Colcrys

COLCRYS — colchicine tablet, film coated
Physicians Total Care, Inc.

1 INDICATIONS AND USAGE

1.1 Gout Flares

COLCRYS® (colchicine, USP) tablets are indicated for prophylaxis and the treatment of acute gout flares.

Prophylaxis of Gout Flares:
COLCRYS is indicated for prophylaxis of gout flares.
Treatment of Gout Flares: COLCRYS tablets are indicated for treatment of acute gout flares when taken at the first sign of a flare.

1.2 Familial Mediterranean fever (FMF)

COLCRYS® (colchicine, USP) tablets are indicated in adults and children 4 years or older for treatment of familial Mediterranean fever (FMF).

2 DOSAGE AND ADMINISTRATION

The long term use of colchicine is established for FMF and the prophylaxis of gout flares but the safety and efficacy of repeat treatment for gout flares has not been evaluated. The dosing regimens for COLCRYS are different for each indication and must be individualized.

The recommended dosage of COLCRYS depends on the patient’s age, renal function, hepatic function, and use of co-administered drugs [see Dose Modification for Co-administration of Interacting Drugs (2.4) ].

COLCRYS tablets are administered orally, without regard to meals.

COLCRYS is not an analgesic medication and should not be used to treat pain from other causes.

2.1 Gout Flares

Prophylaxis of Gout Flares:

The recommended dosage of COLCRYS for prophylaxis of gout flares for adults and adolescents older than 16 years of age is 0.6 mg once or twice daily. The maximum recommended dose for prophylaxis of gout flares is 1.2 mg/day.

Treatment of Gout Flares:

The recommended dose of COLCRYS for treatment of a gout flare is 1.2 mg (2 tablets) at the first sign of the flare followed by 0.6 mg (1 tablet) one hour later. Higher doses have not been found to be more effective. The maximum recommended dose for treatment of gout flares is 1.8 mg over a 1 hour period. COLCRYS may be administered for treatment of a gout flare during prophylaxis at doses not to exceed 1.2 mg (2 tablets) at the first sign of the flare followed by 0.6 mg (1 tablet) one hour later. Wait 12 hours and then resume the prophylactic dose.

2.2 FMF

The recommended dosage of COLCRYS for FMF in adults is 1.2 mg to 2.4 mg daily.

COLCRYS should be increased as needed to control disease and as tolerated in increments of 0.3 mg/day to a maximum recommended daily dose. If intolerable side effects develop, the dose should be decreased in increments of 0.3 mg/day. The total daily COLCRYS dose may be administered in one to two divided doses.

2.3 Recommended Pediatric Dosage

Prophylaxis and Treatment of Gout Flares:

COLCRYS is not recommended for pediatric use in prophylaxis or treatment of gout flares.

FMF:

The recommended dosage of COLCRYS for FMF in pediatric patients 4 years of age and older is based on age. The following daily doses may be given as a single or divided dose twice daily:

  • Children 4 – 6 years: 0.3 mg to 1.8 mg daily
  • Children 6 – 12 years: 0.9 mg to 1.8 mg daily
  • Adolescents older than 12 years: 1.2 mg to 2.4 mg daily

2.4 Dose Modification for Co-administration of Interacting Drugs

Concomitant Therapy:

Co-administration of COLCRYS with drugs known to inhibit CYP3A4 and/or P-glycoprotein (P-gp) increases the risk of colchicine-induced toxic effects (Table 1). If patients are taking or have recently completed treatment with drugs listed in Table 1 within the prior 14 days, the dose adjustments are as shown on the table below [see DRUG INTERACTIONS (7) ].

