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Omalizumab

Phase 3

Allergic Asthma | Small molecule | Respiratory |Novartis AG|Last Updated: Jan 12, 2026

Target and mechanism

Molecular targetIGHE
Target classInhibitor
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials2
Total Enrollment89

FDA Designations

No designations recorded

Clinical trial landscape

Omalizumab · 21 trials · 12 indications

Phase 3 16Phase 2 4Phase 1 1
NCT03369704Study of Efficacy and Safety of Omalizumab in Severe Japanese Cedar Pollinosis Adult and Adolescent PatientsSeasonal Allergic Rhinitis
COMPLETED337 Analytics
NCT03328897Study of Efficacy and Safety of Xolair® (Omalizumab) in Chinese Patients With Chronic Spontaneous UrticariaChronic Spontaneous Urticaria
COMPLETED418 Analytics
NCT02329223Study of Efficacy and Safety of Omalizumab in Refractory Chronic Spontaneous Urticaria PatientsChronic Spontaneous Uriticaria
COMPLETED218 Analytics
NCT02161562OPTIMA: Efficacy of Optimized Re-treatment and Step-up Therapy With Omalizumab in Chronic Spontaneous Urticaria (CSU) PatientsChronic Spontaneous Urticaria
COMPLETED314 Analytics
NCT01723072Impact of Omalizumab on Quality of Life Measures and Angioedema Occurrence in Patients With CSU Refractory to TherapyChronic Spontaneous Urticaria
COMPLETED91 Analytics
NCT01328886Long-term Safety, Tolerability and Efficacy of Omalizumab in Japanese ChildrenAllergic Asthma
COMPLETED38 Analytics
NCT01202903Omalizumab in Patients With Moderate to Severe Persistent Allergic Asthma Not Adequately Controlled Despite GINA (2009) Step 4 TherapyPersistent Allergic Asthma
COMPLETED616 Analytics
NCT01155700Pharmacokinetics and Pharmacodynamics, Efficacy and Safety of Omalizumab in Japanese Children (6 - 15 Years)Allergic Asthma
COMPLETED51 Analytics
NCT01007149Effect of Omalizumab in Patients With Severe Persistent Non-atopic Uncontrolled AsthmaAsthma
COMPLETED79 Analytics
NCT00500539Open Label Study to Assess Safety and Immunogenicity of Omalizumab Liquid Formulation.Asthma
COMPLETED155 Analytics
PHASE3COMPLETED
Study of Efficacy and Safety of Omalizumab in Severe Japanese Cedar Pollinosis Adult and Adolescent Patients
Seasonal Allergic RhinitisUnlock trial analytics
PHASE3COMPLETED
Study of Efficacy and Safety of Xolair® (Omalizumab) in Chinese Patients With Chronic Spontaneous Urticaria
Chronic Spontaneous UrticariaUnlock trial analytics
PHASE3COMPLETED
Study of Efficacy and Safety of Omalizumab in Refractory Chronic Spontaneous Urticaria Patients
Chronic Spontaneous UriticariaUnlock trial analytics
PHASE3COMPLETED
OPTIMA: Efficacy of Optimized Re-treatment and Step-up Therapy With Omalizumab in Chronic Spontaneous Urticaria (CSU) Patients
Chronic Spontaneous UrticariaUnlock trial analytics
PHASE3COMPLETED
Impact of Omalizumab on Quality of Life Measures and Angioedema Occurrence in Patients With CSU Refractory to Therapy
Chronic Spontaneous UrticariaUnlock trial analytics
PHASE3COMPLETED
Long-term Safety, Tolerability and Efficacy of Omalizumab in Japanese Children
Allergic AsthmaUnlock trial analytics
PHASE3COMPLETED
Omalizumab in Patients With Moderate to Severe Persistent Allergic Asthma Not Adequately Controlled Despite GINA (2009) Step 4 Therapy
Persistent Allergic AsthmaUnlock trial analytics
PHASE3COMPLETED
Pharmacokinetics and Pharmacodynamics, Efficacy and Safety of Omalizumab in Japanese Children (6 - 15 Years)
Allergic AsthmaUnlock trial analytics
PHASE3COMPLETED
Effect of Omalizumab in Patients With Severe Persistent Non-atopic Uncontrolled Asthma
AsthmaUnlock trial analytics
PHASE3COMPLETED
Open Label Study to Assess Safety and Immunogenicity of Omalizumab Liquid Formulation.
AsthmaUnlock trial analytics

Study Endpoints

Primary Endpoints

Mean Nasal Symptom Score
Severe symptom period (from 23Feb2018 to 24March2018)

Nasal symptoms (sneezing, rhinorrhea and nasal congestion) were recorded by the patient everyday in their e-Diary, on a scale of 0 (none) to 4 (intense/severe). Nasal symptom score (0-12 point) consisted of score for severity of sneezing (0-4 point), rhinorrhea (0-4 point) and nasal congestion (0-4 point). Severe symptom period: The three weeks where the cumulative value of the mean daily nasal symptom score is the maximum. The three weeks must also meet one of the following criteria: 2) ≥ 70% of the period with concomitant use of fluticasone propionate is included in this three weeks. 2) ≥ 70% of this three weeks includes the period with concomitant use of fluticasone propionate. If not, severe symptom period was extended at a minimum to meet one of the criteria above. The severe symptom period will be defined as: the three weeks where the cumulative value of the mean daily nasal symptom score will be the maximum.

