Christine E Brambs

Prof. Dr. Christine E Brambs

orcid

Research Focus & Metrics

Academic Career Length

9Years (2018-Present)

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

Representative Publications

View All Publications
5 September 2023 in Journal of Cancer Research and Clinical Oncology
Verified
Journal Article
Open access
PDF file
CBChristine E Brambs
Christine E Brambs
LHLars-Christian Horn
Lars-Christian Horn
RHRuth Hiller
Ruth Hiller
IKIrene Krücken
Irene Krücken
CBChristian Braun
Christian Braun
AHAnne Kathrin Höhn
Anne Kathrin Höhn
Purpose: Mesonephric-like adenocarcinomas (MLA) of the female genital tract represent a rare and relatively recently described neoplasm exhibiting characteristic morphologic and immunohistochemical findings commonly associated with a KRAS-mutation. Most cases display an aggressive clinical behavior, but knowledge about treatment approaches is limited, especially for targeting KRAS. Methods: We report a series of eight cases with a detailed molecular analysis for KRAS. These cases as well as the data of previously published cases with detailed information regarding KRAS-mutational events were reviewed for a potential targeted approach and its prognostic impact. Results: Both the uterine and ovarian MLA harbor a somatic KRAS-mutation in about 85% of the reported cases, affecting the hotspot codons 12 and 13. 15.7% of the endometrial and 15.6% of ovarian MLA are wild type for KRAS. A p.G12A-alteration was seen in 5.6% (5/89) of the endometrial and in 6.2% (2/32) of the ovarian tumors, for p.G12C in 7.9% and 6.2%, for p.G12D in 32.6% and 34.5% and for p.G12V in 36% and 37.5%, respectively. Very limited data are available regarding the prognostic impact of different mutational sites within the KRAS-gene without significant prognostic impact. Conclusion: Because of a specific p.G12C-KRAS somatic mutation, only the minority of MLA (7.9% with uterine and 6.2% with ovarian primary) are potentially targetable by sotarasib in that rare but aggressive subtype of adenocarcinoma of the female genital tract. Until now, the different location of a somatic KRAS-mutation is of no prognostic impact.

23 October 2018 in Breast Care
Verified
Journal Article
Open access
PDF file
NSNikolas Schuerger
Nikolas Schuerger
EKEvelyn Klein
Evelyn Klein
AHAlexander Hapfelmeier
Alexander Hapfelmeier
MKMarion Kiechle
Marion Kiechle
CBChristine E Brambs
Christine E Brambs
DPDaniela Paepke
Daniela Paepke
Introduction: Integrative medicine is becoming increasingly relevant to modern oncology. The present study aims to assess the demand for integrative therapeutic approaches including complementary and alternative medicine (CAM), body and mind practices, nutritional counseling, and psychological assistance among breast and gynecological cancer patients. Methods: From April to July 2017, a pseudo-anonymous questionnaire was distributed to cancer patients at the Department of Gynecology and Obstetrics, Technical University of Munich. Patterns of CAM use and demand for integrative health approaches were investigated by generating descriptive statistics. Results: 182 (90%) of 203 patients participated in the survey. 59% indicated the use of CAM practices in general, and 41% specifically in relation to their oncological disease. Most frequently used modalities were herbal supplements (32%), homeopathy (29%), vitamins (28%), and selenium (21%). Integrative health approaches that patients would have desired alongside conventional oncological treatment were CAM (54%), relaxation therapies (44%), and dietary counseling (43%). Conclusion: There is a considerable demand for integrative medicine among breast and gynecological cancer patients. Our results underline the need for the implementation of evidence-based integrative treatments in cancer care in order to meet the standards of modern oncology.

18 December 2024 in Cancers
Verified
Journal Article
Open access
PDF file
LHLars-Christian Horn
Lars-Christian Horn
CBChristine E Brambs
Christine E Brambs
CGC Blake Gilks
C Blake Gilks
LHLynn Hoang
Lynn Hoang
NSNaveena Singh
Naveena Singh
AHAnne Kathrin Höhn
Anne Kathrin Höhn
Vulvar carcinoma is a rare disease, meeting the criteria for a “rare cancer”, but its incidence is increasing, especially in women <60 years of age. Squamous cell carcinoma (VSCC) accounts for the overwhelming majority of vulvar carcinomas and is the focus of this review. As with many cancers, the increased understanding of molecular events during tumorigenesis has led to the emergence of the molecular subclassification of VSCC, which is subclassified into tumors that arise secondary to high-risk human papillomavirus infection (HPV-associated, or HPVa) and those that arise independently of HPV (HPVi), most commonly in the setting of a chronic inflammatory condition of the vulvar skin. This latter group of HPVi VSCC arises in most cases secondary to mutations in TP53, but recently, attention has focused on the uncommon TP53 wild-type HPVi VSCC. These three molecular subtypes of VSCC (HPVa, HPVi p53 abnormal, and HPVi p53 wild type), as well as their precursor lesions, cannot be diagnosed based on a routine histopathological examination or immunostaining for p53 and p16 as surrogate markers for TP53 mutation and high-risk HPV infection, respectively, are required. The molecular subtyping of VSCC shows high reproducibility and provides important prognostic information. HPVa VSCC has the most favorable prognosis, while HPVi VSCC with TP53 mutations (p53abn) has the worst prognosis, and HPVi VSCC with wild-type TP53 (p53wt) has an intermediate prognosis. In this review, we discuss the evidence supporting this molecular subclassification and its implications for the diagnosis and treatment of VSCC and its precursors.

