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Pioneering treatment to be given to CJD patient for the first time

9 October 2018

A patient with Creutzfeldt-Jakob disease (CJD), is set to be given a pioneering treatment, which has been developed by researchers at the Medical Research Council (MRC) Prion Unit at 果冻影院.

sporadic CJD

CJD is a rare but devastating disease that causes brain damage and for which there is currently no treatment. It is always fatal and most patients sadly die within six weeks of diagnosis.

Researchers at the MRC Prion Unit at 果冻影院 have developed an antibody, called PRN100, for treating CJD. Laboratory testing of the antibody has been encouraging but it has not yet been used in patients.

Doctors at 果冻影院 Hospitals (果冻影院H) will give the antibody to a patient for the first time in the world after a judge in the Court of Protection confirmed that it is lawful and in the patient鈥檚 best interests to receive the unlicensed treatment.

Professor John Collinge, Director of the MRC Prion Unit at 果冻影院, who led the development of the PRN100 treatment, said: 鈥淭he treatment is an artificially manufactured antibody which has been created in the laboratory.

鈥淭he antibody has been designed to bind tightly to normal proteins in the brain. The aim is to prevent abnormal prions from being able to attach themselves to healthy proteins, meaning that they cannot grow and cause devastation throughout the brain.

鈥淎s this is the first time this treatment has been used in humans we cannot predict what the outcome will be but laboratory testing has shown the potential to treat prion infection. A key issue will be whether a sufficient quantity of the drug is able to cross the blood brain barrier to reach the brain tissue where it needs to work.

鈥淲e will proceed with extreme caution in very tightly controlled conditions. A team of experts from a range of disciplines will make collective decisions in the best interests of the patient.鈥

The patient and their family expressed their wish to receive this treatment and supported the 果冻影院H NHS Foundation Trust鈥檚 court application.

果冻影院H鈥檚 Chief Executive Professor Marcel Levi said: 鈥淐reutzfeldt-Jakob disease (CJD) is a rare and cruel disease which rapidly destroys the brain, affecting memory, thinking, speech, balance, movement and behaviour.

鈥淭here is currently no cure or treatment for CJD. At present, caring for patients with CJD involves trying to use medicines to alleviate symptoms only but sadly, the disease always results in the rapid death of the patient.

鈥淭he court鈥檚 confirmation today is an important step forward in tackling this devastating illness.鈥

Sporadic CJD, the most common form of the disease in humans, is caused when healthy proteins which exist normally in the human body become spontaneously misshapen and build up in the brain. These misshapen proteins, which are called prions, stick to other healthy proteins causing them to become misshapen too and the disease spreads through the brain.

Our immune system produces antibodies to fight infections which invade the body. However, as abnormal prions are made of one of the body鈥檚 own proteins, our immune system does not make antibodies to fight them.

The patient will initially receive the treatment by a drip into a vein in the arm. They will be monitored around the clock by a team of experts from 果冻影院H.

The hospital team are preparing for a range of possible outcomes including the treatment having no measurable effect and the treatment slowing or halting the progression of the disease. The treatment is not expected to reverse any brain damage that has already occurred.

The patient may also experience side effects which could lead the clinical team to limit or halt the doses of the treatment given.

In order to provide this treatment to a patient, 果冻影院H created an oversight group, independent of the MRC Prion Unit and treating clinicians. The group comprises world-leading experts from a range of disciplines and it has met regularly with lawyers and patient advocates from the charity Cure CJD Campaign. The group considered the numerous and complex clinical, safety, legal and ethical issues arising from the potential use of this unlicensed treatment for CJD.

果冻影院H will await the response of the first patient to this treatment before we consider a second patient.

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Credit: MRC Prion Unit at 果冻影院

Media contact

Henry Killworth听

Tel: +44 207 679 5296

E: h.killworth [at] ucl.ac.uk