Jadenu

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Jadenu

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Jadenu

Quick Facts

Property Description
Active ingredient Deferasirox
Forms Film-coated tablets, granules for oral suspension
Pharmacological class Iron-chelating agent
General purpose Management of chronic iron overload
Origin Synthetic, triazole compound

What Type of Medicine is Jadenu (Deferasirox)?

Jadenu is a prescription-only medicine containing the active ingredient, Deferasirox (INN). It is formally classified as an iron-chelating agent, a category of drugs used to bind specific minerals or metals. Deferasirox is an orally active chelator, designed for use as a daily management tool. Chemically, it is a synthetic, non-hydroxamate triazole compound, representing a structural design focused on effective oral absorption.


Composition and Available Forms of Jadenu

The core composition of Jadenu features the single active substance, Deferasirox, formulated with the necessary solid excipients. The medicine is provided in two distinct oral preparations, which offer differentiation for patient adherence: film-coated tablets and granules for oral suspension (known as Sprinkle granules). This provision of dual oral forms is intended to ensure that the medicine can be taken consistently across diverse patient groups, including pediatric patients. The availability of oral chelation therapy is a significant factor in the management of individuals requiring regular iron monitoring.


What is the General Therapeutic Purpose of this Chelator?

The general therapeutic purpose of Jadenu is the long-term management of chronic iron overload (hemosiderosis), which is the excessive accumulation of iron in body tissues. This condition frequently occurs in patients requiring repeated blood transfusions, such as those managing thalassemia. Jadenu addresses this through its chelating action: the Deferasirox molecule selectively binds with the excess iron to form a stable complex. The primary benefit of this action is the reduction of long-term risk of organ damage, as the stable iron-drug complex is subsequently eliminated from the body, chiefly via the feces. Clinically, this consistent iron removal is essential for preserving the function of vital organs.

Regulatory References

  1. NIH MedlinePlus Drug Info

What side effects are possible with Jadenu?

Possible Side Effects and Safety Information

The FDA mandates a Boxed Warning for Jadenu (deferasirox) due to the risk of Renal Failure, Hepatic Failure, and serious Gastrointestinal Hemorrhage, which have been fatal in some patients. These serious adverse reactions necessitate mandatory baseline testing and frequent, scheduled monitoring of organ function throughout treatment.


Key Adverse Reactions and Safety Concerns

System-Organ Class Common Adverse Reactions (>5%) Serious/Clinically Significant Reactions
Gastrointestinal Diarrhea, Nausea, Vomiting, Abdominal Pain Fatal GI hemorrhage, Ulceration, Perforation
Renal/Urinary Increases in serum creatinine Acute Renal Failure (requiring dialysis), Renal Tubular Toxicity (e.g., Fanconi Syndrome)
Hepatobiliary Elevated Liver Enzymes (Transaminases) Hepatic Failure, Hepatic Injury
Hematologic N/A Bone Marrow Suppression (Neutropenia, Agranulocytosis, fatal events)
Skin/Hypersensitivity Skin Rashes Severe reactions (SJS, TEN, DRESS)

Monitoring and Limitations

Mandatory Monitoring: Due to the risk of acute toxicity, renal function (serum creatinine, eGFR, proteinuria) and hepatic function (serum transaminases, bilirubin) must be monitored weekly during the first month and at least monthly thereafter. Blood counts must also be monitored monthly.

Safety Contraindications: Jadenu is contraindicated in patients with severe renal impairment (creatinine clearance <40 mL/min), severe hepatic impairment (Child-Pugh C), high-risk myelodysplastic syndromes (MDS), advanced malignancies, and low platelet counts (lt 50 imes 10^9/ L).

Population-Specific Risk: Elderly patients (over 55 years) and patients with pre-existing comorbidities face an increased risk of severe toxicity. Children experiencing acute illnesses with dehydration are also at increased risk for kidney problems.

This medication carries a risk profile centered on critical organ toxicity, requiring close adherence to regulatory monitoring schedules to manage and minimize potential harm.

Overdose and Emergency Response

The official regulatory documentation for Deferasirox (Jadenu) outlines specific clinical signs and required emergency actions associated with overdosage. Overexposure may initially present with common gastrointestinal manifestations, including abdominal pain, nausea, vomiting, and diarrhea.

