Fosmin Plus

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Fosmin Plus

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Medically reviewed

Marina Burgos

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 Fosmin Plus

Property Description
Active Ingredients Sacubitril and Valsartan
Form Film-coated tablet (Oral)
Pharmacological Class Angiotensin Receptor-Neprilysin Inhibitor (ARNI)
Common Use Supports the cardiovascular system
Origin Synthetic (chemically manufactured)

What Type of Medicine is Fosmin Plus?

Fosmin Plus is a medicine that belongs to the pharmacological class known as an Angiotensin Receptor-Neprilysin Inhibitor (ARNI). It is a fixed-dose combination of two distinct, synthetic active ingredients: Sacubitril and Valsartan.

The ARNI class utilizes a dual-action therapeutic approach for systemic support of blood vessel and heart function. The drug is classified this way because it pairs Valsartan (an established angiotensin II receptor blocker, or ARB) with Sacubitril (a neprilysin inhibitor). This combination allows for comprehensive regulatory action on the cardiovascular system.


The Composition of the Fosmin Plus Tablet

Fosmin Plus is supplied as a single, oral, film-coated tablet designed for the administration of its two main components. The two active ingredients, Sacubitril and Valsartan, are chemically manufactured substances of synthetic origin.

The composition is delivered as a fixed-dose combination, meaning the precise amounts of both the neprilysin inhibitor component and the angiotensin receptor blocker component are integrated into one physical unit. This format ensures that both agents, which are necessary to achieve the ARNI’s dual effect, are taken simultaneously via the oral route. This approach is intended to maintain therapeutic consistency.


General Purpose of the Dual-Action Medicine

The primary purpose of Fosmin Plus is to provide support by acting on two complementary systems that regulate the body's cardiovascular function. This dual-action medicine aims to reduce overall strain on the heart and blood vessels.

The general principle of this combination is to concurrently block the effects of a hormone system that causes blood vessel narrowing, while also boosting the natural hormone system responsible for widening blood vessels and managing excess fluid. Combining these mechanisms is a way to improve systemic circulation and relieve cardiac stress. This synergy allows the medicine to improve the systemic balance for patients requiring long-term heart support.

Regulatory References

  1. Sacubitril-Valsartan: A Systematic Review (NIH)
  2. Entresto (sacubitril/valsartan) EPAR

What side effects are possible with Fosmin Plus?

Possible Side Effects and Safety Information

Regulatory documents organize the safety profile of Fosmin Plus (Sacubitril/Valsartan) by categorizing observed adverse reactions based on their frequency and the physiological system affected. The most frequently documented reactions are classified as Very Common, meaning they may affect more than 1 in 10 individuals.

These very common effects primarily include hypotension (low blood pressure), dizziness, and hyperkalemia (elevated potassium levels). Effects classified as Common, which may affect up to 1 in 10 individuals, involve the renal system (renal impairment), the nervous system (headache), and the gastrointestinal system (diarrhoea, nausea). Other common effects include fatigue and cough.

Frequency Classification Examples of Adverse Reactions (SOC)
Very Common Hypotension, Dizziness, Hyperkalemia
Common Renal impairment, Headache, Diarrhoea, Fatigue

Serious adverse reactions, though less frequent, are officially documented. The most significant is Angioedema, a swelling that is classified as Uncommon. This reaction and Severe Hypotension represent clinically important safety considerations. For certain individuals, the product is contraindicated, notably in patients with severe hepatic impairment or a history of angioedema related to previous treatment with an ACE inhibitor or ARB. Furthermore, the official labeling notes that hypotension is often more frequently observed during the initiation of treatment and periods of dose escalation.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documentation identifies the most likely clinical manifestation of an overdose of Fosmin Plus as an exaggeration of its therapeutic effect. The primary and most likely clinical concern is Hypotension, or severe low blood pressure, which may present clinically with associated symptoms such as dizziness or fainting. Regulatory information notes that limited data are available with regard to overdosage in human subjects.

When to Seek Immediate Medical Help

Government health authorities mandate that urgent medical attention must be sought immediately if an overdose is suspected and certain severe clinical signs are present. These signs explicitly include the individual experiencing collapse, having a seizure, exhibiting trouble breathing, or being unable to be awakened (unresponsive). In these severe scenarios, emergency medical services must be contacted immediately. For other instances, contacting the Poison Control helpline for guidance is the officially recommended course of action.

