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paricalcitol injection Adverse Reactions

6 ADVERSE REACTIONS

The following serious adverse reactions are described below and elsewhere in the labeling:

6.1 Clinical Trials Experience

Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice.

The safety of Paricalcitol Injection has been established from adequate and well-controlled studies of another paricalcitol injection product [see Clinical Studies (14)]. Below is a display of the adverse reactions of paricalcitol injection in these adequate and well-controlled studies.

Four placebo-controlled, double-blind, multicenter studies were conducted in 113 patients (51% male, 10% Caucasian, 81% African-American and 9% Hispanic, ranging in age from 18 to 90 years). Sixty-two patients were exposed to paricalcitol injection and the average dose at the end of treatment was 0.12 mcg/kg/dose with a mean number of 55 days of dosing across the studies. Discontinuation of therapy due to any adverse reaction occurred in 6.5% of patients treated with paricalcitol injection and 2.0% of patients treated with placebo. Adverse reactions occurring with greater frequency in the group treated with paricalcitol injection and at a frequency of 2% or greater are presented in Table 3.

Table 3. Adverse Reactions Occurring at a Rate of 2% or Greater in Patients with CKD on Dialysis in Four Placebo-Controlled Studies
Adverse ReactionPlacebo
(n = 51)
%
Paricalcitol Injection
(n = 62)
%
Nausea813
Vomiting68
 Edema07
 Gastrointestinal Hemorrhage25
 Chills25
 Pyrexia25
 Pneumonia05
 Sepsis25
 Influenza45
 Arthralgia45
 Palpitations03
 Dry Mouth23
 Malaise03

Other Adverse Reactions

The following adverse reactions occurred in less than 2% of the patients treated with paricalcitol injection in the above-mentioned studies and in additional double-blind, active-controlled and open-label studies:

Blood and Lymphatic System Disorders: Anemia, lymphadenopathy

Cardiac Disorders: Arrhythmia, atrial flutter, irregular heart rate, cardiac arrest, chest discomfort, chest pain, edema peripheral

Ear and Labyrinth Disorders: Ear discomfort

Endocrine Disorders: Hypoparathyroidism

Eye Disorders: Conjunctivitis, glaucoma, ocular hyperemia

Gastrointestinal Disorders: Abdominal discomfort, constipation, diarrhea, dysphagia, gastritis, intestinal ischemia, rectal hemorrhage

General Disorders: Asthenia, condition aggravated, fatigue, feeling abnormal, pain, swelling

Infections: Nasopharyngitis, upper respiratory tract infection, vaginal infection

Injection Site Reactions: Injection site extravasation, injection site pain

Laboratory Abnormalities: Hypercalcemia, hyperkalemia, hyperphosphatemia, hypocalcemia, increased aspartate aminotransferase, prolonged bleeding time

Metabolism and Nutrition Disorders: Decreased appetite, thirst, decreased weight

Musculoskeletal and Connective Tissue Disorders: Joint stiffness, muscle twitching, myalgia

Neoplasms Benign, Malignant and Unspecified: Breast cancer

Nervous System Disorders: Cerebrovascular accident, dizziness, dysgeusia, headache, hypoesthesia, myoclonus, paresthesia, syncope, unresponsive to stimuli, gait disturbance

Psychiatric Disorders: Agitation, confusional state, delirium, insomnia, nervousness, restlessness

Reproductive System and Breast Disorders: Breast pain, erectile dysfunction

Respiratory, Thoracic and Mediastinal Disorders: Cough, dyspnea, orthopnea, pulmonary edema, wheezing

Skin and Subcutaneous Tissue Disorders: Alopecia, blister, hirsutism, night sweats, rash pruritic, pruritus, skin burning sensation

Vascular Disorders: Hypertension, hypotension

6.2 Postmarketing Experience

The following adverse reactions have been identified during post approval use of paricalcitol injection. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

Allergic reactions including rash, urticaria, and angioedema (including laryngeal edema) have been reported.

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