In the United States, an estimated 178,000 new cases of lung cancer
will occur in 1997, accounting for 13% of cancer diagnoses and 29% of all
cancer deaths. The majority of these deaths will be due to metastatic
non-small-cell lung cancer. Cisplatin (Platinol), vindesine (Eldisine),
vinblastine, ifosfamide (Ifex), and mitomycin (Mutamycin) demonstrate response
rates of 15% or higher in previously untreated patients (Table
1). All of these drugs were identified in the 1970s and 1980s. None
showed reproducible response rates greater than 25% when given as single
Combining these drugs can improve response rates to 25% to 45% in chemotherapy-naive
patients with advanced non-small-cell lung cancer. Using these cisplatin-based
combination regimens, median survival doubled compared to that of similar
patients receiving only supportive care.
When first-line, single-agent chemotherapy fails, retreatment with the
same agent is unlikely to be successful. Combination regimens are generally
preferred. However, response rates in this situation have been disappointing,
generally not exceeding 10%, with median survival less than 6 months.
Since 1990, several important new drugs in the treatment of non-small-cell
lung cancer have emerged (Table 1). This
supplement reviews the latest data on docetaxel (Taxotere) for use in patients
with advanced non-small-cell lung cancer. Frank V. Fossella, MD, addresses
the use of docetaxel in patients with advanced non-small-cell lung cancer
and disease progression following treatment with cisplatin or carboplatin.
Data from four phase II studies suggest that 100 mg/m² of docetaxel,
administered over 1 hour, once every 3 weeks, provides benefits that are
greater than those seen so far with other newer agents in this setting.
Major responses with other newer agents have been in the range of 0% to
10%. For docetaxel, response rates have ranged from 14% to 22%, and the
median survival from 7 to 10 months.
The second article, by James R. Rigas, MD, discusses data from a number
of phase II trials that show the efficacy of single-agent docetaxel in
previously untreated patients with non-small-cell lung cancer. In this
setting, 100 mg/m² of docetaxel administered over 1 hour, once every
3 weeks, produces major response rates in 27% of patients and a median
survival of 9 months, with a 1-year survival rate of 34%.
The use of docetaxel with concomitant chest radiotherapy in patients
with Stage IIIA and IIIB non-small-cell lung cancer is presented by Everett
E. Vokes, MD, and colleagues. This article discusses preliminary data from
an ongoing phase I trial designed to determine the maximum tolerated and
optimal doses of docetaxel when administered with chest radiotherapy.
Combinations of docetaxel with cisplatin (Platinol), carboplatin (Paraplatin),
and vinorelbine (Navelbine) are the topics of the next three articles.
Richard J. Gralla, MD, offers preliminary results of ongoing phase I-II
studies showing that the combination of docetaxel, 75 mg/m², and cisplatin,
75 mg/m², (or docetaxel, 65 mg/m², and cisplatin, 100 mg/m²)
in previously untreated patients with non-small-cell lung cancer produces
favorable response rates, with median survival of 9 to 11 months.
In the next article, Chandra P. Belani, MD, provides an update on the
progress made with trials of docetaxel and carboplatin. The concluding
feature by Jeffrey Crawford, MD, discusses the results of recent phase
I and II trials of the promising combination of two newer chemotherapeutic
agents, docetaxel and vinorelbine. This article describes three phase II
trials investigating 75 or 100 mg/m² of docetaxel, followed by 20
or 22 mg/m² of vinorelbine, both administered by intravenous infusion
over 1 hour, once every 3 weeks, which yielded response rates ranging from
23% to 55%.
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