Fuat Demirkíran

Prof. Dr. Fuat Demirkíran

orcid

Research Focus & Metrics

Academic Career Length

12Years (2015-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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6 June 2022 in Journal of Clinical Oncology
Verified
Journal Article
Open access
BMBradley J. Monk
Bradley J. Monk
CPChristine Parkinson
Christine Parkinson
MLMyong Cheol Lim
Myong Cheol Lim
DODavid M. O'Malley
David M. O'Malley
AOAna Oaknin
Ana Oaknin
RKRebecca Kristeleit
Rebecca Kristeleit
PURPOSE: ATHENA (ClinicalTrials.gov identifier: NCT03522246 ) was designed to evaluate rucaparib first-line maintenance treatment in a broad patient population, including those without BRCA1 or BRCA2 (BRCA) mutations or other evidence of homologous recombination deficiency (HRD), or high-risk clinical characteristics such as residual disease. We report the results from the ATHENA–MONO comparison of rucaparib versus placebo. METHODS: Patients with stage III-IV high-grade ovarian cancer undergoing surgical cytoreduction (R0/complete resection permitted) and responding to first-line platinum-doublet chemotherapy were randomly assigned 4:1 to oral rucaparib 600 mg twice a day or placebo. Stratification factors were HRD test status, residual disease after chemotherapy, and timing of surgery. The primary end point of investigator-assessed progression-free survival was assessed in a step-down procedure, first in the HRD population (BRCA-mutant or BRCA wild-type/loss of heterozygosity high tumor), and then in the intent-to-treat population. RESULTS: As of March 23, 2022 (data cutoff), 427 and 111 patients were randomly assigned to rucaparib or placebo, respectively (HRD population: 185 v 49). Median progression-free survival (95% CI) was 28.7 months (23.0 to not reached) with rucaparib versus 11.3 months (9.1 to 22.1) with placebo in the HRD population (log-rank P = .0004; hazard ratio [HR], 0.47; 95% CI, 0.31 to 0.72); 20.2 months (15.2 to 24.7) versus 9.2 months (8.3 to 12.2) in the intent-to-treat population (log-rank P < .0001; HR, 0.52; 95% CI, 0.40 to 0.68); and 12.1 months (11.1 to 17.7) versus 9.1 months (4.0 to 12.2) in the HRD-negative population (HR, 0.65; 95% CI, 0.45 to 0.95). The most common grade ≥ 3 treatment-emergent adverse events were anemia (rucaparib, 28.7% v placebo, 0%) and neutropenia (14.6% v 0.9%). CONCLUSION: Rucaparib monotherapy is effective as first-line maintenance, conferring significant benefit versus placebo in patients with advanced ovarian cancer with and without HRD.

4 December 2020 in Journal of the Turkish-German Gynecological Association
Verified
Journal Article
Closed access
DADuygu Altın
Duygu Altın
IYİbRahim Yalçın
İbRahim Yalçın
GKGhanim Khatib
Ghanim Khatib
MKMine Dağgez Keleşoğlu
Mine Dağgez Keleşoğlu
SASedat Akgol
Sedat Akgol
FDFuat Demirkíran
Fuat Demirkíran
This study aimed to investigate how gynecologic oncologists modified their patient management during Coronavirus disease-2019 (COVID-19) in Turkey. An online survey was sent to gynecologic oncology specialists and fellows in Turkey. It included management questions about strategies for newly diagnosed or recurrent endometrial, cervical, ovarian and vulvar cancer during the pandemic. Participants were asked if treatment of these cancers can be delayed or not and, if yes, the duration of delay. 32.9% of surgeons prescribed oral or intrauterine progesterone for early stage, low-grade endometrial cancer. Conversely, 65.7% and 45.7% of the most surgeons did not change their management for early stage high-grade and advanced stage endometrial cancers respectively, as they perform surgery. 58% and 67.1% of the surgeons continued to prefer standard surgical treatment for microinvasive and early stage cervical cancers, respectively. Radiotherapy was preferred administered with hypofractionated doses for locally advanced cervical cancer (57.1%). While 67.1% of surgeons operated early stage ovarian cancer patients, 50% administered neoadjuvant chemotherapy (NACT) to all advanced stage ovarian cancers and 50% administered more cycles of NACT in preference to interval debulking surgery. 93.7% of the surgeons responded that treatment should not be delayed beyond eight weeks. Most Turkish gynecologic oncologists modified their management of gynecologic cancers due to the COVID-19 pandemic. While chemotherapy was preferred for ovarian cancer, postponement of the surgery, with or without non-surgical options, was considered for early stage, low-grade endometrial cancer. Treatment of gynecologic cancers should be decided on a case by case basis, taking into account local COVID-19 infection rates and availability of health facilities. Prognosis is also an important consideration if delay is contemplated. Standard treatment and normal time-frames should be used if possible. If not, a postponement for a maximum of eight weeks or referral to another center were acceptable alternatives.