Table 1 COLCRYS Dose Adjustment for Co-administration with Interacting Drugs if no Alternative Available *
Strong CYP3A4 Inhibitors
*
For magnitude of effect on colchicine plasma concentrations [see Pharmacokinetics (12.3) ]
Patients with renal or hepatic impairment should not be given COLCRYS in conjunction with strong CYP3A4 or P-gp inhibitors [see CONTRAINDICATIONS (4) ].
When used in combination with Ritonavir, see dosing recommendations for strong CYP3A4 inhibitors [see CONTRAINDICATIONS (4) ].
Drug Noted or Anticipated Outcome Gout Flares FMF
Prophylaxis of Gout Flares Treatment of Gout Flares
Original Intended Dosage Adjusted Dose Original Intended Dosage Adjusted Dose Original Intended Dosage Adjusted Dose
AtazanavirClarithromycinDarunavir/Ritonavir IndinavirItraconazole KetoconazoleLopinavir/Ritonavir NefazodoneNelfinavirRitonavirSaquinavir TelithromycinTipranavir/Ritonavir Significant increase in colchicine plasma levels *; fatal colchicine toxicity has been reported with clarithromycin, a strong CYP3A4 inhibitor. Similarly, significant increase in colchicine plasma levels is anticipated with other strong CYP3A4 inhibitors. 0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day 1.2 mg(2 tablets) followed by 0.6 mg(1 tablet)1 hour later. Dose to be repeated no earlier than3 days. 0.6 mg(1 tablet) ×1 dose, followed by 0.3 mg(1/2 tablet)1 hour later. Dose to be repeated no earlier than3 days. Maximum daily dose of 1.2 – 2.4 mg Maximum daily dose of 0.6 mg (may be given as0.3 mg twice a day)
Moderate CYP3A4 Inhibitors
Drug Noted or Anticipated Outcome Gout Flares FMF
Prophylaxis of Gout Flares Treatment of Gout Flares
Original Intended Dosage Adjusted Dose Original Intended Dosage Adjusted Dose Original Intended Dosage Adjusted Dose
Amprenavir AprepitantDiltiazem Erythromycin Fluconazole Fosamprenavir (pro-drug ofAmprenavir)Grapefruit Juice Verapamil Significant increase in colchicine plasma concentration is anticipated. Neuromuscular toxicity has been reported with diltiazem and verapamil interactions. 0.6 mg twice a day0.6 mg once a day 0.3 mg twice a day or 0.6 mg once a day0.3 mg once a day 1.2 mg(2 tablets) followed by 0.6 mg(1 tablet)1 hour later. Dose to be repeated no earlier than3 days. 1.2 mg(2 tablets) ×1 dose. Dose to be repeated no earlier than3 days. Maximum daily dose of 1.2 – 2.4 mg. Maximum daily dose of 1.2 mg (may be given as0.6 mg twice a day)
P-gp Inhibitors
Drug Noted or Anticipated Outcome Gout Flares FMF
Prophylaxis of Gout Flares Treatment of Gout Flares
Original Intended Dosage Adjusted Dose Original Intended Dosage Adjusted Dose Original Intended Dosage Adjusted Dose
Cyclosporine Ranolazine Significant increase in colchicine plasma levels *; fatal colchicine toxicity has been reported with cyclosporine, aP-gp inhibitor. Similarly, significant increase in colchicine plasma levels is anticipated with other P-gp inhibitors. 0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day 1.2 mg(2 tablets) followed by 0.6 mg(1 tablet)1 hour later. Dose to be repeated no earlier than3 days. 0.6 mg(1 tablet) ×1 dose. Dose to be repeated no earlier than3 days. Maximum daily dose of 1.2 – 2.4 mg Maximum daily dose of 0.6 mg (may be given as0.3 mg twice a day)
Table 2 COLCRYS Dose Adjustment for Co-administration with Protease Inhibitors
Protease Inhibitor Clinical Comment w/Colchicine – Prophylaxis of Gout Flares w/Colchicine –Treatment of Gout Flares w/Colchicine – Treatment of FMF
Atazanavir sulfate(Reyataz) Patients with renal or hepatic impairment should not be given colchicine with Reyataz. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day
Darunavir (Prezista) Patients with renal or hepatic impairment should not be given colchicine with Prezista/ritonavir. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day
Fosamprenavir (Lexiva) with Ritonavir Patients with renal or hepatic impairment should not be given colchicine with Lexiva/ritonavir. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day
Fosamprenavir (Lexiva) Patients with renal or hepatic impairment should not be given colchicine with Lexiva/ritonavir. Original dose Adjusted dose 1.2 mg (2 tablets) × 1 dose. Dose to be repeated no earlier than 3 days. Maximum daily dose of 1.2 mg (may be given as 0.6 mg twice a day)
0.6 mg twice a day 0.3 mg twice a day or 0.6 mg once a day
0.6 mg once a day 0.3 mg once a day
Indinavir (Crixivan) Patients with renal or hepatic impairment should not be given colchicine with Crixivan. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day
Lopinavir/Ritonavir (Kaletra) Patients with renal or hepatic impairment should not be given colchicine with Kaletra. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day
Nelfinavir mesylate (Viracept) Patients with renal or hepatic impairment should not be given colchicine with Viracept. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day
Ritonavir (Norvir) Patients with renal or hepatic impairment should not be given colchicine with Norvir. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day
Saquinavir mesylate (Invirase) Patients with renal or hepatic impairment should not be given colchicine with Invirase/ritonavir. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day
Tipranavir (Aptivus) Patients with renal or hepatic impairment should not be given colchicine with Aptivus/ritonavir. Original dose Adjusted dose 0.6 mg (1 tablet) × 1 dose, followed by 0.3 mg (1/2 tablet) 1 hour later. Dose to be repeated no earlier than 3 days. Maximum daily dose of 0.6 mg (may be given as 0.3 mg twice a day)
0.6 mg twice a day0.6 mg once a day 0.3 mg once a day0.3 mg once every other day

Treatment of gout flares with COLCRYS is not recommended in patients receiving prophylactic dose of COLCRYS and CYP3A4 inhibitors.

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