Change From Baseline of the Itch Severity Score (ISS7) Score After 12 Weeks of Treatment
Baseline, Week 12

The severity of the itch was recorded by the patient twice daily in their eDiary, on a scale of 0 (none) to 3 (intense/severe). Baseline ISS7 was calculated 7 days prior to the first treatment date. A weekly score (ISS7) was derived by adding up the average daily scores of the seven days preceding the visit. The possible range of the weekly score was therefore 0 to 21, where 0 is the best score and 21 is the worst score. The complete itch response was defined as ISS7 = 0. Itch (Pruritus) Severity Score Scale: 0 = None 1. = Mild (minimal awareness, easily tolerated) 2. = Moderate (definite awareness, bothersome but tolerable) 3. = Severe (difficult to tolerate)

Change From Baseline in the Weekly Itch Severity Score at Week 12
Baseline to Week 12

The weekly itch severity score is a component of the Urticaria Activity Score 7 (UAS7) composite score. The UAS7 is a composite score of the number of wheals (hives) and the severity of the itch. The weekly itch severity score is the sum of the daily itch severity scores over 7 days and ranges from 0 to 21. The daily itch severity score is the average of the morning and evening scores on a scale of 0 (none) to 3 (severe). The Baseline weekly itch severity score is the sum of the daily itch severity scores over the 7 days prior to the first treatment. A higher itch severity score indicates more severe itching. A negative change score from baseline indicates improvement.

Number of Participants Who Were Clinically Well-controlled (UAS7<=6) After the Initial Dosing Period, Relapsed (UAS7>=16) When Treatment Was Discontinued, and Who Achieved a UAS7 Score <=6 at the End of the Second Dosing Period (Retreatment A2 and B2)
Last 7 days of second dosing period, 44 weeks

The UAS7 is a 7-day composite self-reported evaluation of itch (daily score 0-3) plus number of hives (daily score 0-3). The worst possible daily UAS score is 6, and the worst possible UAS7 score is 42. For this outcome, the participant's self-reported UAS7 score will be drawn from the last 7 days of the second dosing period.

Mean Change From Baseline Using Chronic Urticaria Quality of Life Questionnaire (CU-Q2oL) Total Scores During the Study: Unadjusted Analysis and ANCOVA (LOCF) (FAS)
Baseline, 4, 12, 20, 28 and 36 weeks

The CU-Q2oL is a questionnaire that measures the relative burden of chronic urticaria on subjective well-being. It consists of 23 questions in 3 domains (symptoms, general impairment, difficulties and problems due to urticaria). Participants are asked to respond how much they are troubled by each problem on a 5-point Likert scale (1= not at all to 5= very much). An overall score is calculated and normalized to a scale of 1 to 100.

To assess the long-term safety and tolerability of omalizumab by measuring AEs, serious AEs, physical examination, medical history, laboratory assessments and vital signs
Every 3 months for approximately 2 years
Change From Baseline in Mean Morning Peak Expiratory Flow (PEF) Following the 24-week Treatment Period
Baseline, 24 weeks

A Peak Expiratory Flow (PEF) meter was distributed to patients at Visit 1, to be used to measure PEF twice-daily as directed. During the Screening and Treatment Periods, PEF was measured in the morning and evening every day. the morning PEF was performed within 15 minutes after waking, and the evening PEF approximately 12 hours later. Patients were encouraged to perform morning and evening PEF measurements before the use of any LABA or rescue medication. The highest of 3 values was recorded as the daily personal best. The personal best was used to calculate the mean morning PEF and mean evening PEF value collected between assessment Visits LS Mean of change from baseline in mean morning PEF is calculated with the ANCOVA model using treatment, stratification group, dosing schedule, gender, center grouping, smoking status, and baseline mean morning PEF as covariates.

To examine whether the geometric mean of serum free IgE level at 24 weeks of the treatment period in Japanese pediatric patients reaches under 25 ng/mL (target level).
24 weeks
Change From Baseline in the Expression of FcεRI Receptors of Blood Basophils
Baseline and 16 weeks

Venous blood samples were collected at screening and at Week 16. Flow cytometry analysis determined the FcεRI receptors expression of blood basophils (mean fluorescence intensity(MFI)). Relative change in mean fluorescence intensity at the end of study was expressed as a percentage of baseline value.

