Byooviz

Description

BYOOVIZ (ranibizumab-nuna) is a recombinant humanized IgG1 kappa isotype monoclonal antibody fragment designed for intraocular use. Ranibizumab-nuna binds to and inhibits the biologic activity of human vascular endothelial growth factor A (VEGF-A). Ranibizumab-nuna, which lacks an Fc region, has a molecular weight of approximately 48 kilodaltons and is produced by an E. coli expression system in a nutrient medium containing the antibiotic tetracycline. Tetracycline is not detectable in the final product.

BYOOVIZ (ranibizumab-nuna) injection is a sterile, clear to slightly opalescent and colorless to pale yellow solution in a single-dose glass vial for intravitreal use. BYOOVIZ is supplied as a preservative-free, sterile solution in a single-dose container designed to deliver 0.05 mL of 10 mg/mL BYOOVIZ (0.5 mg dose vial) aqueous solution with 10 mM histidine HCl, 10% α,α-trehalose dihydrate, 0.01% polysorbate 20, pH 5.5.

Indications

BYOOVIZ is indicated for the treatment of patients with:

Neovascular (Wet) Age-Related Macular Degeneration (AMD)

Macular Edema Following Retinal Vein Occlusion(RVO)

Myopic Choroidal Neovascularization (mCNV)

Dosage And Admintisration

General Dosing Information

FOR OPHTHALMIC INTRAVITREAL INJECTION.

Vials: A 5-micron sterile filter needle (19-gauge x 1-½ inch), a 1-mL Luer lock syringe and a 30- gauge x ½ inch sterile injection needle are needed but not included.

Neovascular (Wet) Age-Related Macular Degeneration (AMD)

BYOOVIZ 0.5 mg (0.05 mL of 10 mg/mL solution) is recommended to be administered by intravitreal injection once a month (approximately 28 days).

Although not as effective, patients may be treated with 3 monthly doses followed by less frequent dosing with regular assessment. In the 9 months after three initial monthly doses, less frequent dosing with 4-5 doses onaverage is expected to maintain visual acuity while monthly dosing may be expected to result in an additional average 1-2 letter gain. Patients should be assessed regularly [see Clinical Studies].

Although not as effective, patients may also be treated with one dose every 3 months after 4 monthly doses. Compared with continued monthly dosing, dosing every 3 months over the next 9 months will lead to an approximate 5-letter (1-line) loss of visual acuity benefit, on average. Patients should be assessed regularly [see Clinical Studies].

Macular Edema Following Retinal Vein Occlusion (RVO)

BYOOVIZ 0.5 mg (0.05 mL of 10 mg/mL solution) is recommended to be administered by intravitreal injection once a month (approximately 28 days).

In Studies RVO-1 and RVO-2, patients received monthly injections of ranibizumab for 6 months. In spite of being guided by optical coherence tomography and visual acuity re-treatment criteria, patients who were then not treated at Month 6 experienced on average, a loss of visual acuity at Month 7, whereas patients who were treated at Month 6 did not. Patients should be treated monthly [see Clinical Studies].

Myopic Choroidal Neovascularization (mCNV)

BYOOVIZ 0.5 mg (0.05 mL of 10 mg/mL BYOOVIZ solution) is recommended to be initially administered by intravitreal injection once a month (approximately 28 days) for up to 3 months. Patients may be retreated if needed [see Clinical Studies].

Preparation For Administration

Vial

Using aseptic technique, all of the BYOOVIZ vial contents are withdrawn through a 5-micron (19- gauge x 1-½ inch), sterile filter needle attached to a 1 mL syringe (not included). The filter needle should be discarded after withdrawal of the vial contents and should not be used for intravitreal injection. The filter needle should be replaced with a sterile 30-gauge x ½ inch needle for the intravitreal injection.

Use aseptic technique to carry out the following preparation steps:

1. Prepare for intravitreal injection with the following medical devices for single use (not included):

• a 5-micron sterile filter needle (19-gauge x 1-½ inch)
• a 1 mL sterile Luer lock syringe (with marking to measure 0.05 mL)
• a sterile injection needle (30-gauge x ½-inch)

2. Before withdrawal, disinfect the outer part of the rubber stopper of the vial.

3. Place a 5-micron filter needle (19-gauge x 1-½ inch) onto a 1 mL Luer lock syringe using aseptic technique.

4. Push the filter needle into the center of the vial stopper until the needle touches the bottom edge of the vial.

5. Withdraw all the liquid fromthe vial, keeping the vial in an upright position, slightly inclined to ease complete withdrawal.

