Clinical Hematology

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Overview

Anatomy

Department of Clinical Haematology & Bone Marrow Transplant St. John’s Medical College Hospital, Bengaluru

Introduction

The Department of Clinical Haematology and Bone Marrow Transplant began at St. John’s in March 1990.  It became a separate department  in May 2022 Today, it stands as a center of excellence in patient care, research, and academic leadership, offering advanced treatments for complex blood disorders and training the next generation of haematologists.

Highlights at a Glance

  • Faculty: 5 core faculty + adjunct professors
  • All types of  Stem Cell Transplants:  : Both Autologous and Allogenic, Haploidentical and MUD, CAR-T Cell therapy
  • Hemophilia Patients Supported: 715+ through WFH Humanitarian Aid Program
  • Funds Raised (2022–23): ₹800 Lakhs for patient care and research.
  • Publications: 100+ peer‑reviewed papers in leading journals

Vision & Future

The department is committed to:

  • Expanding bone marrow transplantation services.
  • Advancing precision medicine in Hematology through genomics and translational research.
  • Strengthening patient outreach and humanitarian programs.
  • Training the next generation of haematologists to lead nationally and globally.
  • Innovations in Gene therapy and other low-cost cutting-edge therapeutics. 

Summary: The Department of Clinical Hematology and Bone Marrow Transplant at St. John’s stands as a beacon of patient care, research, and academic excellence. Guided by the leadership of Dr. Cecil Ross and Dr Alok Srivastava along with Dr Chaitanya HB and a dedicated faculty team, the department continues to make a profound impact on Hematology in India and beyond.

2. Highlights at a Glance 

A visually engaging stats panel with icons:

  • Faculty: 5 (including adjunct professors)
  • Postgraduates: 6 DrNB students
  • Stem Cell Transplants: both Autologous and Allogenic, Haploidentical and MUD, CAR-T Cell therapy 
  • Patients Supported: 715 Hemophilia patients (WFH Program)
  • Funds Raised (2022–23): ₹800 Lakhs
  • Publications: 100+ peer‑reviewed papers

Our Team

Unit Head

Most Rev. Prakash Mallavarapu
Professor & HOD

Dr. Cecil Reuben RossProfessor & Head, Department of Clinical Hematology and Bone Marrow TransplantSt. John’s Medical...

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Core Staff

Most Rev. Prakash Mallavarapu
Professor

 Dr. Alok SrivastavaSenior Consultant, Department of Clinical HaematologyHead, Haematology Research Unit, St. John’s ...

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Most Rev. Prakash Mallavarapu
Associate Professor

Dr. Seetharam AnandramAssociate Professor, Department of Clinical HaematologySt. John’s Medical College Hospital, Ben...

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Most Rev. Prakash Mallavarapu
Assistant Professor

Dr. Sanjukta Rao, Assistant Professor, Department of Clinical Haematology and Bone Marrow TransplantSt. John’s Medica...

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Most Rev. Prakash Mallavarapu
Assistant Professor

 Dr. Chaitanya H. BalakrishnanAssistant Professor, Department of Clinical Haematology and Bone Marrow TransplantSt. J...

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Most Rev. Prakash Mallavarapu
Assistant Professor

Clinical Haematology DepartmentST. JOHN'S MEDICAL COLLEGE HOSPITALKoramangala, Bengaluru, Karnataka560-034

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Most Rev. Prakash Mallavarapu
Senior Resident

Senior Resident

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Services

Anatomy

Out- Patient Services

MORNING OUT-PATIENT SERVICESDr. Cecil R Ross- Monday and Friday 9 AM to 1-00 PM Dr. Alok Srivastava MD, FRACP, FRCPA, FRCP- Wednesday( fast-track OPD)10:30 AM to 1-00 PM - Wednesday( Fast-track OPD: Appointments through  hematology.secretary@stjohns.in)Dr. Seetharam Anandram- Tuesday, Thursday 9 AM to 1-00 PMDr. Chaitanya H Balakrishnan- Monday, Friday and Saturday 9 AM to 1-00 PMEVENING OUT-PATIENT SERVICESDr. Se...

