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How to
start Gattex


Talk to your or your loved one's doctor

Make an appointment to speak with a healthcare provider.

The Conversation Guide may help guide discussions with your or your loved one's doctor about whether GATTEX is the right treatment option. It is important to fully understand the possible risks and benefits of treatment.

Download conversation guide

Complete the Start Form

After deciding to move forward with GATTEX, make sure to complete and sign the GATTEX Start Form with your or your loved one's doctor. This serves as the prescription and allows OnePath® to begin working with eligible patients.

This start form should be completed with your or your loved one’s doctor.

Download Start form

At OnePath we tailor our product support to you

When you're prescribed GATTEX, OnePath dedicated support is here for you.

After you join OnePath, you’ll be connected with a specialist who acts as your go-to person. They’ll address your questions and concerns and help determine next steps. They’ll get you the information
you need or find the right person who can. Because our goal is to make your journey a little easier to access your Takeda treatment.

More about onepath

How to take GATTEX

Once you are ready to begin GATTEX, be sure to follow the training provided by your healthcare provider. The video and instructions below show you step-by-step how to prepare and inject GATTEX. Once trained by a healthcare provider, adults can self-administer. For children, GATTEX must be administered by an adult. Self-administration is not recommended in pediatric patients.

Instructions for Use (IFU)

Get step-by-step instructions for preparing and injecting GATTEX. It may be helpful to print a copy and keep it with your GATTEX supplies.

Download the ifu


  • Use GATTEX exactly as your healthcare provider tells you to
  • GATTEX is given 1 time each day at the same time
  • Inject your dose of GATTEX under the skin (subcutaneous injection) in your stomach area (abdomen), upper legs (thighs), or upper arms. Do not inject GATTEX into a vein or muscle
  • Use a different injection site each time you use GATTEX
  • GATTEX comes as a powder for injection in a vial that is used only 1 time (single-use vial). The powder must be mixed with Sterile Water for Injection (a diluent) provided in a prefilled syringe before you inject it
  • GATTEX must be injected within 3 hours after you mix it with the diluent
  • If you miss a dose, take it as soon as you remember that day. Take your next dose the next day at the same time you take it every day
  • Do not take 2 doses on the same day
  • If you use more than 1 dose, call your healthcare provider right away
  • Do not stop taking GATTEX without consulting your healthcare provider
  • Read the Instructions for Use for detailed instructions for preparing and injecting a dose of GATTEX

Storing GATTEX

  • Store GATTEX powder at room temperature up to 77°F (25°C)
  • Do not freeze GATTEX
  • Use the GATTEX powder by the expiration date on the “Use By” sticker on the kit
  • Use GATTEX within 3 hours after mixing it
  • Throw away any unused GATTEX that has been mixed, even if there is medicine left in the vial
  • Do not store any GATTEX you have mixed

Keep GATTEX and all medicines out of the reach of children.

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