Approximately 100 confirmed cases.
Zero approved treatments.

The SPG76 Research Foundation brings together researchers, doctors and people affected by Hereditary Spastic Paraplegia Type 76 (SPG76) — an ultra-rare neurological disorder caused by mutations in the CAPN1 gene — and supports the research toward a treatment that slows or halts it.

SPG76 in numbers

  • ~100confirmed cases worldwide, with many more suspected undiagnosed
  • 0approved treatments
  • 1gene: CAPN1
  • 17people affected by SPG76, in 10 countries, have connected with the foundation

Three paths of work, one goal

In 2026 the foundation brought together researchers in the United States, Canada and Brazil. Their work now runs on three separate paths, each aimed at the same goal: a treatment that slows or halts the progression of SPG76. Early laboratory studies also suggest that some lost function might improve; whether that is possible in people is one of the questions this research will answer.

Mapping how SPG76 progresses

The natural history collaboration

Dr. Ziv Gan-Or's team at The Neuro (McGill University) is building the first combined natural history of SPG76 with doctors around the world.

Read about path 1: mapping how SPG76 progresses

Protecting nerve cells

The calpain-2 approach

Dr. Michel Baudry's laboratory at Western University of Health Sciences is preparing a study to test whether blocking calpain-2 protects the nervous system in the SPG76 mouse model.

Read about path 2: protecting nerve cells

Replacing the missing gene

Gene therapy

A research network in Brazil is developing a gene-replacement approach for SPG76, and the five-year Canadian program applied for in 2026 includes testing gene therapy in mice.

Read about path 3: replacing the missing gene

Alongside the three paths: the foundation points people with SPG76 to SP-CERN, a US research network for hereditary spastic paraplegia that runs its own natural history study. How to take part

What one year has built

  1. Spring
    The foundation's first conversations with researchers who had published on SPG76
  2. May
    US and Canadian researchers meet for the first time
  3. July
    The first joint call between the Canadian and Brazilian researchersThe foundation is incorporated in Illinois
  4. September
    A five-year Canadian research program is submittedThe IRS recognizes the foundation as a 501(c)(3) public charityAn application to a US research foundation is submitted with the foundation
  5. October
    The natural history outreach to doctors worldwide is prepared with Dr. Gan-Or's team17 people affected by SPG76, in 10 countries, have connected with the foundation

Two research funding applications are under review.

The researchers we collaborate with

SPG76 was first described in 2016. Dr. Ziv Gan-Or was first author of the study that linked the CAPN1 gene to hereditary spastic paraplegia and gave the condition its name, SPG76 (Gan-Or et al., American Journal of Human Genetics, 2016). The same year, Dr. Michel Baudry's group showed that loss of CAPN1 causes ataxia in mice and in people (Wang et al., Cell Reports, 2016). Both are among the researchers we collaborate with.

Each researcher is independent of the foundation and has approved what we say about them. Read the full note.

Dr. Ziv Gan-Or

Dr. Ziv Gan-Or

The Neuro, McGill University · Montreal, Canada

Leads the international effort to build a natural history of SPG76.

About Dr. Gan-Or

Dr. Michel Baudry

Dr. Michel Baudry

Western University of Health Sciences · California, USA

Studies calpains, the enzyme family affected in SPG76, and is working to test a calpain-2–targeted approach in the SPG76 mouse model.

About Dr. Baudry

Gene therapy research in Brazil

Brazil

A research network in Brazil is developing a gene-replacement approach for SPG76, working with patients' cells and the SPG76 mouse model.

About path 3

Wherever you are coming from

Patients and families

You are not alone. Research on SPG76 is under way on three paths. Join the patient network to hear the news first and to learn when there is a way to take part.

For patients

Doctors

If you follow someone with SPG76, you can help map how the disease progresses by sharing de-identified information directly with the natural history research team at The Neuro, McGill University.

How to take part: for doctors

Researchers

Working on SPG76, CAPN1 or a related recessive form of hereditary spastic paraplegia? We connect researchers with each other and with the people affected.

Get in touch

Supporters

The SPG76 Research Foundation is a 501(c)(3) public charity (EIN 42-4119137). Donations support research at academic institutions, as directed by the foundation's Board of Directors.

How to donate

Our founder

Omar Alnuaimi

Omar Alnuaimi — Founder & President

A patient advocate living with SPG76 for more than a decade, Omar founded the SPG76 Research Foundation in 2026. Since then he has connected researchers in the United States, Canada and Brazil around one goal: a treatment that slows or halts SPG76.

Read Omar's story

Latest news

October 2026

A new website: the research, the people, and what you can do today

Who is working on SPG76, what has happened this year, and how patients, families and doctors can take part. All news

You are not alone

An SPG76 diagnosis can feel isolating — there are approximately 100 confirmed cases worldwide, with many more suspected undiagnosed. Join the patient network to stay informed and to hear when there is a way to take part in research.

Or email contact@spg76research.org. Your privacy is important to us. See our Privacy Policy.