 

 

6. Ensure that the plunger rod is drawn sufficiently backwhen emptying the vial in order to completely empty the filter needle.

 

 

7. The filter needle should be discarded after withdrawal of the vial contents and must not be used for the intravitreal injection.

8. Attach a 30-gauge x ½-inch sterile injection needle firmly onto the syringe by screwing it tightly onto the Luer lock. Carefully remove the needle cap by pulling it straight off. Do not wipe the needle at any time.

 

 

9. Hold the syringe with the needle pointing up. If there are any air bubbles, gently tap the syringe with your finger until the bubbles rise to the top.

 

 

10. Hold the syringe at eye level, and carefully push the plunger rod until the plunger tip is aligned with the line that marks 0.05 mL on the syringe.

 

 

Administration

The intravitreal injection procedure should be carried out under controlled aseptic conditions, which include the use of sterile gloves, a sterile drape, and a sterile eyelid speculum (or equivalent).

Adequate anesthesia and a broad-spectrum microbicide should be given prior to the injection.

Prior to and 30 minutes following the intravitreal injection, patients should be monitored for elevation in intraocular pressure using tonometry. Monitoring may also consist of a check for perfusion of the optic nerve head immediately after the injection [see WARNINGS AND PRECAUTIONS]. Patients should also be monitored for and instructed to report any symptoms suggestive of endophthalmitis without delay following the injection [see WARNINGS AND PRECAUTIONS].

Each vial should only be used for the treatment of a single eye. If the contralateral eye requires treatment, a new vial should be used and the sterile field, syringe, gloves, drapes, eyelid speculum, filter needle (vial only), and injection needles should be changed before BYOOVIZ is administered to the other eye.

No special dosage modification is required for any of the populations that have been studied (e.g., gender, elderly).

How Supplied

Dosage Forms And Strengths

Single-dose glass vial designed to provide 0.05 mL for intravitreal injection. Clear to slightly opalescent and colorless to pale yellow, 10 mg/mL solution.

Storage And Handling

Each BYOOVIZ 0.5 mg carton (NDC 64406-019-01) contains a single-dose, 2-mL glass vial designed to deliver 0.05 mL of 10 mg/mL ranibizumab-nuna solution that is clear to slightly opalescent and colorless to pale yellow.

EACH CARTON IS FOR SINGLE-EYE USE ONLY.

BYOOVIZ should be refrigerated at 2°C to 8°C (36°F to 46°F). DO NOT FREEZE. Do not use beyond the date stamped on the label. Protect BYOOVIZ vials from light and store in the original carton until time of use.

Manufactured by: Samsung Bioepis Co., Ltd., 76, Songdogyoyuk-ro, Yeonsu-gu, Incheon, 21987. Revised: Apr 2022

Side Effects

The following adverse reactions are discussed in greater detail in other sections of the label:

• Endophthalmitis and Retinal Detachments [see WARNINGS AND PRECAUTIONS]
• Increases in Intraocular Pressure [see WARNINGS AND PRECAUTIONS]
• Thromboembolic Events [see WARNINGS AND PRECAUTIONS]

Injection Procedure

Serious adverse reactions related to the injection procedure have occurred in < 0.1% of intravitreal injections, including endophthalmitis [see WARNINGS AND PRECAUTIONS], rhegmatogenous retinal detachment, and iatrogenic traumatic cataract.

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 the same or another drug and may not reflect the rates observed in practice.

The data below reflect exposure to 0.5 mg ranibizumab in 440 patients with neovascular AMD in Studies AMD-1, AMD-2, and AMD-3; in 259 patients with macular edema following RVO.

Safety data observed in 224 patients with mCNV, as well as Studies AMD-4 and D-3, were consistent with these results. On average, the rates and types of adverse reactions in patients were not significantly affected by dosing regimen.

Ocular Reactions

Table 1 shows frequently reported ocular adverse reactions in ranibizumab-treated patients compared with the control group.

