Ogivri

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Ogivri

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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 Ogivri

What is Ogivri?

Ogivri is a prescription biological medication used in the treatment of specific types of cancer, primarily targeting tumors that overexpress a protein called human epidermal growth factor receptor 2 (HER2).

Therapeutic Class and Mechanism

As a monoclonal antibody, Ogivri belongs to a class of drugs designed to recognize and bind to specific structures on the surface of cells. In this case, the medication targets HER2 receptors. By binding to these receptors, the drug helps to disrupt the signaling pathways that contribute to the uncontrolled growth and division of cancer cells.

Biological Nature

Ogivri is classified as a biosimilar. This means it is highly similar to an already approved reference biological product. Biological medicines are complex substances produced in living systems, such as yeast, bacteria, or animal cells, rather than being synthesized through conventional chemical processes.

Clinical Application

This medication is typically utilized for patients whose tumors have been confirmed as HER2-positive through specialized testing. It is commonly used in the following contexts:

  • Breast Cancer: It may be used in early-stage cases following surgery or in advanced and metastatic cases where the cancer has spread to other parts of the body.
  • Gastric Cancer: It is used for metastatic gastric or gastroesophageal junction adenocarcinoma in patients who have not received prior treatment for their metastatic disease.

Ogivri is often administered in combination with chemotherapy, though it may be used as a standalone therapy depending on the specific clinical situation and the patient's treatment history.

Regulatory References

  1. Trastuzumab - StatPearls (via NCBI Bookshelf/NIH)

What side effects are possible with Ogivri?

Possible Side Effects and Safety Information

The safety profile of Ogivri (trastuzumab-dkst) is principally structured around risks documented in regulatory labeling, which fall into distinct categories based on frequency and severity. The most critical safety concerns are Cardiac Dysfunction and Infusion-Related Reactions (IRRs).


Officially Classified Adverse Reactions

The following are examples of adverse reactions classified by frequency according to regulatory documentation:

Frequency Examples of Adverse Reactions
Very Common (ge 1/10) Neutropenia, anaemia, headache, diarrhoea, nausea, vomiting, fatigue, fever, chills, infections (e.g., nasopharyngitis), arthralgia, myalgia.
Common (ge 1/100 to < 1/10) Cardiac failure, decreased LVEF, hypotension/hypertension, sepsis, dizziness, pleural effusion, dyspnoea.
Uncommon (ge 1/1,000 to < 1/100) Anaphylactic reaction, interstitial pneumonitis.

Adverse effects are formally grouped into System-Organ Classes (SOC), including Cardiac disorders, Gastrointestinal disorders, and Blood and Lymphatic System disorders.


Serious Adverse Reactions and Safety Patterns

The regulatory label highlights Congestive Heart Failure and severe Infusion-Related Reactions (which can be fatal) as serious adverse reactions. Additionally, Pulmonary Toxicity, including Adult Respiratory Distress Syndrome (ARDS), is officially documented.

Safety notes include a temporal pattern: IRRs are generally noted to occur most often during or within 24 hours of the first infusion. The risk of cardiac dysfunction may increase with long-term exposure and when used in combination with or following anthracyclines. Use of the medicine is generally constrained in patients with established severe heart failure (NYHA Class III or IV at baseline).

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory guidance for Ogivri (trastuzumab-dkst) overdose focuses on recognizing and managing severe, life-threatening toxicities, as no specific antidote is available. Management involves symptomatic and supportive treatment, requiring close monitoring by a healthcare professional.

Officially Documented Overdose Manifestations and Severe Outcomes

Classification Manifestations and Required Actions
Cardiovascular/Pulmonary Events Signs include dyspnea (shortness of breath) and clinically significant hypotension. Severe outcomes may include fatal pulmonary toxicity, acute respiratory distress syndrome, or disabling cardiac failure [Source 1.4].
Infusion Reactions A symptom complex involving fever and chills, which can progress to anaphylaxis or angioedema. These are classified as serious and fatal reactions [Source 1.4].

