Delivery device options.

Although all FDA-approved growth hormone products are similar, the different delivery devices are not. Compare the delivery systems used by some of our competitors, and find some questions you may want to ask your health care professional about your delivery device options.

Norditropin® FlexPro® Pen 5 mg, 10 mg, 15 mg, and 30 mg (somatropin [rDNA origin] injection) Nutropin AQ® NuSpin5 mg, 10 mg, and 20 mg(somatropin [rDNA origin] injection) Genotropin Pen®5 mg and 12 mg(somatropin [rDNA origin] injection) HumatroPen®6 mg, 12 mg, and 24 mg(somatropin [rDNA origin] injection) Omnitrope® Pen5 mg and 10 mg(somatropin [rDNA origin] injection)
Is there an option available to hide the needle?a  
Is mixing required?      
Do cartridges need to be loaded or changed?    
Is the device disposable?      
Is there room temperature storage after first use?        
Are batteries required?        
What is the greatest dose delivered?c 8 mg 7 mg 4 mg 6 mg 5.4 mg
Can you set a dose greater than the amount of medicine left in the pen?  
Are you able to dial backward?  

Please note that the above is not intended to be a complete listing of device attributes. Please refer to each product’s Instructions for Use.

Not intended to be a comparision of efficacy or safety.

a Needles are sold separately and may require a prescription in some states.

b All Norditropin® products must be refrigerated prior to first use. Do not freeze. After initial use, Norditropin® pens can either be stored outside of the refrigerator (up to 77°F) for use within 3 weeks or in the refrigerator (between 36°F and 46°F) for use within 4 weeks.

c Based on the largest dose of the pen.

FlexPro® Pen features:

  • Able to hide needle
  • Prefilled
  • No mixing required
  • No need to load or change cartridges
  • Disposable device
  • No batteries
  • Delivers doses greater than 7 mg
  • Dose button does not extend beyond end of pen
  • Cannot set dose greater than amount left
  • Able to dial backwards
  • Automatic injection while pressing dose button
  • Audible “click” when the dose has left the pen

Other considerations.

When considering your options, here are some questions to ask your health care provider about the delivery device:

  • Is it easy to use?
  • What’s the learning curve?
  • Can kids self-inject?
  • Does it have multiple parts?
  • Does it fit easily in small hands?
  • How small is the needle?
  • Does it offer precise dose control?