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Dr. Taher Al-Tweigeri

Medical Oncologist

Dr. Taher Al-Tweigeri

Consultant, Breast Cancer (Medical Oncology)

25+ years of experience

MD / MBBS; Medical Oncology specialty training
King Faisal Specialist Hospital, Riyadh - United Arab Emirates

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    Areas of Expertise

    Dr. Taher Al-Tweigeri

    Major Conditions Treated

    • Breast Cancer (luminal A/B, HER2-enriched, triple-negative)
    • Metastatic Breast Cancer
    • Locally Advanced Breast Cancer
    • BRCA-Associated Breast Cancer
    • HER2-Positive Breast Cancer
    • Ductal Carcinoma In Situ (DCIS)
    • Obesity-Related Breast Cancer

    Sub-specialties

    • Triple-Negative Breast Cancer (TNBC) Innovation: Principal investigator on novel IL-6 pathway targeting with tocilizumab plus cisplatin/docetaxel — a landmark contribution to best TNBC treatment in Saudi Arabia.
    • Neoadjuvant Chemotherapy: Pioneer of doxorubicin-docetaxel-cisplatin regimens in locally advanced breast cancer.
    • Arab Women Breast Cancer Epidemiology: Lead contributor to molecular subtype research and obesity-breast cancer associations in Saudi and Arab women.

    Advanced Procedures & Treatments

    • Neoadjuvant Chemotherapy (doxorubicin, taxanes, cisplatin-based)
    • Adjuvant Chemotherapy for Early Breast Cancer
    • HER2-Targeted Therapy (Trastuzumab, Pertuzumab, T-DXd)
    • CDK 4/6 Inhibitor Therapy
    • Endocrine Therapy (Aromatase Inhibitors, Tamoxifen, Fulvestrant)
    • Antibody-Drug Conjugate Therapy
    • Investigational Trials (Tocilizumab, Novel Targeted Therapies)

    Qualifications & Credentials

    Medical Degrees

    • MBBS / MD — Information not publicly available.
    • Internal Medicine Residency — Information not publicly available.
    • Medical Oncology Specialty Training — Information not publicly available.

    Fellowships & Special Training

    • Information not publicly available.

    Certifications & Accreditations

    • Saudi Commission for Health Specialties (SCFHS) registration
    • Information not publicly available.

    Professional Experience

    Current Affiliation

    • King Faisal Specialist Hospital & Research Centre (Cancer Centre of Excellence), Riyadh, Saudi Arabia — Consultant, Breast Cancer Section, Medical Oncology Department (Current)

    Past Affiliations

    • Information not publicly available.

    Academic & Research Roles

    • Faculty / Investigator — Breast Cancer Research Programme, KFSHRC Molecular Oncology Department
    • Adjunct Faculty — Alfaisal University, Riyadh — Information not publicly available.

    Key Achievements

    • Co-author on the 2025 Saudi national breast cancer consensus guideline
    • Principal investigator on the tocilizumab + cisplatin/docetaxel phase 1/2 TNBC trial
    • Senior contributor to Saudi breast cancer molecular subtyping research (Luminal A, B, HER2, TNBC)
    • Long-term prognostic research on young-age, obesity, and BRCA carriers in Saudi breast cancer
    • Senior author / collaborator on over 100 peer-reviewed publications on breast cancer biology and treatment

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