Status:

NOT_YET_RECRUITING

Vitamin D Supplementation in Breast Cancer Patients

Lead Sponsor:

Abdelrahman Mahmoud

Conditions:

Peripheral Neuropathic Pain

Eligibility:

FEMALE

18-65 years

Phase:

PHASE2

Brief Summary

It is a randomized clinical trial aimed at exploring the neuroprotective effect of vitamin D3 (Cholecalciferol) supplementation in conjunction with paclitaxel-based chemotherapy among breast cancer pa...

Detailed Description

This study is a two-arm randomized controlled trial with 132 participants, evenly randomized into an intervention group and a control group. Both groups are scheduled to receive Adriamycin-Cyclophosph...

Eligibility Criteria

Inclusion

  • Female aged 18 to 65 years old.
  • Histologically confirmed breast cancer.
  • Eastern Cooperative Oncology Group (ECOG) performance status of less than or equal to 2 \[21\] \[22\].
  • All patients should fulfill the criteria of the initiation of taxane-based chemotherapy such as absolute neutrophil count (ANC) \> 1,500/mcL, platelets \> 100,000/mcL, hemoglobin ≥ 9 g/mL, Aspartate Aminotransferase (AST) (Serum Glutamic-Oxaloacetic Transaminase) (SGOT) to Alanine Aminotransferase (ALT), (Serum Glutamic-Pyruvic Transaminase) (SGPY) ratio (AST (SGOT)/ALT (SGPT)) \< 2.5 x institutional upper limit of normal (ULN), total bilirubin less than or equal to 1.5 x institutional ULN, serum creatinine \< 1.5 x institutional ULN.
  • Stage I-III breast cancer scheduled to undergo adjuvant or neoadjuvant paclitaxel-based chemotherapy for breast cancer using doxorubicin 60 mg/m² and cyclophosphamide 600 mg/m² followed by paclitaxel 80 mg/m² weekly for 12 weeks protocol code BRAJACTW \[23\].
  • Vitamin D insufficiency defined as serum level \< 30 ng/ml.
  • Ability to give informed consent as per the legal requirement.

Exclusion

  • Prior neurotoxic chemotherapy including paclitaxel.
  • Metastatic carcinoma.
  • History of any other malignancy except malignancy that was treated with curative intent and for which there has been no known active disease for more than 3 years prior to randomization, curatively treated non-melanoma skin malignancy, cervical cancer in situ, in situ ductal carcinoma, or breast in situ lobular carcinoma.
  • Grade II neuropathy or higher based on the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0. neurosensory or neuromotor neuropathy, regardless of causality.
  • Patients who are scheduled to receive any neurotoxic chemotherapeutic agents such as platinum compounds (carboplatin, cisplatin), vinorelbine, eribulin, and ixabepilone.
  • Diabetes mellitus
  • Psychiatric disorders that limit ability to comply with study protocol i.e., history of regular exacerbation of major psychosis (schizophrenia, bipolar disorder) in last 2 years.
  • Known Fibromyalgia
  • Gastric bypass surgery.
  • Patients with chronic granuloma forming disorders (sarcoidosis or tuberculosis TB).
  • Known hyperparathyroidism.
  • Known thyroid dysfunction.
  • Known positive test for human immunodeficiency virus (HIV), hepatitis C virus, or acute or chronic hepatitis B infection.
  • Pregnancy and lactation.
  • Hypercalcemia (corrected blood calcium \> 10.5 mg/dl or \> 2.6 mmol/L)\[24\]
  • Hyperphosphatemia, serum phosphate concentration \> 4.5 mg/dL \[25\]
  • History of symptomatic genitourinary stones within the past year.
  • Allergy to any cholecalciferol dosage form component.
  • Alcohol consumption.
  • Regular use of vitamin D \> 2000 IU daily over the past year.
  • Inability to swallow pills.
  • Medications that may interfere with vitamin D metabolism, including enzyme inducing anticonvulsants, lithium, phenytoin, verapamil, orlistat, tuberculosis medications as isoniazid, and/or rifampin and estrogen-containing medications.
  • Patients receiving any of the following medications used to prevent CIPN: vitamin E, glutamine, nortriptyline, amitriptyline, tricyclic antidepressants, pregabalin, and duloxetine and other nutritional supplements as vitamin B during taxane administration.

Key Trial Info

Start Date :

October 15 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 30 2026

Estimated Enrollment :

132 Patients enrolled

Trial Details

Trial ID

NCT06596122

Start Date

October 15 2024

End Date

December 30 2026

Last Update

September 19 2024

Active Locations (1)

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Ain Shams University (El-Demerdash) Hospital

Cairo, Egypt