Clinical trial NCT03244943: Cytokine Profiles in Breast Cancer Patients Undergoing Chemotherapy
Official title: Effects of Non-surgical Periodontal Treatment on the Gingival Crevicular Fluid Cytokine Profiles in Breast Cancer Patients Undergoing Chemotherapy
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: NA
Conditions: Mammary Neoplasm, Human
Periodontal Diseases
Chemotherapy Effect
Lead sponsor: University of Sao Paulo
Sponsor class: OTHER
First posted: 2017-08-10
Enrollment: 40
Sex: FEMALE
Minimum age (years): 35
Maximum age (years): 70
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: yes
Allocation: NON_RANDOMIZED
Intervention model: PARALLEL
Intervention model description: 40 patients were allocated: periodontitis patients (P) (n=20) and breast cancer with periodontitis patients (CAN/P) (n=20). The clinical parameters: probing depth (PD), clinical attachment level (CAL), plaque index (PI), Bleeding of probing (BOP) and levels of IFN-γ, IL-4, IL-10, TGF-β, IL-17, IL-2, IL-6, IL-1β and TNF-α in gingival crevicular fluid (GCF) were evaluated at baseline, 45 and 180 days after therapy.
Primary purpose: TREATMENT

Brief summary: Aim: This study evaluated the effects of non-surgical periodontal therapy (NSPT) on the cytokine profile and the correlation to clinical parameters of patients undergoing chemotherapy for breast cancer.

Materials and methods: 40 patients were allocated: periodontitis patients (P) (n=20) and breast cancer with periodontitis patients (CAN/P) (n=20). The clinical parameters: probing depth (PD), clinical attachment level (CAL), plaque index (PI), Bleeding on probing (BOP) and levels of IFN-γ, IL-4, IL-10, TGF-β, IL-17, IL-2, IL-6, IL-1β and TNF-α in gingival crevicular fluid (GCF) were evaluated at baseline, 45 and 180 days after therapy.

Detailed description: The NSPT, which consisted of subgingival debridement - scaling and root planning (SRP) under local anesthesia. On average, the treatment of the entire oral cavity was completed within four sessions (sessions of 50 minutes). The SRP was performed by one experienced periodontist (KRVV) using Gracey curettes (Hu-Friedy MFG. Co. Inc., Chicago, IL, USA), ultra-sonic devices (Bob-Cat, Dentsply/Cavitron, Long Island City, NY, USA) and, if necessary, with multilaminated drills.

Eligibility criteria: Inclusion Criteria:

* All patients were diagnosed with periodontitis (P) The inclusion criteria were:Loss of clinical insertion (CAL) ≥ 5mm and PD probing depth ≥ 6mm in ≥ 30% of sites; ≥20 teeth; radiographic bone loss that extends to the middle level of the root; presence of supragingival and subgingival calculus according to the severity of periodontal damage. Grade B was assessed indirectly, considering radiographic bone loss in the tooth most affected by dentition as a function of age (0.25 to 1.0).

Exclusion Criteria:

* 1) scaling and root planning or antibiotic treatment in the previous 6 months; 2) systemic diseases that could affect the progression of periodontitis (e.g., diabetes, hypertension, cardiovascular diseases); 3) extensive prosthetic involvement; 4) long-term administration of anti-inﬂammatory medication; 6) smokers and former smokers; 7) pregnancy or lactation; 8) orthodontic therapy; 9) use of mouth rinses containing antimicrobials in the preceding 2 months; 10) patients had previously received chemotherapy or radiotherapy; 11) patients with metastasis and/or patients with neoadjuvant chemotherapy.

Primary outcomes:
measure: Cytokines
timeFrame: baseline, 45 days, 180 days
Secondary outcomes:
measure: Correlation of cytokines
timeFrame: baseline, 45 days, 180 days
Other outcomes:
Locations:
Study officials:
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