Gibson Pharmacy – Complete Guide to Increlex (Mecasermin) for Severe Primary IGF-1 Deficiency, Buy Hgh Online

Gibson Pharmacy is a fully licensed, legal pharmacy operating in compliance with FDA, DEA, and state board of pharmacy regulations. Increlex (mecasermin) is a hgh prescription medication indicated for the treatment of severe primary IGF‑1 deficiency (SPIGFD) in children. This guide is for informational and educational purposes only.

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Note: Increlex (mecasermin) is recombinant human insulin‑like growth factor‑1 (IGF‑1) , not human growth hormone (hGH). While recombinant human growth-hormone (somatropin) is used for growth hormone deficiency, Increlex is used when the body cannot respond to growth hormone (GH insensitivity). The difference relates to the growth hormone binding-protein and hGH native-protein pathways. Understanding recombinant human growth vs. recombinant human IGF‑1 is essential: native protein is produced by the pituitary; recombinant growth hormone is manufactured for GH deficiency. The growth hormone binding protein transports GH in the blood; when GH resistance occurs, even normal recombinant-human growth hormone levels may not produce adequate IGF‑1.

What Is Increlex (Mecasermin)?

Increlex is the brand name for mecasermin, a recombinant human insulin‑like growth factor‑1 (IGF‑1). Unlike human growth hormone (hGH), which stimulates the liver to produce IGF‑1, mecasermin directly acts on tissues to promote growth. It is indicated for children with severe primary IGF‑1 deficiency (SPIGFD), a condition where the body produces normal or elevated growth hormone but cannot generate sufficient IGF‑1.

Product Specifications

Feature	Increlex
Active ingredient	Mecasermin (recombinant human IGF‑1)
Available strength	10 mg/mL (40 mg/4 mL multiple‑dose vial)
Formulation	Solution for subcutaneous injection
Administration	Subcutaneous injection (under the skin) twice daily
Status	Prescription medication (Rx)
Manufacturer	Ipsen Biopharmaceuticals
FDA Approval	2005 (for SPIGFD)

How Does Increlex Work?

In children with severe primary IGF‑1 deficiency (SPIGFD), the body produces normal or even elevated levels of recombinant growth hormone but the liver cannot produce adequate IGF‑1 due to GH resistance (often caused by mutations in the growth hormone binding or GH receptor). The hGH native-protein circulates bound to growth hormone binding-protein; defects in this system prevent proper signaling.

Increlex bypasses this defect by directly providing synthetic IGF‑1, which then binds to IGF‑1 receptors on target tissues (bone, cartilage, muscle), stimulating linear growth. The primary goal is to increase growth velocity in children who otherwise would have severe short stature.

Uses of Increlex (Mecasermin)

FDA-Approved Indication

Increlex is indicated for the treatment of growth failure in children with severe primary IGF‑1 deficiency (SPIGFD), defined as:

• Height standard deviation score (SDS) ≤ -3.0

• Basal IGF‑1 SDS ≤ -3.0

• Normal or elevated growth hormone levels

• Exclusion of secondary forms of IGF‑1 deficiency (malnutrition, hypothyroidism, chronic disease)

Important Limitations

• Increlex is not indicated for the treatment of GH deficiency (use recombinant human growth hormone instead)

• Increlex is not indicated for the treatment of secondary IGF‑1 deficiency (caused by malnutrition, hypothyroidism, or chronic disease)

• Increlex is not indicated for anti‑aging or athletic performance enhancement

• Safety and efficacy have not been established in adults

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Advantages of Increlex

When prescribed appropriately for documented severe primary IGF‑1 deficiency, Increlex offers significant advantages:

1. Directly provides IGF‑1: Bypasses the GH receptor defect, allowing growth even when GH is ineffective

2. Proven growth velocity increase: Clinical studies demonstrate significant increases in height velocity (annualized growth rate) in treatment‑naïve children

3. Long‑term sustained growth: Continued treatment maintains catch‑up growth

4. Subcutaneous injection regimen: Twice‑daily dosing (compared to daily GH injection for GH deficiency)

5. Well‑studied rare disease drug: FDA‑approved specifically for SPIGFD

6. Targeted therapy for a specific genetic defect: Addresses the root cause of GH insensitivity

7. May improve body composition and bone density: In addition to linear growth

Clinical Trial Results

In a 2‑year study of treatment‑naïve children with SPIGFD:

• Year 1: Mean height velocity increased from baseline of ~3.0 cm/year to ~8.0 cm/year

• Year 2: Sustained growth velocity of ~6‑7 cm/year

• Significant catch‑up growth in height SDS

Disadvantages and Risks

Boxed Warning: Hypoglycemia

Increlex can cause severe hypoglycemia (low blood sugar). Because IGF‑1 has insulin‑like activity, blood glucose levels may drop significantly, especially within 20‑30 minutes after injection. Patients must consume a meal or snack within 20 minutes of each dose.

