Alostin

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Alostin

Property Description
Active ingredient Calcitonin Salmon (Salcatonin)
Form Aqueous solution (Injection, Nasal Spray)
Pharmacological Class Calcium Metabolism Modifier, Antiresorptive
Common Use Preserving bone density and regulating mineral levels
Origin Synthetic polypeptide (analog of fish hormone)

What Type of Medicine is Alostin (Calcitonin Salmon)?

Alostin is a prescription-only pharmaceutical preparation identified by its active ingredient, Calcitonin Salmon (Salcatonin). This substance is structurally classified as a synthetic polypeptide hormone analog and belongs to the Pharmacological Class of Calcitonin preparations. The active ingredient functions as a Calcitonin Receptor Agonist and an Antiresorptive Agent due to its role in inhibiting bone resorption. The use of the synthetic salmon analog, which is clinically recognized for its enhanced potency and prolonged duration of action compared to human calcitonin, is a key differentiating factor in its therapeutic application.

Composition, Origin, and Available Forms

The composition of Alostin is based on the single-ingredient product, Calcitonin Salmon, formulated as an aqueous solution. The active molecule is a complex polypeptide that requires specialized delivery methods to prevent its degradation by digestive enzymes. Therefore, the medicine is prepared in specific Dosage Form(s) designed for efficient absorption: a sterile solution for injection (for parenteral administration) and a liquid nasal spray solution.

What is the General Purpose of Calcitonin Salmon?

The general purpose of Calcitonin Salmon is centered on the support of mineral balance and the maintenance of skeletal structural integrity. It achieves this by acting directly on bone-degrading cells known as osteoclasts. The primary action of calcitonin is the direct inhibition of osteoclastic bone resorption. The medicine helps preserve existing bone mass by slowing the rate at which bone is naturally broken down, an action typically utilized in scenarios involving the preservation of bone density or managing calcium levels.

Regulatory References

  1. NIH Calcitonin (Salmon) - StatPearls

What side effects are possible with Alostin?

Official Adverse Reactions and Safety Profile

Alostin's (Alogliptin) safety information is categorized by regulatory agencies based on the frequency and severity of reported events. The official documentation includes both common findings from clinical trials and rare, serious events identified through ongoing post-marketing surveillance.

Common Adverse Reactions (Frequency geq 1/100 to <1/10):

Adverse events frequently reported in clinical studies generally involve the respiratory, nervous, and gastrointestinal systems. These include nasopharyngitis, upper respiratory tract infections, headache, abdominal pain, diarrhea, pruritus, and rash. Hypoglycaemia is also commonly reported when Alostin is used in combination with an insulin secretagogue (like a sulphonylurea) or insulin.

Serious and Post-Marketing Adverse Reactions (Not Known Frequency):

The following rare but serious events have been documented in regulatory labeling or post-marketing reports:

  • Acute Pancreatitis and Hepatic Dysfunction: Close observation for symptoms of acute pancreatitis or liver injury (hepatic failure) is required.
  • Severe Hypersensitivity Reactions: Anaphylaxis, angioedema, and severe cutaneous adverse reactions such as Stevens-Johnson syndrome and bullous pemphigoid have been reported.
  • Cardiovascular Risk: Increased risk of hospitalization for heart failure has been reported in patients with a history of heart failure or renal impairment.

Population-Specific Safety Considerations:

Regulatory documents mandate specific precautions for certain patient groups:

  • Renal Impairment: Dose adjustment is required for patients with moderate to severe renal impairment and End-Stage Renal Disease (ESRD). Renal function should be assessed prior to initiation and periodically thereafter.
  • Hepatic Impairment: Use is not recommended in patients with severe hepatic impairment.

Safety Restrictions and Limitations:

Alostin is not indicated for patients with Type 1 diabetes or for the treatment of diabetic ketoacidosis. Use is restricted in patients with a history of a severe hypersensitivity reaction to the medicine.

Overdose and Emergency Response

Overdose and When to Seek Help

This section describes the officially documented manifestations and required emergency actions for an overdose of Alostin (Calcitonin Salmon), based strictly on government regulatory documents.