7 June 2023 in Heliyon
Verified
Journal Article
Open access
LSLea Franziska Schumpf
Lea Franziska Schumpf
CBChristian Braun
Christian Braun
APAdriana Peric
Adriana Peric
MSMichael Johannes Schmid
Michael Johannes Schmid
DLDirk Lehnick
Dirk Lehnick
CBChristine E Brambs
Christine E Brambs
To systematically review and summarize the existing evidence related to the influence of the menstrual cycle (MC) and hormonal contraceptive (HC) use on V˙O2max in physically active women. This systematic review and meta-analysis conforms to the PRISMA statement guidelines. Four (sub-)meta-analyses were performed. Two focused on longitudinal studies examining the same women several times to compare the V˙O2max during the different menstrual phases or oral contraceptive (OC) use and withdrawal. Two meta-analyses examined if there is a difference in V˙O2max between OC users and normally menstruating women by analyzing cross-sectional studies assigning physically active women to one of these two groups as well as intervention-based studies (cross-over studies, randomized controlled trials considering only the data of the intervention group) comparing women intra-individually with and without OCs. Nine of the included studies (107 women) evaluated the influence of the MC, five studies (69 women) the impact of OCs on V˙O2max, and six studies investigated both topics (88 women). A mean difference of V˙O2max −0.03 ml/kg/min (95%CI –1.06 to 1.01) between the early follicular and luteal menstrual phase was observed. Between the active and inactive phases of OCs, a mean difference of −0.11 ml/kg/min (95%CI –2.32 to 2.10) was found. The inter-individual comparison of naturally menstruating women and OC users showed a mean difference in V˙O2max of 0.23 ml/kg/min (95% CI –2.33 to 2.79) in favor of OC use. The intra-individual comparison of the same women showed a mean decrease in V˙O2max of −0.84 ml/kg/min (95% CI –2.38 to 0.70) after a new start with OCs. Our meta-analyses showed no effects of the MC or the OCs on V˙O2max. More high-quality studies are needed determining the MC phases more precisely, including OCs with the current standard formulations and comparing the influence of different progestins.

3 May 2022 in Cancers
Verified
Journal Article
Open access
PDF file
OHOliver Ingo Hoffmann
Oliver Ingo Hoffmann
MRManuel Regenauer
Manuel Regenauer
BCBastian Czogalla
Bastian Czogalla
CBChristine E Brambs
Christine E Brambs
ABAlexander Burges
Alexander Burges
BMBarbara Mayer
Barbara Mayer
Recurrent ovarian-cancer patients face low 5-year survival rates despite chemotherapy. A variety of guideline-recommended second-line therapies are available, but they frequently result in trial-and-error treatment. Alterations and adjustments are common in the treatment of recurrent ovarian cancer. The drug response of 30 lesions obtained from 22 relapsed ovarian cancer patients to different chemotherapeutic and molecular agents was analyzed with the patient-derived ovarian-cancer spheroid model. The profile of druggable biomarkers was immunohistochemically assessed. The second-line combination therapy of carboplatin with gemcitabine was significantly superior to the combination of carboplatin with PEGylated liposomal doxorubicin (p < 0.0001) or paclitaxel (p = 0.0007). Except for treosulfan, all nonplatinum treatments tested showed a lesser effect on tumor spheroids compared to that of platinum-based therapies. Treosulfan showed the highest efficacy of all nonplatinum agents, with significant advantage over vinorelbine (p < 0.0001) and topotecan (p < 0.0001), the next best agents. The comparative testing of a variety of treatment options in the ovarian-cancer spheroid model resulted in the identification of more effective regimens for 30% of patients compared to guideline-recommended therapies. Recurrent cancers obtained from different patients revealed profound interpatient heterogeneity in the expression pattern of druggable protein biomarkers. In contrast, different lesions obtained from the same patient revealed a similar drug response and biomarker expression profile. Biological heterogeneity observed in recurrent ovarian cancers might explain the strong differences in the clinical drug response of these patients. Preclinical drug testing and biomarker profiling in the ovarian-cancer spheroid model might help in optimizing treatment management for individual patients.

9 February 2022 in American Journal of Case Reports
Verified
Journal Article
Open access
SVStephanie Verta
Stephanie Verta
CCCorina Christmann-Schmid
Corina Christmann-Schmid
CBChristine E Brambs
Christine E Brambs
Rare disease Adenoid cystic carcinomas of Bartholin’s gland are rare among gynecological malignancies, accounting for 0.1% to 7% of vulvar carcinomas and 0.001% of all female genital tract malignancies. There are no specific guidelines regarding treatment recommendations; therefore, they are commonly treated like vulvar cancer. We present the case of a 42-year-old premenopausal woman with an adenoid cystic carcinoma of Bartholin’s gland diagnosed upon biopsy of a palpable, predominantly vaginally located mass causing foreign-body sensation, vaginal pain, and extreme dyspareunia. The adenoid cystic carcinoma of Bartholin’s gland was treated by radical resection in an extensive interdisciplinary surgical approach including bilateral inguinal lymph node dissection, partial posterior colpectomy, amputation of the rectum, and creation of a descendostomy, as well as reconstruction of the vagina and defect coverage using flap plastic. With the presentation of this case, we propose a possible therapeutic approach to adenoid cystic carcinomas of Bartholin’s gland with emphasis on surgical management. Especially in young patients, we recommend primary radical surgery with the objective to obtain negative resection margins. However, additional data on the adenoid cystic carcinoma of Bartholin’s gland is needed to better understand its biological behavior and thus optimize and standardize treatment. The role of systematic inguinal-femoral lymphadenectomy and adjuvant and neoadjuvant treatment modalities need further evaluation.