The official profile emphasizes the potential for serious or life-threatening outcomes, especially following the ingestion of high doses. Documented systemic consequences involve vital organ systems and may include acute renal failure and liver problems. Furthermore, reports have noted potential severe neurological effects, such as coma and deafness, alongside metabolic acidosis, linked to high-dose exposures of the dispersible formulation.

Because of the potential for severe outcomes, regulatory guidance mandates specific emergency actions. In the event of suspected overdosage, an individual must contact a doctor or hospital straight away, as urgent medical treatment may be necessary. Management of Deferasirox overdosage is primarily symptomatic and supportive; the official labeling confirms that no specific antidote is known. Supportive treatment, which may include procedures like gastric lavage soon after ingestion, is directed toward controlling the presented symptoms.

Therapeutic Uses of Jadenu

What Jadenu Treats: Main Uses and Benefits

Jadenu (deferasirox) is an oral medication generally applied in the long-term management of chronic iron overload (hemosiderosis), a condition where the body accumulates excessive iron. This therapy focuses on addressing excess iron to support vital systemic functions.

The medicine is commonly used to help with two primary conditions: chronic iron overload resulting from repeated blood transfusions and non-transfusion-dependent thalassemia (NTDT) syndromes, which present with systemic iron accumulation. The core therapeutic benefit is to support the maintenance of vital organ function, particularly the heart and liver, which are often susceptible to symptoms linked to organ-specific functional stress.

For patients, this therapy assists with maintaining functional stability, which is relevant for chronic symptoms that interfere with daily functioning, such as fatigue. By assisting in addressing the iron accumulation, the treatment generally supports the management of systemic imbalance, which is relevant for stability during ongoing medical requirements.

Quick Fact: Relief for Chronic Iron Overload
Symptom Domain: Systemic imbalance and associated fatigue.
Common Scenario: Patients with chronic anemias (e.g., beta-thalassemia, sickle cell disease, MDS) in clinical settings involving systemic iron burden.
Key Benefit: Supports the maintenance of vital organ function and helps ease the overall symptom load in situations involving systemic imbalance.

Eligibility and Restrictions for Use

Jadenu (deferasirox) is an iron chelator approved for specific patient populations to manage chronic iron overload.

Eligibility Criteria

Factor Minimum Age/Condition
Transfusional Overload 2 years of age and older
Non-Transfusion-Dependent Thalassemia 10 years of age and older

Strict Contraindications

Jadenu must not be used in patients with the following conditions, as defined in official regulatory documents:

  • Kidney Function: Estimated Glomerular Filtration Rate ( eGFR) less than 40 mL/ min/1.73 m^2 or serum creatinine greater than two times the age-appropriate Upper Limit of Normal (ULN).
  • Blood Conditions: Platelet counts less than 50 imes 10^9/ L.
  • Malignancy: High-risk Myelodysplastic Syndromes (MDS) or advanced malignancies.
  • Overall Health: Poor performance status.
  • Allergy: Known hypersensitivity to deferasirox or any component of the formulation.

Use Limitations

Patients with severe hepatic impairment (Child-Pugh C) are advised to avoid use. Use in patients with moderate hepatic impairment (Child-Pugh B) or pre-existing renal impairment (e.g., eGFR 40 to 60 mL/ min/1.73 m^2) is restricted and requires careful monitoring. Use in children under 2 years of age is not established. Women are advised not to breastfeed during treatment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Deferasirox (Jadenu) explicitly classifies several substances based on their interaction risk, primarily involving altered drug exposure or increased toxicity risk.


Contraindicated and Restricted Combinations

Classification Interacting Substance/Class Restriction Stated in Label
Contraindicated Other Iron Chelator Therapies Use is explicitly prohibited [e.g., in SmPC].
Avoid Use Aluminum-Containing Antacids Significantly reduce Deferasirox systemic exposure.
Avoid Use Potent UGT Inducers (e.g., Rifampicin) Decrease Deferasirox systemic exposure, leading to reduced efficacy.
Avoid Use Bile Acid Sequestrants (e.g., Cholestyramine) Significantly reduce Deferasirox systemic exposure via enterohepatic disruption.