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Projects

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Publications

An ASTCT, CIBMTR, EBMT, and APBMT Consensus Statement Defining Response Criteria for Hematopoietic Cell Transplantation Associated Thrombotic Microangiopathy (TA-TMA) Directed Therapy

Groups and Associations Michelle L Schoettler 1, Eleni Gavriilaki 2, Enric Carreras 3, Cho Bo-Kyoung 4, Christopher E Dandoy 5, Vincent T Ho 6, Sonata Jodele 5, Ivan Moiseev 7, Isabella Sánchez-Ortega 8, Alok Srivastava 9, Yoshiko Atsuta 10, Paul A Carpenter 11, John Koreth 6, Nicolaus Kröger 12, Per Ljungman 13, Kristen Page 14, Uday Popat 15, Bronwen E Shaw 16, Ana Maria Sureda 17, Robert Soiffer 6, Sumithira Vasu 18
Transplant Cell Ther 2023
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Activated prothrombin complex concentrate in patients receiving emicizumab prophylaxis: from evidence to clinical practice

Groups and Associations Robert F Sidonio Jr 1, Guy Young 2, Carmen Escuriola Ettingshausen 3, Johnny Mahlangu 4, Margareth C Ozelo 5, Alok Srivastava 6, Jerzy Windyga 7, Hye-Youn Lee 8, Aurelia Lelli 8, Steven W Pipe 9
Research and Practice in Thrombosis and Haemostasis 2024
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Cross-Sectional Survey of Haemophilia Treatment Centres (HTCs) in India: Towards a Context‑Sensitive Stratification Model

Groups and Associations M Joseph John 1, Chandrakala Shanmukhaiah 2, Toshirenla Aier 3, Neeraj Sidharthan 4, Renu Saxena 5, Shashikant Apte 6, Aby Abraham 7, Naresh Gupta 8, Soniya Nityanand 9, Cecil Ross 10, Tulika Seth 11, Alok Srivastava 10
Haemophilia 2025
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Total and Neutralizing Antibody Seroprevalence of Hepatotropic Adeno-Associated Virus Among Healthy and Hemophilia A or B Population from India

Groups and Associations Hubert Darius J Daniel 1 2, Jaffar Farzana 1, Rajesh Kannangai 2, Sanjay Kumar 1, Kavitha M Lakshmi 3, Charnitkaur B Jashal 4, Hemant Dhamne 4, Varun Lahoti 4, Deepak Kanjwani 4, Aby Abraham 3, Kirsten Coleman 5, Arun Srivastava 6, Alok Srivastava 1 3, Asha Mary Abraham
Human Gene Therapy 2025
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Corticosteroid use to mitigate transaminitis-associated decline in FVIII levels following valoctocogene roxaparvovec gene therapy: clinical practice guidance

Groups and Associations Barbara A Konkle 1, Flora Peyvandi 2, Graham R Foster 3, Cedric Hermans 4, Vincenzo La Mura 2, Andrew D Leavitt 5, David Lillicrap 6, Johnny Mahlangu 7, Margareth C Ozelo 8, Steven Pipe 9, Michael Recht 10, Alok Srivastava 11, Guy Young 12, Wolfgang Miesbach
J Thromb Haemost 2025
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Safety and efficacy of a fitusiran antithrombin-based dose regimen in people with hemophilia A or B: the ATLAS-OLE study.

Groups and Associations Young G 1 , Kavakli K 2 , Klamroth R 3 , Matsushita T 4 , Peyvandi F 5 , Pipe SW 6 , Rangarajan S 7 , Shen MC 8 , Srivastava A 9 , Sun J 10 , Tran H 11 , You CW 12 , Zülfikar B 13 , Menapace LA 14 , Zhang C 15 , Shen Y 16 , Puurunen M 14 , Demissie M 14 , Kenet G
Blood 2025
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Activated prothrombin complex concentrate in patients receiving emicizumab prophylaxis: from evidence to clinical practice

Groups and Associations Robert F Sidonio Jr 1, Guy Young 2, Carmen Escuriola Ettingshausen 3, Johnny Mahlangu 4, Margareth C Ozelo 5, Alok Srivastava 6, Jerzy Windyga 7, Hye-Youn Lee 8, Aurelia Lelli 8, Steven W Pipe 9
Res Pract Thromb Haemost. 2025
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Guidelines for management of hemophilia-why, what, and how?

