За медици

Научна дейност

Водещите специалисти на болница „Надежда“ начело с д-р Георги Стаменов взимат участие в научни проекти и изследвания в областта на репродуктивната медицина, генетиката, имунологията, микробиологията и онкологията.

Резултатите от проведените изследвания стават достояние на международната научна общност на най-големите конгреси по асистирана репродукция и медицинска онкология в света.

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Научни статии - Репродуктивна медицина

Parvanov D, Ganeva R, Vidolova N, Stamenov G. Decreased number of p16-positive senescent cells in human endometrium as a marker of miscarriage. J Assist Reprod Genet. 2021 Apr 5. doi: 10.1007/s10815-021-02182-5. Epub ahead of print. PMID: 33821427.

Stamenov GS, Vitale SG, Della Corte L, Vilos GA, Parvanov DA, Nikolova DN, Ganeva RR, Haimovich S. Hysteroscopy and female infertility: a fresh look to a busy corner. Hum Fertil (Camb). 2020 Dec 2:1-29. doi: 10.1080/14647273.2020.1851399. Epub ahead of print. PMID: 33261529.

Nikolova S, Parvanov D, Georgieva V, Ivanova I, Ganeva R, Stamenov G. Impact of sperm characteristics on time-lapse embryo morphokinetic parameters and clinical outcome of conventional in vitro fertilization. Andrology. 2020 Sep;8(5):1107-1116. doi: 10.1111/andr.12781. Epub 2020 Mar 30. PMID: 32119189.

Parvanov D, Nikolova D, Ganeva R, Nikolova K, Vasileva M, Rangelov I, Pancheva M, Serafimova M, Staneva R, Hadjidekova S, Scarpellini F, Stamenov G. Unbalanced human embryos secrete more hyperglycosylated human chorionic gonadotrophin (hCG-H) than balanced ones. J Assist Reprod Genet. 2020 Jun;37(6):1341-1348. doi: 10.1007/s10815-020-01776-9. Epub 2020 Apr 22. PMID: 32323120; PMCID: PMC7311563.

Ganeva R, Parvanov D, Nikolova K, Gospodinova M, Ivanova I, Rangelov I, Vasileva M, Stamenov G. Predictive Value of the Sperm Zona-Adhesion Score for the Implantation Outcome. European Journal of Medical Research 5(1)(August 2019):46-47

Ibryam M, Parvanov D, Ganeva R, Nikolova S, Ivaniva I, Rangelov I, Stamenov G, Chaushev T. The association between female age, body mass index (BMI) and time-lapse parameters of successfully implanted human embryos. Annual of Sofia University, Faculty of Biology , July 2019, volume 104,  pp. 362-367

Taskudi E, Parvanov D, Ganeva R, Hristova B, , Stamenov G, Chaushev T. The impact of stimulation on vaginal microbiota of women undergoing IVF treatment. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp. 355-361

Nikolova S, Ganeva R, Ibryamova M, Ivanova I, Nikolova K, Parvanov D, , Stamenov G, Chaushev T. Influence of BMI and FSH on Morphokinetics of human embryos in women undergoing IVF treatment. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp. 348-354

Parvanov D, Ganeva R,Vidolova N, Stamenov G, Chaushev T Immunohistochemical search for age-related senescent cells in human endometrium. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp. 22-29

Gospodinova M, Ganeva R, Nikolova K, Shaban F, Parvanov D, Stamenov G, Chaushev T. Developing a method for sperm selection trough cumulus ligands. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp.335-347

Parvanov D, Stoykov I , Stamenov G, Chaushev T. Rapid protocol for preparing human endometrial mitochondria for transplantation. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp.30-41

Esmeryan, K., Ganeva, R., Stamenov, G.S., Chaushev, T.A. January 2019. Superhydrophobic Soot Coated Quartz Crystal Microbalances: A Novel Platform for Human Spermatozoa Quality Assessment. Sensors 19(1):123 DOI: 10.3390/s19010123

Stamenov, G.S., Parvanov, D.A., Chaushev, T.A. May 2018. Successful Pregnancy following Mixed Double Embryo Transfer in a Patient with Variable Window of Implantation. Case Reports in Obstetrics and Gynecology vol.2018: 1687583. DOI: 10.1155/2018/1687583.

Tihomirova, T., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. October 2018.  Measurement of serum progesterone levels on the day of embryo transfer is a useful tool in prediction of successful pregnancy. Annual of Sofia University, Faculty of Biology 103(4): 53-

Tsonev, P., Parvanov, D.A., Ganeva, R.R., Dzagarov, I., Staykov, V., Ivanova, D., Stamenov, G.S., Chaushev, T.A. October 2018. The positive effect of resveratrol on motility and DNA fragmentation of human spermatozoa during cryopreservation. Annual of Sofia University, Faculty of Biology 103(4): 22-28.

Stamenov, G.S., Parvanov, D.A., Chaushev, T.A. June 2017. Mixed double-embryo transfer: A promising approach for patients with repeated implantation failure. Clinical and Experimental Reproductive Medicine 44(2): 105. DOI: 10.5653/cerm.2017.44.2.105

Ganeva, R.R., Parvanov, D.A., Stamenov, G.S, Dzhambazov, B., Chaushev, T.A. June 2017. TNF-α expression of in-vitro cultured human endometrial stromal and epithelial cells. Annual of Sofia University, Faculty of Biology 102(4): 147-154. 

Parvanov, D.A., Georgieva, V., Staykov, V., Stamenov, G.S., Chaushev, T.A. June 2017. Higher frequency of tail defects in human spermatozoa correspond to higher levels of DNA fragmentation. Annual of Sofia University, Faculty of Biology 102(4): 97-104.

Chaushev, T.A., Parvanov, D.A., Stamenov, G.S., Dzhambazov, B. June 2017. GnRH-I – a suitable biomarker for assessment of endometrial receptivity. Annual of Sofia University, Faculty of Biology 102(4): 155-161.

Georgieva, V., Parvanov, D.A., Taskudi, E.Z., Stamenov, G.S., Chaushev, T.A. June 2017. Relation between morphological defects in human spermatozoa and spontaneous abortions in patients undergoing ICSI. Annual of Sofia University, Faculty of Biology 102(4): 186-193.

Научни статии - Медицинска онкология

Radanova M, Levkova M, Mihaylova G, Manev R, Maneva M, Hadgiev R, Conev N, Donev I. Single Nucleotide Polymorphisms in microRNA Genes and Colorectal Cancer Risk and Prognosis. Biomedicines. 2022; 10(1):156. https://doi.org/10.3390/biomedicines10010156 , Impact factor-6.1

Zhelev K, Conev N, Petrova М, Zahariev Z, Ruseva R, Kraleva P, et al. Higher Value of Skeletal Muscle Index are Associated with Lower Neoadjuvant Rectal Score in Patients Treated with Concurrent Neoadjuvant

Chemoradiotherapy. Austin J Cancer Clin Res. 2022; 9(1): 1098.

