Skip to main content
. 2022 Jul 2;82(10):1077–1094. doi: 10.1007/s40265-022-01735-x

Table 3.

Patients with primary hyperoxaluria reported with RNAi medications outside clinical trials

Patient no. and sex Age of Dx
Genetic Dx
Clinical situation before RNAi Age of starting RNAi medication and dose Serum creatinine (Scr)/eGFR Oxalate and Glycolate Duration and dose of RNAi Outcome/ Side effects Other relevant information
1 [88]

7 years old (post KTx)

c.33dupC

Phe152Ile

KTx + HD

+ B6

+ hyperhydration

+ citrate

Oxalosis in eyes

7 years old (day 34 post-KTx)

Lumasiran

38 ml/min/1.73m2 at 4 months after Tx

65.9% decrease Uox after 5 months. No raw value provided.

Glycolate not measured

>5 months

Fourth dose injected 3 months after third dose

+ B6

+ citrate

+ hyperhydration

Slight elevation of GGT and alkaline phosphatase. Developed non-anion gap metabolic acidosis (HCO3- 14 mmol/L and anion gap 8mmol/L) after HD discontinuation due to elevated glycolate Sodium bicarbonate resolved the metabolic acidosis

2 [87]

Male

Twin A

11 months old

(p.Gly161Cys

p.Gly170Arg)

Passed stones at 6 weeks old. Kidney stone (100% CaOx) at 9 months old, bilateral UL and bilateral double-J stent. UTI. Bilateral ureteroscopic stone extraction with laser

lithotripsy and a complicated bilateral ureteral stent removal

+ B6

+ citrate

12 months old

Lumasiran

Prior: Scr 0.47 mg/dl

Follow up: Scr 0,18 mg/dl

Prior: Uox/cr 0,19 mg/mg

(normal <0.103)

After: n/a

Glycolate not measured

8 months

6 mg/kg monthly for 3 months, 3 mg/kg monthly thereafter

Improved psychologically, and emotionally expressive.

Well tolerated

Preeclampsia at week 31. B6 and citrate discontinued when lumasiran started

3 [87]

Male

Twin B

11 months old p.Gly161Cys

p.Gly170Arg (assumed from dizygotic twin A)

At 10 months old, bilateral renal (non-obstructive) and bladder calculi

+ B6

+ citrate

12 months old

Lumasiran

Prior: Scr 0.31 mg/dl

Follow up: Scr 0,12 mg/dl

Prior: Uox/cr 0,125 mg/mg

After: n/a

Glycolate not measured

8 months

6 mg/kg monthly for 3 months, 3 mg/kg monthly thereafter

Stopped crying episodes. No new stone formation. No metabolic acidosis.

Well tolerated

Preeclampsia at week 31. B6 and citrate discontinued when lumasiran started

4 [86]

Female

9 years old

Homozygous for duplication of entire exon 9

Recurrent kidney stones treated with ESWL and PNL since 3 years old.

At 9 years old, bilateral coralliform stones.

+ hyperhydration

+ citrate

+ low-salt diet

+ B6 only for 3 months (Uox did not decrease)

5 urological interventions/year during 5 years (doubleJ in and out, ureteroscopy, laser therapy, and ESWL)

13 years old

3 mg/kg monthly, then quarterly, starting one month after last loading dose

Lumasiran

Prior: Scr 0.75 mg/dl. eGFR 67-60 ml/min/1.73m2

After: eGFR 62 ml/min/1.73m2 at month 18 post 1st dose

Prior: Uox/cr 0.21–0.28 mol/mol (normal <0.06 mol/mol)

Pox: 20 µmol/L, and 32 µmol/L 4 years later (normal <27)

After: Uox/cr 0.08 mol/mol (after first dose) 70% mean reduction of ox/cr ratio

Pox: 13 µmol/L (after first dose). 16 µmol/L at month 18 60% mean reduction

Glycolate not measured

18 months

No substantial changes in kidney US at month 18. No new stones. No increase of old stones. No requirement of urological interventions.

Temporary and asymptomatic episodes of macroscopic hematuria after the first four injections

No CaOx deposited in other tissue was observed prior to lumasiran

No information provided about continuation of hyperhydration and/or citrate

5 [85]

Male

Antenatal Dx (his sister was the index case)

c.33dupC

c.321_344del

9 days old

6 mg/kg/month

Lumasiran

At month 2:

+ hyperhydration

+ citrate

At month 4:

3 mg/kg + stiripentol

At month 5:

6 mg/kg + stiripentol

At month 6: stiripentol withdrawal

At month 8:

3 mg/kg/month

At birth: “normal”

At month 10 of lumasiran: “normal”

At birth: Uox/cr 1263 µmol/mmol

Pox 36 µmol/L and marked elevated glycolate (no value)

After first injection: Uox/cr 2853–1500 to 1060–1000 µmol/mmol at month 0.5, 1, 2, and 3.