Clinically Significant Exposure and Toxicity Interactions

Deferasirox is documented as both an enzyme inducer and inhibitor, which affects the levels of co-administered medicines:

  • CYP2C8 Inhibition: Deferasirox is a moderate inhibitor of the enzyme CYP2C8, leading to an increase in the exposure (AUC) of CYP2C8 substrates, such as Repaglinide [FDA Labeling].
  • CYP1A2 Inhibition: Deferasirox also inhibits CYP1A2, resulting in a significant increase in the systemic exposure of substrates, including Theophylline [EMA SmPC].
  • Additive Toxicity Risk: Co-administration with agents known to cause gastrointestinal (GI) ulceration or bleeding, such as NSAIDs, corticosteroids, and anticoagulants, requires caution due to an officially documented increased risk of GI hemorrhage [FDA Labeling].

Population-Specific Note: Regulatory documents note that the risk of toxicity, particularly gastrointestinal hemorrhage, is of higher clinical significance in elderly patients.

Mechanism of Action

The mechanism of deferasirox centers on its function as a tridentate ligand, selectively binding to excess ferric iron ( Fe^3+) in a precise 2:1 ratio to form a stable, electrically neutral complex. This interaction targets not only free circulating iron but also the highly reactive non-transferrin-bound iron (NTBI) and iron accumulated in tissues, including hepatocytes and cardiac myocytes. This molecular neutralization functions by removing the key catalyst for the Fenton reaction, which generates destructive Reactive Oxygen Species (ROS).

By effectively chelating the Fe^3+ intracellularly and systemically, the drug shifts the body's iron state toward a net negative balance. The resulting stable iron-deferasirox complex is transported from the tissues and eliminated primarily through the bile and subsequently the feces. This continuous process leads to the overall reduction of the body's total iron burden and functionally results in the dampening of iron-catalyzed oxidative stress and cellular damage.

Dosage and Administration Information

Official Administration Guidelines for Jadenu (Deferasirox)

Jadenu is administered orally and is available as film-coated tablets and granules (Jadenu Sprinkle). Standard administration protocols focus on precise dosing and administration procedures.

Administration Scope Instruction
Route of Administration Oral
Dosing Schedule Once daily, at approximately the same time each day.
Timing Relative to Food Take on an empty stomach or with a light, low-fat meal (approximately 250 calories). High-fat meals should be avoided.
Missed Dose Rule If a dose is missed, take it later the same day when remembered. Do not take a double dose to compensate for the missed dose the following day.

Dosing Rules and Preparation

Initial dosing is weight-based, ranging from 7 mg/kg to 21 mg/kg body weight once daily, depending on the patient's condition and transfusion history. The dose must be adjusted periodically (typically every 3 to 6 months) in steps of 3.5 mg/kg or 7 mg/kg, based on monitoring serum ferritin levels and/or Liver Iron Concentration (LIC).

Preparation requirements vary by formulation:

  • Tablets: Swallow whole with water. If swallowing whole is not possible, the tablet may be crushed and sprinkled onto a small amount of soft food (e.g., yogurt or applesauce) and must be consumed immediately and completely.
  • Granules (Sprinkle): The full contents of the sachet must be sprinkled onto a small amount of soft food and consumed immediately. Do not chew the mixture.

Special Conditions: The use of aluminum-containing antacid preparations concurrently with Jadenu is not permitted. Treatment is generally long-term, but interruption or discontinuation may be necessary if iron levels fall below specific thresholds.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Jadenu

Evidence for Use in Chronic Iron Overload from Repeated Blood Transfusions

Research for this condition includes Randomized Controlled Trials (RCTs) that helped researchers observe outcomes for Jadenu relative to Deferoxamine, a comparator treatment. Researchers also used long-term follow-up studies and patient registries. The research primarily examined outcomes related to the monitoring of iron levels in the body. Key outcomes measured included the Liver Iron Concentration (LIC) and Serum Ferritin levels.

Studies reported measurements of LIC and Serum Ferritin across various time points in both adults and pediatric patients (starting from ge 2 years old). The studies included individuals with chronic anemias, such as beta-Thalassemia Major and Sickle Cell Disease (SCD). Long-term observational data described the patterns of iron biomarker levels observed in some cohorts followed for multiple years. Despite the existence of multiple comparative RCTs, long-term outcomes (exceeding five years) are not fully established regarding non-biomarker endpoints like mortality or major organ failure.


