Alfredo Halpern

8.7k total citations · 1 hit paper
138 papers, 5.6k citations indexed

About

Alfredo Halpern is a scholar working on Endocrinology, Diabetes and Metabolism, Physiology and Pharmacology. According to data from OpenAlex, Alfredo Halpern has authored 138 papers receiving a total of 5.6k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Endocrinology, Diabetes and Metabolism, 44 papers in Physiology and 32 papers in Pharmacology. Recurrent topics in Alfredo Halpern's work include Pharmacology and Obesity Treatment (31 papers), Diet and metabolism studies (28 papers) and Diabetes Treatment and Management (25 papers). Alfredo Halpern is often cited by papers focused on Pharmacology and Obesity Treatment (31 papers), Diet and metabolism studies (28 papers) and Diabetes Treatment and Management (25 papers). Alfredo Halpern collaborates with scholars based in Brazil, Mexico and United States. Alfredo Halpern's co-authors include Márcio C. Mancini, Frank L. Greenway, Carel W. le Roux, John Wilding, Arne Astrup, Ken Fujioka, Rafael Violante Ortíz, David C.W. Lau, Michel Krempf and F. Xavier Pi‐Sunyer and has published in prestigious journals such as New England Journal of Medicine, Circulation and SHILAP Revista de lepidopterología.

In The Last Decade

Alfredo Halpern

134 papers receiving 5.3k 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.

A Randomized, Controlled Trial of 3.0 mg of Liraglutide in Weight Management

2015 1.8k citations Alfredo Halpern et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Alfredo Halpern Brazil	37	2.3k	2.1k	1.6k	1.5k	681	138	5.6k
David C.W. Lau Canada	33	2.9k 1.2×	2.4k 1.1×	1.2k 0.7×	2.5k 1.6×	1.0k 1.5×	98	6.7k
Christopher D. Still United States	43	1.7k 0.7×	2.5k 1.2×	2.7k 1.7×	1.2k 0.7×	1.2k 1.7×	162	6.9k
Olivier Ziegler France	30	1.2k 0.5×	1.1k 0.5×	1.0k 0.7×	1.5k 0.9×	476 0.7×	145	4.1k
Ajay Chaudhuri United States	44	3.8k 1.6×	1.6k 0.7×	1.0k 0.6×	1.1k 0.7×	1.6k 2.3×	103	7.6k
Antonio E. Pontiroli Italy	42	2.3k 1.0×	1.6k 0.8×	2.3k 1.5×	396 0.3×	960 1.4×	217	5.9k
Nick Finer United Kingdom	52	3.1k 1.3×	3.8k 1.8×	2.5k 1.6×	3.2k 2.1×	1.0k 1.5×	191	9.9k
Naftali Stern Israel	44	2.6k 1.1×	1.7k 0.8×	923 0.6×	401 0.3×	1.2k 1.8×	261	7.1k
Leigh Perreault United States	40	3.0k 1.3×	2.1k 1.0×	854 0.5×	774 0.5×	1.7k 2.5×	102	6.4k
John P. Bantle United States	35	3.4k 1.4×	3.3k 1.6×	3.3k 2.1×	631 0.4×	692 1.0×	78	7.2k
Donald D. Hensrud United States	32	874 0.4×	1.9k 0.9×	746 0.5×	907 0.6×	375 0.6×	75	5.6k

Countries citing papers authored by Alfredo Halpern

Since Specialization

Citations

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

Fields of papers citing papers by Alfredo Halpern

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Alfredo Halpern

This figure shows the co-authorship network connecting the top 25 collaborators of Alfredo Halpern. A scholar is included among the top collaborators of Alfredo Halpern 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 Alfredo Halpern. Alfredo Halpern 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

Halpern, Bruno & Alfredo Halpern. (2015). Safety assessment of FDA-approved (orlistat and lorcaserin) anti-obesity medications. Expert Opinion on Drug Safety. 14(2). 305–315. 34 indexed citations

Pires, Paula Maciel, et al.. (2014). Obesidade na mulher. RBM. Revista brasileira de medicina. 71. 5–13.

