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Semantic Drift Patterns: homepage claims breakthrough but pipeline page shows preclinical only, FDA approved claims but only for one indication, marketed broadly, claims clinical evidence but links to poster presentations not published studies, claims global reach but regulatory approvals are single-market…
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Neulasta (Amgen)

(https://neulasta.com) 📸 Data Snapshot: May 30, 2026

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🏗️ Semantic Structure — heading hierarchy & page identity (Info Density · Commodity Fingerprint)
HOMEPAGE Neulasta® (pegfilgrastim) Onpro® | Helping Prevent FN (https://neulasta.com)
Title

Neulasta® (pegfilgrastim) Onpro® | Helping Prevent FN

Meta

Learn about Neulasta® (pegfilgrastim) and Neulasta® Onpro® on-body injector.

H2 On-body Injector Patient Instructions for Use:
H2 Onpro® Kit HCP Instructions for Use:
H2 Neulasta® Onpro® helps you fight the risk of infection from home and reduces your risk of being hospitalized*
H2 How can you fight your risk of infection and hospitalization?
H2 Neulasta® Onpro® helps protect you from infection without having to return to your doctor for another appointment*
H2 Neulasta® Onpro® delivers the medicine you need in the comfort of your home*
H2 Most prescriptions cost $5 or less out of pocket for Neulasta® PFS and Neulasta® Onpro®†
H3 ~1 million patients have used Neulasta® Onpro®
H3 Most prescriptions cost $5 or less out of pocket for Neulasta® PFS and Neulasta® Onpro®†
H3 Already using Onpro®?
H3 Important Safety Information
H5 Strong chemotherapy fights cancer. But it can also put you at risk for infection—and that can disrupt your cancer treatment plan
H6 Indication
H6 Before you receive Neulasta®, tell your healthcare provider about all of your healthcare conditions, including if you:
H6 What are the possible serious side effects of Neulasta®?
H6 If you have an allergic reaction during the delivery of Neulasta®, remove the on-body injector for Neulasta® by grabbing the edge of the adhesive pad and peeling off the on-body injector. Get emergency medical help right away.
NAV_HEADER_HEADING_REPEATED_BODY Resources | Neulasta® (pegfilgrastim) Onpro® (https://neulasta.com/resources/)
Title

Resources | Neulasta® (pegfilgrastim) Onpro®

Meta

Find helpful resources for patients on Neulasta (pegfilgrastim) Onpro®. Guides, disposal tips, and advice for traveling. See Full Safety & Prescribing Info.

H1 Resources for patients on Neulasta® Onpro® and their caregivers
H2 On-body Injector Patient Instructions for Use:
H2 Onpro® Kit HCP Instructions for Use:
H2 On-body Injector Patient Instructions for Use:
H2 Downloads
H2 Find support in the cancer community
H2 Injector Disposal Program
H2 Glossary of Chemo & Cancer Terms
H2 Frequently Asked Questions
H2 About Chemotherapy
H2 About Neulasta®
H2 About Neulasta Onpro®
H2 For Patients Already on Onpro® : Injector FAQs
H3 Important Safety Information
H4 Thank you. You have successfully submitted the form.
H5 Resources for patients on Neulasta® Onpro® and their caregivers
H5 What is chemotherapy?
H5 How does chemotherapy work?
H5 What is a chemo regimen?
H5 How is chemo given?
H5 What are the most common side effects of chemo?
H5 What are the most serious side effects of chemotherapy?
H5 What can happen to white blood cells during strong chemotherapy?
H5 How will I know if my white blood cell counts are low?
H5 What are the signs of an infection?
H5 What can I do to avoid getting an infection during strong chemo?
H5 What is Neulasta®?
H5 Who should receive Neulasta®?
H5 Who should not take Neulasta®?
H5 What should I tell my healthcare provider before taking Neulasta®?
H5 How does strong chemotherapy result in low white blood cell counts?
H5 What kind of drug is Neulasta®?
H5 What if I'm prescribed a biosimilar to Neulasta?
H5 How does Neulasta® work?
H5 What are the study results for Neulasta®?
H5 What are the possible serious side effects of Neulasta®?
H5 What are the most common side effects of Neulasta®?
H5 Do I need to be aware of any drug interactions with Neulasta®?
H5 What are the ingredients in Neulasta®?
H5 Are there any co-pay and reimbursement resources available for patients prescribed Neulasta®?
H5 How will I receive Neulasta®?
H5 Do I have to return to the doctor’s office the day after chemotherapy to get my Neulasta® injection?
H5 Who should I contact if I have additional questions about Neulasta®?
H5 What is Neulasta® Onpro®?
H5 What is the on-body injector for Neulasta®?
H5 How is the on-body injector for Neulasta® applied?
H5 How does the on-body injector for Neulasta® work?
H5 What should I avoid while the on-body injector for Neulasta® is in place?
H5 How should I dispose of the on-body injector for Neulasta®?
H5 Who should I contact if I have additional questions about Neulasta® Onpro®?
H5 What to do if you hear beeping or when you look at the status light and it is flashing red?
H5 What to do if the on-body injector adhesive becomes noticeably wet (saturated) with fluid, or you see dripping?
H5 What do I do if the on-body injector comes off before the full dose is delivered?
H5 What if there is blood at my application site after the on-body injector has been removed?
H5 What if my application site is red or tender after on-body injector removal?
H5 What does a red light mean?
H5 Can I bathe with the on-body injector?
H5 What is the green flashing light?
H5 Can I use a hot tub or sauna while wearing the on-body injector?
H5 Is it okay to hear clicking while delivery is ongoing?
H6 Indication
H6 Neulasta® Brochure
H6 Doctor Discussion Guide
H6 Traveling with Neulasta® Onpro®?
H6 On-body Injector Instructions for Use
H6 Onpro® Kit Instructions for Use
H6 Prefilled Syringe Instructions for Use
H6 American Cancer Society® (ACS)
H6 Cancer Hope Network
H6 Cancer Support Community®
H6 National Cancer Institute (NCI)
H6 National Comprehensive Cancer Network® (NCCN®)
H6 Patient Advocate Foundation (PAF)
H6 Prevent Cancer Foundation (PCF)
H6 Before you receive Neulasta®, tell your healthcare provider about all of your healthcare conditions, including if you:
H6 What are the possible serious side effects of Neulasta®?
H6 If you have an allergic reaction during the delivery of Neulasta®, remove the on-body injector for Neulasta® by grabbing the edge of the adhesive pad and peeling off the on-body injector. Get emergency medical help right away.
NAV_HEADER_HEADING_REPEATED_BODY Infection Caused by Chemo | Neulasta® (pegfilgrastim) Onpro® (https://neulasta.com/infection-caused-by-chemo/)
Title

