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Active Pharma Ingredients / 31 Aug 2026

ASAPIPRANT

Generic Name: ASAPIPRANT

ABSTRACT -

Asapiprant, also known as S-555739, is an investigational small-molecule antagonist of the prostaglandin D2 DP1 receptor. DP1 signaling can contribute to inflammatory airway responses, vascular effects, and allergic-disease biology. Asapiprant has been studied primarily in allergic rhinitis, allergic asthma, inflammatory models, and exploratory antiviral/inflammation research. It is not an established routine clinical medicine and should be used only in a specialist or protocol-directed setting.

DOSAGE -

No universally approved dosage is established. Clinical use, if any, must follow a protocol or specialist direction. Oral dosing has been evaluated in controlled studies for allergic/inflammatory indications; dose, duration, and monitoring depend on the study design.

SIDE EFFECTS–

  • Possible or reported side effects may include:
  • Headache
  • Nasopharyngitis or upper-respiratory symptoms
  • Nausea or abdominal discomfort
  • Dizziness
  • Fatigue
  • Rash or itching
  • Laboratory abnormalities reported during studies
  • Possible worsening of respiratory symptoms in susceptible patients

ALLERGIC REACTIONS -

  • Hypersensitivity to the active substance or excipients is possible.
  • Monitor for rash, urticaria, facial swelling, wheeze, chest tightness, severe dizziness, or anaphylaxis.

DRUG INTERACTIONS-

  • Use caution with:
  • Other anti-asthma or anti-allergy medicines with overlapping effects
  • CYP-metabolized medicines where exposure changes are suspected
  • Systemic corticosteroids or biologics used in the same trial
  • Other investigational products
  • Patients should inform healthcare providers about all prescription medicines, over-the-counter medicines, herbal products, and supplements they are using.

PREAUTIONS–

  • Confirm the indication, study protocol, and eligibility before use.
  • Assess asthma control, acute bronchospasm risk, infection status, pregnancy status, and hepatic/renal function when relevant.
  • Do not substitute for rescue bronchodilator therapy or established controller therapy in acute asthma.
  • Review all concomitant respiratory, allergy, and anti-inflammatory medicines before administration.

WARNINGS –

  • Not for self-medication or unsupervised asthma treatment.
  • Seek urgent care for severe breathing difficulty or allergic reaction.
  • Keep out of reach of children.
  • In case of overdose, severe reaction, or clinical deterioration, seek immediate medical attention.

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