Change From Baseline in the Expression of FcεRI Receptors of Dendritic Cells
Baseline and 16 weeks

Venous blood samples were collected at screening and at Week 16. Flow cytometry analysis determined the FcεRI receptors expression of dendritic cells (mean fluorescence intensity (MFI)). Relative change in mean fluorescence intensity at the end of study was expressed as a percentage of baseline value.

The Number of Participants With Confirmed Positive Human Antihuman Antibody (HAHA) Results at the End of the 16-week Follow-up Period
16 weeks after last dose

An assessment of the immunogenic potential of omalizumab liquid was a primary objective of the study, and was based on the results of the human anti-human antibody (HAHA) assays at the end of the follow-up period. A participant was considered potentially HAHA positive if either Fab or Fc was more than 2.0 titer. All values more than 2.0 titer were re-assayed to obtain a confirmatory result. Confirmatory results were used to determine those participants who were HAHA positive.

Rate of Clinically Significant Asthma Exacerbations Per Patient in the 24-week Fixed-dose Steroid Treatment Period
Baseline to end of the fixed-dose steroid treatment period (Week 24)

A clinically significant asthma exacerbation was defined as a worsening of asthma symptoms, as judged clinically by the investigator, requiring doubling of the baseline inhaled corticosteroid dose and/or treatment with systemic rescue corticosteroids for at least 3 days. The exacerbations rate per patient was derived using Poisson model adjusted by time at risk and the following covariates: country, exacerbation history, and dose schedule. A patient's person-days at risk was taken as the total amount of time (in days) he/she spent in the 24-week fixed-dose steroid treatment period.

Percentage of Participants With at Least 1 Adverse Event
Baseline to end of the study (Week 68)

See Adverse Events module for details.

Safety of omalizumab
Safety assessed by adverse events, serious adverse events, hematology, blood chemistry and urinalysis value, vital signs data, the performance of physical examinations and body weight measurements.
Safety assessed by adverse events, serious adverse events, vital signs and laboratory safety data. A blood sample will be collected at each scheduled visit prior to administration of study medication and analyzed for free and total IgE levels and total
Morning peak expiratory flow (PEF) at baseline and end of treatment.
Clinically significant asthma exacerbation
Change in Eosinophil Numbers Per High Power Field Proximally and Distally Between Baseline and Post-treatment and Between Both Groups
16 weeks
Pregnancy rate
7 weeks

To explore differences in pregnancy rate between asthmatic women receiving biological treatment vs. asthmatic women receiving normal asthma treatment and placebo. Pregnancy rate is defined as positive serum- Choriogonadotropin (in week 2) and ongoing pregnancy confirmed with ultra sound in week 7, after 3 consecutive IVF cycles. End of study measured as birth of life born infant or unsuccessful pregnancy

Proportion of Patients With Remission of Solar Urticaria Under Experimental Conditions (Phototesting)
4 weeks after the end of treatment

Proportion of patients with minimal urticarial dose (MUD) increased compared to baseline, under experimental conditions (assessed by phototesting). A small area of skin is exposed to increasing UVA doses with a solar simulator until an allergic reaction appears. The lower UVA dose triggering the urticaria is the MUD.

Change in Provocation Thresholds From Baseline to Day 70 in Urticaria Factitia Patients After Treatment With Omalizumab Compared to Placebo
70 days

Patients receive provocation test by FricTest (standardized stroking of the skin). FricTest ratings are from 0 (no wheal development to the longest pin) to 4 (wheal development to all four pins). The development of wheals within 30 minutes after provocation is monitored.

Measure percentage of patients able to undergo reaction-free desensitizations.
2 Years

