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Prescription medicine

Trilaciclib Brand names: Cosela

Trilaciclib (Cosela) is a prescription medicine with an FDA approval on record since 2021. No generic is listed in FDA's NDC Directory.

  • No generic listed

Check it at the source: the trilaciclib FDA label on DailyMed (effective August 31, 2025, Pharmacosmos Therapeutics Inc.); the NDA 214200 record on Drugs@FDA; every trilaciclib label on DailyMed.

Highlights of the record

FDA label of August 31, 2025; NDC Directory, Drugs@FDA and Orange Book, October 8, 2026

Used for

From the label: indications and usage

COSELA is indicated to decrease the incidence of chemotherapy-induced myelosuppression in adult patients when administered prior to a platinum/etoposide-containing regimen or topotecan-containing regimen for extensive-stage small cell lung cancer (ES-SCLC).

Forms and strengths

  • 300 mg/20ml

Injection (powder) (lyophilized) for solution.

On the market

Earliest approval on file
February 12, 2021 Cosela, Pharmacosmos; Drugs@FDA’s file, where older or withdrawn approvals can be missing
Generic approvals
No generic approved
Labelers listed (NDC)
2 of which 0 under generic applications, 2 under brand applications, repackagers included
Last listed patent
November 13, 2040 Cosela injection; not a generic launch date

Supply and safety

Pharmacy cost (NADAC)
Not in the survey
Shortage (FDA)
No current entry
Recalls by its makers (FDA)
No recall recorded
FAERS reports
241 through July 30, 2026

What is trilaciclib used for?

From the label: indications and usage

COSELA is indicated to decrease the incidence of chemotherapy-induced myelosuppression in adult patients when administered prior to a platinum/etoposide-containing regimen or topotecan-containing regimen for extensive-stage small cell lung cancer (ES-SCLC). COSELA is a kinase inhibitor indicated to decrease the incidence of chemotherapy-induced myelosuppression in adult patients when administered prior to a platinum/etoposide-containing regimen or topotecan-containing regimen for extensive-stage small cell lung cancer.

FDA pharmacologic class: Kinase Inhibitor.

Source: FDA drug label (COSELA), Pharmacosmos Therapeutics Inc., effective August 31, 2025 (SPL set b3179c19-78f3-4bf1-b73e-7f7638522ab1), via openFDA; the full label on DailyMed

Is there a generic for trilaciclib (Cosela)?

No generic trilaciclib is approved (Drugs@FDA, October 8, 2026).

The Orange Book lists 14 patents for Cosela injection: the compound patent runs to November 13, 2040. A patent or exclusivity date is not the date a generic goes on sale: court cases and settlements move it either way.

  • 2021 earliest approval on file
  • 2040 last listed patent

Source: Drugs@FDA, FDA NDC Directory and the Orange Book (openFDA bulk files, October 8, 2026)

What does the trilaciclib label say about other medicines?

The trilaciclib label names 4 other medicines in its interaction, contraindication or warning sections. The sentences are the labels' own; a label lists what its studies and reports found, not every interaction.

Medicine namedSectionWhat the label says
Cisplatindrug interactionsDrugs: Cisplatin; Recommendations: Closely monitor for nephrotoxicity.; Comments: Concurrent treatment with COSELA may increase the exposure and alter the net accumulation of cisplatin in the kidney, which may associate with dose-related nephrotoxicity.
Dalfampridinedrug interactionsDrugs: Dalfampridine; Recommendations: The potential benefits of taking COSELA concurrently with dalfampridine should be considered against the risk of seizures in these patients.; Comments: Increased dalfampridine blood levels may occur in patients who are also receiving COSELA. …
Dofetilidedrug interactionsDrugs: Dofetilide; Recommendations: The potential benefits of taking COSELA concurrently with dofetilide should be considered against the risk of QT interval prolongation.; Comments: Increased dofetilide blood levels may occur in patients who are also receiving COSELA. …
Epinephrinewarnings and precautionsOne patient experienced a Grade 2 anaphylactic reaction 4 days after receiving COSELA, which resolved with epinephrine, and treatment with COSELA was continued.

Check trilaciclib against other medicines

Source: FDA drug label (COSELA), Pharmacosmos Therapeutics Inc., effective August 31, 2025 (SPL set b3179c19-78f3-4bf1-b73e-7f7638522ab1), via openFDA; the full label on DailyMed

What do FAERS reports show for trilaciclib?

The FDA Adverse Event Reporting System holds 241 reports that list trilaciclib among the medicines taken, through July 30, 2026, each a report of something that happened, not proof the medicine caused it; 25 are coded as a death and 78 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is.

The most reported reactions

  • Myelosuppression (a use or a product term, not a reaction)36
  • Off Label Use (a use or a product term, not a reaction)27
  • Dyspnoea (named in the label)19
  • White Blood Cell Count Decreased18
  • Platelet Count Decreased17
  • Death (an outcome recorded in the report)16
  • Pneumonia (named in the label)15
  • Anaemia (named in the label)14

Side effects: the label's list and every FAERS reaction

Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026

What next?

Other kinase inhibitors
the pharmacologic class, with prices and generics
Trilaciclib side effects
the label's list beside FAERS reports
Check an interaction
what two or more labels say about each other