Documented Overdose Manifestations

According to official regulatory labeling, an overdose of Calcitonin Salmon is expected to result in an exacerbation of pharmacological effects. The documented dose-dependent manifestations that may occur include:

  • Nausea and Vomiting
  • Flushing (redness of the face or upper body)
  • Dizziness

The most significant concern identified in the prescribing information is the potential for hypocalcemic tetany to occur. This is a serious clinical consequence resulting from the drug's strong action to lower blood calcium levels (hypocalcemia).


Official Emergency Actions

The regulatory approach for managing an overdose is primarily symptomatic treatment. No specific antidote is described in the official product information.

When a severe overdose is suspected, the regulatory documents mandate specific preparedness due to the risk of tetany:

  • Provision for Parenteral Calcium: Due to the risk of hypocalcemic tetany, medical personnel must have parenteral administration of calcium readily available for treatment.

Any suspected overdose must be managed under medical supervision with supportive measures available to address the documented symptoms and potential severe outcome.

Therapeutic Uses of Alostin

What Alostin Treats: Main Uses and Benefits

This medication is commonly used to help manage symptoms across therapeutic domains related to skeletal support and mineral regulation. Calcitonin Salmon is generally applied in the symptomatic management of postmenopausal osteoporosis, symptomatic Paget's Disease of Bone, and hypercalcemia.

In chronic contexts, this treatment is relevant for preserving skeletal structural integrity in postmenopausal women, and may be relevant for supporting the reduction of future vertebral fracture risk. In acute scenarios, it is used to ease the challenging symptoms of bone abnormalities and for short-term support in urgent situations where short-term symptom stabilization is important for critically high calcium levels. The focus is on providing supportive relief when symptoms interfere with routine activities.

“This medicine is commonly used to help with complex conditions that affect bone structure and mineral stability.”

When symptoms become more noticeable, this medication helps address symptom clusters that may become intense or disruptive. It provides support that helps ease the overall symptom burden, and is applied in addressing symptoms related to acute, intense pain associated with recent osteoporotic vertebral compression fractures, assisting with maintaining functional stability during difficult episodes.


Quick Fact: Support for Acute Pain This medication is often used when symptoms intensify, and is relevant when supportive symptomatic assistance is appropriate for sudden, acute bone pain stemming from vertebral fractures, which helps patients cope more steadily with difficult episodes.

Eligibility and Restrictions for Use

Who can and cannot use Alostin (Calcitonin Salmon)?

Official regulatory documents strictly define the patient populations eligible for Calcitonin Salmon, primarily restricting its use to adults for specific conditions like postmenopausal osteoporosis, Paget’s Disease of Bone, and hypercalcemia.

Eligibility Status Patient Group/Condition
Contraindicated Patients with known hypersensitivity to the drug or who have preexisting hypocalcemia (low calcium levels).
Use Not Established The Pediatric Population (children and adolescents), as safety and efficacy have not been established.
Not Recommended Pregnant or nursing women, as safety data is insufficient or use is not indicated in these populations.

Use is conditional upon the correction of pre-existing mineral disorders, such as hypocalcemia or Vitamin D deficiency, before therapy begins. Furthermore, use for osteoporosis is generally reserved for patients who are unable to use or tolerate alternative treatments due to regulatory concerns regarding a potential increased risk of malignancy with long-term administration. The necessity for continued treatment must be periodically re-evaluated.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents state that formal drug interaction studies with Calcitonin Salmon have not been performed. Despite this, a limited number of interaction patterns concerning co-administered medicinal products and specific patient conditions are officially documented for this medicine.

Documented Interaction Patterns

  • Reduction in Plasma Concentration: The co-administration of lithium with Calcitonin Salmon is documented to cause a reduction in plasma lithium concentrations. The mechanistic basis noted is an increased urinary clearance of lithium.
  • Effects Modified by Electrolytes: Caution is warranted when Calcitonin Salmon is co-administered with certain medicines, as their effects may be officially modified by changes in cellular electrolyte concentrations. This applies to cardiac glycosides and calcium channel blocking agents.
  • Additive Mineral Effect: Co-use with bisphosphonates is officially noted to result in an additive calcium-lowering effect due to the combined impact on mineral regulation.