Infection Caused by Chemo | Neulasta® (pegfilgrastim) Onpro®

Meta

Low white blood cell count caused by chemotherapy can put you at risk for infection called febrile neutropenia.

H2 On-body Injector Patient Instructions for Use:
H2 Onpro® Kit HCP Instructions for Use:
H2 Chemo and your white blood cells
H2 Reducing your risk of infection
H2 How Neulasta® works
H2 Neulasta® (pegfilgrastim) Onpro® helps reduce your FN risk without having to return to the doctor's office.
H3 About febrile neutropenia and how it can derail your treatment
H3 Next-day Neulasta® reduced the incidence of FN by 94% and reduced FN‑related hospitalizations by 93%
H3 Explore Tools & Resources
H3 Important Safety Information
H5 Strong chemotherapy puts your body at risk for infection that can disrupt your cancer treatments
H5 Pegfilgrastim is a common white blood cell booster, or a granulocyte colony-stimulating factor (G‑CSF), which is prescribed to prevent febrile neutropenia (FN). Neulasta® is the #1 prescribed brand of pegfilgrastim.* Neulasta® offers Onpro®, the first on-body injector designed to automatically deliver your Neulasta® at the right time.†
H6 Indication
H6 Before you receive Neulasta®, tell your healthcare provider about all of your healthcare conditions, including if you:
H6 What are the possible serious side effects of Neulasta®?
H6 If you have an allergic reaction during the delivery of Neulasta®, remove the on-body injector for Neulasta® by grabbing the edge of the adhesive pad and peeling off the on-body injector. Get emergency medical help right away.
NAV_HEADER_HEADING_REPEATED_BODY Stay at home with Neulasta® (pegfilgrastim) Onpro® | Neulasta® Onpro® (https://neulasta.com/stay-at-home-with-neulasta-onpro/)
Title

Stay at home with Neulasta® (pegfilgrastim) Onpro® | Neulasta® Onpro®

Meta

Learn about the benefits of having your Neulasta® (pegfilgrastim) delivered at home via Neulasta® Onpro®.

H1 ~1 million patients have received Neulasta® Onpro®
H2 On-body Injector Patient Instructions for Use:
H2 Onpro® Kit HCP Instructions for Use:
H2 Neulasta® Onpro® may be able to help with these common challenges
H2 How the Neulasta® Onpro® on-body injector works
H2 Applying and removing the on-body injector
H2 A PodPal™ adds extra adhesion
H2 Used by ~1 million patients
H2 What patients think
H3 95% of patients would choose Onpro® again
H3 Explore Tools & Resources
H3 Important Safety Information
H5 ~1 million patients have received Neulasta® Onpro® Neulasta® Onpro® reduces the risk of febrile neutropenia without having to go back to the doctor's office*
H6 Indication
H6 Before you receive Neulasta®, tell your healthcare provider about all of your healthcare conditions, including if you:
H6 What are the possible serious side effects of Neulasta®?
H6 If you have an allergic reaction during the delivery of Neulasta®, remove the on-body injector for Neulasta® by grabbing the edge of the adhesive pad and peeling off the on-body injector. Get emergency medical help right away.
📝 The Narrative — clean text per page (Info Density · Semantic Coherence)
HOMEPAGE (https://neulasta.com) Neulasta® (pegfilgrastim) Onpro® | Helping Prevent FN
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[H3]

