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PARS‑EC® Kit

 Sterile, NonPyrogen Lyophilized Powder

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KIT FOR THE PREPARATION OF 99mTc (Sn)-EC INJECTION
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SPECT Imaging
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Diagnostic
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About the Product

PARS‑EC® is a sterile, non‑pyrogen lyophilized powder kit designed for the preparation of 99mTc‑EC. Each vial contains 1 mg of ethylenedicysteine and is intended for intravenous administration. PARS‑EC® is for diagnostic use only and is employed for the preparation of 99mTc‑EC.

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Applications
  • Assessment of renal and urinary tract perfusion
  • Evaluation of renal secretory function
  • Assistance in the diagnosis and follow‑up of a wide range of renal diseases
  • Evaluation of the urinary tract and differentiation between obstructive and non‑obstructive conditions
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Mechanism of Action

Following intravenous administration, 99mTc‑EC, as a tubular agent, enters the bloodstream and reaches the renal tissue via the renal vasculature. The progressive transit and gradual accumulation of this agent within the renal structures enable the acquisition of dynamic, time‑sequenced images. These images allow the physician to assess the extent and pattern of renal and urinary tract perfusion, the rate of tubular uptake and excretion, as well as the presence of any functional or obstructive abnormalities. This information plays a crucial role in identifying various diseases and complications of the urinary system and in guiding appropriate therapeutic decisions.

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Preparation and Administration

Note: This pharmaceutical product is intended solely for use in nuclear medicine facilities by personnel experienced in handling radiopharmaceuticals.

The PARS‑EC® kit is radiolabeled with a specified amount of sterile, non‑pyrogen sodium pertechnetate injection (Na⁹⁹ᵐTcO₄), eluted from a ⁹⁹Mo/⁹⁹ᵐTc generator, at the activity prescribed by the physician, and is then prepared for intravenous administration. The administered radioactivity or dose should always be adjusted according to the diagnostic value and clinical necessity.

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Box Contents

Each box contains one instruction leaflet and four vials (two kit vials and two buffer solution vials), along with two labels specifically designated for the radiolabeling procedure.

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Composition

Ethylenedicysteine (1 mg)

Stannous Chloride Dihydrate

Mannitol

Phosphate Buffer Solution

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Storage Conditions
  • The PARS‑EC® kit should not be used after the expiration date.
  • Store the EC kit in a refrigerator (2°C to 8°C) and protected from light. The cold chain must be maintained under all circumstances.
  • After radiolabeling, 99mTc‑EC must be used within 4 hours and stored at 15°C to 25°C
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