Addeo A, Hochmair M, Janzic U, et al. Treatment patterns, testing practices, and outcomes in the pre-FLAURA era for patients with EGFR mutation-positive advanced NSCLC: a retrospective chart review (REFLECT). Therapeutic Advances in Medical Oncology. January 2021. doi:10.1177/17588359211059874, Impact Factor-8.2

Donev, I.S., Stoyanov, D.S., Panayotova, T.V. et al. One-minute time interval estimation as a novel potent indicator of emotional concerns in cancer patients prior to starting chemotherapy. Curr Psychol 40, 3997–4003 (2021). https://doi.org/10.1007/s12144-019-00362-2, Impact Factor-4.2

Radanova M, Mihaylova G, Mihaylova Z, Ivanova D, Tasinov O, Nazifova-Tasinova N, Pavlov P, Mirchev M, Conev N, Donev I. Circulating miR-618 Has Prognostic Significance in Patients with Metastatic Colon Cancer. Current Oncology. 2021; 28(2):1204-1215. https://doi.org/10.3390/curroncol28020116, Impact Factor-3.7

Radanova M, Mihaylova G, Tasinov O, Ivanova DP, Stoyanov GS, Nazifova-Tasinova N, Manev R, Salim A, Nikolova M, Ivanova DG, Conev N, Mihaylova Z, Donev I. New Circulating Circular RNAs with Diagnostic and Prognostic Potential in Advanced Colorectal Cancer. International Journal of Molecular Sciences. 2021; 22(24):13283. https://doi.org/10.3390/ijms222413283, Impact Factor-5.9

Radanova M, Mihaylova G, Nazifova-Tasinova N, Levkova M, Tasinov O, Ivanova D, Mihaylova Z, Donev I. Oncogenic Functions and Clinical Significance of Circular RNAs in Colorectal Cancer. Cancers. 2021; 13(14):3395. https://doi.org/10.3390/cancers13143395, Impact Factor-6.7

Petrova, M., et al. Sarcopenia and high NLR are associated with the development of hyperprogressive disease after second‐line pembrolizumab in patients with non‐small‐cell lung cancer. Clinical &Experimental Immunology, 2020. 202(3): p. 353-362, Impact Factor-4.3

Ivan Shterev Donev, Martina Stoyanova Ivanova, Nikolay Vladimirov Conev. Fast time perception is associated with high levels of anxiety in cancer patients prior to starting chemotherapy. BioScience Trends, 2020, Volume 14, Issue 1, Pages 35-41, Released March 16, 2020, [Advance publication] Released February 06, 2020, Online ISSN 1881-7823, Print ISSN 1881-7815, Impact factor 2.5

Mila P. Petrova, Mariyana I. Eneva, Jeliazko I. Arabadjiev, Nikolay V. Conev, Eleonora G. Dimitrova, Krassimir D. Koynov, Teodora S. Karanikolova, Spartak S. Valev, Radostina B. Gencheva, Georgi A. Zhbantov, Anika I. Ivanova, Iva I. Sarbianova, Constanta V. Timcheva, Ivan S. Donev. Neutrophil to lymphocyte ratio as a potential predictive marker for treatment with pembrolizumab as a second line treatment in patients with non-small cell lung cancer. BioScience Trends, 2020, Volume 14, Issue 1, Pages 48-55, Released March 16, 2020, [Advance publication] Released February 04, 2020, Online ISSN 1881-7823, Impact factor 2.5

Mila P. Petrova, Mariyana I. Eneva, Jeliazko I. Arabadjiev, Nikolay V. Conev, Eleonora G. Dimitrova, Krassimir D. Koynov, Teodora S. Karanikolova, Spartak S. Valev, Radostina B. Gencheva, Georgi A. Zhbantov, Anika I. Ivanova, Iva I. Sarbianova, Constanta V. Timcheva, Ivan S. Donev. Neutrophil to lymphocyte ratio as a potential predictive marker for treatment with pembrolizumab as a second line treatment in patients with non-small cell lung cancer. BioScience Trends, 2020, Volume 14, Issue 1, Pages 48-55, Released March 16, 2020, [Advance publication] Released February 04, 2020, Online ISSN 1881-7823, Impact factor 2.5

Постери - Репродуктивна медицина

Arsov K., Parvanov D., Ganeva R., Vidolova N., Stamenov G. November 2020. ASSOCIATION BETWEEN CD4+ AND CD8+ CELLS IN THE ENDOMETRIUM OF RIF PATIENTS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2020.

R. Ganeva, * D. Parvanov, M. Handzhiyska, G. Stamenov EffectofIFN-αonthepro-andanti-inflammatorycytokinesecretionfromperipheralbloodmononuclearcells(PBMC)

Ganeva R., Parvanov D., Stamenov G. November 2020. DETERMINATION OF INTERLEUKIN 6 (IL-6) SECRETED FROM PERIPHERAL BLOOD MONONUCLEAR CELLS (PBMC).  INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2020.

Handzhiyska M., Parvanov D., Ganeva R., Gogeva S., Tsonev P., Vaneva D., Dzagarov I., Taskudi E., Ivanova I., Jelezarski L., Georgieva V., Stamenov G. November 2020. ASSOCIATION BETWEEN HUMAN SPERM DEFECTS AND AGE.  INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2020.

Parvanov D., Ganeva R.,  Vidolova N., Stamenov G. October 2020. VARIATION IN THE PERCENTAGE OF ENDOMETRIAL P16-POSITIVE SENESCENT CELLS IN CONSECUTIVE MENSTRUAL CYCLES. Fertility and Sterility 114(3):E201  DOI: 10.1016/j.fertnstert.2020.08.572

Parvanov D., Ganeva R., Todorova M., Nikolova K., Vasileva M., Rangelov I., Scarpellini F., Stamenov G. October 2020. SHLA-G LEVELS IN FOLLICULAR FLUID ARE NOT ASSOCIATED WITH FOLLICULAR G-CSF CONCENTRATIONS IN WOMEN UNDERGOING IN VITRO FERTILIZATION. Fertility and Sterility 114(3):E313      DOI: 10.1016/j.fertnstert.2020.08.853

Ganeva R., Parvanov D., Nikolova K., Stamenov G. October 2020. OFFSPRING GENDER RATIO AFTER SPERM CO-INCUBATION WITH ENDOMETRIAL CELLS PRIOR IVF. Fertility and Sterility 114(3):E132  DOI: 10.1016/j.fertnstert.2020.08.391

Parvanov D., Ganeva R., Vidolova N., Vasileva M., Stoykov I., Scarpellini F., Stamenov G. October 2020. OVARIAN AUTOLOGOUS PLATELET-RICH PLASMA (PRP) TREATMENT IMPROVES OOCYTE AND EMBRYO QUALITY IN WOMEN WITH POOR OVARIAN RESPONSE. Fertility and Sterility 114(3):E452-E453  DOI: 10.1016/j.fertnstert.2020.08.1307

Ganeva R., Parvanov D., Vidolova N., Stamenov G. October 2020. ASSOCIATION BETWEEN THE PERCENTAGE OF P16-POSITIVE SENESCENT CELLS AND ESTROGEN AND PROGESTERONE RECEPTORS EXPRESSION IN HUMAN ENDOMETRIUM DURING THE MID-LUTEAL PHASE. Fertility and Sterility 114(3):E345  DOI: 10.1016/j.fertnstert.2020.08.1031

Ganeva R., Parvanov D., Vidolova N., Stoykov I., Stamenov G. October 2020. IN VITRO COLLAGEN CLEARANCE OF OVARIAN FIBROSIS TISSUE WITH PURIFIED COLLAGENASE I. Fertility and Sterility 114(3):E235-E236 DOI: 10.1016/j.fertnstert.2020.08.659

Ganeva R., Parvanov D., Gogeva S., Rangelov I., Stamenov G. October 2020. EFFECT OF CO-INCUBATION OF SPERMATOZOA WITH HUMAN ENDOMETRIAL CELLS ON ASSISTED REPRODUCTION OUTCOMES. Fertility and Sterility 114(3):E124 DOI: 10.1016/j.fertnstert.2020.08.370

