What is Gemzar (Gemcitabine)?

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Last updated: May 8, 2025View editorial policy

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From the Guidelines

Gemtasa is not a recognized medication in standard medical formularies or pharmacopeia, and it is possible that the inquiry is actually about Gemcitabine, a medication used in the treatment of pancreatic cancer. If you're looking for information about a medication, it's possible there may be a spelling error or it could be a brand name used in specific regions that isn't widely recognized. Without additional context, I cannot provide specific dosing, regimens, or indications for "Gemtasa." However, based on the provided evidence, Gemcitabine is a recommended treatment option for patients with metastatic or locally advanced pancreatic cancer, particularly when combined with other agents such as cisplatin, capecitabine, or as part of the FOLFIRINOX regimen 1.

Key Points to Consider

  • The combination of Gemcitabine with cisplatin may be beneficial for patients with known BRCA1/2 or PALB2 mutations 1.
  • Fixed-dose rate (FDR) Gemcitabine is a reasonable alternative to standard Gemcitabine infusion, with some studies suggesting improved survival outcomes 1.
  • The combination of Gemcitabine with capecitabine has shown improved progression-free survival and objective response rates, although overall survival benefits are still being investigated 1.

Recommendations for Patients with Pancreatic Cancer

  • Consult with a healthcare provider to determine the best course of treatment based on individual medical history and current condition.
  • Consider genetic testing to identify potential BRCA1/2 or PALB2 mutations, which may influence treatment decisions 1.
  • Discuss the potential benefits and risks of different treatment regimens, including Gemcitabine-based combinations, with a healthcare professional.

From the FDA Drug Label

The FDA drug label does not answer the question.

From the Research

Gemtasa Overview

  • Gemtasa, also known as gemcitabine, is a nucleoside analogue with activity in non-small-cell lung cancer (NSCLC) 2
  • It has a unique mechanism of action and has been shown to be effective in treating various types of cancer, including pancreatic, breast, bladder, and ovarian cancers 3

Efficacy in Non-Small Cell Lung Cancer

  • Gemcitabine has been shown to have an objective tumor regression rate of approximately 20% when used as a single agent in both chemotherapeutically pretreated and chemotherapy-naive patients 4
  • It has also been shown to be effective in combination with other drugs, such as cisplatin, with response rates ranging from 26 to 54% 5
  • The combination of gemcitabine and cisplatin has been shown to be a valuable treatment option for patients with advanced NSCLC, with a lower cost per tumor response compared to other chemotherapy options 5

Safety and Tolerability

  • Gemcitabine has been shown to be well tolerated, with myelosuppression as the major dose-limiting toxicity 3
  • It has also been shown to be safe and effective in elderly patients, with a reasonable therapeutic option for second-line treatment in patients who had a previous response or who achieved stable disease with a platinum-containing regimen 6
  • The combination of gemcitabine and cisplatin has been shown to have an acceptable tolerability profile, with a lower cost per tumor response compared to other chemotherapy options 5

Clinical Benefits

  • Gemcitabine has been shown to improve symptoms and quality of life in patients with NSCLC, with improvements in performance status, pain, and weight gain 3, 5
  • It has also been shown to be cost effective compared to best supportive care for NSCLC, with direct costs associated with administration of gemcitabine monotherapy lower than those for some other NSCLC chemotherapy options 5

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Gemcitabine in the treatment of non-small-cell lung cancer.

Annals of oncology : official journal of the European Society for Medical Oncology, 1995

Research

Gemcitabine (Gemzar) in non-small cell lung cancer.

Expert review of anticancer therapy, 2004

Research

Gemcitabine in non-small cell lung cancer.

Expert opinion on pharmacotherapy, 2002

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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