials Group JBR.10 trial (HR, 0.59; 95% CI, 0.42–0.85).

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine.

Chemotherapy effect was higher in patients with better performance status.

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine.

There was no interaction between chemotherapy effect and any of the following:

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine. › There was no interaction between chemotherapy effect and any of the following:

Sex.

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine. › There was no interaction between chemotherapy effect and any of the following:

Age.

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine. › There was no interaction between chemotherapy effect and any of the following:

Histology.

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine. › There was no interaction between chemotherapy effect and any of the following:

Type of surgery.

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine. › There was no interaction between chemotherapy effect and any of the following:

Planned radiation therapy.

The meta-analysis [7] and the individual studies [5,12] support the administration of postoperative cisplatin-based chemotherapy in combination with vinorelbine. › There was no interaction between chemotherapy effect and any of the following:

Planned total dose of cisplatin.

In a retrospective analysis of a phase III trial of postoperative cisplatin and vinorelbine, patients older than 65 years were found to benefit from treatment.[13]

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In a retrospective analysis of a phase III trial of postoperative cisplatin and vinorelbine, patients older than 65 years were found to benefit from treatment.[13]

Chemotherapy significantly prolonged OS for patients older than 65 years (HR, 0.61; 95% CI, 0.38–0.98; P = .04).

In a retrospective analysis of a phase III trial of postoperative cisplatin and vinorelbine, patients older than 65 years were found to benefit from treatment.[13]

There were no significant differences in toxic effects, hospitalization, or treatment-related death by age group, although patients older than 65 years received less treatment.[13]

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Several other randomized controlled trials and meta-analyses have evaluated the use of postoperative chemotherapy in patients with stages I, II, and IIIA NSCLC.[5-11]

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Based on these data, patients with completely resected stage II lung cancer may benefit from postoperative cisplatin-based chemotherapy.[13][Level of evidence A1]

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