BioSight
Back
Jazz Pharmaceuticals plc logo

JAZZ

NASDAQDUBLIN
Jazz Pharmaceuticals plc

Jazz Pharmaceuticals is a biopharmaceutical company developing life-changing medicines for rare diseases across epilepsies, cancers, and sleep disorders using small molecule and biologic modalities. The company markets several approved products including Xywav (sodium oxybate oral solution) for narcolepsy, Epidiolex (cannabidiol oral solution) for seizure disorders, the bispecific antibody Ziihera (zanidatamab-hrii) for HER2-positive biliary tract cancer, Modeyso (dordaviprone) for diffuse midline glioma, Zepzelca (lurbinectedin) for small cell lung cancer, and Rylaze (asparaginase erwinia chrysanthemi recombinant) for acute lymphoblastic leukemia, with an ongoing pipeline of early-, mid-, and late-stage rare disease programs.

$203.02+73.58%1Y
JAZZ · daily close · illustrative · 0 catalysts marked
1Y high$203.981Y low$97.78range$106.20(109%)past catalysts

Pipeline22

Phase 3Gastric Neoplasms
Phase 3Gastroesophageal Adenocarcinoma
Phase 3Esophageal Adenocarcinoma

Pyrimidine analog chemotherapy that inhibits thymidylate synthase, blocking DNA synthesis. Foundational in colorectal, breast, and head/neck cancers (FOLFOX, FOLFIRI regimens).

small-molecule
Pyrimidine analog (thymidylate synthase inhibitor)
Thymidylate synthase
Phase 3Metastatic HER2-positive Breast Cancer
Phase 3Gastric Neoplasms
Phase 3Gastroesophageal Adenocarcinoma
Phase 3Esophageal Adenocarcinoma

Oral 5-fluorouracil prodrug activated to 5-FU in tumor tissue. Used in colorectal, breast, and gastric cancers, often combined with oxaliplatin or platinum.

small-molecule
5-FU prodrug (thymidylate synthase inhibitor)
Thymidylate synthase
Phase 3Biliary Tract Cancer
Phase 3Gastric Neoplasms
Phase 3Gastroesophageal Adenocarcinoma
Phase 3Esophageal Adenocarcinoma

Platinum-based chemotherapy that forms DNA crosslinks. Foundational cytotoxic agent used across testicular, bladder, ovarian, head and neck, and lung cancers.

small-molecule
DNA crosslinker (platinum chemotherapy)
DNA
Phase 3H3 K27M
Phase 3Glioma
small-molecule
Phase 3Biliary Tract Cancer

Anti-PD-L1 monoclonal antibody (Imfinzi) that blocks PD-L1, restoring T-cell anti-tumor activity. Approved in NSCLC, SCLC, biliary tract cancer, and hepatocellular carcinoma.

monoclonal-antibody
PD-L1 antagonist
PD-L1
Phase 3Metastatic HER2-positive Breast Cancer

Eribulin inhibits the growth phase of microtubules without affecting the shortening phase and sequesters tubulin into nonproductive aggregates.

small-molecule
Phase 3Biliary Tract Cancer
Phase 3Metastatic HER2-positive Breast Cancer

Pyrimidine nucleoside analog chemotherapy that incorporates into DNA and inhibits ribonucleotide reductase. First-line in pancreatic cancer; used in lung, breast, and bladder cancers.

small-molecule
Nucleoside analog (DNA synthesis inhibitor)
DNA polymerase / ribonucleotide reductase
Phase 3Gastric Neoplasms
Phase 3Gastroesophageal Adenocarcinoma
Phase 3Esophageal Adenocarcinoma

Third-generation platinum chemotherapy that forms DNA adducts. Backbone in colorectal cancer (FOLFOX) and other GI malignancies.

small-molecule
DNA crosslinker (platinum chemotherapy)
DNA
Phase 3Biliary Tract Cancer

Anti-PD-1 monoclonal antibody (Keytruda) that blocks the PD-1 checkpoint, restoring anti-tumor immune response. FDA-approved across many cancers including NSCLC, melanoma, and gastroesophageal cancer.

monoclonal-antibody
PD-1 antagonist
PD-1
Phase 3Gastric Neoplasms
Phase 3Gastroesophageal Adenocarcinoma
Phase 3Esophageal Adenocarcinoma

Anti-PD-1 monoclonal antibody (Tevimbra) engineered to minimize FcγR binding. Approved in esophageal squamous cell carcinoma, NSCLC, and other cancers.

monoclonal-antibody
PD-1 antagonist
PD-1
Phase 3Metastatic HER2-positive Breast Cancer
Phase 3Gastric Neoplasms
Phase 3Gastroesophageal Adenocarcinoma
Phase 3Esophageal Adenocarcinoma
Phase 2Breast Cancer