Emergency Action Statements

If an overdose is suspected, or if any of the severe manifestations listed above occur, immediate medical attention must be sought.

Regulatory documents mandate the immediate interruption of the infusion for dyspnea or clinically significant hypotension. Furthermore, the medication must be permanently discontinued for confirmed anaphylaxis or acute respiratory distress syndrome [Source 1.4]. Due to the risk of cardiotoxicity, Left Ventricular Ejection Fraction (LVEF) must be evaluated before treatment initiation and monitored regularly [Source 1.4].

Therapeutic Uses of Ogivri

What Ogivri Treats: Main Uses and Benefits

Ogivri is a biosimilar medicine that generally helps manage the progression of specific cancers that have tested positive for the HER2 protein. This medication is used for conditions characterized by periods of heightened symptoms, specifically HER2-positive breast cancer and metastatic gastric or gastroesophageal junction adenocarcinoma. This relevant targeted therapy is applied across domains where additional symptomatic support is needed to help manage the symptoms associated with the condition.

The therapy is commonly applied in the adjuvant setting following surgery for high-risk, early-stage disease, and it is also used for advanced or metastatic cancer. In both contexts, the primary benefit is contributing to long-term disease stabilization and may assist in reducing the likelihood of cancer recurrence. This provides support that helps ease the overall symptom burden. In advanced cases, the medication is relevant when supportive symptom management is appropriate, assisting with maintaining functional stability and helping patients cope more steadily with symptom fluctuations.


Quick Fact: Support for Managing HER2-Positive Disease This medication is used for managing conditions marked by increased physiological stress, applied in therapeutic contexts involving heightened systemic burden. It is generally applied in settings where symptoms become more noticeable due to the symptoms linked to organ-specific functional stress.

Eligibility and Restrictions for Use

Eligibility scope

Category Official Regulatory Statements
Populations for whom use is allowed Adult patients with tumors that overexpress HER2 or show HER2 gene amplification, as determined by a validated assay
Populations for whom use is not recommended Pediatric patients (under 18 years) and patients who are breastfeeding
Populations for whom use is contraindicated Patients who are pregnant (due to Embryo-Fetal Toxicity) and patients with a known hypersensitivity to trastuzumab or mouse proteins

Eligibility classifications (high-level)

Classification Type Statement
Eligibility severity classification Contraindicated (Pregnancy, Hypersensitivity). Use Requires Conditional Monitoring (Cardiomyopathy/LVEF status, Prior Anthracycline Exposure).
Age-related eligibility rules Indicated in adults only. Pediatric Use is not established. Geriatric use is allowed with no dedicated dose adjustment required.

Resulting eligibility structure

Ogivri is restricted to adult patients with a confirmed HER2-positive tumor. The most critical restriction is its contraindication in pregnancy, carrying a boxed warning from the FDA for Embryo-Fetal Toxicity. Furthermore, patients with pre-existing cardiac dysfunction or a history of anthracycline chemotherapy require conditional use with mandatory, continuous monitoring of Left Ventricular Ejection Fraction (LVEF) throughout treatment. Females of reproductive potential must use effective contraception during treatment and for a minimum of seven months after the final dose.

What should I know about interactions with other medicines?

Interaction Map: Interactions with other medicines and products — official regulatory information for Ogivri (Trastuzumab-dkst)

