Research saves lives.

BIG Time for Baby is an international study programme which requires numerous resources in order to bring important results to the field of breast cancer research. Here are a few examples of how your donation is helping to change the lives of people living with breast cancer.

1. My donation

One-time donation

  • Covers participation costs of a single patient over the course of two weeks

  • Covers participation costs of a single patient over the course of one month

  • Covers participation costs of a single patient over the course of one year


Monthly gift

  • Enables one researcher to follow one patient over the course of one year

  • Funds data centre so results can be validated

  • Covers participation costs of one patient's full year

Your tax reduction

Donations greater than or equal to € 40 per year are tax-deductible for residents in Belgium.
You will receive this certificate automatically in the course of the following year. The tax deduction is 45% of the amount of your donation.
For example: if you donate 40 € to BIG against breast cancer you get 18 € and only pay 22 €.
If you donate from another country and want to know if this donation can be tax deductible, contact us!
Tel + 32 2 486 16 00

2. My details

* Required Fields (this information is mandatory to issue your tax receipt)

Respect of your privacy

The personal data collected by BIG through this form is required to send your tax receipt. 

In accordance with the General Data Protection Regulation (GDPR) (EU) 2016/679, BIG-aisbl informs you that you may exercise anytime your right of access, rectification, restriction, objection, data portability and your right to erasure regarding your personal data collected by BIG. 

To exercise the rights above, please contact us on following address:
BIG Data Protection Officer
BIG against breast cancer (BIG)
Blvd de Waterloo 76
B-1000 Brussels
Tel + 32 2 486 16 00
To know more about how BIG processes personal data, please read our Privacy Policy.

3. My payment

Payment Platform 100% Secure

Please select your card type

Expiry date

The 3 digit security code is located on the back of your card

How will your donation be used?

Between 2012 and 2018 we invested more than € 97,000,000 in the search for better treatments for breast cancer.

94.7% of the amounts received by BIG go directly to research.

Do you prefer to make a classic bank transfer? Our IBAN number is BE08 0689 0916 0213.

Thank you very much for your support.