John Zajecka

10.7k total citations · 1 hit paper
91 papers, 6.0k citations indexed

About

John Zajecka is a scholar working on Pharmacology, Psychiatry and Mental health and Experimental and Cognitive Psychology. According to data from OpenAlex, John Zajecka has authored 91 papers receiving a total of 6.0k indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Pharmacology, 44 papers in Psychiatry and Mental health and 13 papers in Experimental and Cognitive Psychology. Recurrent topics in John Zajecka's work include Treatment of Major Depression (54 papers), Electroconvulsive Therapy Studies (20 papers) and Bipolar Disorder and Treatment (16 papers). John Zajecka is often cited by papers focused on Treatment of Major Depression (54 papers), Electroconvulsive Therapy Studies (20 papers) and Bipolar Disorder and Treatment (16 papers). John Zajecka collaborates with scholars based in United States, Canada and Germany. John Zajecka's co-authors include Robert M. A. Hirschfeld, Susan L. McElroy, Roy H. Perlis, Joseph R. Calabrese, Lydia Lewis, Laurie M. Flynn, Janet B. W. Williams, James M. Russell, Robert M. Post and Robert L. Spitzer and has published in prestigious journals such as American Journal of Psychiatry, Biological Psychiatry and Neuropsychopharmacology.

In The Last Decade

John Zajecka

85 papers receiving 5.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Development and Validation of a Screening Instrument for Bipolar Spectrum Disorder: The Mood Disorder Questionnaire

2000 1.1k citations Robert M. A. Hirschfeld, John Zajecka et al. American Journal of Psychiatry profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
John Zajecka United States	42	3.0k	2.0k	1.3k	1.0k	773	91	6.0k
Pascal Sienaert Belgium	37	3.3k 1.1×	2.1k 1.0×	964 0.8×	715 0.7×	754 1.0×	192	5.7k
Roumen Milev Canada	38	2.6k 0.9×	2.0k 1.0×	1.3k 1.0×	1.2k 1.1×	1.1k 1.4×	184	7.1k
A. Carlo Altamura Italy	40	2.9k 1.0×	975 0.5×	1.3k 1.1×	523 0.5×	616 0.8×	173	5.2k
Enric Álvarez Spain	44	1.7k 0.6×	1.2k 0.6×	1.7k 1.4×	641 0.6×	517 0.7×	173	5.4k
Alan J. Gelenberg United States	49	3.5k 1.2×	2.7k 1.3×	1.8k 1.4×	1.7k 1.6×	867 1.1×	158	8.7k
Joanna K. Soczynska Canada	43	2.8k 0.9×	985 0.5×	925 0.7×	662 0.6×	1.6k 2.1×	82	5.8k
Anthony J. Rothschild United States	44	2.5k 0.8×	2.0k 1.0×	922 0.7×	802 0.8×	1.0k 1.3×	176	5.7k
Steven P. Roose United States	55	3.1k 1.0×	2.5k 1.2×	2.4k 2.0×	1.4k 1.4×	522 0.7×	268	9.9k
Ranga Krishnan United States	46	1.5k 0.5×	915 0.5×	1.0k 0.8×	960 0.9×	1.2k 1.6×	117	7.6k
Anthony Levitt Canada	46	2.4k 0.8×	1.4k 0.7×	2.6k 2.1×	1.4k 1.4×	734 0.9×	178	7.0k

Countries citing papers authored by John Zajecka

Since Specialization

Citations

This map shows the geographic impact of John Zajecka's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John Zajecka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Zajecka more than expected).

Fields of papers citing papers by John Zajecka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Zajecka. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John Zajecka. The network helps show where John Zajecka may publish in the future.

Co-authorship network of co-authors of John Zajecka

This figure shows the co-authorship network connecting the top 25 collaborators of John Zajecka. A scholar is included among the top collaborators of John Zajecka based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with John Zajecka. John Zajecka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Zajecka, John, Arielle D. Stanford, Aslı Memişoğlu, William Martin, & Sanjeev Pathak. (2019). <p>Buprenorphine/samidorphan combination for the adjunctive treatment of major depressive disorder: results of a phase III clinical trial (FORWARD-3)</p>. Neuropsychiatric Disease and Treatment. Volume 15. 795–808. 23 indexed citations

Sanacora, Gerard, Michael R. Johnson, Arif Khan, et al.. (2016). Adjunctive Lanicemine (AZD6765) in Patients with Major Depressive Disorder and History of Inadequate Response to Antidepressants: A Randomized, Placebo-Controlled Study. Neuropsychopharmacology. 42(4). 844–853. 89 indexed citations