Evidence for Use in Non-Transfusion-Dependent Thalassemia (NTDT) Syndromes

The research framework for the NTDT indication includes a core Randomized, Placebo-Controlled Trial. This research focused on patients ge 10 years old who had NTDT syndromes and had accumulated a certain level of iron in their tissues. The main variable monitored was the change in Liver Iron Concentration (LIC). Secondary assessments included changes in Serum Ferritin levels.

The placebo-controlled trials reported measurements of LIC and Serum Ferritin over a study period of about one year. Findings described the measurements of change in iron levels observed when comparing the populations to the placebo group. The core controlled study was short-term, and long-term research for this specific patient group remains ongoing. Evidence provides limited insight into long-term outcomes related to cardiac or hepatic disease progression within the NTDT population that was studied.

Frequently Asked Questions (FAQ)

Common questions about Jadenu (FAQ)

Q: Why is Jadenu sometimes given instead of Exjade?

Jadenu and the original drug, Exjade, both contain the active ingredient deferasirox and are used for the same purpose. Jadenu was developed as a newer formulation that is available as a film-coated tablet or as granules, which may be preferred by some patients.

Q: Is Jadenu used for iron overload from just eating too much iron?

Jadenu is primarily indicated for managing chronic iron overload that results from repeated blood transfusions (transfusional hemosiderosis) or certain inherited blood disorders like thalassemia. Official product information does not indicate its use for managing iron overload caused simply by dietary intake.

Q: Does Jadenu interact with birth control pills?

Yes, regulatory documents indicate that deferasirox may reduce the effectiveness of hormonal contraceptives, including birth control pills, by lowering the levels of the hormones in the blood. Alternative or additional non-hormonal contraception has been advised in regulatory documents.

Q: Can I drink coffee or tea when taking Jadenu?

The active ingredient in Jadenu is known to potentially increase the blood levels of caffeine, which is found in coffee and tea. Regulatory information suggests discussing this potential interaction with a healthcare provider.

Q: Does alcohol interact with Jadenu?

Official information suggests caution regarding alcohol use during treatment, as drinking alcohol while taking Jadenu is reported to potentially increase the risk of side effects such as dizziness or fainting spells.

Q: What foods should I avoid while taking Jadenu?

Regulatory guidance specifies that Jadenu should be taken on an empty stomach or with a light, low-fat meal. Taking the medication with a high-fat meal is not recommended because it significantly increases the amount of drug the body absorbs, which is outside the tested and recommended use conditions. Regulatory information states that aluminum-containing antacids should be avoided while taking this medicine.

Q: Is Jadenu safe for people who have a history of heart problems?

Official information does not list a history of heart problems as a strict contraindication for use. However, the condition Jadenu treats—chronic iron overload—itself poses a serious cardiac risk if left untreated. The prescribing healthcare provider monitors a patient’s overall health, including any existing heart problems, throughout treatment.

Q: What are the rules for driving or operating machinery while on Jadenu?

Regulatory documents advise caution regarding driving or operating heavy machinery due to the possibility of side effects like dizziness. Patients should use caution until they understand how the medication affects them.

Q: Can pregnant women or women who are breastfeeding use Jadenu?

Official information states that the drug should be used during pregnancy only if the potential benefit is considered to justify the potential risk to the fetus, based on animal studies. Women are advised to discontinue breastfeeding while undergoing treatment with Jadenu.

Q: Does Jadenu treat just the symptoms or the underlying condition?

Jadenu is an iron-chelating agent used to treat the condition of chronic iron overload that results from other diseases like thalassemia or from the need for repeated blood transfusions. It treats the accumulation of iron but does not treat the underlying blood disorder itself.

Q: How does the tablet form of Jadenu compare to the older powder form?

The Jadenu film-coated tablet and granules (Sprinkle) are newer oral formulations of deferasirox compared to the original dispersible tablet. The current Jadenu tablet is designed to be swallowed whole with water or can be crushed and mixed with soft food. This provides flexible administration options for different patients.

Q: Why do official documents mention skin rash as a side effect?