Table 1 : Ocular Reactions in the AMD, and RVO Studies

Adverse Reaction	AMD 2-year		AMD 1-year		RVO 6-month
	Ranibizumab 0.5 mg n=379	Control n=379	Ranibizumab 0.5 mg n=440	Control n=441	Ranibizumab 0.5 mg n=259	Control n=260
Conjunctival hemorrhage	74%	60%	64%	50%	48%	37%
Eye pain	35%	30%	26%	20%	17%	12%
Vitreous floaters	27%	8%	19%	5%	7%	2%
Intraocular pressure increased	24%	7%	17%	5%	7%	2%
Vitreous detachment	21%	19%	15%	15%	4%	2%
Intraocular inflammation	18%	8%	13%	7%	1%	3%
Cataract	17%	14%	11%	9%	2%	2%
Foreign body sensation in eyes	16%	14%	13%	10%	7%	5%
Eye irritation	15%	15%	13%	12%	7%	6%
Lacrimation increased	14%	12%	8%	8%	2%	3%
Blepharitis	12%	8%	8%	5%	0%	1%
Dry eye	12%	7%	7%	7%	3%	3%
Visual disturbance or vision blurred	18%	15%	13%	10%	5%	3%
Eye pruritis	12%	11%	9%	7%	1%	2%
Ocular hyperemia	11%	8%	7%	4%	5%	3%
Retinal disorder	10%	7%	8%	4%	2%	1%
Maculopathy	9%	9%	6%	6%	11%	7%
Retinal degeneration	8%	6%	5%	3%	1%	0%
Ocular discomfort	7%	4%	5%	2%	2%	2%
Conjunctival hyperemia	7%	6%	5%	4%	0%	0%
Posterior capsule opacification	7%	4%	2%	2%	0%	1%
Injection site hemorrhage	5%	2%	3%	1%	0%	0%

 

Non-Ocular Reactions

Non-ocular adverse reactions with an incidence of ≥ 5% in patients receiving ranibizumab for AMD, and/or RVO and which occurred at a ≥ 1% higher frequency in patients treated with ranibizumab compared to control are shown in Table 2. Though less common, wound healing complications were also observed in some studies.

Table 2 : Non-Ocular Reactions in the AMD, and RVO Studies

Adverse Reaction	AMD 2-year		AMD 1-year		RVO 6-month
	Ranibizumab 0.5 mg n=379	Control n=379	Ranibizumab 0.5 mg n=440	Control n=441	Ranibizumab 0.5 mg n=259	Control n=260
Nasopharyngitis	16%	13%	8%	9%	5%	4%
Anemia	8%	7%	4%	3%	1%	1%
Nausea	9%	6%	5%	5%	1%	2%
Cough	9%	8%	5%	4%	1%	2%
Constipation	5%	7%	3%	4%	0%	1%
Seasonal allergy	4%	4%	2%	2%	0%	2%
Hypercholesterolemia	5%	5%	3%	2%	1%	1%
Influenza	7%	5%	3%	2%	3%	2%
Renal failure	1%	1%	0%	0%	0%	0%
Upper respiratory tract infection	9%	8%	5%	5%	2%	2%
Gastroesophageal reflux disease	4%	6%	3%	4%	1%	0%
Headache	12%	9%	6%	5%	3%	3%
Edema peripheral	3%	5%	2%	3%	0%	1%
Renal failure chronic	0%	1%	0%	0%	0%	0%
Neuropathy peripheral	1%	1%	1%	0%	0%	0%
Sinusitis	8%	7%	5%	5%	3%	2%
Bronchitis	11%	9%	6%	5%	0%	2%
Atrial fibrillation	5%	4%	2%	2%	1%	0%
Arthralgia	11%	9%	5%	5%	2%	1%
Chronic obstructive pulmonary disease	6%	3%	3%	1%	0%	0%
Wound healing complications	1%	1%	1%	0%	0%	0%

 

Immunogenicity

As with all therapeutic proteins, there is potential for immunogenicity. The detection of antibody formation is highly dependent on the sensitivity and specificity of the assay. Additionally, the observed incidence of antibody (including neutralizing antibody) positivity in an assay may be influenced by several factors including assay methodology, sample handling, timing of sample collection, concomitant medications, and underlying disease. For these reasons, comparison of the incidence of antibodies in the studies described below with the incidence of antibodies in other studies or to other ranibizumab products may be misleading.

