Sargramostim

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Sargramostim
Names
Trade namesLeukine
  • Human granulocyte macrophage colony stimulating factor
Clinical data
Drug classGranulocyte macrophage colony-stimulating factor (GM-CSF)[1]
Main usesLow white blood cells[1]
Side effectsFever, headache, nausea, muscle pains[1]
External links
AHFS/Drugs.comMonograph
US NLMSargramostim
MedlinePlusa693005
Legal
Legal status
  • In general: ℞ (Prescription only)
Chemical and physical data
FormulaC639H1006N168O196S8
Molar mass14434.54 g·mol−1
 ☒NcheckY (what is this?)  (verify)

Sargramostim, sold under the brand name Leukine, is a medication used to increase white blood cells in people with low levels or before leukapheresis.[1] It is given by injection into a vein or under the skin.[1]

Common side effects include fever, headache, nausea, and muscle pains.[1] Other possible side effects include worsening cancer, anaphylaxis, shortness of breath, and swelling.[1] It is a recombinant granulocyte macrophage colony-stimulating factor (GM-CSF).[1]

Sargramostim was approved for medical use in the United States in 1991.[1] In the United States 1,750 mcg costs about 2,000 USD as of 2021.[2] It is made from specifically engineered yeast of the Saccharomyces cerevisiae type.[1]

Medical uses

Sargramostim is primarily used for myeloid reconstitution after autologous or allogeneic bone marrow transplantation. It is also used to treat neutropenia induced by chemotherapy during the treatment of acute myeloid leukemia. It also used as a medical countermeasure for treating people who have been exposed to sufficient radiation to suppress bone marrow myelogenesis.[3]

Dosage

It is given at a dose of 15–500 mcg/m2.[1]

It is administered via intravenous infusion.[3]

Contraindications

Sargramostim should not be used in people with known hypersensitivity to GM-CSF, yeast-derived products or any component of the product and for concomitant use with chemotherapy and radiotherapy.[3]

There is a formulation with benzyl alcohol, which is toxic to babies; other formulations should be used. Sargramostim has not been tested in pregnant women but appears to be toxic to fetuses. There is no data as to whether sargramostim is expressed in breast milk.[3]

Side effects

Some people have experienced anaphylaxis when given the drug; and infusion reactions have occurred as well, including edema, capillary leak syndrome, a build up of fluid around the lungs and around the heart.[3] Irregular heart rhythms have occurred, especially in people with a history of that problem. It suppresses some white blood cells, and may promote tumor growth.[3]

Pharmacology

Sargramostim is a version of GM-CSF, which has a normal role in human biology, causing progenitor cells to differentiate into neutrophils, monocytes, macrophages, and, myeloid-derived dendritic cells; it can also activate mature granulocytes and macrophages, and can contribute to the differentiation of megakaryocytic progenitors and erythroid progenitor cells.[3]

Chemistry

Sargramostim is a recombinant version of GM-CSF, which is a glycoprotein made of 127 amino acids; sargramostim is mixture of three versions of GM-CSF that have molecular weights of 19,500, 16,800 and 15,500 Daltons. It is manufactured in yeast.[3]

History

The sequence of human GM-CSF was first identified in 1985 and soon three recominbant human GM-CSFs were produced, one in bacteria, one in mammalian cells, and one in yeast;[4] Immunex developed GM-CSF manufactured in yeast into Leukine.[5] Clinical trials of sargramostim were initiated in 1987;[6] in that same year it was administered to six people as part of a compassionate-use protocol for the victims of cesium irradiation from the Goiânia accident.[7]

It was approved by the FDA in March 1991 under the trade name Leukine for acceleration of white blood cell recovery following autologous bone marrow transplantation in patients with non-Hodgkin's lymphoma, acute lymphocytic leukemia, or Hodgkin's disease.[8] In November 1996, the FDA also approved sargramostim for treatment of fungal infections and replenishment of white blood cells following chemotherapy.[9] A liquid formulation was approved in 1995.[5] Immunex was acquired by Amgen in 2002.[6] As part of the acquisition, Leukine was spun off to Berlex, which became Bayer HealthCare in 2007.[5]

In January 2008, Bayer informed healthcare professionals of the market withdrawal of the current liquid formulation of sargramostim. The liquid formulation was withdrawn because of an upward trend in spontaneous reports of adverse reactions, including syncope (fainting), which are temporally correlated with a change that was made to the formulation around April 2007 to include edetate disodium (EDTA).[5] The upward trend in adverse reaction reporting rates had not been observed with the use of lyophilized sargramostim.[10] The original liquid formulation without EDTA was returned to the market in the US in May 2008.[11]

In 2009, Genzyme acquired the rights to Leukine from Bayer, including the manufacturing facility in the Seattle area.[6][12][13]

In March 2018 the label was extended to use as a countermeasure for acute radiation syndrome.[14]

References

  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 "Sargramostim Monograph for Professionals". Drugs.com. Retrieved 10 October 2021.
  2. "Sargramostim Prices, Coupons & Savings Tips - GoodRx". GoodRx. Retrieved 10 October 2021.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 "US Sargramostim label" (PDF). FDA. March 2018. Retrieved 30 March 2018. For label updates see FDA index page for BLA 103362
  4. Armitage JO (December 1998). "Emerging applications of recombinant human granulocyte-macrophage colony-stimulating factor". Blood. 92 (12): 4491–508. doi:10.1182/blood.V92.12.4491. PMID 9845514.
  5. 5.0 5.1 5.2 5.3 Staff (May 2008). "Back to the Future: Original Liquid Leukine® Coming Soon" (PDF). Oncology Business Review. Archived from the original (PDF) on 25 August 2016.
  6. 6.0 6.1 6.2 "Immunex Corporation". Company Histories & Profiles. FundingUniverse.com. Retrieved 12 November 2011.
  7. Schmeck HM (1987-11-02). "Radiation Team Sent to Brazil Saves Two With a New Drug". New York Times. Retrieved 2012-06-20.
  8. "Approval Summary for sargramostim". Oncology Tools. U.S. Food and Drug Administration, Center for Drug Evaluation and Research. 1991-03-05. Archived from the original on 2007-06-24. Retrieved 20 September 2009.
  9. "Newly Approved Drug Therapies (179): Leukine (sargramostim), Immunex". CenterWatch. Retrieved 2008-10-12.
  10. "MedWatch Safety Alerts for Human Medical Products" (PDF). Fda.gov. 2008-11-06. Retrieved 2012-07-07.
  11. Chi, Judy (May 21, 2008). "Bayer launches Leukine without EDTA". Drug Topics.
  12. "Bayer Healthcare Pharmaceuticals Plant, Snohomish County, Washington State". pharmaceutical-technology.com. Retrieved 12 November 2011.
  13. "Genzyme and Bayer HealthCare Enter New Strategic Agreement". Genzyme. March 31, 2009. Archived from the original on 25 April 2012. Retrieved 12 November 2011.
  14. Medical Countermeasures Initiative Update (PDF) (Report). 29 March 2018. FDA approves Leukine for Acute Radiation Syndrome. Retrieved 29 March 2018.

External links

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