Common Side Effects (>10%)

Side Effect	Frequency
Hypoglycemia (low blood sugar)	Very common (42‑52%)
Injection site reactions (pain, redness, swelling)	Very common
Tonsillar hypertrophy (enlarged tonsils)	Common (increased sleep apnea risk)
Arthralgia (joint pain)	Common
Headache	Common
Myalgia (muscle pain)	Common
Otalgia (ear pain)	Occasional
Lymphadenopathy (swollen lymph nodes)	Occasional

Serious Adverse Events (Rare but Severe)

• Severe hypoglycemia with seizure or loss of consciousness: Requires immediate medical treatment

• Intracranial hypertension (pseudotumor cerebri): Headache, vomiting, vision changes

• Thymus hypertrophy (enlarged thymus): Monitor for respiratory symptoms

• Hypersensitivity reactions (anaphylaxis): Rare

• Slipped capital femoral epiphysis (hip avascular necrosis risk)

• Progression of pre‑existing scoliosis

Contraindications (Do NOT Use If)

Increlex is contraindicated in patients with:

• Closed epiphyses (children who have finished growing – no benefit)

• Active or suspected malignancy (IGF‑1 has anti‑apoptotic properties)

• Known hypersensitivity to mecasermin or any component

• Hypoglycemia (untreated or recurrent, unless managed with strict meal schedule)

Warnings and Precautions

Hypoglycemia Management:

• Blood glucose must be monitored regularly

• Patient/caregiver must recognize symptoms of hypoglycemia (sweating, shaking, confusion, vision changes)

• A meal or snack must be consumed within 20 minutes of each dose

• If the patient cannot eat, the dose should be withheld

Lymphoid Tissue Hypertrophy:

• Tonsillar hypertrophy may cause sleep apnea or respiratory compromise

• Monitor for snoring, difficulty swallowing, or breathing disturbances

Intracranial Hypertension:

• Monitor for headache, vomiting, visual changes

• May require temporary discontinuation

What to Know Before Taking Increlex

Medical Conditions to Disclose

Tell your doctor if the child has:

• Diabetes (or family history)

• History of low blood sugar (hypoglycemia)

• Seizure disorder

• Sleep apnea or large tonsils

• Scoliosis

• History of cancer

• Liver or kidney disease

Required Monitoring

Children on Increlex require regular monitoring of:

• Blood glucose (before and after doses; baseline HbA1c)

• Height, weight, growth velocity

• IGF‑1 levels (to avoid supraphysiological levels)

• Tonsillar hypertrophy (sleep study if indicated)

• Scoliosis progression

Drug Interactions

Interacting Drug	Effect
Insulin / oral hypoglycemics	Additive hypoglycemia – avoid concomitant use
Glucocorticoids (corticosteroids)	May antagonize growth‑promoting effect
Growth hormone (somatropin)	Not indicated in SPIGFD; combination safety unknown

Pregnancy and Breastfeeding

Increlex is not indicated for use in adults. No adequate studies in pregnant or nursing women.

Hypoglycemia Education

All caregivers must be trained to recognize and treat hypoglycemia:

• Symptoms: sweating, tremors, confusion, dizziness, weakness, blurred vision, hunger, rapid heartbeat, seizure, loss of consciousness

• Treatment: oral glucose (juice, glucose tablets) if conscious; glucagon injection if unconscious

• Immediate medical attention for severe hypoglycemia

Dosage and Administration

Recommended Dosing (Children with SPIGFD)

Phase	Dose	Frequency	Duration
Starting dose	0.04 mg/kg (40 mcg/kg)	Twice daily (subcutaneous)	Administer immediately before meal/snack
Titration	Increase by 0.04 mg/kg per dose as tolerated, up to 0.12 mg/kg twice daily	Twice daily	Evaluate after 1‑2 weeks

Maximum single dose: 0.12 mg/kg twice daily (0.24 mg/kg total daily)

Dose adjustment:

• If hypoglycemia occurs, reduce to the previous tolerated dose

• If growth response is inadequate and no side effects, may titrate higher under specialist guidance

Administration Instructions (Increlex Pen or Syringe)