The pre-treatment incidence of immunoreactivity to ranibizumab was 0%-5% across treatment groups. After monthly dosing with ranibizumab for 6 to 24 months, antibodies to ranibizumab were detected in approximately 1%-9% of patients.

The clinical significance of immunoreactivity to ranibizumab products are unclear at this time. Among neovascular AMD patients with the highest levels of immunoreactivity, some were noted to have iritis or vitritis.

Intraocular inflammation was not observed in patients with RVO patients with the highest levels of immunoreactivity.

Postmarketing Experience

The following adverse reactions have been identified during postapproval use of ranibizumab products. 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.

• Ocular: Tear of retinal pigment epithelium among patients with neovascular AMD

Drug Interactions

Drug interaction studies have not been conducted with ranibizumab products.

Ranibizumab intravitreal injection has been used adjunctively with Photodynamic Therapy (PDT). Twelve of 105 (11%) patients with neovascular AMD developed serious intraocular inflammation; in 10 of the 12 patients, this occurred when ranibizumab was administered 7 days (™ 2 days) after PDT.

Overdose

More concentrated doses as high as 2 mg ranibizumab in 0.05 mL have been administered to patients. No additional unexpected adverse reactions were seen.

Contraindications

Ocular Or Periocular Infections

BYOOVIZ is contraindicated in patients with ocular or periocular infections.

Hypersensitivity

BYOOVIZ is contraindicated in patients with known hypersensitivity to ranibizumab products or any of the excipients in BYOOVIZ. Hypersensitivity reactions may manifest as severe intraocular inflammation.

Mechanism Of Action

Ranibizumab products bind to the receptor binding site of active forms of VEGF-A, including the biologically active, cleaved form of this molecule, VEGF110. VEGF-A has been shown to cause neovascularization and leakage in models of ocular angiogenesis and vascular occlusion and is thought to contribute to pathophysiology of neovascular AMD, mCNV, and macular edema following RVO. The binding of ranibizumab products to VEGF-A prevents the interaction of VEGF-A with its receptors (VEGFR1 and VEGFR2) on the surface of endothelial cells, reducing endothelial cell proliferation, vascular leakage, and new blood vessel formation.

Pharmacodynamics

Increased retinal thickness (i.e., center point thickness (CPT) or central foveal thickness (CFT)), as assessed by optical coherence tomography (OCT) is associated with neovascular AMD, mCNV, and macular edema following RVO. Leakage from choroidal neovascularization (CNV) as assessed by fluorescein angiography (FA) is associated with neovascular AMD and mCNV.

Neovascular (Wet) Age-Related Macular Degeneration

In Study AMD-3, CPT was assessed by time domain (TD)-OCT in 118 of 184 patients. TD-OCT measurements were collected at baseline, Months 1, 2, 3, 5, 8, and 12. In patients treated with ranibizumab, CPT decreased, on average, more than in the sham group from baseline through Month 12. CPT decreased by Month 1 and decreased further at Month 3, on average. In this study, CPT data did not provide information useful in influencing treatment decisions [see Clinical Studies].

In Study AMD-4, CFT was assessed by spectral domain (SD)-OCT in all patients; on average, CFT reductions were observed beginning at Day 7 following the first ranibizumab injection through Month 24. CFT data did not provide information capable of predicting final visual acuity results [see Clinical Studies].

In patients treated with ranibizumab, the area of CNV leakage, on average, decreased by Month 3 as assessed by FA. The area of CNV leakage for an individual patient was not correlated with visual acuity.

Macular Edema Following Retinal Vein Occlusion

On average, CPT reductions were observed in Studies RVO-1 and RVO-2 beginning at Day 7 following the first ranibizumab injection through Month 6. CPT was not evaluated as a means to guide treatment decisions [see Clinical Studies].

Myopic Choroidal Neovascularization

On average CFT reductions were observed as early as Month 1, and were greater in the ranibizumab groups compared to PDT [see Clinical Studies].