Restrictions and Population-Specific Notes

  • Timing Rules: No mandatory timing or separation rules for administration are specified in the official labeling. No specific interactions with food, alcohol, or herbal products are documented by regulatory authorities.
  • Response Alteration: Prior use of diphosphonates in patients with Paget's disease is officially noted to reduce the anti-resorptive response to Calcitonin Salmon.
  • Clearance in Renal Impairment: The metabolic clearance of Calcitonin Salmon is lower in patients with end-stage renal failure; however, regulatory documents state the clinical relevance of this finding is not known.

Mechanism of Action

Agonism on Osteoclast Receptors

The mechanism of action for Calcitonin Salmon centers on its role as a high-affinity Calcitonin Receptor agonist on the surface of osteoclasts. Upon binding, the drug initiates a rapid internal signaling cascade, significantly increasing intracellular cyclic AMP ( cAMP) levels. This molecular interaction is key to engaging the primary mechanism of reducing the bone resorption rate.


Functional Inhibition of Bone Resorption

The swift surge in cAMP and activation of Protein Kinase A ( PKA) within the osteoclasts leads to the disorganization of the cell's cytoskeleton and the loss of the ruffled border. This effect functionally suppresses the osteoclast, causing a demonstrable, transient reduction in the systemic rate of bone resorption. This mechanism is characterized by acutely suppressing the body's natural process of dissolving bone tissue.


Modulation of Mineral Balance and Nociception

Beyond the skeletal system, the drug's mechanism extends to the renal tubular epithelium, where it decreases the reabsorption of calcium, phosphate, and sodium ions, influencing systemic mineral kinetics. Pharmacological evidence also suggests a potential secondary modulatory influence on nociceptive signaling pathways in the central nervous system, contributing an auxiliary physiological effect to the drug’s overall profile.

Dosage and Administration Information

Official Administration Guidelines

Calcitonin Salmon (Alostin) is administered through one of two primary official routes, which determine the dosage form used: an intranasal metered spray or a sterile solution for injection. The injection allows for subcutaneous (SC) or intramuscular (IM) administration, and the intravenous (IV) route is reserved for managing acute hypercalcemia.

The labeled dosing regimen is specific to the approved context. For postmenopausal osteoporosis, the nasal spray is administered as 200 International Units (IU) once daily, with clear instruction to alternate the nostril used for application each day. When treating symptomatic Paget's Disease, the initial injection regimen is typically 100 IU SC or IM daily, which may be subject to adjustment based on patient response. For acute hypercalcemia, the starting dose is 4 IU/kg every 12 hours, escalating up to a maximum of 8 IU/kg every 6 hours if required.

Procedural requirements govern correct usage. The intranasal device must be primed once before its initial use, and all injection sites must be rotated to ensure reliable delivery. For long-term usage, the official protocol mandates that the medicine be taken alongside adequate daily supplementation of both calcium (≥ 1000 mg) and Vitamin D (≥ 400 IU). The duration of use is constrained for certain contexts, as acute treatment for conditions like immobilization-induced bone loss is typically limited to 2 to 4 weeks, and continued chronic therapy necessitates periodic re-evaluation.

Recent Clinical Evidence

Research evidence / Overview of studies for Alostin

This overview summarizes the key types of official research that have been conducted on Alostin (Calcitonin Salmon), describing what the studies examined and where limitations exist, according to regulatory and scientific reviews.


Evidence for Managing Bone Structural Integrity (Postmenopausal Osteoporosis)

Research on Alostin's role in long-term bone structure primarily consists of large, multi-year Randomized Controlled Trials (RCTs). The research examined specific clinical outcomes, such as the frequency of new vertebral fractures (fractures of the spine), and evaluated measurements of Bone Mineral Density (BMD) at the hip and spine over time.

Across some of the key trials, studies reported a lower frequency of new vertebral fractures in some treated groups compared to control groups. However, the evidence concerning fractures outside of the spine was limited and inconsistent. Major regulatory reviews have noted that patient follow-up durations were limited in many studies, meaning long-term effects are not fully established. Some authoritative health agencies have placed restrictions on the long-term indications based on re-evaluations of the accumulated evidence.


Evidence for Acute Symptom Relief (Vertebral Compression Fractures)

This medicine was evaluated in specific clinical trials designed to assess its role in managing acute pain associated with recent vertebral compression fractures. These were typically short-term studies, and the research focused strictly on outcomes related to physical discomfort.