[H3]
Important Safety Information
Do not take Neulasta® if you have had a serious allergic reaction to pegfilgrastim or filgrastim.
[H6] Before you receive Neulasta®, tell your healthcare provider about all of your healthcare conditions, including if you:
Have a sickle cell disorder
Have had severe skin reactions to acrylic adhesives
Are allergic to latex – The needle cap on the prefilled syringe contains dry natural rubber (derived from latex).
Have kidney problems
Are pregnant or plan to become pregnant. It is not known if Neulasta® may harm your unborn baby.
Are breastfeeding or plan to breastfeed. It is not known if Neulasta® passes into your breast milk.
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
[H6] What are the possible serious side effects of Neulasta®?
Spleen Rupture. Your spleen may become enlarged and can rupture while taking Neulasta®. A ruptured spleen can cause death. Call your healthcare provider right away if you have pain in the left upper stomach area or left shoulder tip area.
A serious lung problem called Acute Respiratory Distress Syndrome (ARDS). Call your healthcare provider or get emergency medical help right away if you have shortness of breath with or without a fever, trouble breathing, or a fast rate of breathing.
Serious Allergic Reactions. Neulasta® can cause serious allergic reactions. These reactions can cause a rash over your whole body, shortness of breath, wheezing, dizziness, swelling around your mouth or eyes, fast heart rate and sweating.
[H6] If you have an allergic reaction during the delivery of Neulasta®, remove the on-body injector for Neulasta® by grabbing the edge of the adhesive pad and peeling off the on-body injector. Get emergency medical help
right away.
Sickle Cell Crises. You may have a serious sickle cell crisis, which could lead to death, if you have a sickle cell disorder and receive Neulasta®.
Kidney injury (glomerulonephritis). Neulasta® can cause kidney injury. Call your healthcare provider right away if you develop any of the following symptoms: swelling of your face or ankles, blood in your urine or dark colored urine, or you urinate less than usual.
Increased white blood cell count (leukocytosis). Your healthcare provider will check your blood during treatment with Neulasta®.
Decreased platelet count (thrombocytopenia). Your healthcare provider will check your blood during treatment with Neulasta®. Tell your healthcare provider if you have unusual bleeding or bruising during treatment with Neulasta®. This could be a sign of decreased platelet counts, which may reduce the ability of your blood to clot.
Capillary Leak Syndrome. Neulasta® can cause fluid to leak from blood vessels into your body’s tissues. This condition is called "Capillary Leak Syndrome" (CLS). CLS can quickly cause you to have symptoms that may become life-threatening. Get emergency medical help right away if you develop any of the following symptoms:
Swelling or puffiness and are urinating less than usual
Trouble breathing
Swelling of your stomach area (abdomen) and feeling of fullness
Dizziness or feeling faint
A general feeling of tiredness
Myelodysplastic syndrome and acute myeloid leukemia. If you have breast cancer or lung cancer, when Neulasta® is used with chemotherapy and radiation therapy, or with radiation therapy alone, you may have an increased risk of developing a precancerous blood condition called myelodysplastic syndrome (MDS) or a blood cancer called acute myeloid leukemia (AML). Symptoms may include tiredness, fever, and easy bruising or bleeding. Call your healthcare provider if you develop these symptoms during treatment with Neulasta®.
Inflammation of the aorta (aortitis). Inflammation of the aorta (the large blood vessel which transports blood from the heart to the body) has been reported in patients who received Neulasta®. Symptoms may include fever, abdominal pain, feeling tired, and back pain. Call your healthcare provider if you experience these symptoms.
The most common side effect of Neulasta® is pain in your bones and in your arms and legs.
These are not all the possible side effects of Neulasta®. Call your healthcare provider for medical advice about side effects. You may report negative side effects to the FDA at 1-800-FDA-1088.
Please see Neulasta® Patient Information.
Neulasta® Injection: 6 mg/0.6 mL in a single-dose prefilled syringe for manual use only.
Neulasta® Injection: 6 mg/0.6 mL in a single-dose prefilled syringe co-packaged with the on-body injector (OBI) for Neulasta® (Neulasta® Onpro® kit).

