Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2005 1
2006 1
2007 2
2009 2
2011 5
2012 9
2013 4
2014 3
2015 2
2017 1
2018 3
2019 1
2020 1
2022 1
2023 6
2024 0

Text availability

Article attribute

Article type

Publication date

Search Results

37 results

Results by year

Filters applied: . Clear all
Page 1
Did you mean p nikitin[Author] (557 results)?
Different Vestibular Rehabilitation Modalities in Unilateral Vestibular Hypofunction: A Prospective Study.
Lilios A, Chimona T, Papadakis C, Chatziioanou I, Nikitas C, Skoulakis C. Lilios A, et al. Among authors: nikitas c. Otol Neurotol. 2023 Apr 1;44(4):e246-e255. doi: 10.1097/MAO.0000000000003836. Epub 2023 Feb 16. Otol Neurotol. 2023. PMID: 36946364 Clinical Trial.

RESULTS: FGA and Mini-BESTest scores showed significant improvement between the baseline and 8-week scores in all groups (p < 0.001), except for the FGA score in the HE group. The AE-HE group showed better scores for all measurements at 4 weeks and had significantly bet

…

RESULTS: FGA and Mini-BESTest scores showed significant improvement between the baseline and 8-week scores in all groups (p < 0.00

…
Prostate-Specific Antigen Response to Androgen Deprivation Therapy in the Neoadjuvant Setting for High-Risk Prostate Adenocarcinoma (PIRANHA): Pooled Analysis of Two Randomized Clinical Trials.
Nikitas J, Ong WL, Carrier N, Romero T, Millar J, Steinberg ML, Rettig MB, Boutros PC, Reiter R, Nickols NG, Valle L, McGuire SE, Spratt DE, Souhami L, Roy S, Martin JM, Joseph D, Nabid A, Kishan AU. Nikitas J, et al. Int J Radiat Oncol Biol Phys. 2023 Dec 25:S0360-3016(23)08259-7. doi: 10.1016/j.ijrobp.2023.12.022. Online ahead of print. Int J Radiat Oncol Biol Phys. 2023. PMID: 38151191
Poor PSA response was associated with significantly worse metastasis-free survival (hazard ratio [HR], 3.93; P = .02), worse biochemical recurrence (subdistribution HR, 2.39; P = .003), worse prostate-cancer specific mortality (subdistribution HR, 1.50; P = . …
Poor PSA response was associated with significantly worse metastasis-free survival (hazard ratio [HR], 3.93; P = .02), worse biochemi …
Simple algorithms for fitting and optimisation for multilinear gradient elution in reversed-phase liquid chromatography.
Nikitas P, Pappa-Louisi A, Papageorgiou A. Nikitas P, et al. J Chromatogr A. 2007 Jul 20;1157(1-2):178-86. doi: 10.1016/j.chroma.2007.04.059. Epub 2007 May 1. J Chromatogr A. 2007. PMID: 17498723
The theory of the multilinear gradient elution in reversed-phase liquid chromatography (RP-HPLC) presented in [P. Nikitas, A. Pappa-Louisi, P. Agrafiotou, J. Chromatogr. A 1120 (2006) 299] is modified to increase its flexibility. ...
The theory of the multilinear gradient elution in reversed-phase liquid chromatography (RP-HPLC) presented in [P. Nikitas, A. Pappa-L …
Stereotactic Body Radiotherapy for Early-Stage Multiple Primary Lung Cancers.
Nikitas J, DeWees T, Rehman S, Abraham C, Bradley J, Robinson C, Roach M. Nikitas J, et al. Clin Lung Cancer. 2019 Mar;20(2):107-116. doi: 10.1016/j.cllc.2018.10.010. Epub 2018 Nov 3. Clin Lung Cancer. 2019. PMID: 30477740 Free PMC article.

Compared to single-course patients, patients receiving metachronous SBRT alone and patients receiving surgery and metachronous SBRT had improved OS (79.7% [95% CI, 64.4-88.9%], P < .0001 and 95.4% [95% CI, 89.2-98.0%], P < .0001, respectively) and FFP (85.8% [