Pharmacokinetics

In patients with neovascular AMD, following monthly intravitreal administration of 0.5 mg ranibizumab, mean (™SD) maximum ranibizumab serum concentrations were 1.7 (™ 1.1) ng/mL. These concentrations were below the concentration range of ranibizumab (11 to 27 ng/mL) that was necessary to inhibit the biological activity of VEGF-A by 50%, as measured in an in vitro cellular proliferation assay (based on human umbilical vein endothelial cells (HUVEC)). No significant change from baseline was observed in the mean plasma VEGF concentrations following three monthly 0.5 mg intravitreal injections. The maximum observed serum concentration was dose proportional over the dose range of 0.05 to 2 mg/eye. Serum ranibizumab concentrations in RVO patients were similar to those observed in neovascular AMD patients.

Based on a population pharmacokinetic analysis of patients with neovascular AMD, maximum serum concentrations are predicted to be reached at approximately 1 day after monthly intravitreal administration of ranibizumab 0.5 mg/eye. Based on the disappearance of ranibizumab from serum, the estimated average vitreous elimination half-life was approximately 9 days. Steady-state minimum concentration is predicted to be 0.22 ng/mL with a monthly dosing regimen. In humans, serum ranibizumab concentrations are predicted to be approximately 90,000-fold lower than vitreal concentrations.

In pharmacokinetic covariate analyses, 48% (520/1091) of patients had renal impairment (35% mild, 11% moderate, and 2% severe). Because the increases in plasma ranibizumab exposures in these patients are not considered clinically significant, no dosage adjustment is needed based on renal impairment status.

Clinical Studies

Unless otherwise noted, visual acuity was measured at a distance of 4 meters.

Neovascular (Wet) Age-Related Macular Degeneration (AMD)

The safety and efficacy of ranibizumab were assessed in three randomized, double-masked, sham- or active-controlled studies in patients with neovascular AMD. A total of 1323 patients (ranibizumab 879, control 444) were enrolled in the three studies.

Studies AMD-1 And AMD-2

In Study AMD-1, patients with minimally classic or occult (without classic) CNV lesions received monthly ranibizumab 0.3 mg or 0.5 mg intravitreal injections or monthly sham injections. Data are available through Month 24. Patients treated with ranibizumab in Study AMD-1 received a mean of 22 total treatments out of a possible 24 from Day 0 to Month 24.

In Study AMD-2, patients with predominantly classic CNV lesions received one of the following: 1) monthly ranibizumab 0.3 mg intravitreal injections and sham PDT; 2) monthly ranibizumab 0.5 mg intravitreal injections and sham PDT; or 3) sham intravitreal injections and active PDT. Sham PDT (or active PDT) was given with the initial ranibizumab (or sham) intravitreal injection and every 3 months thereafter if FA showed persistence or recurrence of leakage. Data are available through Month 24. Patients treated with ranibizumab in Study AMD-2 received a mean of 21 total treatments out of a possible 24 from Day 0 through Month 24.

In both studies, the primary efficacy endpoint was the proportion of patients who maintained vision, defined as losing fewer than 15 letters of visual acuity at 12 months compared with baseline. Almost all ranibizumab-treated patients (approximately 95%) maintained their visual acuity. Among ranibizumab-treated patients, 31% to 37% experienced a clinically significant improvement in vision, defined as gaining 15 or more letters at 12 months. The size of the lesion did not significantly affect the results. Detailed results are shown in Table 3, Table 4, and Figure 1 below.

Table 3 : Visual Acuity Outcomes at Month 12 and Month 24 in Study AMD-1

Outcome Measure	Month	Sham n=229	Ranibizumab 0.5 mg n=230	Estimated Difference (95% CI)*
Loss of <15 letters in	12	60%	91%	30% (23%, 37%)
visual acuity (%)	24	56%	89%	33% (26%, 41%)
Gain of ≥15 letters in	12	6%	31%	25% (18%, 31%)
visual acuity (%)	24	4%	30%	25% (18%, 31%)
Mean change in visual	12	-11.0 (17.9)	+6.3 (14.1)	17.1 (14.2, 20.0)
acuity (letters) (SD)	24	-15.0 (19.7)	+5.5 (15.9)	20.1 (16.9, 23.4)
*Adjusted estimate based on the stratified model; p < 0.01

 

