Thyrogen

Thyrogen Adverse Reactions

thyrotropin alfa

Manufacturer:

Genzyme

Distributor:

DKSH
Full Prescribing Info
Adverse Reactions
Clinical Trials Experience: Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.
The data described as follows reflect exposure to THYROGEN in 481 thyroid cancer patients who participated in a total of 6 clinical trials of THYROGEN: 4 trials for diagnostic use and 2 trials for ablation. In clinical trials, patients had undergone near-total thyroidectomy and had a mean age of 46.1 years. Thyroid cancer diagnosis was as follows: papillary (69.2%), follicular (12.9%), Hurthle cell (2.3%) and papillary/follicular 15.6%. Most patients received 2 intramuscular injections of 0.9 mg of THYROGEN injection given 24 hours apart [see Pharmacology: Pharmacodynamics: Clinical Studies under Actions].
The safety profile of patients who have undergone thyroidectomy and received THYROGEN as adjunctive treatment for radioiodine ablation of thyroid tissue remnants for well-differentiated thyroid cancer did not differ from that of patients who received THYROGEN for diagnostic purposes.
Reactions reported in ≥ 1% of patients in the combined trials are summarized in Table 5. In some studies, an individual patient may have participated in both THYROGEN and thyroid hormone withdrawal [see Pharmacology: Pharmacodynamics: Clinical Studies under Actions]. (See Table 5.)

Click on icon to see table/diagram/image

Postmarketing Experience: The following adverse reactions have been identified during post-approval use of THYROGEN. 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.
Transient (<48 hours) influenza-like symptoms, including fever (>100°F/38°C), chills/shivering, myalgia/arthralgia, fatigue/asthenia/malaise, headache, and chills.
Hypersensitivity including urticaria, rash, pruritus, flushing, and respiratory signs and symptoms.
Injection site reactions, including pain, erythema, bruising, and pruritus.
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