Groups and Associations Alok Srivastava 1, Johnny Mahlangu 2, Steven W Pipe 3
Res Pract Thromb Haemost 2025
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Cross-Sectional Survey of Haemophilia Treatment Centres (HTCs) in India: Towards a Context‑Sensitive Stratification Model

Groups and Associations M Joseph John 1, Chandrakala Shanmukhaiah 2, Toshirenla Aier 3, Neeraj Sidharthan 4, Renu Saxena 5, Shashikant Apte 6, Aby Abraham 7, Naresh Gupta 8, Soniya Nityanand 9, Cecil Ross 10, Tulika Seth 11, Alok Srivastava 10
Haemophilia 2025
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Quality of Life and Treatment Satisfaction in People With Haemophilia on Fitusiran Prophylaxis: Evidence From a Subset of ATLAS-OLE Trial Participants Mainly From India

Groups and Associations Alok Srivastava 1, Savita Rangarajan 2 3, Cecil Ross 4, Shariq Ali 5, Shauna Andersson 6, Laurel A Menapace 6, Marja Puurunen 6, Marion Afonso 7
Haemophilia 2025
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Engineering safe anti-CD19-CD28ζ CAR T cells with CD8a hinge domain in serum-free media for adoptive immunotherapy

Groups and Associations Muthuganesh Muthuvel 1 2, Thamizhselvi Ganapathy 3, Trent Spencer 4, Sunil S Raikar 4, Saravanabhavan Thangavel 3, Alok Srivastava 3 5 6, Sunil Martin 1
Front Immunol. 2025
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Mild or moderate hemophilia is not always a mild or moderate bleeding disorder: Back to the clinical phenotype

Groups and Associations Francesco Rodeghiero 1,✉, Lisanna Ghiotto 1, Luca Pontalto 1, Alessandro Casini 2, Giancarlo Castaman 3, Rezan Abdul‐Kadir 4, Erik Berntorp 5, Imre Bodó 6, Manon Degenaar‐Dujardin 7, Karin Fijnvandraat 8,9, Paolo Gresele 10, Nigel S Key 11, Riitta Lassila 12, Frank W G Leebeek 13, David Lillicrap 14, Mike Makris 15, Stephan Meijer 16, Diego Mezzano 17, Patrizia Noris 18, Ingrid Pabinger 19, Margaret V Ragni 20, David Silva 21, Alok Srivastava 22, Alberto Tosetto 23, Jerzy Windyga 24, Barbara Zieger 25
Hemasphere. 2025
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Evaluation of safety and efficacy of multiple intravenous and intraosseous doses of foetal liver-derived mesenchymal stem cells in children with severe osteogenesis imperfecta : the BOOST2B clinical trial protocol

Groups and Associations Vrisha Madhuri 1 2 3, Sowmya Ramesh 1 2, Annika Goos 4, Thomas V Paul 5, Shyamkumar Nidugala Kesava 6, Vikram Mathews 7, Lilian Walther-Jallow 4, Cecilia Götherström 4; BOOST2B Study Group; Åsa Ekblad 8, Vignesh Kumar 1 9, Suhasini Ganesh 1 9, Lakshmi Loganathan 1 9, Renita Raymond 1 9, Ashis Kumar 1 9, Dolly Daniel 10, Nihal Thomas 5, Deeptiman James 1, Madhavi Kandagaddala 6, Priya Mammen 11, Antonisamy B 12, Alok Srivastava 9 7
Bone Jt Open. 2025
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Outcomes in patients undergoing hematopoietic stem cell transplantation for myelodysplastic syndromes