Official Management and Treatment

The treatment strategy for an overdose is defined by the regulatory labeling as strictly symptomatic and supportive. No specific antidote for Fosmin Plus is known. Furthermore, due to the drug’s established high protein binding, regulatory information states that it is unlikely to be removed by hemodialysis as a procedural intervention. Continuous clinical monitoring of vital signs is required to manage the patient's symptoms.

Therapeutic Uses of Fosmin Plus

Fosmin Plus (Sacubitril/Valsartan) is commonly used as a foundational, long-term therapy for conditions characterized by periods of heightened symptoms related to the cardiovascular system, primarily chronic heart failure (CHF). The primary indication is for the long-term management of symptomatic chronic heart failure; the treatment is considered relevant for easing concerns associated with serious cardiovascular stress. This therapeutic support is relevant for easing the symptoms associated with the condition and is applied across domains where additional symptomatic support is needed.

Its core use is for patients with reduced left ventricular pumping function (HFrEF). It helps address symptom clusters that interfere with daily comfort, specifically swelling (edema), shortness of breath, and chronic fatigue. The medication is applied in addressing these symptoms that interfere with daily functioning.

“This treatment assists with maintaining functional stability and contributes to improved comfort during periods of heightened symptoms.”

This supportive relief may assist with maintaining day-to-day comfort.


Quick Fact: Relief for Systemic Imbalance

Eligibility and Restrictions for Use

Who can and cannot use Fosmin Plus?

Population eligibility for Fosmin Plus (Sacubitril/Valsartan) is strictly defined by regulatory bodies and based on absolute contraindications and specific clinical conditions.


Populations for Whom Use is Contraindicated

Fosmin Plus must not be used if a patient has a known history of angioedema related to previous ACE inhibitor or ARB therapy, or if they have hereditary or idiopathic angioedema. It is also strictly contraindicated if the patient is currently taking an ACE inhibitor, requiring a mandatory 36-hour washout period before initiation.

Specific conditions that prohibit use include severe hepatic impairment (Child-Pugh C) and simultaneous use with aliskiren in patients with diabetes or moderate-to-severe renal impairment. Treatment must not be initiated if the adult patient's starting Systolic Blood Pressure (SBP) is less than 100 mmHg or if the serum potassium level exceeds 5.4 mmol/L.


Age and Reproductive Status Eligibility

The medicine is approved for adults and pediatric patients aged one year and older with symptomatic heart failure. Safety and efficacy have not been established in pediatric patients below one year of age. Fosmin Plus is contraindicated during the second and third trimesters of pregnancy and is not recommended while breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Fosmin Plus (Sacubitril/Valsartan) details specific drug-drug interactions, particularly those involving the Renin-Angiotensin System (RAS) and certain transport proteins.

Contraindicated and Restricted Combinations

Substance Class / Agent Interaction Restriction
ACE Inhibitors (e.g., Lisinopril) Contraindicated due to the significantly increased risk of angioedema. A mandatory 36-hour separation is required between discontinuation of an ACE inhibitor and initiation of Fosmin Plus, and vice versa.
Aliskiren Contraindicated in patients with diabetes or renal impairment ( eGFR <60 mL/min/1.73 m^2).
Other ARBs Co-administration is not recommended as the product already contains the ARB component, Valsartan.

Pharmacodynamic and Exposure-Altering Interactions

Interactions involving combined physiological effects or altered drug levels are officially documented:

  • Potassium-Sparing Diuretics/Potassium Supplements may lead to additive effects resulting in hyperkalemia (elevated serum potassium).
  • Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) may cause an additive risk of worsening renal function.
  • The active metabolite of Sacubitril is an inhibitor of OATP1B1, OATP1B3, and OAT3 transporters. This mechanism may increase the systemic exposure of co-administered medicines that are substrates of these transporters, such as certain Statins.

Fosmin Plus may be administered with or without food, as regulatory studies document no clinically meaningful effect on the systemic exposure of its active components.