Studies reported measurements of pain scores and functional outcomes, noting certain patterns in individuals receiving the medicine. This evidence contributes to understanding symptom patterns in conditions involving periods of heightened symptoms. The research exploring this scenario is limited to short intervals (weeks to a few months), and the studies do not provide insight into long-term bone healing or future fracture prevention.


Research Gaps and Areas of Uncertainty

The body of evidence, while substantial for certain acute uses, contains several gaps and areas where certainty remains low.

  • Inconsistent Findings: Data for non-vertebral fractures was mixed and inconclusive.
  • Limited Long-Term Data: For chronic bone integrity support, the follow-up durations were limited in crucial trials.
  • Comparative Evidence: For established indications, there is limited information from modern, head-to-head research comparing the medicine against newer pharmacological treatment options.

Key Studies & References Calcitonin for treating acute pain of osteoporotic vertebral compression fractures: a systematic review of randomised, controlled trials

Frequently Asked Questions (FAQ)

Common questions about Alostin (FAQ)


Q: How is Alostin different from other similar treatments?

A: Alostin's active ingredient is a synthetic form of calcitonin, which is a hormone analog. Official documents note that this synthetic salmon version has been observed to have greater potency and a longer duration of action compared to naturally occurring human calcitonin. This difference in potency and duration is a key characteristic noted in the product's official regulatory review.

Q: Does Alostin start working immediately, or does it take a while?

A: The drug's activity is known to begin soon after administration, with peak concentrations in the blood typically reached within the first hour. For acute uses, such as managing high calcium levels, regulatory documents describe a measurable response being monitored within one to two days of starting the medicine. For long-term conditions like osteoporosis, the onset of therapeutic effect is defined by sustained changes seen over a longer period.

Q: How long does Alostin usually stay in the system?

A: According to official product information, Alostin (Calcitonin Salmon) is eliminated from the body relatively quickly. The half-life—the time it takes for half the drug to be removed from the bloodstream—is approximately 1 to 1.5 hours following subcutaneous (under the skin) or intramuscular (into the muscle) administration.

Q: Can a person with a history of liver problems take Alostin?

A: Official regulatory warnings state that the use of Alostin is not recommended for patients who have been diagnosed with severe hepatic impairment (severe liver problems). Individuals with any history of liver issues should discuss their medical status with their healthcare provider.

Q: What should I know about Alostin if I have kidney issues?

A: The official product labeling specifically addresses the need for caution and management in those with kidney problems. Regulatory documents indicate that a dose adjustment is required for patients with moderate to severe renal impairment (kidney function loss) and End-Stage Renal Disease (ESRD).

Q: Can women who are pregnant or planning to be pregnant use Alostin?

A: Official regulatory guidance states that the use of Alostin is not recommended in pregnant women. This is based on a lack of controlled data on human use, combined with findings from animal studies that reported decreased fetal birth weights when the medicine was administered.

Q: Does Alostin have a 'Black Box Warning' or special regulatory alerts?

A: Regulatory agencies have assessed the accumulated evidence for long-term use. While not uniformly designated a 'Black Box Warning' (the FDA's most serious warning), regulatory reviews note a potential increased risk of malignancy (cancer) compared to placebo in patients using the drug long-term. This risk is subject to careful consideration by the prescriber, and the necessity for continued therapy is periodically re-evaluated.

Q: How should unused or expired Alostin be disposed of?

A: For safe disposal, the best practice is to take unused or expired medication to a medicine take-back program available in your community. If such a program is not available, official governmental guidelines should be followed for proper household disposal.

Q: Does Alostin affect blood pressure or heart rate?

A: The official documentation does not list blood pressure or heart rate changes as direct, common side effects of Alostin itself. However, regulatory documents caution that the effects of co-administered medicines, such as cardiac glycosides (for heart rate) and calcium channel blocking agents (for blood pressure), may be modified due to Alostin's influence on the body's mineral balance.

Q: What is the expected timeline to see the full effects of Alostin?

A: The drug is characterized by causing a rapid, though transient (temporary), inhibition of bone resorption (bone breakdown). With prolonged use for conditions like osteoporosis, a persistent therapeutic effect is achieved, with some research showing evidence of increased spinal bone mass over extended periods of time, such as two years.

Q: Will Alostin make me feel sleepy or affect my ability to drive?