Parvanov D., Ganeva R., Stamenov G. July 2020. RELATIONSHIP BETWEEN THE PERCENTAGE OF ENDOMETRIAL SENESCENT CELLS AND UTERINE NATURAL KILLERS (UNK) CELLS DURING THE MID-LUTEAL PHASE IN WOMEN WITH RECURRENT PREGNANCY FAILURE. European Society of Human Reproduction and Embryology “ESHRE” Volume: 35, Supp. 1 2020, Abstract book

Ganeva R., Parvanov D., Vaneva D., Vasileva M., Stamenov G. July 2020. ZONA PELLUCIDA SELECTS SPERMATOZOA WITH GOOD DNA FRAGMENTATION. European Society of Human Reproduction and Embryology “ESHRE” Volume: 35, Supp. 1 2020, Abstract book

Stamenov G., Scarpellini F., Nikolova D., Ganeva R., Nikolova K., Vasileva M., Rangelov I., Pancheva M., Sarafimova M., Staneva R., Hadjidekova S., Parvanov D. May 2020. HYPERGLYCOSYLATED HUMAN CHORIONIC GONADOTROPHIN (HCG-H) IN EMBRYO CULTURE MEDIA AS A BIOMARKER FOR ANEUPLOIDY DETECTION. 2nd International Summit on Assisted Reproduction DOI:10.13140/RG.2.2.14779.23841

Ganeva R., Parvanov D., Nikolova D., Vasileva M., Nikolova K., Stamenov G. November 2019. SPERM-ZONA ADHESION PROPERTIES ARE RELATED TO THE CONVENTIONAL SEMEN PARAMETERS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2019.

Parvanov D., Ganeva R., Nikolova D., Vidolova N., Stamenov G. November 2019. THE ASSOCIATION BETWEEN THE PRESENCE OF P16-POSITIVE CELLS IN HUMAN ENDOMENTRIUM DURING THE MID-LUTEAL PHASE AND WOMAN’S AGE. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2019.

Jelezarski L., Parvanov D., Georgieva V., Ganeva R., Stamenov G. November 2019. RELATIONSHIP BETWEEN SUPEROXIDE DISMUTASE ACTIVITY AND GLUTATHIONE PEROXIDASE ACTIVITY IN HUMAN SEMINAL PLASMA AND SPERMATOZOA. . INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2019.

Parvanov D., Nikolova D., Nikolova S., Georgieva V., Ivanova I., Ganeva R., Stamenov G. October 2019. SPERM DNA MATURITY IS ASSOCIATED WITH TIME-LAPSE VARIABLES OF HUMAN EMBRYOS. THIRD SEMINAR ON GENETICS WITH INTERNATIONAL PARTICIPATION ( SGIP) 

Ganeva R., Parvanov D., vasileva M., Nikolova K., Stamenov G. September 2019. HIGHERPREGNANCY RATES AFTER ZONA PELLUCIDA SPERM SELECTION. Fertility and Sterility  112(3):e280 DOI: 10.1016/j.fertnstert.2019.07.826

Parvanov D.,Nikolova D.,  Ganeva R., Nikolova K., Vasileva M., Rangelov I., Scarpellini F.,Stamenov G. September 2019. MATERNAL AGE AND BLASTOCYSTQUALITYDO NOT INFLUENCE THE EMBRYO PRODUCTION OF HYPERGLYCOSYLATED HUMAN CHORIONIC GONADOTROPIN. Fertility and Sterility  112(3):e130 DOI: 10.1016/j.fertnstert.2019.07.459

Parvanov D., Ganeva R., Vidolova N., penkova P., Tihomirova T., Stamenov G. September 2019.PROGESTERONE AND ESTRADIOL CONCENTRATIONS IN HUMAN ENDOMETRIUM DURING THE MID-LUTEAL PHASE OF THE MENSTRUAL CYCLE. Fertility and Sterility  112(3):e335 DOI: 10.1016/j.fertnstert.2019.07.966

Stamenov G., Nikolova K., Vasileva M., Rangelov I., Ganeva R., Pancheva M., Serafimova M., Staneva R., Hadjidekova S., Scarpellini F., Parvanov D. September 2019. HYPERGLYCOSYLATED HUMAN CHORIONIC GONADOTROPIN IN BLASTOCYST CULTURE MEDIUM OF MALE AND FEMALE HUMAN EMBRYOS. Fertility and Sterility 112(3):e126 DOI: 10.1016/j.fertnstert.2019.07.449

Ganeva R., Parvanov D., Nikolova K., Vasileva M., Shaban F., Stamenov G. September 2019. THE EXTRACELLULAR CUMULUS MATRIX DOUBLES THE SPERM ZONA-ADHESION IN NORMOZOOSPERMIC PATIENTS. Fertility and Sterility 112(3):e263 DOI: 10.1016/j.fertnstert.2019.07.792

Jelezarski L., Parvanov D., Georgieva V., Ganeva R., Stamenov G. September 2019. RELATIONSHIP AMONG INTRACELLULAR SUPEROXIDE DISMUTASE ACTIVITY, GLUTATHIONE PEROXIDASE ACTIVITY, MOTILITY AND MORPHOLOGY IN HUMAN SEMEN. Fertility and Sterility  1 112(3):e263-e264  DOI: 10.1016/j.fertnstert.2019.07.795

Vasileva M., Parvanov D., Nikolova K., Ganeva R., Stamenov G. September 2019. CERTAIN MORPHOLOGICAL CHARACTERISTICS OF THE SPERMATOZOON USED FOR INTRACYTOPLASMIC SPERM INJECTION (ICSI) ARE ASSOCIATED WITH A HIGHER LIKELIHOOD OF DEVELOPMENTAL ARREST AND EMBRYO DEGENERATION. Fertility and Sterility  112(3):e278 DOI:10.1016/j.fertnstert.2019.07.822

Parvanov D., Nikolova D., Ganeva R., Vidolova N., Stamenov G.September2019.PRESENCE OF P16-POSITIVE SENESCENT CELLS INHUMANENDOMETRIUM DURING THE MID-LUTEAL PHASE OF THEMENSTRUAL CYCLE. Fertility and Sterility  112(3):e315. DOI: 10.1016/j.fertnstert.2019.07.914

Parvanov, D.A., Ganeva, R.,Vidolova, ., Stamenov, G.S., Chaushev, T.A. June 2019. P308   RELATIONSHIP BETWEEN THE PERCENTAGE OF SENESCEN ENDOMETRIAL CELLS AND PREGNANCY OUTCOME IN WOMEN WITH RECURRENT PREGNANCY FAILURE. The 35th ANNUAL MEETING “ESHRE” JUNE 23-26 2019 Vienna. DOI: 10.13140/RG.2.2.12241.17765

Ganeva, R., Vasileva, M., Nikolova, M., Gospodinova, M., Ivanova, I., Rangelov, I.,  Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. June 2019. P022 A PILOT STUDY TO INVESTIGATE THE SPERM ZONA-ADHESION SCORE (SZAS) AS A PREDICTOR OF SUCCESSFUL IMPLANTATION. The 35th ANNUAL MEETING “ESHRE” JUNE 23-26 2019 Vienna. DOI: 10.13140/RG.2.2.12241.17765

Nikolova, S., Parvanov, D.A., Hadjidekova, S., Staneva, R., Pancheva, M., Serafimova, M., Ivanova, I., Nikolova, K., Rangelov, I., Stamenov, G.S., Chaushev, T.A. June 2019. P210 A TIME-LAPSE COMPARISON BETWEEN GENETICALLY BALANCED AND UNBALANCED HUMAN EMBRYOS. The 35th ANNUAL MEETING “ESHRE” JUNE 23-26 2019 Vienna. DOI: 10.13140/RG.2.2.34051.55841