See More

[H5]

Important Safety Information
Do not take Neulasta® if you have had a serious allergic reaction to pegfilgrastim or filgrastim.
Before you receive Neulasta®, tell your healthcare provider about all of your healthcare conditions, including if you:
• Have a sickle cell disorder
• Have had severe skin reactions to acrylic adhesives
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SUB-PAGE (https://neulasta.com/resources/) Resources | Neulasta® (pegfilgrastim) Onpro®
[H5] What is chemotherapy?
Chemotherapy (chemo) is a type of treatment that includes a medication or combination of medications to treat cancer. The goal of chemo is to stop or slow the growth of cancer cells. Chemo is considered a systemic therapy. This means it may affect your entire body.
Chemo medications attack fast-growing cancer cells, but they can also affect healthy cells that grow rapidly. The effect of these medications on normal cells often causes chemo side effects. For example:
A number of blood cells that divide rapidly can be damaged along with cancer cells during chemo:
White blood cells help protect the body from infection. A low white blood cell count is known as neutropenia. If your white blood cell count gets too low, you could get an infection.
Red blood cells carry oxygen throughout your body. A low red blood cell count is known as anemia. Anemia can lead to fatigue, chest pain, and more serious complications.
Platelets are structures in the blood that help stop bleeding. A low platelet cell count is known as thrombocytopenia. A low platelet count can cause bruising and bleeding.

Hair follicles have cells that can be affected by chemo, leading to hair loss, also called alopecia.
Cells lining your stomach can also be affected by chemo. This can cause vomiting and diarrhea, and may be associated with nausea.
[H5] How does chemotherapy work?
The goal of chemotherapy (chemo) is to kill cancer cells or slow the growth of cancer over time. Chemo is often given several times over weeks or months in what is known as a course of treatment. A course of treatment is made up of a series of treatment periods, called cycles. During a cycle, you may get chemo every day for one or more days. Since chemo also kills normal cells, these chemo days are followed by periods of rest when you receive no treatment. This rest lets your body recover and produce new healthy cells.
[H5] What is a chemo regimen?
Your doctor will create a plan, or regimen, that includes the type of chemo medications you will receive. The regimen also includes the medication dose and how often you will receive it. Your doctor will choose certain medications that can best fight your cancer.
[H5] How is chemo given?
Chemotherapy (chemo) treatment plans may use a single medication or a combination (or "cocktail") of medications that can be delivered in more than one way. You may receive chemo in one or more of the following forms:
Injection. Types of injection include:
Subcutaneous (SQ): Chemo given as a shot just under the skin
Intramuscular (IM): Chemo given as a shot directly into a muscle
Intravenous (IV): Chemo given as a shot directly into a vein

IV infusion: Chemo medications are dripped through a tube that is attached to a needle and put into a vein
Oral: Chemo taken by mouth as a pill or liquid
Topical: A cream containing the chemo medication that is rubbed into the skin
Intra-arterial (IA): Chemo delivered into an artery that is connected to the tumor
Intraperitoneal (IP): Chemo given directly into the area that contains the intestines, stomach, liver, ovaries, etc. This area is called the peritoneal cavity.
[H5] What are the most common side effects of chemo?
Most people undergoing chemotherapy (chemo) will have chemo side effects. These can vary from person to person. Common chemo side effects include:
Hair loss, also called alopecia
Nausea and vomiting
Fatigue
Neutropenia, a low number of white blood cells. White blood cells help you fight infections.
Anemia, caused by a low number of red blood cells. Red blood cells carry oxygen throughout the body.
Thrombocytopenia, a low number of platelets. Platelets help the blood to clot to stop bleeding.
Trouble with memory
Mouth sores
Learn more about neutropenia and white blood cells here.
[H5] What are the most serious side effects of chemotherapy?
Some chemo side effects can be serious. These may include febrile neutropenia, anemia, thrombocytopenia, fatigue, and nausea and vomiting. You can learn more about these serious chemo side effects by talking to your doctor.
Learn more about how febrile neutropenia can disrupt your treatment plan here.
[H5] What can happen to white blood cells during strong chemotherapy?
White blood cells are a key part of your immune system. At natural levels, white blood cells help protect your body against infection. Strong chemotherapy can lower the number of infection-fighting white blood cells in your body, which may weaken your immune system and increase your risk for infection.
Learn more about the role of white blood cells here.
[H5] How will I know if my white blood cell counts are low?
Your doctor may routinely use a test called a complete blood count (a CBC) before and during your chemotherapy treatment. A CBC can help tell if a patient is at increased risk of or has an infection.
[H5] What are the signs of an infection?
If you’re getting strong chemo, watch for these signs of infection. It’s very important to tell your doctor or nurse if you experience the following:
Fever
Chills, cough, or sore throat
Constipation, loose stools, or diarrhea
Painful or frequent urination
Mouth ulcers or sores in the throat
Unusual vaginal discharge or itching
Redness, swelling, or soreness in the skin around an implanted port
Shortness of breath, chest pain
Irregular or rapid heartbeat
Blood in urine or stool
[H5] What can I do to avoid getting an infection during strong chemo?
During strong chemo, you may be at risk for infection. There may be ways you can help protect yourself.
Here are some things you can do:
Wash your hands frequently with soap and water. This is especially important after you use the toilet and before cooking and eating.
Avoid people who have diseases—such as colds or the flu—that you can catch.
Clean cuts and scrapes right away with warm water and soap. Cover with a bandage. Ask your doctor and care team if using antibiotic creams is right for you.
Avoid crowds where germs can be rampant.
Be careful not to cut or nick yourself. Use an electric shaver instead of a razor. Wear protective gloves when gardening or cleaning to avoid cuts and scrapes.

