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The effect of olanzapine in preventing chemotherapy-induced nausea and vomiting in breast cancer patients

Evaluation the effect of adding olanzapine to the standard antiemetic regimen in preventing nausea and vomiting caused by chemotherapy in breast cancer patients

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20251125068107N1
Enrollment
100
Registered
2025-12-12
Start date
2025-12-21
Completion date
Unknown
Last updated
2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer. Malignant neoplasm of breast

Interventions

Intervention 1: Intervention group: Olanzapine 10 mg oral tablet from Rozdaro Company, once daily, along with other oral antiemetic medications, standard treatment including aprepitant 125 mg oral cap

Sponsors

Ghoum University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Over 18 years old Women with breast cancer who are candidates for neoadjuvant planned adjuvant chemotherapy

Exclusion criteria

Exclusion criteria: abnormal results of complete blood count, kidney function tests a history of or are a candidate for abdominal and pelvic radiotherapy in the week prior to the study grade 2 nausea Vomiting within 24 hours before starting treatment Active infection or any uncontrolled disease History of drug use, including marijuana or alcohol significant mental, emotional, or psychological disorders History of allergy to aprepitant, ondansetron, or dexamethasone.

Design outcomes

Primary

MeasureTime frame
Frequency of nausea and vomiting. Timepoint: One day after intervention and six days after intervention. Method of measurement: Checklist and visual history.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactAli Saboori

Ghoum University of Medical Sciences

ft.saboori@gmail.com0098253612000

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 7, 2026