A groundbreaking new drug is the latest development in the fight against opioid addiction offering new hope to drug users. 

Buvidal, an injectable form of Buprenorphine, acts as a slow-release drug and blocks the opioid receptors in the brain which stops the patients from having withdrawal symptoms. 

It only has to be administered once a week or once a month, making it a good alternative to methadone which is often prescribed to wean users off of heroin and other opioids.

Methadone users frequently have to visit the pharmacy on a daily basis which can be difficult for addicts with a job, those living in rural areas, or people whose local pharmacies do not provide support. 

Dr Arun Dhandayudham, Medical Director for Westminster Drug Project, told Insider: "Buvidal completely steadies blood levels and blocks any highs from of heroin so those who stop using gain a sense of stability and a new lease for life.