1. Wash hands thoroughly

2. Select injection site (thigh, abdomen, buttocks, or upper arm) – rotate sites

3. Clean site with alcohol wipe

4. Administer subcutaneous injection using the Increlex pen (if prescribed) or insulin syringe

5. Consume a meal or snack within 20 minutes of injection (essential to prevent hypoglycemia)

6. Dispose of needle in sharps container

Important Notes

• Do not inject intravenously or intramuscularly

• Do not shake the vial

• Do not freeze

• Once opened, the multiple‑dose vial should be used within 28 days

• Rotate injection sites to avoid lipohypertrophy

Effects and After Effects

Short‑Term Effects (First Days to Weeks)

Therapeutic Effects:

• Initial increase in growth velocity (may take several months to measure)

Common Short‑Term Side Effects:

• Hypoglycemia (usually 20‑30 minutes after injection) – prevented by eating

• Injection site pain, redness, swelling

• Mild joint or muscle aches

Medium‑Term Effects (Months)

• Accelerated linear growth (increased height velocity)

• Improved height SDS (standard deviation score)

• Catch‑up growth toward normal percentiles

Long‑Term Effects (Years)

• Achievement of adult height (in many patients)

• Prevention of extreme short stature

• Improved body composition (lean mass, reduced fat)

After Effects (Discontinuation)

If Increlex is discontinued:

• Growth velocity returns to baseline (very slow growth)

• No withdrawal symptoms (other than loss of growth benefit)

• Patients will likely remain short for their age without treatment

Hypoglycemia Precautions

Essential Rule: Do NOT inject Increlex unless the child will eat within 20 minutes. If the child refuses to eat or is ill (vomiting, inability to eat), the dose should be withheld. Contact the pediatric endocrinologist for guidance.

Allergies, Conditions, or Health Issues

Allergic Reactions (Seek Emergency Care)

• Rash, hives, or itching

• Swelling of the face, lips, tongue, or throat (angioedema)

• Difficulty breathing or wheezing

• Anaphylaxis (rare)

Special Populations

Population	Consideration
Children with closed epiphyses	Not indicated (no growth benefit)
Children with active malignancy	Contraindicated (IGF‑1 is anti‑apoptotic)
Children with severe hypoglycemia risk	May require dose adjustment or discontinuation
Children with tonsillar hypertrophy	Monitor for sleep apnea; may require ENT evaluation
Children with scoliosis	Monitor for progression

Food, Drinks, and Activities to Avoid

Substance/Food	Interaction	Recommendation
Meal within 20 minutes	Required to prevent hypoglycemia	Must eat before or within 20 minutes after injection
High‑sugar foods	May cause reactive hypoglycemia after blood sugar spike	Balanced meals preferred
Alcohol	Not applicable (pediatric medication)	N/A
Grapefruit juice	No significant interaction	No restriction

Activities to Avoid

• Fasting or skipping meals – absolutely avoid (hypoglycemia risk)

• Strenuous exercise without eating – increases hypoglycemia risk

• Driving or operating machinery (not applicable for children)

• Swimming alone (risk of hypoglycemic seizure in water)

Contents of the Pack

When you order Increlex from Gibson Pharmacy with a valid prescription, the pack includes:

1. Increlex multiple‑dose vial – 40 mg/4 mL (10 mg/mL) solution for injection

2. Manufacturer packaging – Sealed, tamper‑evident, with lot number and expiration date

3. Prescribing information – FDA‑approved full prescribing information

4. Medication guide – FDA‑approved patient information (including hypoglycemia warning)

5. Discreet outer packaging – Plain, temperature‑controlled shipping container (refrigeration required)

Needles and Syringes

• Insulin syringes or Increlex pen device (may be provided; consult pharmacist)

• Always use sterile, single‑use needles and dispose in sharps container

Storage Requirements

Proper Storage (Before Opening)

• Refrigerate at 36°F to 46°F (2°C to 8°C) – DO NOT FREEZE

• Keep in original carton to protect from light

• Do not shake

• Do not use after expiration date

Proper Storage (After Opening / In Use)

• Refrigerate at 36°F to 46°F (2°C to 8°C)

• Use within 28 days after first puncture

• Discard any unused portion after 28 days

• Do not return to freezer

Travel Considerations

• Use insulated cooling packs for travel

• Keep vial in original packaging

• Do not leave in hot car or direct sunlight

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Policy of Gibson Pharmacy

Gibson Pharmacy operates under strict legal and ethical policies:

1. Legitimate Medical Use Only: We dispense Increlex only for FDA‑approved indications (severe primary IGF‑1 deficiency).

2. No Refunds or Exchanges: Due to patient safety and refrigeration requirements, returns are not accepted.

3. Privacy Compliance: Fully HIPAA‑compliant.

4. Shipping Policy: Fast and secured discreet delivery with temperature‑controlled overnight shipping required. Adult signature required.