[H5] What is Neulasta®?
Neulasta® is a prescription medicine used to help reduce the chance of infection due to a low white blood cell count, in people with certain types of cancer (non-myeloid), who receive anti-cancer medicines (chemotherapy) that can cause fever and low blood cell count.
To learn more about how Neulasta® works, watch the video here.
[H5] Who should receive Neulasta®?
Neulasta® is a prescription medication used to help reduce the chance of infection due to a low white blood cell count, in people with certain types of cancer (non-myeloid), who receive anti-cancer medicines (chemotherapy) that can cause fever and low blood cell count. Talk to your doctor to see if Neulasta® may be appropriate for you.
[H5] Who should not take Neulasta®?
Do not take Neulasta® if you have had a serious allergic reaction to Neulasta® (pegfilgrastim) or to NEUPOGEN® (filgrastim). Talk to your doctor to see if Neulasta® may be appropriate for you.
[H5] What should I tell my healthcare provider before taking Neulasta®?
Before you receive Neulasta®, tell your healthcare provider if you:
Have sickle cell trait or sickle cell disease
Have had severe skin reactions to acrylic adhesives
Are allergic to latex
Have problems with your kidneys
Have any other medical problems
Are pregnant or plan to become pregnant. It is not known if Neulasta® may harm your unborn baby.
Are breastfeeding or plan to breastfeed. It is not known if Neulasta® passes into your breast milk.
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Learn more about what to discuss with your doctor with our doctor discussion guide here.
[H5] How does strong chemotherapy result in low white blood cell counts?
While chemotherapy is fighting cancer cells, it can also harm normal cells in the body that divide rapidly. Strong chemotherapy described as myelosuppressive (my-eh-lo-suh-press-iv) can lower the number of infection-fighting white blood cells called neutrophils in your body. White blood cells are a key part of your immune system.
Learn more about the role of white blood cells here.
[H5] What kind of drug is Neulasta®?
Medications like Neulasta® may be called white blood cell boosters because they help your body produce more infection-fighting white blood cells during strong chemotherapy. These medications are man-made forms of a substance called granulocyte (gran-yoo-loh-site) colony-stimulating factor (G-CSF) that is naturally produced by the body. They stimulate the growth of a type of white blood cell called neutrophils, which are important in the body's fight against infection.
[H5] What if I'm prescribed a biosimilar to Neulasta?
A biosimilar is a highly similar version of an approved biologic medicine. Biologics and biosimilars are both made from living cells. Biosimilars must provide the same treatment benefit as the original biologic.
Only Neulasta has an FDA approved on-body injector called Neulasta Onpro.
[H5] How does Neulasta® work?
Neulasta® works like a natural protein in your body to promote the growth of new white blood cells. Neulasta® helps protect against the risk of infection and is a prescription medication given approximately 24 hours after you receive chemotherapy treatment to help protect you through that cycle.
To learn more about how Neulasta® works, watch the video here.
[H5] What are the study results for Neulasta®?
In a key study of 928 patients with breast cancer who received up to 4 cycles of strong chemotherapy, one group of patients received Neulasta® (the study group), while the other group did not receive Neulasta® (the placebo group). Neulasta® was shown to help protect against the risk of infection with fever (sometimes called febrile neutropenia or neutropenic fever) through strong chemo treatment. The most common side effect experienced with Neulasta® was aching in the bones or muscles.
To see more data, view the information here.
[H5] What are the possible serious side effects of Neulasta®?
The possible serious side effects of Neulasta® include:
Spleen Rupture. Your spleen may become enlarged and can rupture while taking Neulasta®. A ruptured spleen can cause death. Call your doctor right away if you have pain in the left upper stomach area or left shoulder tip area. This pain could mean your spleen is enlarged or ruptured.
A serious lung problem called Acute Respiratory Distress Syndrome (ARDS). Call your healthcare provider or get emergency medical help right away if you get any of these symptoms of ARDS: fever, shortness of breath, trouble breathing, or a fast rate of breathing.
Serious Allergic Reactions. Get emergency medical help right away if you get any of these symptoms of a serious allergic reaction with Neulasta®: shortness of breath, wheezing, dizziness, swelling around the mouth or eyes, fast pulse, sweating, and hives.
If you have an allergic reaction during the delivery of Neulasta®, remove the on-body injector for Neulasta® by grabbing the edge of the adhesive pad and peeling off the on-body injector. Get emergency medical help right away.
Sickle Cell Crises. Severe sickle cell crises, and sometimes death, can happen in people with sickle cell trait or disease who receive filgrastim, a medicine similar to Neulasta®.
Kidney injury (glomerulonephritis). Kidney injury has been seen in patients who received Neulasta®. You should notify your healthcare provider right away if you experience puffiness in your face or ankles, blood in your urine or brown colored urine or you notice you urinate less than usual.
Increased white blood cell count (leukocytosis). Your doctor will check your blood during treatment with Neulasta®.
Capillary Leak Syndrome. Neulasta® can cause fluid to leak from blood vessels into your body's tissues. This condition is called "Capillary Leak Syndrome" (CLS). CLS can quickly cause you to have symptoms that may become life-threatening. Get emergency medical help right away if you develop any of the following symptoms:
Swelling or puffiness and are urinating less often
Trouble breathing
Swelling of your stomach-area (abdomen) and feeling of fullness
Dizziness or feeling faint
A general feeling of tiredness

