Turmeric power: could curcumin ease chemo side effects for rectal cancer patients?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: (A) Males and females more than 20 years of age (B) Signed informed consent (C) Patients with a pathologically proven rectal adenocarcinoma located less than 10 cm to the anus. (D) Clinical staging (AJCC 8th ed.): T2-4 N0 M0 or T any N1-2 M0 (E) Distal metastasis has been excluded by imaging study: by chest-to-pelvic computed tomography or Positron Emission Tomography (F) Preoperative pelvic staging by pelvic Magnetic Resonance Imaging (preferred) or trans-rectal ultrasound (G) Patients with WHO/ECOG performance scale 0 or 1 Exclusion Criteria: (A) Refuse to sign the informed consent (B) Distal metastasis revealed by the imaging study (C) Patients does not receive radiotherapy (D) Unable to receive further curative resection (E) Patients receive tumor resection before the neoadjuvant treatment (F) Patients have history of more than 5 Gy of pelvic radiation (G) Patients in pregnancy or lactation status (H) Patients have allergic history to curcumin, 5-fluouracil or oxaliplatin (I) Patients of childbearing potential can not cooperate with appropriate contraceptive method (oral, injectable, or implantable hormonal contraceptive; tubal ligation; intra-uterine device; barrier contraceptive with spermicide; or vasectomized partner) (J) Patients with any concurrent malignancy; patients with history of malignancy should be cancer-free for more than 5 years (K) Patients with New York Heart Association (NYHA) class III or IV heart failure, unstable angina pectoris, unstable cardiac arrhythmia or tachycardia (heart rate \> 100 beats/minute) (L) Patients have concurrent uncontrolled medical conditions, such as illness ongoing or requiring IV antibiotics, severe chronic renal failure (eGFR \<30 mL/min/1.73m2) or severe active hepatitis(AST/ALT\>3x upper normal limit)、Total Bilirubin\>2 mg/dl (M) Patients with previous or current drug abuse (N) Patients underwent major surgery within 28 days of study enrollment (except diverting colostomy) (O) Patients have Familial Adenomatosis Polyposis Coli (FAP), Hereditary Non-Polyposis Colorectal Cancer (HNPCC), active Crohn's disease or active ulcerative Colitis (P) Patients have known dipyrimidine dehydrogenase deficiency (DPD) (Q) Patients with congenital iron metabolic or hematopoietic diseases (R) Patients with synchronous colon cancer (S) The Patients with hematologic abnormalities (INR \> 1.5, white blood cell (WBC) count \< 3,000/μL, absolute neutrophil count (ANC) \< 1,500/μL, platelet count \< 100,000/μL, hemoglobin \< 9.0 g/dL not caused by tumor treatment) or known hematologic diseases (aplastic anemia, myelodysplastic syndrome (MDS), leukemia, malignant lymphoma, multiple myeloma, hereditary hematologic diseases such as thalassemia, sickle cell anemia, etc.). (T) The patient has diabetes mellitus (U) The patient is taking the immunosuppressants Cyclosporine, Tacrolimus, Sirolimus, and Everolimus and antigoagulants (warfarin、NOACs、aspirin) (V) Patients with The medical, psychological, or social condition that, in the opinion of the investigator, may increase the patient's risk or limit the patient's adherence with study requirements