Mechanism of Action

Fosmin Plus utilizes a synchronized dual mechanism to modulate cardiovascular regulatory systems. The Valsartan component functions as a selective antagonist at the Angiotensin II type 1 receptor ( AT1 receptor). By blocking this receptor, it suppresses the triggers of the Renin-Angiotensin-Aldosterone System (RAAS) cascade, leading to a reduction in vasoconstriction and hormonal signals for salt and water retention. The primary physiological consequence is decreased systemic vascular resistance and altered signaling for myocardial stress.

Simultaneously, the Sacubitril component is converted to its active metabolite, Sacubitrilat, which is an inhibitor of the enzyme Neprilysin (NEP). Inhibition of NEP prevents the degradation of endogenous Natriuretic Peptides (NPs), resulting in sustained, elevated levels of these vasoactive peptides. Amplified NP activity promotes natriuresis and diuresis (excretion of salt and water) and contributes to vasodilation, reducing circulating fluid volume.

This complementary mechanism provides concurrent modulation of volume and pressure regulation pathways. The AT1 receptor blockade prevents compensatory RAAS over-activation that might otherwise counteract the effects stemming from the boosted Natriuretic Peptide pathway, resulting in an altered hemodynamic state.

Dosage and Administration Information

How to Use Fosmin Plus

Fosmin Plus (Sacubitril/Valsartan) is an oral medication with a usage pattern defined by specific guidelines regarding administration route, dosing, and schedule.


Official Administration Scope

The medicine is administered via the oral route, primarily as film-coated tablets in fixed-dose strengths, such as 24 mg/26 mg, 49 mg/51 mg, and 97 mg/103 mg (Sacubitril/Valsartan). The medicine can be taken with or without food. For certain populations, such as pediatric patients unable to swallow tablets, an oral suspension or pellet formulation is available; in these cases, the pellets must not be chewed or crushed.


Dosing and Scheduling

Treatment is structured around a twice-daily (BID) frequency, maintained throughout the course of therapy. The standard adult dosing regimen involves three phases:

Regimen Phase Standard Dose (Twice Daily) Contextual Principle
Starting Dose 49 mg/51 mg A lower initial dose is required for patient safety and tolerability.
Titration Doubled every 2 to 4 weeks The dose is gradually escalated until the target dose is reached.
Target Maintenance 97 mg/103 mg The highest labeled dose for long-term treatment.

A reduced starting dose (24 mg/26 mg twice daily) is specified for certain patient populations, including those with severe renal impairment or moderate hepatic impairment. Additionally, a 36-hour washout period is required following the discontinuation of an Angiotensin-Converting Enzyme (ACE) inhibitor before initiating this medication. If a dose is missed, patients are instructed to take the next dose at the regularly scheduled time, rather than taking two doses simultaneously.

Recent Clinical Evidence

Research evidence / Overview of Studies for Fosmin Plus

This section provides a summary of the types of research and reported findings for Fosmin Plus (Sacubitril/Valsartan), based on evidence from controlled clinical trials and regulatory summaries. The content describes the studies that have been conducted and is limited to the research evidence.


Evidence for Use in Symptomatic Chronic Heart Failure with Reduced Ejection Fraction (HFrEF)

The core evidence for this medicine's evaluation in heart failure with a reduced pumping function (HFrEF) comes from large-scale Randomized Controlled Trials (RCTs). Researchers examined whether the treatment groups had differences in outcomes related to physiological strain or stress. The primary focus was a composite endpoint that combined the time to the first occurrence of cardiovascular death or hospitalization specifically due to heart failure. Research highlights changes measured during the study period, with some trials observing patterns in the composite endpoint between the treatment group and the comparator group.


Evidence for Use in Heart Failure with Preserved/Mildly Reduced Ejection Fraction (HFpEF/HFmrEF)

Research has also been conducted to evaluate this medicine in heart failure where the pumping function is preserved or only mildly reduced (HFpEF/HFmrEF). These studies compared the combination drug against an established angiotensin receptor blocker. The primary outcomes that research examined were a composite of total heart failure hospitalizations and cardiovascular death. Findings for this broader group were mixed, and the primary goals for the overall study population were not met in the main trial. However, findings describe patterns observed where a difference in the number of heart failure hospitalizations was observed in those with an ejection fraction closer to the mildly reduced range.