Secondary Endpoints

Mean Ocular Symptom Score and Mean Nasal Ocular Symptom Score
Severe symptom period (from 23Feb2018 to 24Mar2018)
Mean Nasal Symptom Medication Score, Mean Ocular Symptom Medication Score, and Mean Nasal Ocular Symptom Medication Score
Severe symptom period (from 23Feb2018 to 24Mar2018)
Mean Score for Severity of Sneezing, Rhinorrhea and Nasal Congestion
Severe symptom period (from 23Feb2018 to 24Mar2018)
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
OmalizumabEXPERIMENTALEligible patients randomized to this arm received omalizumab subcutaneously for 12 weeks
PlaceboPLACEBO_COMPARATOREligible patients randomized to this arm received placebo subcutaneously for 12 weeks
Omalizumab 300mgEXPERIMENTALpatients received a dose of omalizumab 300 mg which consisted of two injections of omalizumab 150 mg vials every 4 weeks (Day 1, Week 4 and Week 8)
Omalizumab 150mgEXPERIMENTALpatients received a dose of omalizumab 150 mg which consisted of one injection of omalizumab 150 mg vial and one injection of placebo 150 mg vial every 4 weeks (Day 1, Week 4 and Week 8)
Omalizumab 300 mgEXPERIMENTALParticipants received omalizumab 300 mg subcutaneously every 4 weeks during the 12 week treatment period.
Omalizumab 150 mgEXPERIMENTALParticipants received omalizumab 150 mg subcutaneously every 4 weeks during the 12 week treatment period.
1 OmalizumabEXPERIMENTALomalizumab once a month via subcutaneous injection.
2 PlaceboPLACEBO_COMPARATORplacebo of omalizumab once a month via subcutaneous injection
omalizumab armACTIVE_COMPARATORThe treatment is initiated with one injection with weight and serum-Immunoglobulin E balanced omalizumab one time per cyclus
placebo armPLACEBO_COMPARATORParticipants will be administered placebo (NaCl), one time per cyclus

Interventions

NameTypeDescription
OmalizumabDRUGOmalizumab were administered by subcutaneous injection. Dose (75 to 600 mg) and dosing frequency (every 2 or 4 weeks) were determined by serum total IgE level (IU/mL) and body weight (kg) measured at the screening epoch according the dosing table.
PlaceboDRUGPlacebo were administered by subcutaneous injection. Dose (75 to 600 mg) and dosing frequency (every 2 or 4 weeks) were determined by serum total IgE level (IU/mL) and body weight (kg) measured at the screening epoch according the dosing table.
FluticasoneDRUGPatients entered the study using their current formulation of any inhaled steroid (proprietary drug and device) ≥ 200 μg/day equivalent of fluticasone administered with a dry-powder inhaler.
Omalizumab InjectionDRUGThe treatment is initiated with one injection with weight and serum-immunoglobulin E balanced omalizumab. After omalizumab treatment at ovulation it will again be collected material (blood samples, sputum, secretion of the vagina, secretion of the rectum, secretion of the uterus, microbiota). If no pregnancy has occurred after first IVF cycle, this will be repeated for 3 consecutive IVF cycles in total or until pregnancy has occurred.
NaClDRUGThe treatment is initiated with one injection with placebo. After placebo injection treatment at ovulation it will again be collected material (blood samples, sputum, secretion of the vagina, secretion of the rectum, secretion of the uterus, microbiota). If no pregnancy has occurred after first IVF cycle, this will be repeated for 3 consecutive IVF cycles in total or until pregnancy has occurred.
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Eligibility Criteria

Age Range12 Years to 75 Years
SexALL
Healthy VolunteersNo
Study Sites22

Inclusion criteria: * A clinical history of Japanese cedar pollinosis defined by the following * Took nasal corticosteroid plus one or more medications out of antihistamine (second generation), leukotriene receptor antagonist, or prostaglandin D2 thromboxane A2 receptor antagonist in Japanese ce...

Countries:JapanChinaSouth KoreaArgentinaBrazilCanadaChileDominican RepublicGuatemalaMexicoPanamaGermanyFranceUnited StatesDenmark
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Frequently asked questions about Omalizumab

What is Omalizumab used for?

Omalizumab is used for persistent allergic asthma, seasonal allergic rhinitis, chronic urticaria, and chronic spontaneous urticaria. It is an investigational therapy in Phase 3 clinical development for these respiratory and allergy-related conditions.

What does Omalizumab target?

Omalizumab is a monoclonal antibody that targets immunoglobulin E (IgE), a key driver of allergic responses. By binding to IgE, it is designed to reduce allergic inflammation associated with conditions like asthma and chronic urticaria.

Who makes Omalizumab?

Omalizumab is developed by Novartis AG, a global healthcare company traded on the New York Stock Exchange under the ticker symbol NVS. The company is conducting clinical trials to evaluate the drug's safety and efficacy.

What phase is Omalizumab in?

Omalizumab is in Phase 3 clinical development. It is an investigational drug, meaning it has not yet been approved by regulatory authorities. Multiple Phase 3 trials have been completed to assess its effects in patients with asthma.

What clinical trials is Omalizumab in?

Omalizumab has been studied in several completed clinical trials, including NCT00046748, which evaluated its efficacy and safety in 484 patients with severe persistent asthma, and NCT00482508, a safety study in 95 patients with poorly controlled asthma. Other trials include NCT01007149 and NCT03727971.

Is Omalizumab the same as Xolair?

Omalizumab is also known by the brand name Xolair. It is a monoclonal antibody developed for allergic conditions such as asthma and chronic urticaria. The drug is being developed by Novartis AG.