John Andrejack

437 total citations
9 papers, 258 citations indexed

About

John Andrejack is a scholar working on Neurology, Economics and Econometrics and Pharmacology. According to data from OpenAlex, John Andrejack has authored 9 papers receiving a total of 258 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Neurology, 4 papers in Economics and Econometrics and 1 paper in Pharmacology. Recurrent topics in John Andrejack's work include Parkinson's Disease Mechanisms and Treatments (7 papers), Neurological disorders and treatments (4 papers) and Health Systems, Economic Evaluations, Quality of Life (4 papers). John Andrejack is often cited by papers focused on Parkinson's Disease Mechanisms and Treatments (7 papers), Neurological disorders and treatments (4 papers) and Health Systems, Economic Evaluations, Quality of Life (4 papers). John Andrejack collaborates with scholars based in United States, United Kingdom and Belgium. John Andrejack's co-authors include Soania Mathur, Bastiaan R. Bloem, Emily J. Henderson, Michael S. Okun, Njideka Okubadejo, Marten Munneke, Piu Chan, E. Ray Dorsey, Sirwan K.L. Darweesh and Daniel R. Gold and has published in prestigious journals such as Neurology, The Lancet Neurology and Analytica Chimica Acta.

In The Last Decade

John Andrejack

9 papers receiving 256 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
John Andrejack United States	6	169	42	41	36	34	9	258
N. G. A. Spliethoff‐Kamminga Netherlands	9	240 1.4×	41 1.0×	72 1.8×	51 1.4×	26 0.8×	9	366
Annette Hand United Kingdom	10	167 1.0×	16 0.4×	54 1.3×	13 0.4×	35 1.0×	30	277
Jesús de Pedro Spain	8	188 1.1×	16 0.4×	50 1.2×	23 0.6×	40 1.2×	13	270
Thomas Hoppitt United Kingdom	9	53 0.3×	30 0.7×	61 1.5×	9 0.3×	53 1.6×	12	267
Koray Onuk United States	11	443 2.6×	30 0.7×	17 0.4×	102 2.8×	8 0.2×	19	466
Anouk van der Heide Netherlands	6	172 1.0×	6 0.1×	28 0.7×	37 1.0×	14 0.4×	10	245
Joyce Gordon Canada	2	116 0.7×	14 0.3×	74 1.8×	14 0.4×	10 0.3×	3	203
Kristina Rosqvist Sweden	10	228 1.3×	16 0.4×	60 1.5×	20 0.6×	7 0.2×	19	268
Jürgen Rieke Germany	5	210 1.2×	71 1.7×	76 1.9×	26 0.7×	36 1.1×	7	317
Cláudia S. Porto Brazil	7	35 0.2×	19 0.5×	239 5.8×	73 2.0×	64 1.9×	13	355

Countries citing papers authored by John Andrejack

Since Specialization

Citations

This map shows the geographic impact of John Andrejack'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 Andrejack with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John Andrejack more than expected).

Fields of papers citing papers by John Andrejack

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John Andrejack. 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 Andrejack. The network helps show where John Andrejack may publish in the future.

Co-authorship network of co-authors of John Andrejack

This figure shows the co-authorship network connecting the top 25 collaborators of John Andrejack. A scholar is included among the top collaborators of John Andrejack 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 Andrejack. John Andrejack is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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9 of 9 papers shown

Morel, Thomas, et al.. (2023). The value of co-creating a clinical outcome assessment strategy for clinical trial research: process and lessons learnt. Research Involvement and Engagement. 9(1). 98–98. 5 indexed citations

Cleanthous, Sophie, John Andrejack, William S. Brooks, et al.. (2023). Plain language summary: what symptoms should be measured in clinical studies for early-stage Parkinson's?. Future Neurology. 18(1). 1 indexed citations

Morel, Thomas, Sophie Cleanthous, John Andrejack, et al.. (2023). Development and early qualitative evidence of two novel patient-reported outcome instruments to assess daily functioning in people with early-stage Parkinson’s. Journal of Patient-Reported Outcomes. 7(1). 40–40. 7 indexed citations

Morel, Thomas, Sophie Cleanthous, John Andrejack, et al.. (2022). Patient Experience in Early-Stage Parkinson’s Disease: Using a Mixed Methods Analysis to Identify Which Concepts Are Cardinal for Clinical Trial Outcome Assessment. Neurology and Therapy. 11(3). 1319–1340. 16 indexed citations

Morel, Thomas, Sophie Cleanthous, John Andrejack, et al.. (2022). Outcome Assessment in Early-Stage Parkinson’s Disease (PD) Clinical Trials: Are Legacy Patient-Reported Outcome (PRO) Instruments Fit for Purpose (P1-1.Virtual). Neurology. 98(18_supplement). 2 indexed citations

Andrejack, John & Soania Mathur. (2020). What People with Parkinson’s Disease Want. Journal of Parkinson s Disease. 10(s1). S5–S10. 35 indexed citations

Bloem, Bastiaan R., Emily J. Henderson, E. Ray Dorsey, et al.. (2020). Integrated and patient-centred management of Parkinson's disease: a network model for reshaping chronic neurological care. The Lancet Neurology. 19(7). 623–634. 129 indexed citations

Radder, Danique L. M., Nienke M. de Vries, Niels P. Riksen, et al.. (2018). Multidisciplinary care for people with Parkinson’s disease: the new kids on the block!. Expert Review of Neurotherapeutics. 19(2). 145–157. 49 indexed citations

Andrejack, John, et al.. (1969). 2,3-Naphthotriazole as a gravimetric, spectrophotometric, and fluorimetric reagent for the determination of silver. Analytica Chimica Acta. 46(2). 239–245. 14 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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