Tell your healthcare provider if you have any side effect that bothers you or that does not go away.
These are not all the possible side effects of Neulasta®. For more information, ask your doctor or pharmacist.
[H5] What are the most common side effects of Neulasta®?
The most common side effect of Neulasta® is pain in the bones and in your arms and legs. Tell your healthcare provider if you have any side effect that bothers you or that does not go away. These are not all the possible side effects of Neulasta®. For more information, ask your doctor or pharmacist.
For additional Important Safety Information, see below.
[H5] Do I need to be aware of any drug interactions with Neulasta®?
No formal drug interaction studies have been conducted. When discussing your treatment options, tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
[H5] What are the ingredients in Neulasta®?
The active ingredient in Neulasta® is pegfilgrastim. Inactive ingredients in Neulasta® include acetate, sorbitol, polysorbate 20, and sodium in water for injection.
[H5] Are there any co-pay and reimbursement resources available for patients prescribed Neulasta®?
Amgen Assist 360™ can help patients with insurance benefit verification and put them in touch with programs that may help them afford their prescribed medication, such as Neulasta FIRST STEP® or other independent nonprofit organizations.
Resources include referrals to independent nonprofit patient assistance programs. Eligibility for resources provided by independent nonprofit patient assistance programs is based on the nonprofits’ criteria. Amgen has no control over these programs and provides referrals as a courtesy only. Call 1-844-MYNEULASTA (1-844-696-3852) to learn more visit the Paying For Neulasta® Onpro® page here.
[H5] How will I receive Neulasta®?
Neulasta® is given as an injection under the skin at least 24 hours after you receive chemotherapy treatment to provide protection through that cycle. There are two ways in which you may receive your Neulasta®— either Neulasta® by manual injection or Neulasta® Onpro®. Your healthcare provider will choose with you which one is most appropriate.
[H5] Do I have to return to the doctor’s office the day after chemotherapy to get my Neulasta® injection?
Neulasta® is given as an injection under the skin at least 24 hours after you receive chemotherapy treatment to provide protection through that cyc
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SUB-PAGE (https://neulasta.com/infection-caused-by-chemo/) Infection Caused by Chemo | Neulasta® (pegfilgrastim) Onpro®
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[H3]