Property Official Regulatory Documentation
Medicinal product categories with documented interactions: Anthracyclines and Myelosuppressive Chemotherapy [Source: Regulatory Labeling].
Specific interacting medicines (if explicitly listed): Ado-trastuzumab emtansine and fam-trastuzumab deruxtecan (listed in the non-substitution restriction) [Source: Regulatory Labeling].
Mechanistic basis of interactions (only if stated in label): Pharmacodynamic (additive/synergistic toxicity). The labels describe increased risk outcomes when combined with certain chemotherapies [Source: Regulatory Labeling].
Timing-based interaction rules (if applicable): Restriction period for anthracyclines: Anthracycline-based therapies are typically not recommended for use for up to 7 months after the final dose of Ogivri [Source: Regulatory Labeling].
Population-specific interaction notes (if applicable): Elderly Patients: Notes suggest increased caution regarding the anthracycline cardiotoxicity risk due to a higher likelihood of age-related heart conditions [Source: Regulatory Labeling].
Interaction-related restrictions: Non-Substitution Restriction: Ogivri must not be substituted for or with ado-trastuzumab emtansine or fam-trastuzumab deruxtecan [Source: Regulatory Labeling].
Property Official Regulatory Documentation
Interaction severity classification (as defined in official documents): Contraindicated Combination (Non-substitution restriction for related conjugates) and Clinically Significant Pharmacodynamic Interactions (with Anthracyclines) [Source: Regulatory Labeling].
Regulatory basis (EMA / FDA / etc.): FDA Prescribing Information (DailyMed) and Official Health Authority Documentation [Source: Regulatory Labeling].
Interaction-context constraints (as defined in official documents): Risk of Cardiotoxicity: Interaction with anthracyclines is constrained by the maximum recommended cumulative lifetime dose of anthracyclines [Source: Regulatory Labeling].

Resulting interaction structure

Official interaction statements:

  • Co-administration or sequential use with Anthracyclines is associated with an officially documented, increased risk of cardiomyopathy and congestive heart failure, a pharmacodynamic cardiotoxicity.
  • Co-administration with Myelosuppressive Chemotherapy increases the regulatory risk of neutropenia or febrile neutropenia, a pharmacodynamic hematologic toxicity.
  • The official prescribing information mandates that Ogivri must not be substituted for or co-administered with the related antibody-drug conjugates, ado-trastuzumab emtansine or fam-trastuzumab deruxtecan.
  • Due to the risk of cardiotoxicity, a timing restriction of up to 7 months applies after discontinuing Ogivri before initiating anthracycline therapy.
  • The regulatory labels do not document any clinically significant pharmacokinetic interactions involving CYP enzymes, drug transporters, food, alcohol, or herbal products.

Connection to the overall interaction profile (2–4 sentences): The regulatory documents define the product’s interaction structure as being dominated by pharmacodynamic effects, specifically the synergistic risk of severe cardiac and hematologic toxicities when combined with certain cytotoxic agents. These interactions necessitate formal restrictions, including a non-substitution mandate for specific modified conjugates and a specified post-therapy separation period for anthracyclines. The absence of documented CYP or transporter-mediated interactions confirms that metabolic interference is not a noted concern within the official prescribing information.

Mechanism of Action

Direct Blockade of HER2 Signaling

Ogivri's action begins as a monoclonal antibody that binds with high affinity to the HER2 protein on the cell surface, physically blocking the receptor from combining with its partners. This binding functionally acts as an antagonist, immediately shutting down the internal tyrosine kinase activity and suppressing the initial molecular message for growth and proliferation.


Dual Mechanism: Inhibiting Survival and Inducing Cell Death

By silencing the HER2 receptor, the drug interrupts the critical PI3K/AKT survival pathway inside the cell, which halts cell division and triggers apoptosis (programmed cell death). Simultaneously, the antibody recruits and activates the body's Natural Killer (NK) cells in a process called Antibody-Dependent Cellular Cytotoxicity (ADCC), which provides an additional, critical physiological mechanism for the lysis of the targeted cells.


Pathway Constraints and Mechanistic Limitations

The drug's dual strategy modulates inherent biological processes, including cellular division, survival, and tissue support. This mechanism is subject to specific biological constraints, such as the activity of the PTEN/PI3K pathway downstream of HER2. Furthermore, resistance can occur if cells develop truncated p95-HER2 receptors, which lack the antibody's binding domain.

Dosage and Administration Information

Ogivri is administered exclusively via intravenous (IV) infusion and must not be given as a quick push or bolus. Administration is based on two primary frequency patterns: a weekly schedule or a three-weekly (Q3W) schedule, with all doses calculated based on the patient's body weight (mg/kg).

