References UK clinical guidance from the NHS, the British HIV Association (BHIVA), and the British Association for Sexual Health and HIV (BASHH). Last updated: April 2026.
Gene therapy is one of the most promising areas of HIV cure research. The idea is to modify a person’s own immune cells so they become resistant to HIV, or to edit out the hidden viral reservoir entirely. While no gene therapy for HIV is available as a routine treatment yet, several approaches are being tested in clinical trials.
Here’s what’s happening and what it could mean for the future.
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Why Gene Therapy for HIV?
Current ART suppresses HIV but doesn’t eliminate it. The virus hides in a latent reservoir of long-lived cells. Gene therapy aims to either:
- Make new immune cells resistant to HIV so the virus can’t infect them
- Cut out the hidden HIV DNA from infected cells
Main Approaches Being Studied
| Approach | How It Works | Stage |
|---|---|---|
| CCR5 gene editing | Modify CD4 cells to remove the CCR5 receptor HIV uses to enter cells | Clinical trials |
| CRISPR-based excision | Use CRISPR to cut HIV DNA out of infected cells | Early clinical trials |
| Stem cell transplant with CCR5-delta32 | Replace immune system with HIV-resistant donor cells | Proven in a few people (too risky for routine use) |
| Broadly neutralising antibody gene therapy | Engineer cells to produce antibodies that neutralise HIV | Clinical trials |
The CCR5 Story
A small percentage of people carry a natural mutation called CCR5-delta32 that makes their cells resistant to most strains of HIV. The few people “cured” of HIV received stem cell transplants from donors with this mutation. Gene therapy aims to replicate this effect without the need for a dangerous transplant.
CRISPR and HIV
CRISPR-Cas9 is a gene-editing tool that can target and cut specific DNA sequences. Researchers are using it to:
- Cut HIV DNA out of infected cells
- Disable genes HIV needs to enter cells
- Early human trials are underway, but it’s still experimental
Challenges
- Reaching every infected cell — HIV hides in cells throughout the body
- Off-target effects — gene editing must be precise to avoid unintended changes
- Durability — modified cells need to persist long-term
- Cost and scalability — current approaches are expensive and complex
- Safety — long-term effects of gene editing are still being studied
What This Means For You Now
Gene therapy for HIV is not available as routine treatment. If you’re living with HIV, modern ART remains the standard of care and provides an excellent quality of life and near-normal life expectancy. Gene therapy research gives hope for a future cure, but that future is still some years away.
Read more: Can HIV be cured? | HIV vaccine research | What is HIV?
Frequently Asked Questions
Can I get gene therapy for HIV now?
Not as routine treatment. Gene therapy for HIV is only available through clinical trials at specialist research centres.
Is CRISPR safe for treating HIV?
Early trials have shown promise, but long-term safety data is limited. CRISPR gene editing for HIV is still experimental.
Will gene therapy replace daily pills?
That’s the long-term goal. If successful, a one-time gene therapy could replace lifelong medication. But we’re not there yet.
Related reading
- Injectable HIV Treatment: Everything You Need to Know
- Are HIV Tests Accurate If You're on PrEP, PEP or ART?
- CD4/CD8 Ratio: What It Means and Why It Matters
- CD4 Counts Explained: What Your Numbers Mean
- Changing HIV Treatment: When, Why and How
Sources
- NHS — Sexual health conditions
- BASHH — UK clinical guidelines for STI management
- British HIV Association (BHIVA) — HIV treatment guidelines
- Terrence Higgins Trust — sexual health information
- UK Health Security Agency — STI surveillance data
Steve Page is a recognised expert on Sexually Transmitted Diseases (STDs) and STD treatments, having published numerous articles in peer-reviewed journals and presented his research at conferences around the world. He has an in-depth understanding of the latest medical research on STDs, and is an advocate for the development of new treatments and protocols to improve the health of those affected. In addition to his research, he has dedicated his career to understanding the causes and symptoms of STDs, as well as how to best treat those impacted.