[H3]
Important Safety Information
Do not take Neulasta® if you have had a serious allergic reaction to pegfilgrastim or filgrastim.
[H6] Before you receive Neulasta®, tell your healthcare provider about all of your healthcare conditions, including if you:
Have a sickle cell disorder
Have had severe skin reactions to acrylic adhesives
Are allergic to latex – The needle cap on the prefilled syringe contains dry natural rubber (derived from latex).
Have kidney problems
Are pregnant or plan to become pregnant. It is not known if Neulasta® may harm your unborn baby.
Are breastfeeding or plan to breastfeed. It is not known if Neulasta® passes into your breast milk.
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
[H6] What are the possible serious side effects of Neulasta®?
Spleen Rupture. Your spleen may become enlarged and can rupture while taking Neulasta®. A ruptured spleen can cause death. Call your healthcare provider right away if you have pain in the left upper stomach area or left shoulder tip area.
A serious lung problem called Acute Respiratory Distress Syndrome (ARDS). Call your healthcare provider or get emergency medical help right away if you have shortness of breath with or without a fever, trouble breathing, or a fast rate of breathing.
Serious Allergic Reactions. Neulasta® can cause serious allergic reactions. These reactions can cause a rash over your whole body, shortness of breath, wheezing, dizziness, swelling around your mouth or eyes, fast heart rate and sweating.
[H6] If you have an allergic reaction during the delivery of Neulasta®, remove the on-body injector for Neulasta® by grabbing the edge of the adhesive pad and peeling off the on-body injector. Get emergency medical help
right away.
Sickle Cell Crises. You may have a serious sickle cell crisis, which could lead to death, if you have a sickle cell disorder and receive Neulasta®.
Kidney injury (glomerulonephritis). Neulasta® can cause kidney injury. Call your healthcare provider right away if you develop any of the following symptoms: swelling of your face or ankles, blood in your urine or dark colored urine, or you urinate less than usual.
Increased white blood cell count (leukocytosis). Your healthcare provider will check your blood during treatment with Neulasta®.
Decreased platelet count (thrombocytopenia). Your healthcare provider will check your blood during treatment with Neulasta®. Tell your healthcare provider if you have unusual bleeding or bruising during treatment with Neulasta®. This could be a sign of decreased platelet counts, which may reduce the ability of your blood to clot.
Capillary Leak Syndrome. Neulasta® can cause fluid to leak from blood vessels into your body’s tissues. This condition is called "Capillary Leak Syndrome" (CLS). CLS can quickly cause you to have symptoms that may become life-threatening. Get emergency medical help right away if you develop any of the following symptoms:
Swelling or puffiness and are urinating less than usual
Trouble breathing
Swelling of your stomach area (abdomen) and feeling of fullness
Dizziness or feeling faint
A general feeling of tiredness
Myelodysplastic syndrome and acute myeloid leukemia. If you have breast cancer or lung cancer, when Neulasta® is used with chemotherapy and radiation therapy, or with radiation therapy alone, you may have an increased risk of developing a precancerous blood condition called myelodysplastic syndrome (MDS) or a blood cancer called acute myeloid leukemia (AML). Symptoms may include tiredness, fever, and easy bruising or bleeding. Call your healthcare provider if you develop these symptoms during treatment with Neulasta®.
Inflammation of the aorta (aortitis). Inflammation of the aorta (the large blood vessel which transports blood from the heart to the body) has been reported in patients who received Neulasta®. Symptoms may include fever, abdominal pain, feeling tired, and back pain. Call your healthcare provider if you experience these symptoms.
The most common side effect of Neulasta® is pain in your bones and in your arms and legs.
These are not all the possible side effects of Neulasta®. Call your healthcare provider for medical advice about side effects. You may report negative side effects to the FDA at 1-800-FDA-1088.
Please see Neulasta® Patient Information.
Neulasta® Injection: 6 mg/0.6 mL in a single-dose prefilled syringe for manual use only.
Neulasta® Injection: 6 mg/0.6 mL in a single-dose prefilled syringe co-packaged with the on-body injector (OBI) for Neulasta® (Neulasta® Onpro® kit).

See More

[H5]

Important Safety Information
Do not take Neulasta® if you have had a serious allergic reaction to pegfilgrastim or filgrastim.
Before you receive Neulasta®, tell your healthcare provider about all of your healthcare conditions, including if you:
• Have a sickle cell disorder
• Have had severe skin reactions to acrylic adhesives
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SUB-PAGE (https://neulasta.com/stay-at-home-with-neulasta-onpro/) Stay at home with Neulasta® (pegfilgrastim) Onpro® | Neulasta® Onpro®
[H2] How the Neulasta® Onpro®
on-body injector works
Right after your strong chemo treatment, your healthcare provider will apply the on-body injector to your skin. The on-body injector is designed to automatically deliver your Neulasta® dose over 45 minutes, approximately 27 hours after application. Once your dose is complete, remove the injector and dispose of it according to the Patient Instructions for Use.
The summary does not replace the Patient Instructions for Use. If you are using Neulasta® Onpro®, it’s
important that you review the patient instructions and call your doctor if you have any questions.
[IMG: On Body Injector]

Fill indicator
The black line should be at “FULL” until dose
delivery starts. Check your instructions for
use for more information.

Adhesive pad
The pad attaches the on-body injector directly on
the skin on the back of your arm or abdomen.

Cannula window
Allows you to view the cannula
(a short, soft tube) that your
Neulasta® passes through during
the 45-minute dose delivery.

Audio
When you hear a beep, check the status light
and fill indicator. See your instructions for useto understand what these signals mean.

Status light
Flashing green: On-body injector is working properly.
Solid green (or turned off): Medication delivery should be complete. Check to see if the fill indicator reads “empty” and there is no noticeably wet adhesive.
Flashing red: On-body injector error—call your healthcare provider immediately.

[H2] Applying and removing the on-body injector
Watch this overview video to learn more about how your healthcare provider will apply the Neulasta® Onpro® on-body injector, how it is removed, and what to expect the next day.
This video does not replace the instructions for use. Please consult the instructions for
use when using the Neulasta® Onpro® kit.

To watch this video in Spanish, click here.
[H2] A PodPal™ adds extra adhesion
[IMG: PodPals Image]
For a more secure fit, an adhesive extender that fits around the on-body injector called a PodPal™ may be added by your doctor or nurse if they deem it appropriate. You can also ask your doctor or nurse about adding a PodPal™ when they put your Onpro® on-body injector in place.
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🛡️ Trust Signals — reviews, proof links, trust-theatre flag (Trust & Proof)
10Review mentions (all pages)
0External proof links (all pages)
PageReviewsProof links
/ (home) 2 0
/resources/ 3 0
/infection-caused-by-chemo/ 2 0
/stay-at-home-with-neulasta-onpro/ 3 0
🔗 Identity & Technical Layer — schema JSON-LD: identity chains, entity gaps (Identity & Authority)
Homepage — no schema detected (entity gap)
/resources/ — no schema detected (entity gap)
/infection-caused-by-chemo/ — no schema detected (entity gap)
/stay-at-home-with-neulasta-onpro/ — no schema detected (entity gap)

Your Diagnosis

Before revealing the machine’s verdict, predict the BS score for each signal. Higher = more BS (more fluff, less verifiable substance). Drag each slider, then submit to compare your judgment against the engine.