Chaushev, T.A., Parvanov, D.A., Nikolova, K., Nikolova, S., Vasileva, M., Rangelov, I., Stamenov, G.S. June 2018. THE EFFECT OF THE DAY OF EMBRYO TRANSFER OF BLASTOCYSTS ON THE FREQUENCY OF SPONTANEOUS ABORTIONS OF WOMEN UNDERGOING IVF TREATMENT. WCRPL 2018 – The 3rd World Congress on Recurrent Pregnancy Loss JUNE 27-29 2018 Madrid DOI: 10.13140/RG.2.2.15950.72007

Parvanov, D.A., Stamenov, G.S., Vasileva, M., Nikolova, K., Ibryamova, M., Chaushev, T.A. June 2018. MIXED DOUBLE EMBRYO TRANSFER RESULTS IN HIGHLY INCREASED LIVE BIRTH RATE AND SLIGHTLY INCREASED FREQUENCY OF SPONTANEOUS ABORTIONS COMPARED WITH BLASTOCYST DOUBLE EMBRYO TRANSFER. WCRPL 2018 – The 3rd World Congress on Recurrent Pregnancy Loss JUNE 27-29 2018 Madrid DOI: 10.13140/RG.2.2.13853.56807

Gospodinova, M., Vasileva, M., Nikolova, K., Parvanov, D.A., Chaushev, T.A. November 2018. DEVELOPING A METHOD FOR SPERM SELECTION TROUGH CUMULUS LIGANDS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. DOI: 10.13140/RG.2.2.23212.51848

Taskudi, E.Z., Hristova, B., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. November 2018. THE IMPACT OF STIMULATION ON VAGINAL MICROFLORA OF WOMEN UNDERGOING IVF TREATMENT. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. DOI:10.13140/RG.2.2.25204.81284

Ganeva, R.R., Vasileva, M., Ibryamova, M., Nikolova, K., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. November 2018. METHOD FOR UTILIZATION OF SOLUBILIZED ZONAE PELLUCIDAE IN SPERM-ZONA ADHESION TEST. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018.

Ibryamova, M., Nikolova, S., Parvanov, D.A., Ivanova, I., Rangelov, I., Stamenov, G.S., Chaushev, T.A. November 2018. THE ASSOCIATION BETWEEN FEMALE AGE AND TIME-LAPSE PARAMETERS OF SUCCESSFULLY IMPLANTED HUMAN EMBRYOS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. DOI: 10.13140/RG.2.2.20171.64807

Parvanov, D.A., Stoykov, I., Stamenov, G.S., Chaushev, T.A. November 2018.  RAPID PROTOCOL FOR PREPARING HUMAN ENDOMETRIAL MITOCHONDRIA FOR TRANSPLANTATION. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018 DOI:10.13140/RG.2.2.31915.69921

Parvanov, D.A., Vidolova, N., Ganeva R., Stamenov, G.S., Chaushev, T.A. November 2018.  IMMUNOHISTOCHEMICAL SEARCH FOR AGE-RELATED ZOMBIE CELLS IN HUMAN ENDOMETRIUM. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018 DOI: 10.13140/RG.2.2.15138.48321

Nikolova, S., Ibryamova, M., Ivanova, I., Nikolova, K., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. November 2018. Influence of BMI and FSH on Morphokinetics of human embryos in women undergoing IVF treatment. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018 DOI: 10.13140/RG.2.2.33593.42089

Stamenov, G.S., Parvanov, D.A., Ivanova, I., Rangelov, I., Nikolova, K., Nikolova, S., Vasileva, M., Chaushev, T.A. November 2018. MORPHOKINETIC MARKERS OF HUMAN EMBRYOS AS A PREDICTOR FOR EARLY PREGNANCY LOSS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018 DOI: 10.13140/RG.2.2.32636.59525

Stamenov, G.S., Parvanov, D.A., Nikolova, K., Vasileva, M., Chaushev, T.A. November 2018. INTRAUTERINE ADMINISTRATION OF HCG BEFORE EMBRYO TRANSFER DECREASES THE FREQUENCY OF EARLY PREGNANCY LOSS. FRM Conference, November 15-18, 2018; Translational Reproductive Biology and Clinical Reproductive Endocrinology, New York, USA DOI: 10.13140/RG.2.2.19214.82243

Tihomirova, T., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. November 2017. MEASUREMENT OF SERUM PROGESTERONE LEVELS ON THE DAY OF EMBRYO TRANSFER IS A USEFUL TOOL IN PREDICTION OF SUCCESSFUL PREGNANCY. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2017 DOI: 10.13140/RG.2.2.29735.04006

Tsonev, P., Tsonev, P., Parvanov, D.A., Ganeva, R.R., Dzagarov, I., Staykov, V., Ivanova, D., Stamenov, G.S., Chaushev, T.A. November 2017. THE POSITIVE EFFECT OF RESVERATROL ON MOTILITY AND DNA FRAGMENTATION OF HUMAN SPERMATOZOA DURING CRYOPRESERVATION. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2017 DOI: 10.13140/RG.2.2.12957.82408

Абстракти и постери - Медицинска онкология

36P Plasma levels of hsa_circ_0001445 and hsa_circ_0007915 may indicate the presence of metastatic disease in patients with colorectal cancer, M Radanova, G Mihaylova, O Tasinov, D Ivanova, N Nazifova-Tasinova, Annals of Oncology 32, S1356-S1357,ESMO-2021

1228P Real-world treatment patterns and clinical outcomes in patients from Central Eastern Europe with EGFR-mutated advanced non-small cell lung cancer,A Pluzanski, IS Donev, B Gafton, U Janzic, D Vidovic, R Lupu et al, Annals of Oncology 32, S973-S974,ESMO-2021

1496P Time estimation is associated with the levels of distress in patients prior to starting radiotherapy, K Zhelev, NV Conev, ZI Zahariev, I Donev, Annals of Oncology 32, S1099,ESTRO-2021

1244P Real-world EGFR and T790M testing patterns in patients from Central Eastern Europe with advanced non-small cell lung cancer: Results from a large retrospective study, M Dediu, U Janzic, MV Marinca, A Pluzanski, N Turnsek, R Lupu et al, Annals of Oncology 32, S980,ESMO-2021

1318P Neutrophil extracellular traps as a potential predictive marker for treatment with pembrolizumab alone or with chemotherapy as a first-line in patients with metastatic NSCLC, M Petrova, D Parvanov, R Ganeva, D Metodiev, S Bachurska, Annals of Oncology 32, S1013,ESMO-2021

PO-0944 Correlation on G8 score with sarcopenia is a prognostic factor for OS in patients with HNC, K Zhelev, Z Zahariev, D Katsarov, I Mihaylova, N Conev, I Donev, Radiotherapy and Oncology 161, S788,ESTRO-2021

P-54 Higher muscle mass is associated with better response to concurrent neoadjuvant chemoradiotherapy in rectal cancer patients, K Zhelev, Z Zahariev, N Conev, I Donev, Annals of Oncology 32, S114-S115 ESTRO-2021

Real-world outcomes and clinical characteristics of patients with brain metastases from EGFR mutated non-small cell lung cancer: Data from a large retrospective study (REFLECT).U Janzic, A Addeo, E Dudnik, A Charpidou, A Pluzanski, TE Ciuleanu, et al. Journal of Clinical Oncology 39 (15_suppl), 9086-9086 ASCO-2021