A: The official adverse reactions list includes dizziness and headache as documented side effects. These specific symptoms are known to potentially affect concentration and ability to operate machinery or drive safely. Because of these documented possibilities, individuals are advised to monitor their response to the medicine.

Q: Does Alostin interact with common supplements like vitamins or herbal products?

A: Official regulatory documents state that no specific interactions with food, alcohol, or general herbal products have been documented. However, the official protocol for using Alostin in certain indications mandates co-administration with adequate daily supplementation of calcium and Vitamin D.

Q: Is it safe to drink alcohol while taking a course of Alostin?

A: Regulatory documents explicitly state that no specific interactions with alcohol are documented for Alostin. However, individuals with bone conditions may receive separate advice on lifestyle factors like alcohol consumption.

Q: Is Alostin suitable for use by children or adolescents?

A: According to official regulatory guidance, the use of Alostin in the pediatric population (children and adolescents) is not established. This restriction is because the safety and efficacy of the medicine have not been demonstrated in this age group through necessary clinical trials.

Q: Is Alostin associated with any warnings related to mental health or mood changes?

A: Yes, official reports include observations of some central nervous system effects. Regulatory adverse reaction lists mention observations of confusion and mental depression in the less common or rare side effect categories.

Q: Can Alostin cause hair loss or weight changes?

A: Specific changes in physical appearance are noted in regulatory reports. Adverse reaction categories include observations of hair loss (alopecia), as well as reports of both rapid weight gain and unusual weight gain or loss in some patients.

Q: Why does the official document mention a specific lab test for Alostin users?

A: Official documents advise on the need for lab monitoring for two main reasons. A skin test may be considered for patients with suspected drug sensitivity prior to treatment, and it is necessary to monitor the body’s serum calcium levels to check for hypocalcemia (low calcium) throughout the treatment period.

Q: What happens if I miss a scheduled dose of Alostin?

A: Regulatory-derived instructions state that a missed dose is typically taken if remembered soon after the scheduled time. However, if it is almost time for your next scheduled dose, the official guidance is to skip the missed dose and resume your normal schedule.

Q: Can Alostin affect fertility in men or women?

A: Information from long-term animal studies, which are used to assess potential impacts on the reproductive system, indicated that the active ingredient, Calcitonin Salmon, was devoid of embryotoxic, teratogenic, and mutagenic potential. The available animal studies did not indicate a direct negative impact on fertility.

Q: Will taking Alostin affect the results of routine blood tests?

A: The official label notes that the medicine acts to influence calcium levels, which are routinely measured in blood work, meaning these levels may be affected. Additionally, regulatory documents have reported observations of urine sediment abnormalities, such as coarse granular casts, which may be detected during certain routine lab tests.

Q: Does the efficacy of Alostin change over long-term use?

A: Yes, official warnings note that some patients who initially respond well to Alostin may later stop responding to treatment. This is sometimes linked to the development of circulating antibodies to Calcitonin Salmon, which is a documented possibility with prolonged use.

Q: Is it normal to feel a little dizzy when first starting Alostin?

A: Dizziness is a documented adverse reaction in clinical studies used to approve the drug. Since it is noted in official regulatory data, experiencing this symptom is a known possibility that may occur during the treatment period, especially upon initiation.

Q: Why is it important to tell the doctor about all other medicines when starting Alostin?

A: Telling a healthcare provider about all other medicines is important because regulatory documents identify potential interactions with specific drugs. For example, co-administration with lithium, cardiac glycosides, and calcium channel blocking agents can lead to altered effects or may require dose adjustment due to documented interactions.

How should Alostin be stored and disposed of?

The storage requirements for Alostin (Calcitonin Salmon) are determined by the specific dosage form and usage status to ensure product stability. Both the unopened injection and the unopened nasal spray must be stored in a refrigerator between 2 C and 8 C. The product in any form must not be frozen.

After the initial priming, the nasal spray should be stored at room temperature (20 C to 25 C) and must be discarded after 30 to 35 days. The injection vial must also be discarded if left unrefrigerated for more than 24 hours. All forms must be kept in their original container and stored out of the sight and reach of children.

Disposal must follow official guidelines. Used needles and syringes should be placed in a sharps disposal container. Unused or expired medication should be taken to a community drug take-back program or disposed of according to local pharmaceutical waste regulations.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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