Table 4 : Visual Acuity Outcomes at Month 12 and Month 24 in Study AMD-2

Outcome Measure	Month	PDT n=141	Ranibizumab 0.5 mg n=139	Estimated Difference (95% CI)*
Loss of <15 letters in visual acuity (%)	12	66%	98%	32% (24%, 40%)
	24	65%	93%	28% (19%, 37%)
Gain of ≥15 letters in visual acuity (%)	12	11%	37%	26% (17%, 36%)
	24	9%	37%	29% (20%, 39%)
Mean change in visual acuity (letters) (SD)	12	-8.5 (17.8)	+11.0 (15.8)	19.8 (15.9, 23.7)
	24	-9.1 (18.7)	+10.9 (17.3)	20 (16.0, 24.4)
*Adjusted estimate based on the stratified model; p < 0.01

 

Figure 1: Mean Change in Visual Acuity* from Baseline to Month 24 in Study AMD-1 and Study AMD-2

 

*Visual acuity was measured at a distance of 2 meters

Patients in the group treated with ranibizumab had minimal observable CNV lesion growth, on average. At Month 12, the mean change in the total area of the CNV lesion was 0.1-0.3 disc areas (DA) for ranibizumab versus 2.3-2.6 DA for the control arms. At Month 24, the mean change in the total area of the CNV lesion was 0.3-0.4 DA for ranibizumab versus 2.9-3.1 DA for the control arms.

Study AMD-3

Study AMD-3 was a randomized, double-masked, sham-controlled, 2-year study designed to assess the safety and efficacy of ranibizumab in patients with neovascular AMD (with or without a classic CNV component). Data are available through Month 12. Patients received ranibizumab 0.3 mg or 0.5 mg intravitreal injections or sham injections once a month for three consecutive doses, followed by a dose administered once every 3 months for 9 months. A total of 184 patients were enrolled in this study (ranibizumab 0.3 mg, 60; ranibizumab 0.5 mg, 61; sham, 63); 171 (93%) completed 12 months of this study. Patients treated with ranibizumab in Study AMD-3 received a mean of six total treatments out of a possible 6 from Day 0 through Month 12.

In Study AMD-3, the primary efficacy endpoint was the mean change in visual acuity at 12 months compared with baseline (see Figure 2). After an initial increase in visual acuity (following monthly dosing), on average, patients dosed once every 3 months with ranibizumab lost visual acuity, returning to baseline at Month 12. In Study AMD-3, almost all ranibizumab-treated patients (90%) lost fewer than 15 letters of visual acuity at Month 12.

Figure 2: Mean Change in Visual Acuity from Baseline to Month 12 in Study AMD-3

 

Study AMD-4

Study AMD-4 was a randomized, double-masked, active treatment-controlled, two-year study designed to assess the safety and efficacy of ranibizumab 0.5 mg administered monthly or less frequently than monthly in patients with neovascular AMD. Patients randomized to the ranibizumab 0.5 mg less frequent dosing arm received three monthly doses followed by monthly assessments where patients were eligible to receive ranibizumab injections guided by pre-specified re-treatment criteria. A total of 550 patients were enrolled in the two 0.5 mg treatment groups with 467 (85%) completing through Month 24. Data are available through Month 24.

Clinical results at Month 24 remain similar to that observed at Month 12.

From Month 3 through Month 24, visual acuity decreased by 0.3 letters in the 0.5 mg less frequent dosing arm and increased by 0.7 letters in the 0.5 mg monthly arm (see Figure 3). Over this 21-month period, patients in the 0.5 mg less frequent dosing and the 0.5 mg monthly arms averaged 10.3 and 18.5 injections, respectively. The distribution of injections received in the less frequent dosing arm is shown in Figure 4.

Figure 3: Mean Change in Visual Acuity from Baseline to Month 24 in Study AMD-4

 

Figure 4 : Distribution of Injections from Month 3 to Month 24 in the Less Frequent Dosing Arm in Study AMD-4

 

Macular Edema Following Retinal Vein Occlusion (RVO)

The safety and efficacy of ranibizumab were assessed in two randomized, double-masked, 1-year studies in patients with macular edema following RVO. Sham controlled data are available through Month 6. Patient age ranged from 20 to 91 years, with a mean age of 67 years. A total of 789 patients (ranibizumab 0.3 mg, 266 patients; ranibizumab 0.5 mg, 261 patients; sham, 262 patients) were enrolled, with 739 (94%) patients completing through Month 6. All patients completing Month 6 were eligible to receive ranibizumab injections guided by pre-specified re-treatment criteria until the end of the studies at Month 12.