Treatment begins with a higher loading dose administered over 90 minutes, followed by lower, regular maintenance doses. For the weekly schedule, the loading dose is 4 mg/kg, followed by maintenance doses of 2 mg/kg. For the Q3W schedule, the initial dose is 8 mg/kg, followed by maintenance doses of 6 mg/kg. Subsequent infusions are typically administered over a shorter period, usually 30 minutes.

The duration of use is defined by the clinical context. For adjuvant use, treatment is given for a total of 52 weeks (one year), with extending treatment beyond this period not officially recommended. For metastatic disease, administration continues until disease progression.

As a lyophilized powder, the medicine requires specific preparation and dilution. It must be reconstituted and then diluted into 250 mL of 0.9% Sodium Chloride Injection, USP, for infusion, and Dextrose (5%) solution must not be used. A specific protocol is in place to determine whether a re-loading dose or maintenance dose is required if a scheduled dose is missed.

Recent Clinical Evidence

Research evidence / Overview of Studies for Ogivri


Evidence for Biosimilarity and Metastatic Breast Cancer

Ogivri is recognized by regulators as a biosimilar medicine to the original reference product, trastuzumab. The research path focused on confirming high similarity, not on independently confirming specific clinical outcomes of the active substance. This confirmation was accomplished through extensive laboratory analysis and specific clinical trials. Researchers conducted a key Phase 3 randomized trial (RCT) that was studied for adults with HER2-overexpressing metastatic breast cancer who had not previously received anti-HER2 therapy for their advanced disease.

The primary goal of this pivotal trial was to compare outcomes to determine clinical equivalence between Ogivri and the reference product. The main measurement was observed in the Overall Response Rate (ORR), which is a measurement observed in tumors over a defined short-term period of 24 weeks. The data show patterns related to this specific outcome measurement falling within the narrow statistical range required by regulators to establish clinical equivalence. The studies also monitored longer-term endpoints, including Progression-Free Survival (PFS) and Overall Survival (OS), for periods of up to 36 months. Findings described patterns observed in the studies that were closely compared between the groups receiving Ogivri and the groups receiving the reference product.


Research for Early and Locally Advanced Breast Cancer

The application of evidence for Ogivri in early-stage and locally advanced breast cancer (used before or after surgery) is based on the regulatory principle of extrapolation. This means that regulators reviewed the comprehensive data showing Ogivri's similarity in the metastatic setting and concluded that the findings can be applied to the early-stage setting.

Dedicated, large-scale Phase 3 equivalence trials were not conducted for this specific stage of the disease. Instead, regulators rely on the detailed analytical and functional studies that confirm the drug's high structural similarity. Research describes that the way the active component interacts with the HER2 protein is considered consistent across both early and metastatic disease stages. Real-World Evidence (RWE) also contributes to the broader evidence landscape by observing how patients use the medicine in routine clinical settings, tracking long-term measures such as Disease-Free Survival (DFS) in diverse patient groups.


Evidence for Gastric and Gastroesophageal Junction Cancer

Similar to the early breast cancer setting, the use of Ogivri for metastatic gastric or gastroesophageal junction adenocarcinoma is supported by extrapolation. This approach is used because the active component and its target (the HER2 protein) are scientifically judged to function similarly in both breast and gastric cancers. No dedicated, large Phase 3 randomized equivalence trial was studied for Ogivri specifically in patients with this type of advanced gastrointestinal cancer. The findings indicate that the comparative data are sufficiently similar to justify this application.


Research Gaps and Areas of Uncertainty

The primary gap in the research landscape is the reliance on the principle of extrapolation for two of the three main approved indications. The application is accepted through the extrapolation pathway, but this means that these settings lack dedicated, large-scale randomized trial data that specifically compared Ogivri to the reference product head-to-head in those populations. Furthermore, long-term effects are not fully established for all outcomes. Comparative evidence is lacking for extremely rare, late-onset events, underscoring the ongoing need for continued post-marketing surveillance to gather more evidence.

