K. N. Roy Chengappa, MD, MRCPsych

JCP
Original Research

February 1, 2022

Therapeutic options for treatment-resistant bipolar depression (TRBD) are limited. Since insulin resistance (IR) increases risk of TRBD, this study examined if the insulin sensitizer metformin reversed IR and improved...
Cynthia V. Calkin, K. N. Roy Chengappa, Kathleen Cairns, et al
JCP
Original Research

July 10, 2018

Read a study on how a extract of Ashwagandha (Withania somnifera), when added to antipsychotic medications to patients with schizophrenia.
K. N. Roy Chengappa, Jaspreet S. Brar, Jessica M. Gannon, et al
JCP
Original Research

November 21, 2017

Anticholinergic medications, which are often taken by individuals with schizophrenia to counter antipsychotic-induced extrapyramidal symptoms, can themselves cause burdensome side effects. Read this article to learn the results of...
Ana M. Lupu, Kimberly Clinebell, Jessica M. Gannon, et al
JCP
Letter to the Editor

May 27, 2015

K. N. Roy Chengappa, Kenneth A. Perkins, Jaspreet S. Brar, et al
JCP
Original Research

June 10, 2014

K. N. Roy Chengappa, Kenneth A. Perkins, Jaspreet S. Brar, et al
JCP
Original Research

November 15, 2013

K. N. Roy Chengappa, Christopher R. Bowie, Patricia J. Schlicht, et al
PCC
Letter to the Editor

February 9, 2012

Abdulkader Alam, Jodie Bryk, K. N. Roy Chengappa
JCP
Original Research

November 15, 2006

K. N. Roy Chengappa, Lesley K. Schwarzman, Joseph F. Hulihan, et al
JCP
Article

June 1, 2003

K. N. Roy Chengappa
JCP
Original Research

July 1, 2001

K. N. Roy Chengappa, Radha K. Kambhampati, Kenneth Perkins, et al
JCP
Letter to the Editor

September 30, 2000

Joseph Levine, K. N. Roy Chengappa, Haranath Parepally
JCP
Article

July 31, 2000

Alfred P. Sylvester, Benoit H. Mulsant, K. N. Roy Chengappa, et al

Celebrating
85 Years

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