In Study RVO-1, patients with macular edema following branch or hemi-RVO, received monthly ranibizumab 0.3 mg or 0.5 mg intravitreal injections or monthly sham injections for 6 months. All patients were eligible for macular focal/grid laser treatment beginning at Month 3 of the 6-month treatment period. Macular focal/grid laser treatment was given to 26 of 131 (20%) patients treated with 0.5 mg ranibizumab and 71 of 132 (54%) patients treated with sham.

In Study RVO-2, patients with macular edema following central RVO received monthly ranibizumab 0.3 mg or 0.5 mg intravitreal injections or monthly sham injections for 6 months.

At Month 6, after monthly treatment with 0.5 mg ranibizumab, the following clinical results were observed:

Table 5 : Visual Acuity Outcomes at Month 6 in Study RVO-1 and Study RVO-2

Outcome Measure	Study *	Sham	Ranibizumab 0.5 mg	Estimated Difference (95% CI) †
Gain of ≥15 letters in visual acuity (%)	RVO-1	29%	61%	31% (20%, 43%)
Gain of ≥15 letters in visual acuity (%)	RVO-2	17%	48%	30% (20%, 41%)
*RVO- 1: Sham, n=131; Ranibizumab 0.5 mg, n=132, RVO-2: Sham, n=130; Ranibizumab 0.5 mg, n=130 †Adjusted estimate based on stratified model; p < 0.01

 

Figure 5: Mean Change in Visual Acuity from Baseline to Month 6 in Study RVO-1 and Study RVO-2

 

Myopic Choroidal Neovascularization (mCNV)

The efficacy and safety data of ranibizumab were assessed in a randomized, double-masked, active-controlled 3- month study in patients with mCNV. Patients age ranged from 18 to 87 years, with a mean age of 55 years. A total of 276 patients (222 patients in the ranibizumab treated Groups I and II; 55 patients in the active control PDT group) were enrolled. Patients randomized to the ranibizumab groups received injections guided by pre- specified re-treatment criteria. The retreatment criteria in Group I were vision stability guided, with the Best Corrected Visual Acuity (BCVA) at the current visit being assessed for changes compared with the two preceding monthly BCVA values. The retreatment criteria in Group II were disease activity guided, based on BCVA decrease from the previous visit that was attributable to intra- or sub-retinal fluid or active leakage secondary to mCNV as assessed by OCT and/or FA compared to the previous monthly visit.

Visual gains for the two ranibizumab 0.5 mg treatment arms were superior to the active control arm. The mean change in BCVA from baseline at Month 3 was: +12.1 letters for Group I, +12.5 letters for Group II and +1.4 letters for the PDT group. (Figure 6; Table 6). Efficacy was comparable between Group I and Group II.

Table 6 : Mean Change in Visual Acuity and Proportion of Patients who Gained ≥15 letters from Baseline at Month 3

Study Arms	Mean change in BCVA from baseline (Letters)		Proportion of patients who gained ≥15 letters from baseline
	Mean (SD)	Estimated Difference (95% CI)*	Percent	Estimated Difference (95% CI)*
Group I	12.1 (10.2)	10.9 (7.6, 14.3)	37.1	22.6 (9.5, 35.7)
Group II	12.5 (8.8)	11.4 (8.3, 14.5)	40.5	26.0 (13.1, 38.9)
Control (PDT)	1.4 (12.2)		14.5
*Adjusted estimates based on stratified models; p < 0.01

 

Figure 6: Mean Change in Visual Acuity from Baseline to Month 3 in mCNV Study

 

The proportion of patients who gained ≥15 letters (ETDRS) by Month 3 was 37.1% and 40.5% for ranibizumab Groups I and II, respectively and 14.5% for the PDT group. The mean number of injections between baseline and Month 3 was 2.5 and 1.8 for Groups I and II, respectively. 41% of patients received 1, 2 or 3 injections between baseline and Month 3 with no injections afterwards.