Ask to take part

Contact the study team using the details below to take part. If there are no contact details below please ask your doctor in the first instance.

Contact Information:

Belinda Lennox, DM MRCPsych : +44(0)1865 613145
belinda.lennox@psych.ox.ac.uk


Alastdair Coles, PhD FRCP +44 (0)1223 762016
ajc1020@medschl.cam.ac.uk


Study Location:

Skip to Main Content
English | Cymraeg
Be Part of Research - Trial Details - IVIG and Rituximab in Antibody-associated Psychosis - SINAPPS2

IVIG and Rituximab in Antibody-associated Psychosis - SINAPPS2

Recruiting

Open to: ALL

Age: 16.0 - 70.0

Medical Conditions

Encephalitis
Autoimmune Diseases of the Nervous System
Psychotic Disorders
Mental Disorders


This information is provided directly by researchers, and we recognise that it isn't always easy to understand. We are working with researchers to improve the accessibility of this information. In some summaries, you may come across links to external websites. These websites will have more information to help you better understand the study.


A randomised phase II double-blinded placebo-controlled trial designed to explore the utility of immunotherapy for patients with acute psychosis associated with anti-neuronal membranes (NMDA-receptor or Voltage Gated Potassium Channel).

Primary objective: To test the efficacy of immunotherapy (IVIG and rituximab) for patients with acute psychosis associated with anti-neuronal membranes.

Secondary objective: To test safety of immunotherapy (IVIG and rituximab) for patients with acute psychosis associated with anti-neuronal membranes.

Start dates may differ between countries and research sites. The research team are responsible for keeping the information up-to-date.  

The recruitment start and end dates are as follows:

Nov 2017 Mar 2027

Publications

"Lennox B, Yeeles K, Jones PB, Zandi M, Joyce E, Yu LM, Tomei G, Pollard R, Vincent SA, Shimazaki M, Cairns I, Dowling F, Kabir T, Barnes TRE, Lingford Hughes A, Hosseini AA, Harrower T, Buckley C, Coles A. Intravenous immunoglobulin and rituximab versus placebo treatment of antibody-associated psychosis: study protocol of a randomised phase IIa double-blinded placebo-controlled trial (SINAPPS2). Trials. 2019 Jun 7;20(1):331. doi: 10.1186/s13063-019-3336-1."; "31174586"

INTERVENTIONAL

Intervention Type : DRUG
Intervention Description : This is a blood product containing antibodies from thousands of healthy donors.

Intervention Arm Group : Intravenous immunoglobulin and Rituximab;

Intervention Type : DRUG
Intervention Description : This is the control, or sham, treatment

Intervention Arm Group : Placebo;

Intervention Type : DRUG
Intervention Description : Rituximab is a type of biological therapy. It removes B-cells and helps to reduce the inflammation

Intervention Arm Group : Intravenous immunoglobulin and Rituximab;



You can take part if:



You may not be able to take part if:


This is in the inclusion criteria above


Below are the locations for where you can take part in the trial. Please note that not all sites may be open.

  • Sheffield Teaching Hospitals NHS Foundation Trust
    Sheffield
  • The Walton Centre NHS Foundation Trust
    Liverpool
  • Oxford University Hospitals NHS Foundation Trust
    Oxford
  • Salford Royal NHS Foundation Trust
    Manchester
  • Cambridge University Hospitals NH Foundation Trust
    Cambridge
  • Royal Devon and Exeter NHS Foundation Trust
    Exeter
  • NHS Greater Glasgow and Clyde
    Glasgow
  • University College London Hospitals Nhs Foundation Trust
    London
    NW1 2PG
  • King's College Hospital NHS Foundation Trust
    London
  • Nottingham University Hospitals NHS Trust
    Nottingham


The study is sponsored by University of Cambridge and is in collaboration with University of Oxford.




We'd like your feedback

Your feedback is important to us. It will help us improve the quality of the study information on this site. Please answer both questions.


Is this study information helpful?

What will you do next?

Read full details for Trial ID: NCT03194815
Last updated 25 March 2025

This page is to help you find out about a research study and if you may be able to take part

You can print or share the study information with your GP/healthcare provider or contact the research team directly.