Anti-HER2 monoclonal antibody (Herceptin) that binds the extracellular domain of HER2, blocking signaling and triggering ADCC. Standard of care in HER2-positive breast and gastric cancers.

monoclonal-antibody
HER2 antagonist
HER2
Phase 3Metastatic HER2-positive Breast Cancer

Vinorelbine is a vinca alkaloid that interferes with microtubule assembly. The antitumor activity of vinorelbine is thought to be due primarily to inhibition of mitosis at metaphase through its interaction with tubulin.

small-molecule
Phase 2Breast Cancer
Phase 2Gastric Cancer
Phase 2Esophageal Cancer
Phase 2Gastroesophageal Cancer
Phase 2Colorectal Cancer
Phase 2Endometrial Cancer
Phase 2Non-Small Cell Lung Cancer
Phase 2Ovarian Cancer
Phase 2Urothelial Carcinoma
Phase 2Salivary Gland Cancer
Phase 2Pancreatic Cancer
Phase 2HER-2 Protein Overexpression
Phase 3Biliary Tract Cancer
Phase 3Metastatic HER2-positive Breast Cancer
Phase 3Gastric Neoplasms
Phase 3Gastroesophageal Adenocarcinoma
Phase 3Esophageal Adenocarcinoma

Biparatopic anti-HER2 bispecific antibody (Ziihera) that binds two distinct HER2 epitopes simultaneously, enhancing receptor clustering and signal disruption. Approved in HER2-positive biliary tract cancer.

bispecific-antibody
Biparatopic HER2 antagonist
HER2 (two epitopes)
Phase 2Breast Cancer

Platinum-based chemotherapy that forms DNA crosslinks, inducing apoptosis in cancer cells. Standard of care across many solid tumors including NSCLC, ovarian, breast, bladder, and biliary cancers.

small-molecule
DNA crosslinker (platinum chemotherapy)
DNA
Phase 2Breast Cancer

Taxane chemotherapy that stabilizes microtubules and arrests mitosis. Used in breast, prostate, NSCLC, head and neck, and gastric cancers.

small-molecule
Microtubule stabilizer (taxane chemotherapy)
β-tubulin
Phase 2Refractory Ewing Sarcoma
Phase 2Relapsed Ewing Sarcoma
Phase 2Ewing Sarcoma

Lurbinectedin is an alkylating drug that binds guanine residues in the minor groove of DNA, forming adducts and resulting in a bending of the DNA helix towards the major groove.

small-molecule
Phase 2Advanced Pheochromocytoma and Paraganglioma
Phase 2PCPG
small-molecule
Phase 2Advanced Pheochromocytoma and Paraganglioma
Phase 2PCPG
small-molecule
Phase 2Advanced Pheochromocytoma and Paraganglioma
Phase 2PCPG
small-molecule
Phase 2Breast Cancer

Taxane chemotherapy that binds β-tubulin and prevents microtubule depolymerization, causing mitotic arrest. Used in breast, ovarian, lung, and other cancers.

small-molecule
Microtubule stabilizer (taxane chemotherapy)
β-tubulin
Phase 2Breast Cancer

Pertuzumab targets the extracellular dimerization domain (Subdomain II) of the human epidermal growth factor receptor 2 protein (HER2) and, thereby, blocks ligand-dependent heterodimerization of HER2 with other HER family members, including EGFR, HER3, and HER4.

small-molecule
UnknownIndication pending review

Catalyst Calendar1

Past (1)
NOV 17
2025
ReadoutZiihera (zanidatamab-hrii)
Jazz Pharmaceuticals plc issued a press release announcing positive top-line results from the Phase 3 HERIZON-GEA-01 trial evaluating Ziihera® (zanidatamab-hrii) in combination with chemotherapy, and with or without the checkpoint inhibitor tislelizumab, as a first-line treatment for HER2-positive locally advanced or metastatic gastroesophageal adenocarcinoma
8-K

Disclaimer·BioSight aggregates publicly available data (SEC EDGAR, ClinicalTrials.gov, FDA, company press releases) and is provided as is for informational purposes only. Nothing here is investment, financial, legal, tax, or medical advice, or an offer to buy or sell any security. We make no warranty as to accuracy, completeness, or timeliness; dates and filings may contain errors or be superseded without notice; past events do not predict future outcomes. To the maximum extent permitted by law, BioSight, its operators, contributors, and affiliates disclaim all liability for any loss or damage arising from use of or reliance on this site. You are solely responsible for your own investment decisions — consult a licensed professional before acting on any information.