What is Still Uncertain About Fosmin Plus

A key research limitation is that the results apply only to the populations studied. Therefore, data are still emerging regarding outcomes in patients who did not meet the exact criteria of the clinical trials. Specifically, subgroup findings are uncertain for the full range of HFpEF patients. Additionally, the long-term effects are not fully established beyond the initial trial duration (approximately 27 months), and there is limited information for effects outside the cardiovascular system. Comparative evidence is also lacking for certain patient subsets, which means the current data provides context but research does not determine whether an individual will respond similarly.

Frequently Asked Questions (FAQ)

Common questions about Fosmin Plus (FAQ)

Q: Can the effectiveness of Fosmin Plus be reduced by common beverages like coffee or juice?

Official administration guidelines state the film-coated tablet should be swallowed whole with a glass of water. Regulatory documents state the medicine can be taken with or without food, indicating that absorption is generally not affected by the timing of meals or non-alcoholic beverages.

Q: What are the themes in research regarding the long-term use (over 5 years) of Fosmin Plus?

Clinical trials for this medication focused on specific outcomes over an initial period, which was about 27 months in the main study. Official summaries note that data is still emerging. Therefore, the long-term effects of the medicine beyond this initial trial duration are not yet fully established in research.

Q: Do I need to follow a special diet while taking Fosmin Plus?

Official documents indicate that hyperkalemia, or elevated potassium levels, is a very common reported side effect. Because of this, dietary counseling may be included as part of the overall treatment plan. Regulatory information specifically addresses the co-administration of potassium-containing salt substitutes and over-the-counter potassium supplements.

Q: Is Fosmin Plus typically prescribed for both male and female patients?

Yes, the medicine is officially approved for use in adults with specific heart conditions. Clinical research studies supporting its use have included both male and female patients across the relevant adult age range.

Q: How often is patient progress monitored while on this treatment?

According to official guidance, regular monitoring is typically included in the treatment plan. This usually involves checking blood pressure, heart rate, and a renal profile, which measures kidney function and potassium levels. Official guidance indicates monitoring frequency often involves assessments at the start of treatment and after any change in dose.

Q: Does the effect of the drug immediately wear off if treatment is stopped?

Research on patients with heart failure shows that the medicine's beneficial effects do not immediately disappear upon discontinuation. However, studies tracking patients who stopped taking the medicine have observed a measurable deterioration in heart function and functional status. This change has been observed in some studies within a few months after discontinuation.

Q: Does smoking or alcohol consumption impact the safety or effectiveness of the medicine?

Regulatory information notes a possible interaction with alcohol. Alcohol consumption may have additive effects with the Valsartan component of the medication. This combination could potentially increase the effect of lowering blood pressure. Official warnings regarding smoking are not explicitly detailed in the interactions section.

Q: Are changes in vision or hearing described as potential side effects of Fosmin Plus?

While not listed among the very common side effects, post-marketing reports and studies have examined the potential for adverse events related to the auditory system. These reports include issues such as hearing impairment and vestibular disorders.

Q: What is the official recommendation for taking Fosmin Plus with thyroid or hormone medications?

Comprehensive interaction data for all hormone and thyroid medicines is not detailed in the official label. However, pharmaceutical monographs indicate that no interactions are specifically reported with levothyroxine, which is a commonly prescribed thyroid medication.

Q: Can changes in body weight be linked to taking this medication?

The medicine is designed to affect fluid balance in the body, which is a key part of its action. Because of this, official information supports daily weight monitoring. Weight gain can be related to fluid retention.

How should Fosmin Plus be stored and disposed of?

Fosmin Plus (alendronate sodium/cholecalciferol) must be stored and discarded according to specific conditions outlined in regulatory labeling.

Storage Conditions

The tablets must be stored at Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F), and kept away from excess heat and moisture. The product should be kept in its original package (blister pack) until use to protect it from light and moisture. It is a mandatory requirement to keep the medicine out of the reach of children and pets, often directed as Store locked up.

Disposal Instructions

Unused or expired Fosmin Plus should be disposed of via a drug take-back program or mail-back envelope whenever available. If these options are not readily accessible, the medicine is generally not recommended to be flushed down the toilet. Disposal into the household trash must follow the established procedure of mixing the tablets with an undesirable substance, such as coffee grounds or dirt, and placing the mixture in a sealed container.

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

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