Information Density 0 / 30
Read the Narrative & headings: do hard facts (prices, dates, numbers) outweigh fluff power-words?
Semantic Coherence 0 / 20
Compare the homepage promise against the sub-page reality. Do they hold the same line?
Trust & Proof 0 / 20
Weigh review mentions against actual external proof links. Claims without verification = theatre.
Commodity Fingerprint 0 / 15
Check headings & narrative against the industry clichés in the setup above.
Identity & Authority 0 / 15
Inspect the schema: is there real Organization/Person identity with sameAs links, or gaps?
Your predicted BS score 0 / 100
💡 Stuck? Reveal the heuristic lens — how the deterministic page-auditor reads each signal (no AI, pure pattern rules)

These are the structural rules a local, deterministic auditor applies — the same lens you can use to judge each signal. They describe what to look for, not this company’s result.

Information Density

Classify each sentence as substantive or hollow. Grounding markers — numbers, currencies, dates, technical units, named entities — outweigh marketing adjectives. When fluff sits right next to hard evidence, the fluff is forgiven.

Semantic Alignment

Pull the main entities out of the H1, then check whether they actually recur through the body. A page that announces one thing and then talks about another drifts. Headings with no real sentences underneath read as pseudo-substance.

Trust & Proof

Count trust words (review, testimonial, rating, verified) against real outbound proof links (Google, Trustpilot, Clutch, G2, Yelp). Lots of trust language with zero verification links is trust theatre. Unlinked logo galleries count against it.

Commodity Fingerprint

Look at how much sentence length varies. Natural writing varies its rhythm; templated or mass-produced copy is statistically uniform. Very low variation reads as commodity content — unless unique named entities break the pattern.

Identity & Authority

Inspect the JSON-LD. Is there an Organization or Person schema, and does it carry sameAs links to real external profiles (LinkedIn, socials)? Missing schema or no identity declaration signals an anonymous entity.

Want to apply this lens yourself? The free BS Indicator Chrome extension runs these heuristic checks live on any page. Bear in mind it is a single-page, deterministic tool — it relies only on pattern rules for the page in front of it and does not perform the cross-page semantic correlation this audit uses, so its readout is a starting lens, not the full verdict.

B
BS Level
Medical Devices, Pharma & Biotech
40.7 Avg BS

Based on 784 businesses audited.

BS Detector

Medical Devices, Pharma & Biotech BS: Neulasta (Amgen) (neulasta.com)

https://neulasta.com 📍 Industry: Medical Devices, Pharma & Biotech
26 BS / 100

This is a substance-heavy pharmaceutical site where the BS score is suppressed by strict regulatory compliance and clinical data. The primary indicators of bullshit are technical (missing schema and H1 tags) and the presence of unverified ‘trust theatre’ metrics like unlinked patient satisfaction percentages.

Info Density Power-words vs. Substance ratio.
6
20% BS
Semantic Coherence Homepage promise vs. Sub-page reality.
0
0% BS
Trust & Proof Verifiable evidence vs. Trust Theatre.
10
50% BS
Commodity Fingerprint Detection of industry clichés/templates.
3
20% BS
Identity & Authority Expert verifiability & Schema depth.
7
47% BS

Implement comprehensive Product and HealthcareOrganization schema to programmatically anchor the brand’s authority and product specifications. Fix the technical implementation by adding descriptive H1 tags to the homepage and infection-related pages. Replace internal brochure links with direct outbound citations to the original peer-reviewed studies to move beyond trust theatre. Consolidate repetitive value proposition blocks to improve the unique information density of each sub-page.

The site is an exact match for the Pharma and Biotech category, utilizing highly specialized medical terminology such as febrile neutropenia (FN), granulocyte colony-stimulating factor (G-CSF), and myelosuppressive chemotherapy. The content structure is dictated by regulatory requirements, focusing on the mechanism of action and therapeutic area of pegfilgrastim.

“The score of 26 represents low BS. The score was driven up by the trust_and_proof pillar (10 points) due to the presence of unverified review counts and the identity_and_authority pillar (7 points) due to the complete lack of structured data. Information density is high, but the repetitive nature of the content prevented a perfect score in that category.”

Verified Analysis Date: May 30, 2026 © 1EuroSEO Independent Evaluator — Non-Sponsored Result
Brand AI Reputation