…
Compared to single-course patients, patients receiving metachronous SBRT alone and patients receiving surgery and metachronous SBRT had impr …
Multilinear gradient elution optimisation in reversed-phase liquid chromatography using genetic algorithms.
Nikitas P, Pappa-Louisi A, Agrafiotou P. Nikitas P, et al. J Chromatogr A. 2006 Jul 7;1120(1-2):299-307. doi: 10.1016/j.chroma.2006.01.005. Epub 2006 Jan 19. J Chromatogr A. 2006. PMID: 16426624
The treatment presented in a recent paper [P. Nikitas, A. Pappa-Louisi, J. Chromatogr. A, 1068 (2005) 279] is extended to multilinear gradients, i.e. continuous gradients consisting of a certain number of linear portions. ...
The treatment presented in a recent paper [P. Nikitas, A. Pappa-Louisi, J. Chromatogr. A, 1068 (2005) 279] is extended to multilinear …
Head mounted display effect on vestibular rehabilitation exercises performance.
Nikitas C, Kikidis D, Pardalis A, Tsoukatos M, Papadopoulou S, Bibas A, Bamiou DE. Nikitas C, et al. J Frailty Sarcopenia Falls. 2023 Jun 1;8(2):66-73. doi: 10.22540/JFSF-08-066. eCollection 2023 Jun. J Frailty Sarcopenia Falls. 2023. PMID: 37275662 Free PMC article.
RESULTS: Statistically significant difference was obtained only in the frequency of head movements in the yaw plane during the execution of a vestibular adaptation exercise by healthy adults (0.97 Hz; 95% CI=(0.56, 1.39), p<0.001). In terms of difficulty in exercise exe …
RESULTS: Statistically significant difference was obtained only in the frequency of head movements in the yaw plane during the execution of …
Long-Term Quality-of-Life Outcomes After Prostate Radiation Therapy With or Without High-Dose-Rate Brachytherapy Boost: Post Hoc Analysis of TROG 03.04 RADAR.
Ong WL, Nikitas J, Joseph D, Steigler A, Millar J, Valle L, Steinberg ML, Ma TM, Reiter RE, Rettig MB, Nickols NG, Chang A, Zaorsky NG, Spratt DE, Romero T, Kishan AU. Ong WL, et al. Among authors: nikitas j. Int J Radiat Oncol Biol Phys. 2023 Oct 4:S0360-3016(23)07972-5. doi: 10.1016/j.ijrobp.2023.09.051. Online ahead of print. Int J Radiat Oncol Biol Phys. 2023. PMID: 37802226

RESULTS: At 5, 17, and 29 months after radiation therapy, the EBRT+BT group had 2.5 times (95% confidence interval [CI], 1.4-4.2; P < .001), 2.9 times (95% CI, 1.7-4.9; P < .001), and 2.6 times (95% CI, 1.4-4.6; P = .002) greater odds of reporting 2 MCI

…
RESULTS: At 5, 17, and 29 months after radiation therapy, the EBRT+BT group had 2.5 times (95% confidence interval [CI], 1.4-4.2; P & …
Translation and validation of the dizziness handicap inventory in Greek language.
Nikitas C, Kikidis D, Katsinis S, Kyrodimos E, Bibas A. Nikitas C, et al. Int J Audiol. 2017 Dec;56(12):936-941. doi: 10.1080/14992027.2017.1370559. Epub 2017 Aug 30. Int J Audiol. 2017. PMID: 28854827
Internal consistency was estimated using Cronbach's alpha for the DHI, physical (DHI-P), functional (DHI-F) and emotional (DHI-E) subscale scores. Correlation between DHI (total and subscales) and the SOT (sensory organisation test) as well as correlation between the DHI a …
Internal consistency was estimated using Cronbach's alpha for the DHI, physical (DHI-P), functional (DHI-F) and emotional (DHI-E) sub …
A Novel Non-invasive Index of Cardiopulmonary Reserve for the Prediction of Failure of Weaning From Mechanical Ventilation.
Nikitas GT, Kykalos S, Ntikoudi E, Vasileiadis I, Koutsoukou A, Nikiteas NI. Nikitas GT, et al. Cureus. 2022 Jul 22;14(7):e27150. doi: 10.7759/cureus.27150. eCollection 2022 Jul. Cureus. 2022. PMID: 36004025 Free PMC article.
RESULTS: Mod-RER index increased significantly only in failed trials and receiver operating characteristic (ROC) analysis for prediction of outcome based on Mod-RER index change had an area under the curve (AUC) 0.80 (p<0.001). Mod-RER change exhibited the highest sensi …
RESULTS: Mod-RER index increased significantly only in failed trials and receiver operating characteristic (ROC) analysis for prediction of …
Microdialysis-assessed interstitium alterations during sepsis: relationship to stage, infection, and pathogen.
Kopterides P, Nikitas N, Vassiliadi D, Orfanos SE, Theodorakopoulou M, Ilias I, Boutati E, Dimitriadis G, Maratou E, Diamantakis A, Armaganidis A, Ungerstedt U, Dimopoulou I. Kopterides P, et al. Among authors: nikitas n. Intensive Care Med. 2011 Nov;37(11):1756-64. doi: 10.1007/s00134-011-2336-8. Epub 2011 Aug 17. Intensive Care Med. 2011. PMID: 21847648
RESULTS: During the study period, patients with septic shock had higher MD-assessed glycerol (P = 0.009), glycerol gradient (P = 0.016), and glucose (P = 0.004) than patients with severe sepsis, whereas tissue lactate, lactate gradient, and pyruvate dropped s …
RESULTS: During the study period, patients with septic shock had higher MD-assessed glycerol (P = 0.009), glycerol gradient (P …
37 results