67P Evaluation of genetic variants in miR-146-a, miR-618, and miR-181b as risk factors of colorectal cancer in Bulgarian patients,M Radanova, GM Mihaylova, D Ivanova, O Tasinov, N Nazifova-Tasinova, et al, Annals of Oncology 31, S1237 ESMO-2020

Fast time estimation is associated with high levels of depression in COPD patients, N Evgeniev, N Conev, R Nikolaeva, I Donev, European Respiratory Journal 56 (suppl 64), 2020

High CRP plasma levels in OSA patients correlate with high Pichot fatigue scale score, N Evgeniev, R Nikolaeva, N Conev, I Donev, European Respiratory Journal 56 (suppl 64), 2020

1698P The presence of COVID-19 makes more cancer patients distressed and time perception may distinguish them, NV Conev, M Petrova, E Dimitrova, K Zhelev, ZI Zahariev, K Nikolov, et al. Annals of Oncology 31, S1002,ESMO-2020

1299P Real-world treatment patterns, clinical outcomes and EGFR/T790M testing practices in patients with EGFRm advanced NSCLC and 1L EGFR TKI therapy, A Addeo, MJ Hochmair, U Janzic, E Dudnik, A Charpidou, A Pluzanski, et al. Annals of Oncology 31, S840 ESMO-2020

P-365 Association between baseline serum levels of miRNA-143 and hepatocyte growth factor in patients with RAS wild type metastatic colorectal cancer treated with first-line, Z Mihaylova, M Radanova, D Ivanova, G Mihaylova, V Petrova, D Petkova, et al. Annals of Oncology 31, S208,ESMO-2020

P-361 High expression levels of circulating miRNA-618 and miRNA-203a-3p are associated with prolonged survival in patients with metastatic colon cancer, M Radanova, D Ivanova, G Mihaylova, O Tasinov, N Nazifova-Tasinova, et al. Annals of Oncology 31, S207,ESMO-2020

P-33 Regorafenib and trifluridine/tipiracil efficacy and safety in chemorefractory metastatic colorectal cancer patients: A single Bulgarian centre retrospective study, M Penkova, D Stoyanov, T Panayotova, I Donev, M Petrova, N Conev, Annals of Oncology 31, S100,ESMO-2020

High neutrophil to lymphocyte ratio as a predictor for hyperprogressive disease in patients with metastatic non-small cell lung cancer treated with pembrolizumab as a second line, M Petrova, M Eneva, JI Arabadjiev, NV Conev, E Dimitrova, KD Koynov, et al. Journal of Clinical Oncology 38 (15_suppl), e21546-e21546,ASCO-2020

Dynamic of time estimation and its relation with levels of distress. NV Conev, M Ivanova, E Dimitrova, A Yanchev, I Donev, Journal of Clinical Oncology 38 (15_suppl), e19091-e19091,ASCO-2020

Gender and time estimation as novel potent indicators of emotional concerns in cancer patients. A Yanchev, M Ivanova, I Donev, E Dimitrova, NV Conev, Journal of Clinical Oncology 38 (15_suppl), e24195-e24195,ASCO-2020

Sarcopenia as a negative predictive marker for treatment with pembrolizumab as a second line in patients with metastatic non-small cell lung cancer. M Petrova, G Valchev, NV Conev, E Dimitrova, B Robev, M Boneva, et al. Journal of Clinical Oncology 38 (15_suppl), e21541-e21541,ASCO-2020

Association of rs7372209 single nucleotide polymorphism in gene for miRNA-26a-1 with tumor localization and disease outcome in patients with colorectal cancer from Bulgaria. G Mihaylova, D Ivanova, O Tasinov, N Nazifova-Tasinova, V Petrova, et al. Journal of Clinical Oncology 38 (15_suppl), e13656-e13656,ASCO-2020

Association of rs363293 single nucleotide polymorphism in promoter region of miRNA-143/145 with susceptibility to colorectal cancer and with patients’ outcome. GM Mihaylova, D Ivanova, R Manev, O Tasinov, N Nazifova-Tasinova, et al. Annals of Oncology 30, vii32,ESMO-2020

Serum level of miRNA-143 as a potential prognostic marker in patients with colorectal cancer and synchronous metastatic disease. Z Mihaylova, D Ivanova, G Mihaylova, O Tasinov, N Nazifova-Tasinova, et al. Annals of Oncology 30, iv81-iv82,ESMO-2020

Serum level of miRNA-143 as a potential prognostic marker in patients with colorectal cancer and synchronous metastatic disease. Z Mihaylova, D Ivanova, G Mihaylova, O Tasinov, N Nazifova-Tasinova, et al. Annals of Oncology 30, iv81-iv82,ESMO-2020

Fast time estimation to predict levels of anxiety in cancer patients. I Tonev, NV Conev, SS Valev, T Panayotova, T Karanikolova, I Donev, Journal of Clinical Oncology 37 (15_suppl), e23162-e23162,ASCO-2019

One-minute time interval estimation as a novel potent indicator of need for help in cancer patients prior to starting chemotherapy. D Stoyanov, I Donev, NV Conev, T Panayotova, M Ivanova, Journal of Clinical Oncology 37 (15_suppl), e23161-e23161,ASCO-2019

Lower FDG PET/CТ SUV max shows better response to SBRT of adrenals in oligometastatic disease, Kiril Zhelev , Dimitar Katsarov, Nedyalka Velikova, Zahari Zahariev, Iglika Mihaylova, Nikolay Nedev, Rositsa Krasteva, Rosen Hadgiev, Nikolay Conev, Ivan Donev, ESTRO-2022

High LRIG1 expression is associated with better prognosis for patients with Glioblastoma Multiforme, Hristina Ivanovska, Kiril Zhelev , Zahari Zahariev, Georgi Stoyanov, Rosen Hadgiev, Nikolay Conev, Ivan Donev, ESTRO-2022

Публикации - Репродуктивна медицина

Parvanov D, Ganeva R, Vidolova N, Stamenov G. Decreased number of p16-positive senescent cells in human endometrium as a marker of miscarriage. J Assist Reprod Genet. 2021 Apr 5. doi: 10.1007/s10815-021-02182-5. Epub ahead of print. PMID: 33821427.

Stamenov GS, Vitale SG, Della Corte L, Vilos GA, Parvanov DA, Nikolova DN, Ganeva RR, Haimovich S. Hysteroscopy and female infertility: a fresh look to a busy corner. Hum Fertil (Camb). 2020 Dec 2:1-29. doi: 10.1080/14647273.2020.1851399. Epub ahead of print. PMID: 33261529.

Nikolova S, Parvanov D, Georgieva V, Ivanova I, Ganeva R, Stamenov G. Impact of sperm characteristics on time-lapse embryo morphokinetic parameters and clinical outcome of conventional in vitro fertilization. Andrology. 2020 Sep;8(5):1107-1116. doi: 10.1111/andr.12781. Epub 2020 Mar 30. PMID: 32119189.

Parvanov D, Nikolova D, Ganeva R, Nikolova K, Vasileva M, Rangelov I, Pancheva M, Serafimova M, Staneva R, Hadjidekova S, Scarpellini F, Stamenov G. Unbalanced human embryos secrete more hyperglycosylated human chorionic gonadotrophin (hCG-H) than balanced ones. J Assist Reprod Genet. 2020 Jun;37(6):1341-1348. doi: 10.1007/s10815-020-01776-9. Epub 2020 Apr 22. PMID: 32323120; PMCID: PMC7311563.

