Zejula (niraparib) vs Elahere (mirvetuximab soravtansine-gynx)

Zejula (niraparib) vs Elahere (mirvetuximab soravtansine-gynx)

Zejula (niraparib) is a type of drug known as a PARP inhibitor, used primarily to treat ovarian, fallopian tube, or primary peritoneal cancer in adults who have received previous cancer treatments. Elahere (mirvetuximab soravtansine-gynx) is an antibody-drug conjugate specifically targeting the folate receptor alpha, indicated for the treatment of adult patients with folate receptor alpha-positive, platinum-resistant epithelial ovarian, fallopian tube, or primary peritoneal cancer, who have received one to three prior systemic treatment regimens. The choice between Zejula and Elahere would depend on the specific characteristics of the cancer, including biomarker status such as folate receptor alpha positivity, previous treatments, and the patient's overall health and treatment goals, which should be discussed with a healthcare provider.

Difference between Zejula and Elahere

Metric Zejula (niraparib) Elahere (mirvetuximab soravtansine-gynx)
Generic name niraparib mirvetuximab soravtansine-gynx
Indications Ovarian, fallopian tube, or primary peritoneal cancer maintenance treatment Ovarian cancer treatment for patients with folate receptor alpha-positive cancer
Mechanism of action Poly (ADP-ribose) polymerase (PARP) inhibitor Antibody-drug conjugate targeting folate receptor alpha
Brand names Zejula Elahere
Administrative route Oral Intravenous
Side effects Anemia, thrombocytopenia, nausea, fatigue, constipation Fatigue, nausea, diarrhea, anemia, peripheral neuropathy
Contraindications Hypersensitivity to niraparib or any of its components Hypersensitivity to mirvetuximab soravtansine-gynx or any of its components
Drug class Poly (ADP-ribose) polymerase inhibitor Antibody-drug conjugate
Manufacturer GlaxoSmithKline (GSK) ImmunoGen, Inc.

Efficacy

Efficacy of Zejula (Niraparib) in Gynecological Cancer

Zejula (niraparib) is a poly (ADP-ribose) polymerase (PARP) inhibitor used in the treatment of certain types of gynecological cancers, particularly ovarian cancer. It has been approved for the maintenance treatment of adult patients with recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer who are in a complete or partial response to platinum-based chemotherapy. Clinical trials have demonstrated that niraparib significantly extends progression-free survival (PFS) compared to placebo. The efficacy of Zejula was established in a pivotal phase 3 trial known as NOVA, which showed a substantial improvement in PFS across different patient cohorts, including those with germline BRCA mutations and those without.

Efficacy of Elahere (Mirvetuximab Soravtansine-gynx) in Gynecological Cancer

Elahere (mirvetuximab soravtansine-gynx) is an investigational antibody-drug conjugate targeting the folate receptor alpha (FRα), which is frequently overexpressed in ovarian cancer and other types of gynecological cancers. As an emerging treatment, mirvetuximab soravtansine-gynx has shown promise in early clinical trials. Specifically, in patients with FRα-positive, platinum-resistant ovarian cancer, this targeted therapy has demonstrated encouraging antitumor activity. The efficacy of Elahere is being further evaluated in ongoing clinical trials, which aim to confirm its therapeutic benefit and safety profile in a larger population of patients with gynecological cancers.

Both Zejula and Elahere represent significant advances in the treatment of gynecological cancers, offering new hope for patients with these challenging conditions. While Zejula is already an established option for maintenance therapy in ovarian cancer, Elahere is a potential new treatment that could address the needs of patients with FRα-positive tumors. The continued development and clinical investigation of these drugs are crucial for improving outcomes and providing personalized treatment options for women with gynecological cancers.

It is important to note that the efficacy of any medication can vary based on individual patient characteristics and specific disease biology. Therefore, healthcare providers should consider the full clinical profile of each patient when determining the most appropriate treatment regimen. As research progresses, the therapeutic landscapes for gynecological cancers are expected to evolve, with the potential for new indications and combination therapies involving drugs like Zejula and Elahere.

Regulatory Agency Approvals

Zejula
  • European Medical Agency (EMA), European Union
  • Food and Drug Administration (FDA), USA
  • Health Canada
  • Therapeutic Goods Administration (TGA), Australia
Elahere
  • Food and Drug Administration (FDA), USA

Access Zejula or Elahere today

If Zejula or Elahere are not approved or available in your country (e.g. due to supply issues), you can access them via Everyone.org.

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