Zajecka, John, et al.. (2016). Long-Term Efficacy, Safety, and Tolerability of <span style="font-variant:small-caps; "> l</span>-Methylfolate Calcium 15 mg as Adjunctive Therapy With Selective Serotonin Reuptake Inhibitors. The Journal of Clinical Psychiatry. 77(5). 654–660. 20 indexed citations

Shelton, Richard C., et al.. (2015). The pro-inflammatory profile of depressed patients is (partly) related to obesity. Journal of Psychiatric Research. 70. 91–97. 50 indexed citations

Shelton, Richard C., Michael Pencina, Juan Ruiz, et al.. (2015). Association of Obesity and Inflammatory Marker Levels on Treatment Outcome. The Journal of Clinical Psychiatry. 76(12). 1635–1641. 46 indexed citations

Zajecka, John. (2013). Residual Symptoms and Relapse. The Journal of Clinical Psychiatry. 74(suppl 2). 9–13. 31 indexed citations

Papakostas, George I., Richard C. Shelton, John Zajecka, et al.. (2012). l -Methylfolate as Adjunctive Therapy for SSRI-Resistant Major Depression: Results of Two Randomized, Double-Blind, Parallel-Sequential Trials. American Journal of Psychiatry. 169(12). 1267–1274. 182 indexed citations

Trivedi, Madhukar H., David L. Dünner, Susan G. Kornstein, et al.. (2010). Psychosocial outcomes in patients with recurrent major depressive disorder during 2 years of maintenance treatment with venlafaxine extended release. Journal of Affective Disorders. 126(3). 420–429. 34 indexed citations

Zajecka, John. (2007). Augmentation strategies to increase antidepressant tolerability.. PubMed. 68 Suppl 10. 23–7. 8 indexed citations

10.

Kocsis, James H., Michael E. Thase, Madhukar H. Trivedi, et al.. (2007). Prevention of Recurrent Episodes of Depression With Venlafaxine ER in a 1-Year Maintenance Phase From the PREVENT Study. The Journal of Clinical Psychiatry. 68(7). 1014–1023. 46 indexed citations

11.

Raison, Charles L., Bobbi J. Woolwine, Andrey Borisov, et al.. (2007). Paroxetine for prevention of depressive symptoms induced by interferon‐alpha and ribavirin for hepatitis C. Alimentary Pharmacology & Therapeutics. 25(10). 1163–1174. 114 indexed citations

12.

Shelton, Richard C., Kirsten Haman, Mark Hyman Rapaport, et al.. (2006). A Randomized, Double-Blind, Active-Control Study of Sertraline Versus Venlafaxine XR in Major Depressive Disorder. The Journal of Clinical Psychiatry. 67(11). 1674–1681. 39 indexed citations

13.

Rush, A. John, Lauren B. Marangell, Harold A. Sackeïm, et al.. (2005). Vagus Nerve Stimulation for Treatment-Resistant\nDepression: A Randomized, Controlled Acute\nPhase Trial. Insecta mundi. 416 indexed citations

14.

Rush, A. John, Lauren B. Marangell, Harold A. Sackeïm, et al.. (2005). Vagus Nerve Stimulation for Treatment-Resistant Depression: A Randomized, Controlled Acute Phase Trial. Biological Psychiatry. 58(5). 347–354. 18 indexed citations

15.

Rao, Deepa, et al.. (2005). The Modified Rush Sexual Inventory: Preliminary psychometric findings. Psychiatry Research. 137(3). 175–181. 8 indexed citations

16.

Zajecka, John, et al.. (2004). SNRIs in the management of acute major depressive disorder.. PubMed. 65 Suppl 17. 11–8. 23 indexed citations

17.

Zajecka, John, Jan Fawcett, Jay D. Amsterdam, et al.. (1998). Safety of Abrupt Discontinuation of Fluoxetine. Journal of Clinical Psychopharmacology. 18(3). 193–197. 58 indexed citations

18.

Reimherr, Frederick W., Jay D. Amsterdam, Frederic M. Quitkin, et al.. (1998). Optimal Length of Continuation Therapy in Depression: A Prospective Assessment During Long-Term Fluoxetine Treatment. American Journal of Psychiatry. 155(9). 1247–1253. 151 indexed citations

19.

Schatzberg, Alan F., Peter Haddad, Michel Lejoyeux, et al.. (1997). Serotonin Reuptake Inhibitor Discontinuation Syndrome: A Hypothetical Definition. The Journal of Clinical Psychiatry. 58. 5–10. 62 indexed citations

20.

Schatzberg, Alan F., Peter Haddad, Michel Lejoyeux, et al.. (1997). Possible Biological Mechanisms of the Serotonin Reuptake Inhibitor Discontinuation Syndrome. The Journal of Clinical Psychiatry. 58. 23–27. 52 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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