Groups and Associations Sujith Karumathil 1, Uday Kulkarni 1, Sushil Selvarajan 1, Sharon Lionel 1, Anup J Devasia 1, Fouzia N Aboobacker 1, Kavitha M Lakshmi 1, Anu Korula 1, Alok Srivastava 1, Aby Abraham 1, Vikram Mathews 1, Biju George 1
Blood Cell Ther 2025
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Adeno-associated virus-based gene therapy for hemophilia-addressing the gaps

Groups and Associations Wolfgang Miesbach 1, Paul Batty 2 3, Pratima Chowdary 3, Sylvia Fong 4, Radoslaw Kaczmarek 5 6, Frank W G Leebeek 7, Brian Long 8, Johnny Mahlangu 9, Mike Makris 10, Glenn F Pierce 11, Steven W Pipe 12, Alok Srivastava 13, Jan Voorberg 14, Flora Peyvandi 15 16
Res Pract Thromb Haemost 2024
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Lentiviral Gene Therapy with CD34+ Hematopoietic Cells for Hemophilia A

Groups and Associations Srivastava A, Abraham A, Aboobacker F, Singh G, Geevar T, Kulkarni U, Selvarajan S, Korula A, Dave RG, Shankar M, Singh AS, Jeba A, Kumaar N, Benjamin C, Lakshmi KM, Srivastava VM, Shaji RV, Nair SC, Brown HC, Denning G, Lollar P, Doering CB, Spencer T.
N Engl J Med 2025
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Enhanced fetal hemoglobin production via dual-beneficial mutation editing of the HBG promoter in hematopoietic stem and progenitor cells for β-hemoglobinopathies

Groups and Associations Prathibha Babu Chandraprabha # 1 2, Manoj Kumar K Azhagiri # 1 2, Vigneshwaran Venkatesan 1 2, Wendy Magis 3, Kirti Prasad 1 2, Sevanthy Suresh 1 2, Aswin Anand Pai 4, Srujan Marepally 1, Alok Srivastava 1 4, Kumarasamypet Murugesan Mohankumar 1, David I K Martin 3, Saravanabhavan Thangavel 5
Stem Cell Res Ther 2024
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Impact of the COVID-19 outbreak on the field of hematopoietic cell transplantation in the Asia-Pacific region: APBMT Activity Survey 2020/2021

Groups and Associations Iida M, Ho A, Huang XJ, Liu K, Lv M, Huang H, Kuwatsuka Y, Moon JH, Choi YS, Lee JW, Khattry N, M Lakshmi K, Wilcox L, Hamidieh AA, Behfar M, Ko BS, Ho KW, Gan GG, Bunworasate U, Hongeng S, Anurathapan U, Farzana T, Sim J, Lee V, Leung MKG, Dung PC, Huynh VM, Rathnayake W, Abeysinghe P, Bravo MR, Dumagay T, Gyi AA, Santosa D, Ardini D, Poudyal BS, Akter M, Batshkh K, Drokov M, Li CC, Okamoto S, Srivastava A, Dodds A, Atsuta Y; Registry Committee of the Asia‑Pacific Blood and Marrow Transplantation Group (APBMT)
Blood Cell Ther. 2024
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Microarray analysis reveals distinct immune signatures in BCR-ABL positive and negative myeloproliferative neoplasms

Groups and Associations Cecil Ross 1, Mugdha Sharma 1, John Paul 1, Sweta Srivastava 2
Indian J Cancer . 2021
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"Effect of Point Mutation on Structure-Function Correlation of Hemoglobin Variants, HbE and HbD Punjab Amino Acids"

Groups and Associations Sreekala Narayanan, Boby Mathew, Bindu Y. Srinivasu, Vijay Bhat, Cecil Ross & Amit Kumar Mandal
Sreekala Narayanan, Boby Mathew, Bindu Y. Srinivasu, Vijay Bhat, Cecil Ross & Amit Kumar Mandal 2020
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Congenital hemolytic anemia in pregnancy – experience in a tertiary care hospital in South India