Moura, Eduardo Guimarães Hourneaux de, Bruno da Costa Martins, Guilherme Santoro‐Lopes, et al.. (2011). Metabolic Improvements in Obese Type 2 Diabetes Subjects Implanted for 1 Year with an Endoscopically Deployed Duodenal–Jejunal Bypass Liner. Diabetes Technology & Therapeutics. 14(2). 183–189. 86 indexed citations

Moura, Eduardo Guimarães Hourneaux de, Bruno da Costa Martins, Manoel Galvão Neto, et al.. (2011). Improvement of Insulin Resistance and Reduction of Cardiovascular Risk Among Obese Patients with Type 2 Diabetes with the Duodenojejunal Bypass Liner. Obesity Surgery. 21(7). 941–947. 34 indexed citations

Cercato, Cíntia, et al.. (2009). A randomized double-blind placebo-controlled study of the long-term efficacy and safety of diethylpropion in the treatment of obese subjects. International Journal of Obesity. 33(8). 857–865. 71 indexed citations

Srougi, Miguel, et al.. (2009). Body Composition Alterations, Energy Expenditure and Fat Oxidation in Elderly Males Suffering from Prostate Cancer, Pre and Post Orchiectomy. Clinics. 64(8). 781–784. 13 indexed citations

Stival, Alessandro R., et al.. (2009). Prospective randomized controlled trial comparing 2 versions of laparoscopic ileal interposition associated with sleeve gastrectomy for patients with type 2 diabetes with BMI 21–34 kg/m2. Surgery for Obesity and Related Diseases. 6(3). 296–304. 51 indexed citations

Pajecki, Dênis, et al.. (2008). Calcium Intake and Metabolic Bone Disease after Eight Years of Roux-en-Y Gastric Bypass. Obesity Surgery. 18(4). 386–90. 35 indexed citations

DePaula, Aureo L., A. L. V. Macedo, Nelson Rassi, et al.. (2008). Laparoscopic treatment of metabolic syndrome in patients with type 2 diabetes mellitus. Surgical Endoscopy. 22(12). 2670–2678. 55 indexed citations

10.

Cercato, Cíntia, et al.. (2008). Obesity and obstructive sleep apnea‐hypopnea syndrome. Obesity Reviews. 9(4). 340–354. 70 indexed citations

11.

Marcondes, José Antônio Miguel, et al.. (2007). Metformin in normal-weight hirsute women with polycystic ovary syndrome with normal insulin sensitivity. Gynecological Endocrinology. 23(5). 273–278. 22 indexed citations

12.

Pajecki, Dênis, Cláudia P. Oliveira, Bruno Zilberstein, et al.. (2007). Follow-up of Roux-en-Y Gastric Bypass Patients at 5 or more Years Postoperatively. Obesity Surgery. 17(5). 601–7. 68 indexed citations

13.

Lourenço, Bárbara Hatzlhoffer, et al.. (2007). Binge eating symptoms, diet composition and metabolic characteristics of obese children and adolescents. Appetite. 50(2-3). 223–230. 21 indexed citations

14.

Mancini, Márcio C., et al.. (2005). Prevalence of Subclinical Hypothyroidism in a Morbidly Obese Population and Improvement after Weight Loss Induced by Roux-en-Y Gastric Bypass. Obesity Surgery. 15(9). 1287–1291. 99 indexed citations

15.

Almeida, Madson Q., Cíntia Cercato, Mitsunori Matsuda, et al.. (2005). Results of Biliopancreatic Diversion in Two Patients with Prader-Willi Syndrome. Obesity Surgery. 15(6). 901–904. 15 indexed citations

16.

Trombetta, Ivani C., L. T. Batalha, Maria Urbana Pinto Brandão Rondon, et al.. (2005). Gly¹⁶ + Glu²⁷ β₂-adrenoceptor polymorphisms cause increased forearm blood flow responses to mental stress and handgrip in humans. Journal of Applied Physiology. 98(3). 787–794. 39 indexed citations

17.

Halpern, Alfredo & Mario Mancini. (2000). Obesity in women.. RBM. Revista brasileira de medicina. 57(5). 343–353. 1 indexed citations

18.

Cavaliere, H., et al.. (2000). Decreased androgen levels in massively obese men may be associated with impaired function of the gonadostat. International Journal of Obesity. 24(11). 1433–1437. 93 indexed citations

19.

Pereira, Maria Adelaide A., Alfredo Halpern, Luiz Roberto Salgado, et al.. (1998). A study of patients with Nelson's syndrome. Clinical Endocrinology. 49(4). 533–539. 60 indexed citations

20.

Halpern, Alfredo. (1995). Fisiopatologia da obesidade. Arquivos Brasileiros de Endocrinologia & Metabologia. 2 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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