The mention of rash is due to it being one of the most common reported side effects, often occurring early in treatment. Official documents also include warnings about rare, severe skin reactions, necessitating that skin rash be frequently addressed in regulatory information.

Q: What is the goal iron level that doctors aim for with Jadenu treatment?

Official recommendations guide doctors on when to stop or adjust the dose based on iron levels. For most transfusion-dependent patients, the dose should be reviewed when the serum ferritin level falls below 1,000 mu g/L. For non-transfusion-dependent thalassemia patients, a different threshold of 300 mu g/L is used.

Q: Is Jadenu treatment approved in countries outside of the US?

Yes, deferasirox, the active ingredient in Jadenu, is approved and used for chronic iron overload in many countries worldwide. This includes the United States, countries within the European Union (EU/EMA), and the United Kingdom (MHRA).

Q: Why do some people take Jadenu only a few days a week?

The official, recommended dosing schedule for Jadenu, as approved by regulatory bodies, is to take the medication once daily. Regulatory documents do not provide guidance or rationale for a schedule that involves taking the medication only a few days a week.

Q: Is Jadenu considered a form of chemotherapy?

No, Jadenu is not classified as a form of chemotherapy. It belongs to a different drug class known as an iron-chelating agent. Its purpose is to bind and remove excess iron from the body, and it is not classified as a chemotherapy drug.

Q: Does Jadenu interfere with sleep?

Regulatory reports based on post-marketing experience have occasionally noted sleep disorders as an adverse reaction associated with deferasirox. If new or worsening sleep issues are experienced during treatment, regulatory information suggests consulting a healthcare provider.

Q: What are the official recommendations for stopping Jadenu treatment?

Official guidelines recommend that treatment be interrupted or discontinued when iron levels fall below certain regulatory thresholds (e.g., 1,000 mu g/L for transfusion-dependent patients). Treatment may be reinitiated if iron overload is observed to recur.

Q: Can Jadenu affect my vision or hearing?

Yes, official warnings indicate that disturbances in vision (e.g., blurred vision, cataracts) and hearing (e.g., hearing loss, ringing in the ears) are known adverse reactions. Official labeling advises baseline and annual monitoring of both vision and hearing due to the potential for these adverse reactions.

Q: Are there common substances in food that are known to interact with Jadenu?

Official labeling explicitly notes that aluminum-containing antacids should be avoided as they significantly reduce the drug's effectiveness. Additionally, as noted in the administration guidance, high-fat meals are advised against.

Q: What official guidelines exist about using Jadenu in adolescents?

Official regulatory documents establish specific guidelines for use in pediatric patients, including adolescents, starting from minimum ages of two or ten depending on the underlying cause of iron overload. These guidelines require close monitoring of kidney function, especially if the patient experiences an acute illness with dehydration.

Q: Does Jadenu cause light-colored stools?

Light-colored stools are a symptom that may be associated with hepatic (liver) damage or failure, which is a serious, although rare, adverse reaction listed in the Boxed Warning for this medication. Official safety information notes that this symptom should be promptly discussed with a healthcare provider.

Q: What is the difference between iron overload and hemochromatosis?

Iron overload is a broad term for having too much iron in the body, which is the problem Jadenu is approved to manage when it results from blood transfusions or certain anemias. Hemochromatosis is a specific genetic disorder that causes the body to absorb too much iron from food; official labeling does not include primary hemochromatosis as a standard indication for Jadenu use.

Q: Are headaches a common concern when starting Jadenu?

Headache has been reported as an adverse reaction in clinical trials, but it is not listed among the most common (greater than 5%) side effects that patients experience. Official information suggests consulting a healthcare provider if persistent headaches develop.

How should Jadenu be stored and disposed of?

Storage and Disposal of Jadenu (Deferasirox)

Jadenu must be stored at controlled room temperature, specifically between 20 C and 25 C (68 F and 77 F). The regulatory labeling mandates protection from moisture and excess heat, requiring the bottle to be kept closed tightly to maintain stability.

Required Conditions

Condition Requirement
Temperature 20 C to 25 C (Do not freeze)
Protection Keep tightly closed; protect from moisture and light
Child Safety Store out of the reach and sight of children

For disposal, unused or expired Jadenu must not be flushed down a toilet or sink. The official instructions require discarding the medication according to local requirements or a community drug take-back program.

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

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