1 January 2017 in Journal of Gynecologic Oncology
Verified
Journal Article
Open access
PDF file
NONazli Topfedaisi Ozkan
Nazli Topfedaisi Ozkan
MMMehmet Mutlu Meydanlı
Mehmet Mutlu Meydanlı
MSMustafa Erkan Sarı
Mustafa Erkan Sarı
FDFuat Demirkíran
Fuat Demirkíran
IKIlker Kahramanoglu
Ilker Kahramanoglu
AAAli Ayhan
Ali Ayhan
Topfedaisi Ozkan N, et al. J Gynecol Oncol. 2017 Mar;28(5):e65. https://doi.org/10.3802/jgo.2017.28.e65

1 December 2018 in Journal of Turkish Society of Obstetric and Gynecology
Verified
Journal Article
Open access
SKSuat Karataş
Suat Karataş
VŞVeysel Şal
Veysel Şal
İKİlker Kahramanoğlu
İlker Kahramanoğlu
FDFuat Demirkíran
Fuat Demirkíran
TBTugan Bese
Tugan Bese
HUHafize Uzun
Hafize Uzun
Objective: To determine the predictive role of serum levels of YKL-40 and cancer antigen (CA) 72-4 in the diagnosis of endometrial cancer (EC). Materials and Methods: Forty-one patients with EC and 21 women with uterine polyps were evaluated between January and December 2015 in a prospective study. Results: Age, body mass index, preoperative serum YKL-40 and CA 72-4 levels were significantly higher in the malignant group compared with the control group. Serum YKL-40 levels were significantly higher in patients with superficial myometrial invasion and no lymph node involvement (p=0.042; p=0.004). No relationship between clinicopathologic factors and serum CA 72-4 levels was found. Conclusion: Serum CA 72-4 and YKL-40 levels are increased in women with EC compared with uterine polyps. Preoperative serum YKL-40 levels may be associated with favorable prognostic factors. The determination of YKL-40 before surgery may be helpful in the evaluation of the regional lymph nodes.

1 September 2018 in Journal of Turkish Society of Obstetric and Gynecology
Verified
Journal Article
Open access
İKİlker Kahramanoğlu
İlker Kahramanoğlu
NTNedim Tokgözoğlu
Nedim Tokgözoğlu
HTHasan Turan
Hasan Turan
VŞVeysel Şal
Veysel Şal
GŞGönül Şimşek
Gönül Şimşek
HUHafize Uzun
Hafize Uzun
To evaluate the use of YKL-40 in the discrimination between benign and malignant adnexal mass and to determine its prognostic value in assessing residual tumor after primary cytoreduction and platinum sensitivity in serous epithelial ovarian carcinoma (EOC). During the three years from January 2015 to December 2017, a nonconsecutive series of 100 patient (60 malignant, 40 benign) who underwent surgery for an adnexal mass were enrolled in the study. Preoperatively, serum samples were collected for YKL-40 level analysis. YKL-40 [receiver operator characteristics (ROC)-area under curve (AUC)=0.83] was a significantly better predictor of EOC than cancer antigen-125 (ROC-AUC=0.75). Using a cut-off for YKL-40 of 47.7 ng/mL had a sensitivity of 80% and a specificity of 70%. Higher serum YKL-40 levels were associated with advanced stage, higher grade, residual tumor after primary cytoreduction and recurrence. Platinum-sensitive patients had significantly elevated levels of YKL-40 compared with platinum-resistant or refractory patients. The results obtained from our study support the use of serum YKL-40 for the discrimination between malignant and benign ovarian tumors. YKL-40 levels in patients with serous EOC may also predict disease residual disease after primary cytoreduction and recurrence. Further studies are needed to understand the relationship between YKL-40 and platinum sensitivity.

12 September 2015 in Women's Health
Verified
Journal Article
Open access
FDFuat Demirkíran
Fuat Demirkíran