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First line treatment of advanced non-small-cell lung cancer - specific focus on albumin bound paclitaxel.

ABSTRACT: Lung cancer is the leading cause of cancer mortality worldwide in both men and women. Non-small-cell lung cancer (NSCLC) is the most common type of lung cancer, accounting for more than 80% of cases. Paclitaxel has a broad spectrum of activity against various malignancies, including NSCLC. Paclitaxel is poorly soluble in water and thus, until recently, its commercially available preparations contained a non-ionic solvent Cremophor EL®. Cremophor EL® improves the solubility of paclitaxel and allows its intravenous administration. However, certain side-effects associated with paclitaxel, such as hypersensitivity reactions, myelosuppression, and peripheral neuropathy, are known to be worsened by Cremophor®. Nanoparticle albumin-bound paclitaxel ([nab-paclitaxel] ABRAXANE® ABI-007) is a new generation formulation of paclitaxel that obviates the need for Cremophor®, resulting in a safer and faster infusion without requiring the use of premedications to avoid hypersensitivity. Albumin-binding receptor-mediated delivery and lack of sequestering Cremophor® micelles allow higher intratumoral concentration of pharmacologically active paclitaxel. Multiple clinical trials have demonstrated a superior tolerability profile of nab-paclitaxel in comparison to solvent-bound paclitaxel (sb-paclitaxel). A recent Phase III trial compared the effects of weekly nab-paclitaxel in combination with carboplatin versus sb-paclitaxel in combination with carboplatin given every 3 weeks for first line treatment of NSCLC. This trial highlights the weekly nab-paclitaxel combination as an alternate treatment option for NSCLC, with higher response rate in squamous cell NSCLC and longer survival in elderly patients. This review will focus on the properties of nab-paclitaxel and its use in the first line treatment of NSCLC.

SUBMITTER: Gupta N

PROVIDER: S-EPMC3875520 | biostudies-other | 2014

REPOSITORIES: biostudies-other

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First line treatment of advanced non-small-cell lung cancer - specific focus on albumin bound paclitaxel.

Gupta Neha N Hatoum Hassan H Dy Grace K GK

International journal of nanomedicine 20131224

Lung cancer is the leading cause of cancer mortality worldwide in both men and women. Non-small-cell lung cancer (NSCLC) is the most common type of lung cancer, accounting for more than 80% of cases. Paclitaxel has a broad spectrum of activity against various malignancies, including NSCLC. Paclitaxel is poorly soluble in water and thus, until recently, its commercially available preparations contained a non-ionic solvent Cremophor EL®. Cremophor EL® improves the solubility of paclitaxel and allo ...[more]

PMID: 24399877

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Project description:PurposeThis study aimed to assess the effect of nanoparticle albumin-bound paclitaxel (nab-PTX) chemotherapy regimens in elderly patients (≥70 years old) with advanced squamous non-small-cell lung cancer (NSCLC).Patients and methodsThe clinical records of elderly patients aged ≥70 years with advanced squamous NSCLC were reviewed retrospectively. All of these patients received nab-PTX, with or without combination of chemotherapy in Shandong Cancer Hospital and Institute between 1 July 2012 and 30 June 2017. We analyzed the toxicity profiles, progression-free survival (PFS), overall survival (OS), objective response rate (ORR), and disease control rate (DCR).ResultsTotally, 52 elderly patients with squamous NSCLC were included in the analysis. For all patients, the ORR was 34.6%, the DCR was 80.8%, median PFS was 5.9 months (95% confidence interval [CI]: 4.0-7.8 months), and median OS was 14.3 months (95% CI: 11.0-17.8 months). Combination with chemotherapy significantly prolonged OS (19.3 vs 11.2 months, P = .016), despite a nonsignificant improvement in PFS (7.1 vs 4.2 months, P = .060) vs monotherapy. For patients who received nab-PTX as first-line treatment, the median PFS and OS were 6.7 months and 17.2 months, respectively, and the median OS in combination therapy subgroup was significantly higher than that in monotherapy group (20.3 vs 11.2 months, P = .013). Meanwhile, the median PFS and OS of patients with nab-PTX as second- or later-line treatment were 4.4 months and 13.3 months, respectively, but no survival benefit was achieved by the combination chemotherapy when compared with single-agent chemotherapy. Hematologic toxicities were the most common adverse events (AEs), which include grade 3 or 4 neutropenia (13.7%), thrombocytopenia (4.1%), and anemia (6.8%). The main nonhematologic toxicities were peripheral sensory neuropathy (39.7%), followed by anorexia and nausea/vomiting.ConclusionIn elderly advanced squamous NSCLC patients, the treatment of nab-PTX was effective and well tolerated.

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First line treatment of advanced non-small-cell lung cancer - specific focus on albumin bound paclitaxel.

Publications

First line treatment of advanced non-small-cell lung cancer - specific focus on albumin bound paclitaxel.

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