Frequently Asked Questions (FAQ)

Common questions about Ogivri (FAQ)

Q: What is Ogivri used for besides HER2-positive breast cancer?

According to official regulatory documents, Ogivri is used to treat certain adult patients with HER2-positive metastatic adenocarcinoma of the stomach or gastroesophageal junction. The active ingredient targets the HER2 protein, which is sometimes overexpressed in these advanced gastrointestinal cancers.


Q: How quickly do patients typically see or feel the effects of Ogivri?

Regulatory studies used to approve the medicine primarily measure effectiveness by observing tumor response over defined clinical periods, such as 24 weeks. Official product information does not describe how quickly a patient might start to feel the effects in a non-clinical sense.


Q: How long does the Ogivri infusion take for a typical appointment?

Regulatory labels state that the first treatment dose, called the loading dose, is typically infused over 90 minutes. Subsequent regular doses, or maintenance doses, are usually given over a shorter time, about 30 minutes. The official product information does not specify the total amount of time required for an entire appointment, which includes preparation and monitoring.


Q: Does Ogivri have any known interactions with common pain relievers?

Official regulatory documents state that no clinically significant interactions were observed between the active ingredient and other common medicines used during clinical trials. Specific drug interaction studies involving common pain relievers are not described in the regulatory label.


Q: Can Ogivri interact with herbal supplements or vitamins?

According to the official prescribing information, there are no documented clinically significant pharmacokinetic interactions involving herbal products or food. A pharmacokinetic interaction relates to how the body processes the drug.


Q: If I have a pre-existing heart condition, can I still receive Ogivri?

Regulatory documents indicate that patients with pre-existing heart conditions, especially severe heart failure, require caution. The official guidelines mandate continuous monitoring of heart function (called LVEF) throughout the treatment period. Use of the medicine requires an assessment of the patient’s current heart status and is subject to mandatory monitoring.


Q: Does Ogivri cause fatigue that is different from regular tiredness?

Official safety documentation lists 'fatigue' as a Very Common adverse reaction, meaning it is expected in many patients. The official regulatory documents list fatigue as an adverse reaction but do not provide a detailed comparison to distinguish it from general tiredness.


Q: Can Ogivri be used to treat early-stage HER2-positive breast cancer?

Yes, Ogivri is officially indicated in adults for the adjuvant treatment of HER2 overexpressing early breast cancer (EBC). Adjuvant treatment is typically given following initial treatments like surgery or chemotherapy.


Q: How long does Ogivri stay in your system after the last dose?

According to regulatory pharmacokinetic data, the active substance has a long half-life. The regulatory documentation indicates that the long half-life is the basis for certain post-treatment monitoring periods.


Q: Does Ogivri impact fertility in men or women?

The FDA prescribing information addresses a potential for impaired fertility observed in some animal studies. The effects on human fertility are considered unknown based on regulatory documents. Regulatory labels focus primarily on the necessary use of contraception due to the severe risk to a developing fetus.


Q: What should I do if I miss a scheduled Ogivri treatment?

The regulatory protocol for a missed dose depends on the time elapsed since the scheduled appointment. If the dose is missed by one week or less, the patient is generally given the usual maintenance dose. If more than one week has passed, the protocol described in regulatory documents states that a re-loading dose may be administered.


Q: Will I be monitored for side effects differently because Ogivri is a biosimilar?

Regulatory authorities have determined that Ogivri is highly similar to the reference product with no expected clinical differences in safety. The FDA and EMA mandate continued post-marketing surveillance for all biologic products, including biosimilars, to gather more evidence on potential rare events.


Q: Why might the first infusion be stopped temporarily during treatment?

Regulatory documents note that the infusion may be interrupted or slowed if the patient experiences an Infusion-Related Reaction (IRR). Because IRRs are most common during the first treatment, severe reactions can lead to a temporary pause or require the treatment to be permanently discontinued.