Ganeva R, Parvanov D., Nikolova D., Vasileva M., Nikolova K., Stamenov G. Spertember 2020. Sperm-Zona adhesion properties are related to the conventional semen parameters. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2020.  Book 4, volume 105.

Ganeva R, Parvanov D, Nikolova K, Gospodinova M, Ivanova I, Rangelov I, Vasileva M, Stamenov G. Predictive Value of the Sperm Zona-Adhesion Score for the Implantation Outcome. European Journal of Medical Research 5(1)(August 2019):46-47

Parvanov D., Ganeva R., Nikolova D., Vidolova N., Stamenov G. The association between the presence of p16-positive cells in human endometrium during the mid-luteal phase and woman’s age. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2020.  Book 4, volume 105.

Ganeva R, Gospodinova M, Ivanova I, Rangelov I, Vasileva M, Nikolova K, Parvanov D, Stamenov G, Chaushev T. Method for utilization of solubilized zonae pellucidae in sperm Zona-adhesion test. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp. 315-334

Ibryam M, Parvanov D, Ganeva R, Nikolova S, Ivaniva I, Rangelov I, Stamenov G, Chaushev T. The association between female age, body mass index (BMI) and time-lapse parameters of successfully implanted human embryos. Annual of Sofia University, Faculty of Biology , July 2019, volume 104,  pp. 362-367

Taskudi E, Parvanov D, Ganeva R, Hristova B, , Stamenov G, Chaushev T. The impact of stimulation on vaginal microbiota of women undergoing IVF treatment. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp. 355-361

Nikolova S, Ganeva R, Ibryamova M, Ivanova I, Nikolova K, Parvanov D, , Stamenov G, Chaushev T. Influence of BMI and FSH on Morphokinetics of human embryos in women undergoing IVF treatment. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp. 348-354

Parvanov D, Ganeva R,Vidolova N, Stamenov G, Chaushev T Immunohistochemical search for age-related senescent cells in human endometrium. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp. 22-29

Gospodinova M, Ganeva R, Nikolova K, Shaban F, Parvanov D, Stamenov G, Chaushev T. Developing a method for sperm selection trough cumulus ligands. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp.335-347

Parvanov D, Stoykov I , Stamenov G, Chaushev T. Rapid protocol for preparing human endometrial mitochondria for transplantation. Annual of Sofia University, Faculty of Biology , July 2019, volume 104, pp.30-41

Esmeryan, K., Ganeva, R., Stamenov, G.S., Chaushev, T.A. January 2019. Superhydrophobic Soot Coated Quartz Crystal Microbalances: A Novel Platform for Human Spermatozoa Quality Assessment. Sensors 19(1):123 DOI: 10.3390/s19010123

Stamenov, G.S., Parvanov, D.A., Chaushev, T.A. May 2018. Successful Pregnancy following Mixed Double Embryo Transfer in a Patient with Variable Window of Implantation. Case Reports in Obstetrics and Gynecology vol.2018: 1687583. DOI: 10.1155/2018/1687583.

Tihomirova, T., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. October 2018.  Measurement of serum progesterone levels on the day of embryo transfer is a useful tool in prediction of successful pregnancy. Annual of Sofia University, Faculty of Biology 103(4): 53-59.

Tsonev, P., Parvanov, D.A., Ganeva, R.R., Dzagarov, I., Staykov, V., Ivanova, D., Stamenov, G.S., Chaushev, T.A. October 2018. The positive effect of resveratrol on motility and DNA fragmentation of human spermatozoa during cryopreservation. Annual of Sofia University, Faculty of Biology 103(4): 22-28.

Stamenov, G.S., Parvanov, D.A., Ivanova, I., Rangelov, I.I., Nikolova, K., Nikolova, S., Vasileva, M., Chaushev, T.A. October 2018. Morphokinetic markers of human embryos as a predictor of early pregnancy loss. Journal of Assisted Reproduction and Genetics 2018(35):2103.

Stamenov, G.S., Parvanov, D.A., Nikolova, K., Vasileva, M., Chaushev, T.A. November 2018. Intrauterine administration of hCG before embryo transfer decreases the frequency of early pregnancy loss. Journal of Assisted Reproduction and Genetics 2018(35):2087-2106.

Stamenov, G.S., Parvanov, D.A., Vasileva, M., Nikolova, K., Chaushev, T.A. October 2017. Successful treatment with autologous human peripheral blood mononuclear cells in three women with displaced window of implantation. Journal of Assisted Reproduction and Genetics 34(10):1398.

Stamenov, G.S., Rangelov, I.I., Parvanov, D.A., Kaneva, R., Kachakova, D.L., Chaushev, T.A. October 2017. Three microRNAs in blastocyst culture medium as biomarkers for assessing the implantation potential of human embryos. Journal of Assisted Reproduction and Genetics 34(10):1397-1398. DOI:10.1007/s10815-017-1055-7.

Rangelov, I.I., Parvanov, D.A., Stamenov, G.S., Tzankova, G.I., Kachakova, D.L., Chaushev, T.A. September 2017. Micrornas in blastocyst culture medium as noninvasive biomarkers for assessing the implantation potential of human embryos. Fertility and Sterility 108(3): e83. DOI: 10.1016/j.fertnstert.2017.07.259

Stamenov, G.S., Parvanov, D.A., Chaushev, T.A. June 2017. Mixed double-embryo transfer: A promising approach for patients with repeated implantation failure. Clinical and Experimental Reproductive Medicine 44(2): 105. DOI: 10.5653/cerm.2017.44.2.105

Ganeva, R.R., Parvanov, D.A., Stamenov, G.S, Dzhambazov, B., Chaushev, T.A. June 2017. TNF-α expression of in-vitro cultured human endometrial stromal and epithelial cells. Annual of Sofia University, Faculty of Biology 102(4): 147-154.

Parvanov, D.A., Georgieva, V., Staykov, V., Stamenov, G.S., Chaushev, T.A. June 2017. Higher frequency of tail defects in human spermatozoa correspond to higher levels of DNA fragmentation. Annual of Sofia University, Faculty of Biology 102(4): 97-104.

Chaushev, T.A., Parvanov, D.A., Stamenov, G.S., Dzhambazov, B. June 2017. GnRH-I – a suitable biomarker for assessment of endometrial receptivity. Annual of Sofia University, Faculty of Biology 102(4): 155-161.

Georgieva, V., Parvanov, D.A., Taskudi, E.Z., Stamenov, G.S., Chaushev, T.A. June 2017. Relation between morphological defects in human spermatozoa and spontaneous abortions in patients undergoing ICSI. Annual of Sofia University, Faculty of Biology 102(4): 186-193.

Публикации - Неонатология

Р. Росманова, А. Вълкова, С. Хицова, А. Генчева, М. Йонов. Ентерално хранене на новородени недоносени деца с много ниско тегло при раждането – сравнителен анализ. Педиатрия, бр. 3, 1999 г.

П. Порожанова, С. Божинова, Д. Нанкова, А. Вълкова. Динамика на α1 – инхибитор на протеазата и α2 – макроглобулин при новородени с много-ниско тегло.  Акушерство и гинекология, бр. 3, 1998 г.

Р. Росманова, Е. Каньовска, М. Средкова, С. Хицова, А. Вълкова. Нозокомиален ENTEROBACTER – сепсис в неонатологично интензивно отделение – обзор. Акушерство и гинекология, бр. 3, 200.

A.Valkova, K.Kovacheva, R.Rosmanova, M.Simeonova. Pentalogy of Cantrell – rare cardiac malformation.

