Clozapine’s Blood Cancer Risk: Under 0.06% Annually, Study Finds

January 6, 2025
1 min read
Representative Image. Red Blood Cells. Photo Source: allinonemovie (Pixabay)
Representative Image. Red Blood Cells. Photo Source: allinonemovie (Pixabay)

Clozapine helps people with schizophrenia who haven’t gotten better with other medicines. While it works well, some doctors worry it might cause blood cancer. This new research from Hong Kong shows those worries may be smaller than we thought.

The research team looked at records from 400,000 patients. They found only 6 out of every 10,000 people taking clozapine got blood cancer each year. That’s a very small number. To make it clearer – imagine a big stadium full of 10,000 people taking clozapine. In one year, only 6 people might get blood cancer.

The team watched 10,000 patients closely for seven years. During this time, 39 people developed blood cancer. While this shows people taking clozapine have a slightly higher chance of getting blood cancer compared to those not taking it, the overall risk is still quite low.

What makes clozapine special is that it’s the only medicine approved in the US for treating schizophrenia when other medicines don’t work. Think of it like having a spare key when your main key doesn’t open the door – it’s really important to have this option.

Safety comes first, though. Anyone taking clozapine needs regular blood tests. It’s like having a safety alarm system – doctors can spot any problems early and fix them before they become serious. Professor Lai, who led the study, says doctors shouldn’t be overly worried about blood cancer risks when prescribing clozapine.

This research matters because many people avoid taking clozapine due to fears about side effects. Now we know these fears might be bigger than the actual risk. It’s like being afraid to fly in planes when driving a car is actually more dangerous.


Similar Posts


The research team isn’t stopping here. They’re now looking at other mental health medicines to make treatments safer and work better. Their work helps both doctors and patients make better choices about mental health care.

For people with hard-to-treat schizophrenia, this news is encouraging. It shows that with proper medical check-ups, clozapine can be a safe choice. This might help more people get the treatment they need to feel better.

The bottom line? While clozapine needs careful monitoring through blood tests, the risk of serious side effects is lower than many people thought. This information could help both doctors and patients feel more confident about using clozapine when other treatments haven’t worked.

Tejal Somvanshi

Meet Tejal Somvanshi, a soulful wanderer and a staunch wellness advocate, who elegantly navigates through the enchanting domains of Fashion and Beauty with a natural panache. Her journey, vividly painted with hues from a vibrant past in the media production world, empowers her to carve out stories that slice through the cacophony, where brands morph into characters and marketing gimmicks evolve into intriguing plot twists. To Tejal, travel is not merely an activity; it unfolds as a chapter brimming with adventures and serendipitous tales, while health is not just a regimen but a steadfast companion in her everyday epic. In the realms of fashion and beauty, she discovers her muse, weaving a narrative where each style narrates a story, and every beauty trend sparks a dialogue. Tejal seamlessly melds the spontaneous spirit of the media industry with the eloquent prose of a storyteller, crafting tales as vibrant and dynamic as the industry she thrives in.

Leave a Reply

Your email address will not be published.

Representative Image. Meteor shower in Estonia in 2016. Photo Source: Kristian Pikner (CC BY-SA 4.0)
Previous Story

2025’s Celestial Calendar: Mars Opposition, Meteor Showers, Supermoon, Eclipses & Rare Planet Alignments

Next Story

Rare Black Panther and Cub Spotted in Odisha’s Nayagarh Forest

Latest from Health

Representative Image. Donut. Photo Credits: ChiemSeherin (Pixabay)

Over 2 Million Doughnuts Recalled Nationwide

The FDA announced a major recall affecting millions of donuts sold across the US and Canada, touching familiar brands like Dunkin’ and various grocery store products. FGF Brands started the recall on

Don't Miss