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Intranasal chlorpheniramine (0.4%) for the perennial allergic rhinitis (AR) treatment in adults. Phase IV.

Multicenter phase IV clinical study in two stages, to evaluate the efficacy, safety and use in real clinical practice of Chlorpheniramine Maleate (0.4%) nasal spray, in patients with perennial allergic rhinitis. - Not applicable

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
RPCEC
Registry ID
RPCEC00000454
Enrollment
400
Registered
2025-02-12
Start date
2025-02-12
Completion date
Unknown
Last updated
2026-08-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Perennial Allergic Rhinitis

Interventions

Stage I Chlorpheniramine group (experimental): Chlorpheniramine maleate (0.4%), 2 sprays in each nostril, 4 times a day, for 28 days. Placebo group (control): Placebo: 2 sprays in each nostril, 4 time

Sponsors

APEX DRUG HOUSE
Lead Sponsor

Eligibility

Sex/Gender
All
Age
19 Years to No maximum

Inclusion criteria

Inclusion criteria: - Age and Gender: 1. Male and female patients over 18 years of age. Diagnosis of Perennial Allergic Rhinitis (PRA): 1. Documented history of RAP for at least 1 year. 2. Confirmation of IgE-mediated hypersensitivity to perennial allergens (for example, dust mites, mold, cat or dog dander), demonstrated by: a)Skin prick test: Wheal with a diameter =5 mm larger than the negative control, with a positive histamine control (>5 mm). b) Measurement of specific IgE in serum. - Ability to Participate: 1. Willingness and ability to comply with the protocol requirements and attend scheduled visits. - Health Status: 1. Good general health, with no significant medical conditions that interfere with the interpretation of the results. - - - Consent: 1. Ability to provide written informed consent. cheduled visits.

Exclusion criteria

Exclusion criteria: - Nasal Conditions: 1. Superficial erosion or ulceration of the nasal mucosa. 2. Clinically significant nasal polyposis or severe structural abnormalities. 3. Chronic recurrent sinusitis (>3 episodes per year). - Respiratory Diseases: 1. Active or recent respiratory infections (500 ms). 2. Clinically diagnosed obstructive sleep apnea syndrome. - Other Exclusions: 1. Known hypersensitivity to chlorpheniramine maleate or its components. 2. Nasal or sinus surgery in the last year. 3. Pregnancy or breastfeeding. 4. Inability to give informed consent or comply with the protocol.

Design outcomes

Primary

MeasureTime frame
Total nasal symptoms (It is evaluated using the Total Nasal Symptoms Questionnaire (TNSS)). Measurement time: Stage I: At baseline and, 7, 14 and, 28 days after treatment started. Stage II: At baseline, 7, 14 and, 28 days and, 3 and 6 months after treatment started.

Secondary

MeasureTime frame
1. Quality of life (It is evaluated according to the score for each of the items and the total score of the following questionnaires: Sino-nasal Symptoms Questionnaire (SNOT-22), Leicester Cough Questionnaire (LCQ), Rhinoconjunctivitis Quality of Life Questionnaire (RQLQ)).Measurement time: Stage I: At baseline and, 7, 14 and, 28 days after treatment started. Stage II: At baseline, 7, 14 and, 28 days and, 3 and 6 months after treatment started. 2. Adverse Events-AE (Occurrence of any AE in the subject (yes/no), Description of the AE (Name of the adverse event), Duration of the EA (Difference in dates between the start and end of the event), AE intensity (Mild, Moderate, Severe), Severity of the AE (Serious/serious, Not serious/not serious), Attitude towards the study treatment (no changes, dose modification, temporary or permanent interruption of the study treatment), Result of the AE (recovered, improved, persists or sequelae), Causality relationship (1. Very Likely, 2. Probable, 3.Possible, 4.Unlikely, 5.Not related, 6.Not evaluable)). Measurement time: Stage I: At baseline and, 7, 14 and, 28 days after treatment started. Stage II: At baseline, 7, 14 and, 28 days and, 3 and 6 months after treatment started.

Countries

Cuba

Contacts

Public ContactIglermys Figueroa Garcia

“Hermanos Ameijeiras” Surgical Clinical Hospital

iglermis@infomed.sld.cu

Outcome results

None listed

Source: RPCEC (via WHO ICTRP) · Data processed: Aug 25, 2026