Conference proceedings of Second Eastern European Conference on Rare Diseases and Orphan Drugs, 8-9 September 2006, Plovdiv, 128-129.

Танчев, С., А. Вълкова, Р. Росманова, М. Караиванов, А. Недялков. Фетална-овариална киста – диагноза и терапевтично поведение. Акушерство  и гинекология, Vol. 45, 3, 2006, 53-57.

А. Вълкова, К. Ковачева, Р. Романова, М. Симеонова. Пенталогия на Cantrell – клиничен случай.

Акушерство и гинекология, Vol. 46, 2007, 6, 41-43.

Татарова С., Вълкова А., Попов Й. Фетална макрозомия – рискове за майката и плода по време на вагинално раждане. Акушерство и гинекология, Vol. 46, 2007, 9, 8-12.

Вълкова  А. Хемангиоми – класификация и лечениеАкушерство  и гинекология, Vol. 46, 1, 2007, 55-59.

Вълкова А, Ковачева К, Антонов А, Иванов П. Фактор V Leiden и C677T MTHFR генетични дефекти за тромбофилия съчетани с хиперфибриногенемия, персистиращ висок CRP и левкоцитоза у новородено с перинатална асфиксия. Акушерство и гинекология, Vol. 48, 2009, 4, 51-54.

Вълкова А., Ковачева К.,  Йонов М., Росманова Р., Атанасова В., Славкова Н., Иванов П. Надбъбречна хеморагия при новородено дете с фактор V Leiden – клиничен случай. Акушерство и гинекология, Vol 48, 2009, 5, 47-50.

Ковачева К., Симеонова М., Недкова В., Йонов М., Вълкова А., Атанасова В., Велкова А., Цанкова Г., Росманова Р. Вродени сърдечни аномалии (по данни от Регистър за вродени аномалии в Плевенски регион). Педиатрия, LI, 2011, 3, 40-43

Ковачева К., Симеонова М., Вълкова А., Атанасова В., Йонов М., Стойков С., Бързашки И., Росманова Р..

Диагноза и профилактика на дефектите на неврална тръба – Къде сме ние? (по данни от Регистър за вродени аномалии в Плевенски регион). Акушерство и гинекология, 50, 2011, 4, 30-34

Атанасова В., Н. Славкова, М. Йонов, Вълкова А. Неонатални проблеми на децата, родени след ин-витро фертилизация.  Акушерство  и гинекология,  2011;1:25-30.

Атанасова В., Славкова Н., Йонов М., Вълкова А. Ниска оценка по Апгар при доносени новородени деца и механизъм на   родоразрешение. Акушерство  и гинекология,  2012;3:15-21.

Участия в научни конференции - Репродуктивна медицина

Arsov K., Parvanov D., Ganeva R., Vidolova N., Stamenov G. November 2020. ASSOCIATION BETWEEN CD4+ AND CD8+ CELLS IN THE ENDOMETRIUM OF RIF PATIENTS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2020.

Ganeva R., Parvanov D., Stamenov G. November 2020. DETERMINATION OF INTERLEUKIN 6 (IL-6) SECRETED FROM PERIPHERAL BLOOD MONONUCLEAR CELLS (PBMC).  INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2020.

Handzhiyska M., Parvanov D., Ganeva R., Gogeva S., Tsonev P., Vaneva D., Dzagarov I., Taskudi E., Ivanova I., Jelezarski L., Georgieva V., Stamenov G. November 2020. ASSOCIATION BETWEEN HUMAN SPERM DEFECTS AND AGE. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2020.

Parvanov D., Ganeva R.,  Vidolova N., Stamenov G. October 2020. VARIATION IN THE PERCENTAGE OF ENDOMETRIAL P16-POSITIVE SENESCENT CELLS IN CONSECUTIVE MENSTRUAL CYCLES. Fertility and Sterility 114(3):E201  DOI: 10.1016/j.fertnstert.2020.08.572

Parvanov D., Ganeva R., Todorova M., Nikolova K., Vasileva M., Rangelov I., Scarpellini F., Stamenov G. October 2020. SHLA-G LEVELS IN FOLLICULAR FLUID ARE NOT ASSOCIATED WITH FOLLICULAR G-CSF CONCENTRATIONS IN WOMEN UNDERGOING IN VITRO FERTILIZATION. Fertility and Sterility 114(3):E313      DOI: 10.1016/j.fertnstert.2020.08.853

Ganeva R., Parvanov D., Nikolova K., Stamenov G. October 2020. OFFSPRING GENDER RATIO AFTER SPERM CO-INCUBATION WITH ENDOMETRIAL CELLS PRIOR IVF. Fertility and Sterility 114(3):E132  DOI: 10.1016/j.fertnstert.2020.08.391

Parvanov D., Ganeva R., Vidolova N., Vasileva M., Stoykov I., Scarpellini F., Stamenov G. October 2020. OVARIAN AUTOLOGOUS PLATELET-RICH PLASMA (PRP) TREATMENT IMPROVES OOCYTE AND EMBRYO QUALITY IN WOMEN WITH POOR OVARIAN RESPONSE. Fertility and Sterility 114(3):E452-E453  DOI: 10.1016/j.fertnstert.2020.08.1307

Ganeva R., Parvanov D., Vidolova N., Stamenov G. October 2020. ASSOCIATION BETWEEN THE PERCENTAGE OF P16-POSITIVE SENESCENT CELLS AND ESTROGEN AND PROGESTERONE RECEPTORS EXPRESSION IN HUMAN ENDOMETRIUM DURING THE MID-LUTEAL PHASE. Fertility and Sterility 114(3):E345  DOI: 10.1016/j.fertnstert.2020.08.1031

Ganeva R., Parvanov D., Vidolova N., Stoykov I., Stamenov G. October 2020. IN VITRO COLLAGEN CLEARANCE OF OVARIAN FIBROSIS TISSUE WITH PURIFIED COLLAGENASE I. Fertility and Sterility 114(3):E235-E236 DOI: 10.1016/j.fertnstert.2020.08.659

Ganeva R., Parvanov D., Gogeva S., Rangelov I., Stamenov G. October 2020. EFFECT OF CO-INCUBATION OF SPERMATOZOA WITH HUMAN ENDOMETRIAL CELLS ON ASSISTED REPRODUCTION OUTCOMES. Fertility and Sterility 114(3):E124 DOI: 10.1016/j.fertnstert.2020.08.370

Parvanov D., Ganeva R., Stamenov G. July 2020. RELATIONSHIP BETWEEN THE PERCENTAGE OF ENDOMETRIAL SENESCENT CELLS AND UTERINE NATURAL KILLERS (UNK) CELLS DURING THE MID-LUTEAL PHASE IN WOMEN WITH RECURRENT PREGNANCY FAILURE. European Society of Human Reproduction and Embryology “ESHRE” Volume: 35, Supp. 1 2020, Abstract book

Ganeva R., Parvanov D., Vaneva D., Vasileva M., Stamenov G. July 2020. ZONA PELLUCIDA SELECTS SPERMATOZOA WITH GOOD DNA FRAGMENTATION. European Society of Human Reproduction and Embryology “ESHRE” Volume: 35, Supp. 1 2020, Abstract book

Stamenov G., Scarpellini F., Nikolova D., Ganeva R., Nikolova K., Vasileva M., Rangelov I., Pancheva M., Sarafimova M., Staneva R., Hadjidekova S., Parvanov D. May 2020. HYPERGLYCOSYLATED HUMAN CHORIONIC GONADOTROPHIN (HCG-H) IN EMBRYO CULTURE MEDIA AS A BIOMARKER FOR ANEUPLOIDY DETECTION. 2nd International Summit on Assisted Reproduction DOI:10.13140/RG.2.2.14779.23841

Ganeva R., Parvanov D., Nikolova D., Vasileva M., Nikolova K., Stamenov G. November 2019. SPERM-ZONA ADHESION PROPERTIES ARE RELATED TO THE CONVENTIONAL SEMEN PARAMETERS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2019.

