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. 2017 Jan 10;140(3):669–683. doi: 10.1093/brain/aww342

Table 1.

Dravet Syndrome patients treated with Belviq® (lorcaserin) show reduced seizure frequency

Patient 1 2 3 4 5
Age (years) 10 18 10 7 14
Weight (kg) 28 46 23 24 35
Dose (mg/kg/day) 0.25 0.27 0.19 0.32 0.31
Prior treatments CLZ CZP KD LMT LVT PRM OXC RUF TPX VPA CBZ CBD CLZ CLB CZP FBM LMT LVT PRM PHB TPM VPA CC KD VNS ESM FBM LMT LVT MSM VPA VMP ZNM KD CZP ESM LVT LZP STP TPM ZNM KD CBZ FBM GBP LCM LMT LVT OXC PHB PRED RUF STP VNS VPM ZNM KD
Concurrent AEDs CLB STP VPA CZP STP ZNM KD TPM VPA BRO CBD CLB VPA CLB TPX VPA
Prior seizure frequency FS: 50/day MS: numerous daily MS: daily AS: 12/h MS: constant throughout the day
GTC clusters: 1/ month FS + GTC: 10/ month (requires rescue medications) GTC seizures: 100/month (clusters 7–10) FS: 3–5 / week GTC seizures: 1–2/ week
NCS: 1/ month
Seizure frequency after treatment: first 3 months Seizure free initial 3 weeks, cluster of seizures then again seizure free for 2 weeks Seizure free for 2weeks GTC seizures: 46/ month (GTC clusters of 1–3 seizures) 1–2 seizure free days/ week MS: initially reduced in the morning then increases to constant throughout the late afternoon
Cluster of seizures once a month with (FS, GTC) MS: occasional MS: daily AS or FS: 3/ month GTC: 1–2/ week
FS + GTC: 1/month (no rescue medications) GTC: 1–2 /day
NCS: 1/ month
Seizure frequency after treatment: following first 3 months Gradual increase in seizures with return to baseline frequency MS: clusters 1–2/ week Seizures gradually decreased to 16/ month with some seizure free nights then seizures increased to baseline Gradual increase in seizures, seizure free days stopped 9 months after treatment Unchanged, Belviq® tapered off with no change in seizure frequency
FS + GTC: 1–2/ month and (no rescue medica tions required) No increase in seizure when medication stopped
Duration treat ment (months) 12 months, still taking 12 months, still taking 14 months 13 months 9 months
Restarted due to increased seizures treated for 2 months, stopped to participate in other drug study
Side effects none none Vomiting and decreased appetite Decreased appetite Decreased appetite

AS = atonic seizures; BRO = bromides; CBD = cannabidiol; CBZ = carbamazepine; CLB = clobazam; CZP = clonazepam; CLZ = clorazepate; CC = corpus callosotomy; ESM = ethosuximide; FBM = felbamate; FS = focal seizures; GBP = gabapentin; GTC = generalized tonic clonic seizures; KD = ketongenic diet; LCM = lacosamide; LMT = lamotrigine; LVT = levitiracetam; LZP = lorazepam; MS = myoclonic seizures; MSM = methosuximide; NCS = non-convulsive status; OXC = oxcarbazipine; PHB = phenobarbital; PRM = primodone; PRED = predinisone; RFM = rufinamide; STP = stiripentol; TPM = topiramate; VPA = valproic acid; VNS = vagus nerve stimulator; VPM = verapamil; ZNM = zonisamide.