Groups and Associations Rao Preethi Venkatachala 1, C N Sheela 1, Seetharam Anandram 2, Cecil R Ross 2
J Obstet Gynaecol India . 2021
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Clinical phenotype, fibrinogen supplementation, and health-related quality of life in patients with afibrinogenemia

Groups and Associations Alessandro Casini 1 2, Sylvia von Mackensen 3, Cristina Santoro 4, Claudia Djambas Khayat 5, Meriem Belhani 6, Cecil Ross 7, Akbar Dorgalaleh 8, Arshi Naz 9, Ekrem Ünal 10 11, Magy Abdelwahab 12, Elise Dupuis Lozeron 13, Nathalie Trillot 14, Sophie Susen 15, Flora Peyvandi 16, Philippe de Moerloose 2; QualyAfib Study Group
Clinical Trial 2021
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Pharmacokinetics, efficacy and safety evaluations of a new human plasma derived fibrinogen concentrate (FIB Grifols) in adult patients with congenital afibrinogenemia

Groups and Associations Ross CR, Subramanian S, Navarro-Puerto J, Subramanian K, Kalappanavar NK, Khayat CD, Acharya SS, Peyvandi F, Rucker K, Liang W, Vilardell D, Trimm S, Ayguasanosa J.
Thromb Res 2021
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Efficacy and Safety of Fitusiran Prophylaxis, an siRNA Therapeutic, in a Multicenter Phase 3 Study (ATLAS-INH) in People with Hemophilia A or B, with Inhibitors (PwHI)

Groups and Associations Guy Young, Alok Srivastava, Kaan Kavakli, Cecil Ross, Jameela Sathar, Huyen Tran, Runhui Wu, Jing Sun, Stacey Poloskey, Zhiying Qui, Salim Kichou, Shauna R. Andersson, Baisong Mei, Savita Rangarajan
Blood 2021
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Gene expression profiling of CD34+ cells from Myeloproliferative Neoplasm patients

Groups and Associations Mugdha Sharma 1, Chandra Bhavani 2, Srinag Bangalore Suresh 1, John Paul 1, Lokendra Yadav 3, Cecil Ross 1, Sweta Srivastava 3
Oncol Lett . 2021
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Gene expression profiling of CD34+ cells from Myeloproliferative Neoplasm patients

Groups and Associations Mugdha Sharma 1, Chandra Bhavani 2, Srinag Bangalore Suresh 1, John Paul 1, Lokendra Yadav 3, Cecil Ross 1, Sweta Srivastava 3
Oncol Lett . 2021
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Autoimmune hemolytic anaemias in pregnancy – experience in a tertiary care hospital in South India

Groups and Associations Rao Preethi Venkatachala, C. N. Sheela, Seetharam Anandram & Cecil R. Ross
J Obstet Gynaecol India . 2021
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Turoctocog alfa is safe for the treatment of Indian patients with hemophilia A : Guardian 10 trial results

Groups and Associations M Joseph John 1, Prantar Chakrabarti 2, Shashikant Apte 3, Maitreyee Bhattacharyya 4, Chandrakala S 5, Trine Hansen 6, Rohan Kolla 7, Cecil Ross 8, Tulika Seth 9, Neeraj Siddharthan 10, Aby Abraham 11
Res Pract Thromb Haemost . 2020
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"Efficacy and safety of fitusiran prophylaxis in people with haemophilia A or haemophilia B with inhibitors (ATLAS-INH): a multicentre, open-label, randomised phase 3 trial"

Groups and Associations Guy Young 1, Alok Srivastava 2, Kaan Kavakli 3, Cecil Ross 4, Jameela Sathar 5, Chur-Woo You 6, Huyen Tran 7, Jing Sun 8, Runhui Wu 9, Stacey Poloskey 10, Zhiying Qiu 11, Salim Kichou 12, Shauna Andersson 13, Baisong Mei 13, Savita Rangarajan 14
Clinical Trial 2023
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Association of exosomal miR-96-5p and miR-146a-5p with the disease severity in dengue virus

Groups and Associations Aunji Pradhan 1, Ashish Aneja 1, Sahana Ghosh 2, Himadri Devvanshi 3, Deepika C 1, Risabh Sahu 1, Celil Ross 4, Pallavi Kshetrapal 3, Arindam Maitra 2, Saumitra Das 1 2
J Med Virol . 2023
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Reduced Volume and Faster Infusion Rate of Activated Prothrombin Complex Concentrate: A Phase 3b/4 Trial in Adults with Hemophilia A with Inhibitors.