Parvanov D., Ganeva R., Nikolova D., Vidolova N., Stamenov G. November 2019. THE ASSOCIATION BETWEEN THE PRESENCE OF P16-POSITIVE CELLS IN HUMAN ENDOMENTRIUM DURING THE MID-LUTEAL PHASE AND WOMAN’S AGE. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2019.

Jelezarski L., Parvanov D., Georgieva V., Ganeva R., Stamenov G. November 2019. RELATIONSHIP BETWEEN SUPEROXIDE DISMUTASE ACTIVITY AND GLUTATHIONE PEROXIDASE ACTIVITY IN HUMAN SEMINAL PLASMA AND SPERMATOZOA. . INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2019.

Parvanov D., Nikolova D., Nikolova S., Georgieva V., Ivanova I., Ganeva R., Stamenov G. October 2019. SPERM DNA MATURITY IS ASSOCIATED WITH TIME-LAPSE VARIABLES OF HUMAN EMBRYOS. THIRD SEMINAR ON GENETICS WITH INTERNATIONAL PARTICIPATION ( SGIP) 

Ganeva R., Parvanov D., vasileva M., Nikolova K., Stamenov G. September 2019. HIGHERPREGNANCY RATES AFTER ZONA PELLUCIDA SPERM SELECTION. Fertility and Sterility  112(3):e280 DOI: 10.1016/j.fertnstert.2019.07.826

Parvanov D.,Nikolova D.,  Ganeva R., Nikolova K., Vasileva M., Rangelov I., Scarpellini F.,Stamenov G. September 2019. MATERNAL AGE AND BLASTOCYSTQUALITYDO NOT INFLUENCE THE EMBRYO PRODUCTION OF HYPERGLYCOSYLATED HUMAN CHORIONIC GONADOTROPIN. Fertility and Sterility  112(3):e130 DOI: 10.1016/j.fertnstert.2019.07.459

Parvanov D., Ganeva R., Vidolova N., penkova P., Tihomirova T., Stamenov G. September 2019.PROGESTERONE AND ESTRADIOL CONCENTRATIONS IN HUMAN ENDOMETRIUM DURING THE MID-LUTEAL PHASE OF THE MENSTRUAL CYCLE. Fertility and Sterility  112(3):e335 DOI: 10.1016/j.fertnstert.2019.07.966

Stamenov G., Nikolova K., Vasileva M., Rangelov I., Ganeva R., Pancheva M., Serafimova M., Staneva R., Hadjidekova S., Scarpellini F., Parvanov D. September 2019. HYPERGLYCOSYLATED HUMAN CHORIONIC GONADOTROPIN IN BLASTOCYST CULTURE MEDIUM OF MALE AND FEMALE HUMAN EMBRYOS. Fertility and Sterility 112(3):e126 DOI: 10.1016/j.fertnstert.2019.07.449

Ganeva R., Parvanov D., Nikolova K., Vasileva M., Shaban F., Stamenov G. September 2019. THE EXTRACELLULAR CUMULUS MATRIX DOUBLES THE SPERM ZONA-ADHESION IN NORMOZOOSPERMIC PATIENTS. Fertility and Sterility 112(3):e263 DOI: 10.1016/j.fertnstert.2019.07.792

Jelezarski L., Parvanov D., Georgieva V., Ganeva R., Stamenov G. September 2019. RELATIONSHIP AMONG INTRACELLULAR SUPEROXIDE DISMUTASE ACTIVITY, GLUTATHIONE PEROXIDASE ACTIVITY, MOTILITY AND MORPHOLOGY IN HUMAN SEMEN. Fertility and Sterility  1 112(3):e263-e264  DOI: 10.1016/j.fertnstert.2019.07.795

Vasileva M., Parvanov D., Nikolova K., Ganeva R., Stamenov G. September 2019. CERTAIN MORPHOLOGICAL CHARACTERISTICS OF THE SPERMATOZOON USED FOR INTRACYTOPLASMIC SPERM INJECTION (ICSI) ARE ASSOCIATED WITH A HIGHER LIKELIHOOD OF DEVELOPMENTAL ARREST AND EMBRYO DEGENERATION. Fertility and Sterility  112(3):e278 DOI:10.1016/j.fertnstert.2019.07.822

Parvanov D., Nikolova D., Ganeva R., Vidolova N., Stamenov G.September2019.PRESENCE OF P16-POSITIVE SENESCENT CELLS INHUMANENDOMETRIUM DURING THE MID-LUTEAL PHASE OF THEMENSTRUAL CYCLE. Fertility and Sterility  112(3):e315. DOI: 10.1016/j.fertnstert.2019.07.914

Gospodinova, M., Vasileva, M., Nikolova, K., Parvanov, D.A., Chaushev, T.A. November 2018. DEVELOPING A METHOD FOR SPERM SELECTION TROUGH CUMULUS LIGANDS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. MB and BT – 40.

Ganeva, R.R., Vasileva, M., Ibryamova, M., Nikolova, K., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. November 2018. METHOD FOR UTILIZATION OF SOLUBILIZED ZONAE PELLUCIDAE IN SPERM-ZONA ADHESION TEST. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. MB and BT – 49. 

Nikolova, S., Ibryamova, M., Ivanova, I., Nikolova, K., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. November 2018. IN-VITRO CULTURING OF HUMAN EMBRYOS. TIME-LAPSE TECHNOLOGIES AND EMBRYOSCOPE. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. 

Ibryamova, M., Nikolova, S., Parvanov, D.A., Ivanova, I., Rangelov, I., Stamenov, G.S., Chaushev, T.A. November 2018. THE ASSOCIATION BETWEEN FEMALE AGE AND TIME-LAPSE PARAMETERS OF SUCCESSFULLY IMPLANTED HUMAN EMBRYOS. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. MB and BT – 39.

Parvanov, D.A., Stoykov, I., Stamenov, G.S., Chaushev, T.A. November 2018.  RAPID PROTOCOL FOR PREPARING HUMAN ENDOMETRIAL MITOCHONDRIA FOR TRANSPLANTATION. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. MB and BT – 18.

Taskudi, E.Z., Hristova, B., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. November 2018. THE IMPACT OF STIMULATION ON VAGINAL MICROFLORA OF WOMEN UNDERGOING IVF TREATMENT. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. MB and BT – 20.

Nikolova, S., Ibryamova, M., Ivanova, I., Nikolova, K., Parvanov, D.A., Stamenov, G.S., Chaushev, T.A. November 2018. INFLUENCE OF BMI AND FSH ON MORPHOKINETICS OF HUMAN EMBRYOS IN WOMEN UNDERGOING IVF TREATMENT. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. MB and BT – 51.

Parvanov, D.A., Vidolova, N., Ganeva R., Stamenov, G.S., Chaushev, T.A. November 2018.  IMMUNOHISTOCHEMICAL SEARCH FOR AGE-RELATED ZOMBIE CELLS IN HUMAN ENDOMETRIUM. INTERNATIONAL SCIENTIFIC CONFERENCE “KLIMENT’S DAYS” 2018. MB and BT – 17.

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