Q: Are there any known interactions between Ogivri and alcohol?

Official regulatory documents do not document any clinically significant interactions between Ogivri and alcohol. The official interaction profile primarily involves certain chemotherapy agents.


Q: Can Ogivri cause skin rashes or changes?

Regulatory labels list 'rash' as a commonly expected side effect for patients receiving this treatment. This is categorized as a commonly occurring adverse reaction in the official safety documents.


Q: What should I report to my care team immediately if I notice it after an infusion?

Official regulatory documents indicate that signs of serious adverse reactions should be reported immediately. This includes symptoms of heart failure, such as sudden swelling or shortness of breath, and severe Infusion-Related Reactions, such as trouble breathing, fever, or dizziness.


Q: Does Ogivri make patients more susceptible to infections?

Infections are listed as a Very Common adverse reaction in official safety documentation. The finding of neutropenia (low white blood cell count), which is also listed as Very Common, is generally associated with a potential for increased infection risk.


Q: Can Ogivri treatment affect my blood cell counts?

Yes, regulatory labels indicate that the treatment can affect blood cell counts. Both neutropenia (low white blood cell count) and anaemia (low red blood cell count) are listed as Very Common adverse reactions in the official safety information.


Q: What is the difference between a biologic and a biosimilar?

A biologic is a medicine made from living sources, such as cells, which results in a large and complex structure. A biosimilar is a biologic product that has been approved by regulators as highly similar to an already approved original biologic. Biosimilars are confirmed to have no clinically meaningful differences in terms of safety or effectiveness.


Q: What happens if my cancer becomes HER2 negative during treatment?

For metastatic disease, official prescribing information states that treatment continues until disease progression. While not explicitly defining a change in HER2 status, continued use of Ogivri depends on the tumor remaining HER2-positive, as the medicine works by targeting that specific protein.


Q: Is the manufacturing process for Ogivri reliable and safe?

The regulatory approval of Ogivri is based on a determination that the product meets the agency's strict standards for manufacturing quality, purity, and safety. This high standard is mandated for all approved biologic medicines.


Q: Does Ogivri cause peripheral neuropathy (tingling in hands/feet)?

Peripheral neuropathy (tingling or numbness in the hands or feet) is not listed as a very common or common adverse effect in the final product labels. However, review documents from the FDA associated with the drug's approval noted that peripheral sensory neuropathy was observed in some patients during clinical trials.


Q: Is Ogivri safe for patients with a history of lung disease?

Regulatory documents include a boxed warning regarding the risk of pulmonary toxicity (lung damage). Official information indicates that increased caution may be warranted for patients with pre-existing pulmonary conditions due to the documented risk of pulmonary toxicity.


Q: What should I do if I experience severe diarrhea after receiving Ogivri?

Diarrhea is listed as a Very Common adverse reaction in the official safety information. The regulatory labeling directs patients to report persistent, severe, or concerning adverse reactions, including severe diarrhea, directly to their healthcare provider for evaluation.


Q: Why do some people experience pain at the tumor site after the first infusion?

This specific experience is not detailed or explained in the general adverse reaction tables within the official regulatory documents. Safety information focuses on known, categorized adverse events like infusion reactions, cardiac risks, and hematologic effects.

How should Ogivri be stored and disposed of?

How to Store and Dispose of Ogivri (trastuzumab-dkst)

The storage and disposal instructions for Ogivri are strictly based on official regulatory labeling, ensuring the stability and safe handling of the medicine.


Storage Requirements

Product State Temperature Range Stability/Protection Rule
Unreconstituted Vials Store in the refrigerator (2 C to 8 C) Keep in original carton for protection from light.
Reconstituted Solution Store in the refrigerator (2 C to 8 C) Do not freeze. Solution is stable for up to 28 days (if prepared with BWFI).

Disposal and Child Safety

All used needles and syringes must be placed in a puncture-proof sharps container. Expired or unused medicine should not be disposed of via wastewater or household waste. The medicine must be stored out of the sight and reach of children.

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

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