Groups and Associations Bülent Zülfikar 1, Johnny Mahlangu 2, Salim Mohamed Nekkal 3, Cecil Ross 4, Noppacharn Uaprasert 5,6, Jerzy Windyga 7, Carmen Escuriola Ettingshausen 8, Bettina Ploder 9, Aurelia Lelli 10, Hanna T Gazda 11,✉
Journal to Thrombosis and Haemostasis 2024
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Pregnancy outcomes of mothers with immune thrombocytopenia

Groups and Associations Shashikala Karanth Department of Obstetrics and Gynecology, St. John’s Medical College and Hospital, Bangalore, Karnataka, India Christy Vijay Department of Obstetrics and Gynecology, St. John’s Medical College and Hospital, Bangalore, Karnataka, India Chaitanya Harita Department of Medicine, St. John’s Medical College and Hospital, Bangalore, Karnataka, India Jaya S. Mol Department of Obstetrics and Gynecology, St. John’s Medical College and Hospital, Bangalore, Karnataka, India
International Journal of Reproduction, Contraception, Obstetrics and Gynecology 2020
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A comprehensive care pathway of gene therapy for hemophilia based on current guideline documents and summary of product characteristics: communication from the ISTH SSC working group on gene therapy.

Groups and Associations Caroline M.A. Mussert 1 , Wolfgang Miesbach 2 , Pratima Chowdary 3 4 , David Lillicrap 5 , Johnny Mahlangu 6, Flora Peyvandi 7 8 , Steven W. Pipe 9, Alok Srivastava 10, Jan Voorberg 11, Glenn F. Pierce 12 , Radoslaw Kaczmarek 13 14 , Paul Batty 3 4 , Ilaria Cutica 15 , Amit Nathwani 3 4, Frank W.G. Leebeek 16
Journal of Thrombosis and Haemostasis 2025
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A comprehensive care pathway of gene therapy for hemophilia based on current guideline documents and summary of product characteristics: communication from the ISTH SSC working group on gene therapy.

Groups and Associations Caroline M.A. Mussert 1 , Wolfgang Miesbach 2 , Pratima Chowdary 3 4 , David Lillicrap 5 , Johnny Mahlangu 6, Flora Peyvandi 7 8 , Steven W. Pipe 9, Alok Srivastava 10, Jan Voorberg 11, Glenn F. Pierce 12 , Radoslaw Kaczmarek 13 14 , Paul Batty 3 4 , Ilaria Cutica 15 , Amit Nathwani 3 4, Frank W.G. Leebeek 16
Journal of Thrombosis and Haemostasis 2025
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NuPOWER (Nuwiq for Perioperative management Of patients With haemophilia A on Emicizumab Regular prophylaxis): protocol for an open-label, single-arm, multicentre study

Groups and Associations Alok Srivastava1,2, Angela Kanny3, Florian Langer4, Cornelia Kubicek-Hofmann5, María Teresa Álvarez Román6, Ramiro Núñez Vázquez7, Ana Boban8,9, Violeta Dejanova-Ilijevska10, Predrag Miljić11,12, Jessica Garcia13, Susan Halimeh14, Nicolas Drillaud15, Jean-Baptiste Valentin16, Maria Elisa Mancuso17,18, Giancarlo Castaman19, Rita Carlotta Santoro20, Anna-Elina Lehtinen21, Aby Abraham22, Mariko Hashimoto23, Sigurd Knaub24
BMJ Open 2025
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Schedule

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Speciality Clinics

Speciality Clinics

  • Hemophilia Clinic
  • Bone Marrow Transplant Clinic
  • Clinical Trials
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