5. Licensing and Accreditation: Fully licensed, LegitScript‑certified pharmacy.

Recommendations for Buying Prescribed Medications from Gibson Pharmacy

1. Always use licensed pharmacies. Gibson Pharmacy is LegitScript‑certified.

2. Never purchase hgh for sale or increlex for sale from websites that are unverified source – these are illegal and dangerous.

3. Ensure proper cold chain handling. Gibson Pharmacy ships with temperature‑controlled packaging.

4. Understand the difference between hGH and IGF‑1. SPIGFD requires Increlex, not GH.

5. Do not search for buy hgh online when you need Increlex – these are different molecules.

Why Gibson Pharmacy is the Right Choice:

• 100% Genuine, FDA‑Approved Increlex (Mecasermin) and Growth Hormones

• fast and secured discreet delivery with temperature‑controlled overnight shipping (refrigerated)

• Licensed pharmacists available for consultation

• quality product for good prices (competitive increlex price and human growth hormone price)

• LegitScript‑certified

• Cold chain verified

FAQ: Frequently Asked Questions

1. Is Increlex the same as HGH?

No. Increlex (mecasermin) is recombinant human IGF‑1. HGH (somatropin) is recombinant human-growth hormone. They work through different pathways: GH stimulates the liver to produce IGF‑1; IGF‑1 directly acts on tissues. Buy hgh online is not appropriate for SPIGFD.

2. What is the cost of Increlex?

Increlex price and increlex cost are high due to orphan drug status. Insurance coverage may be available for FDA‑approved indications. Increlex for sale through specialty pharmacies includes patient assistance programs.

3. Can I buy hgh online for my child with short stature?

Buy hgh online is legal only with a prescription for GH deficiency. If the child has SPIGFD, GH will not work. The correct medication is Increlex.

4. How do I order Increlex?

Order hgh is the wrong search term. You must order increlex from a specialty pharmacy like Gibson Pharmacy with a valid prescription.

5. What is the role of hGH native-protein in growth?

The hGH native protein is produced in the pituitary and binds to GH receptors on the liver, stimulating IGF‑1 production. If the receptor or downstream signaling is defective, recombinant human-growth hormone cannot work. This is why the growth hormone binding-protein and GH receptor must be intact for GH therapy to be effective.

6. Does Gibson Pharmacy offer fast and secured discreet delivery for Increlex?

Yes. All orders with a valid prescription ship via fast and secured discreet delivery with temperature‑controlled overnight shipping and adult signature required.

7. How long does an Increlex vial last?

An opened vial must be used within 28 days. The required dose depends on the child’s weight; discuss supply needs with your pharmacist.

8. Can I travel with Increlex?

Yes, but you must keep it refrigerated. Use insulated cooling packs.

9. What should I do if my child misses a meal after an Increlex injection?

The child must eat within 20 minutes to prevent hypoglycemia. If they refuse or cannot eat, monitor blood glucose closely and have a fast‑acting sugar source available. Contact the doctor if hypoglycemia occurs.

10. Is there a generic version of Increlex?

No generic mecasermin is currently available in the US. Increlex price reflects its orphan drug status.

11. Can adults use Increlex?

No. Increlex is not indicated for adults. Safety and efficacy have not been established.

12. What is the human growth hormone price versus increlex price?

Human growth hormone price (for somatropin) varies but is generally lower than increlex price. Increlex cost reflects the smaller patient population (rare disease drug). Increlex for sale is limited to specialty pharmacies.

13. What does “buy human growth hormones online” get me?

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14. How does growth-hormone binding protein affect treatment?

If the growth hormone-binding protein or GH receptor is defective, recombinant human growth-hormone therapy will not work. The hGH-native protein cannot signal, so Increlex is required to bypass the defect.

15. How do I know if my child needs GH or Increlex?

A pediatric endocrinologist will perform GH stimulation testing and IGF‑1 generation testing. If GH levels are normal but IGF‑1 is low, it may indicate GH insensitivity/SPIGFD, requiring Increlex. If GH levels are low, recombinant human-growth hormone is appropriate. Do not attempt to buy hgh online without proper diagnosis.

Final Thoughts

Increlex (mecasermin) is a life‑changing medication for children with severe primary IGF‑1 deficiency (SPIGFD), allowing them to achieve catch‑up growth that would otherwise be impossible. However, it carries significant risks, most notably severe hypoglycemia, requiring strict adherence to the meal schedule.

Visit Gibson Pharmacy today for genuine Increlex (mecasermin) . Fast and secured temperature‑controlled discreet delivery. Quality product for good prices.