Pox 12 µmol/L at 3 months

After seventh injection: 226 µmol/mmol

No glycolate measured after lumasiran started

10 months

Grade III NC after 2 months

At month 10, hyperechogenicity started to decrease

Well tolerated

Hyperhydration and citrate given from month 2 after starting lumasiran

6 [85]

(no gender displayed)

2.5 months old

p.Ile244Thr

p.Ile244Thr

At age 2.5 months, grade III NC

+ hyperhydration

+ B6

+ Mg citrate

3 months old

6 mg/kg/month

Lumasiran

At Dx: Scr 243 µmol/L, eGFR 8 ml/min/1.73m2

After 9th: Scr 120 µmol/L, eGFR 20 ml/min/1.73m2

At Dx: Uox/cr 806 µmol/mmol and Pox 194 µmol/L

Elevated glycolate (no value given)

After 9th: Uox/cr 310 µmol/mmol (60% reduction)

10 months Grade III NC persisted B6 withdrawn after 3 months under lumasiran
7 [85]

3.5 months (clinically)

5.5 months:

p.Ile244Thr

p.Ile244Thr

At age 3.5 months, grade III NC

+ hyperhydration

+ B6

+ citrate

4 months old

6 mg/kg/month first 3 months

3 mg/kg/month other 3 months

Lumasiran

Prior: Scr 30 µmol/L (eGFR 77 ml/min/1.73m2)

After: “remained stable”

Prior: Uox/cr1651–2167 µmol/mmol

Pox 36 µmol/L

After: Uox/cr 1640–662 µmol/mmol after first and second dose.

Elevated plasma glycolate (no value given)

6 months After fifth injection, nephrocalcinosis improved from grade III to grade II Lumasiran started prior to genetic diagnosis, as allowed in France

8 [91]

Female

Not mentioned

At age 36 years: ESKD and systemic oxalosis. Conventional HD

At age 39 years: HD daily

39 years old (6 months after HD started)

3 mg/kg monthly loading dose and quarterly maintenance (started 1 month after last loading)

Lumasiran

Post KTx: Scr 140 µmol/L

Methylprednisolone and antithymocyte globulin treatment resulted in Scr of 200 µmol/L (day 25 post KTx).

10 weeks post KTx, Scr 169 µmol/L

Prior: Pox ~100 µmol/L (normal <33)

After: Pox ~80 µmol/L after second dose, >100 µmol/L after third dose, and ~27 µmol/L after fifth dose (before KTx)

After KTx (d25): Pox 24 µmol/L and Uox 1.15 mmol/day (normal < 0.45); 10 weeks after Pox 20.9 µmol/L

Glycolate not measured

6 months, and continued on the seventh week after KTx

KTx after fifth dose. Inmunosuppression: basiliximab, steroids, tacrolimus, and everolimus + 1HD session

+ hyperhydration

+ citrate

+ B6

+ indapamide

+ low-oxalate diet

No adverse events or drug interactions

Oxalate nephropathy and rejection day 25 post-KT due to release of systemic oxalate stores

9 [90]

Female

40 years old

c.680+1G>A

c.680+1G>A

(after kidney biopsy positive for CaOx crystals)

NL at age 19 years and 33 years, requiring lithotripsy.

At age 40 years: hypertension, acrocyanosis, ESKD, systemic oxalosis in skin, and subcutaneous vessels.

HD

+ B6

41 years old (11 months after HD initiation)

1mg/kg/month for 3 months, then quarterly

Lumasiran

Prior: Scr 103 µmol/L (19 months before) and at presentation: Scr 1644 µmol/L (eGFR 2 ml/min/1.73m2)

At presentation: Uox 319 µmol/day

Pre-HD prior lumasiran: Pox 98.2 µmol/L

Pre-HD post 3 months of lumasiran: 62.8 µmol/L

Glycolate not measured

3 months No signs of renal recovery, increased of extra-renal involvement: bilateral swan-neck deformities, reduced cardiac systolic function, and pulmonary hypertension

Stones of calcium, magnesium, oxalate, and phosphate

Awaiting kidney-liver transplantation after lumasiran withdrawal

10 [89]

Male

38 years old

p.Arg122*

p.Arg122*

Long-standing HD for ESKD

Severe calcified kidneys, osteosclerosis, and focal calcification of the iliac-femoral axis. Cardiac oxalate deposits

38 years old

(dose not reported)

Lumasiran

On non-HD days, Scr 6 mg/ml

Prior: Pox 130 µmol/L

No follow-up reported

Glycolate not measured

1 month

11 [93]

Female

5 years old

c.973delG

c.973delG

Symptomatic NL since 3 years old needing multiple ureteroscopy and ESWL.

At age 20 years: ESKD and HD started

20 years old (5 months after starting HD)

1.5 mg/kg

Nedosiran

Prior HD: Scr 6 mg/dL (eGFR 9 ml/min/1.73m2)

Prior HD: Pox >60 µmol/L

On HD: max 83 µmol/L

Pre-nedosiran: 55.5 µmol/L

Post-fifth dose: 13.9 µmol/L

6 months

Decreased weekly HD sessions over nedosiran treatment (from 6 per week to 3 per week)

No new NL events

Only temporary injection site discomfort as a side effect

Patient elected to be removed from liver transplant waiting list during nedosiran treatment

Awaiting renal transplantation

B6 vitamin B6, CaOx calcium oxalate, Dx diagnosis, eGFR estimated glomerular filtration rate, ESKD end-stage kidney failure, ESWL extracorporeal shock wave lithotripsy, GGT gamma glutamyl transferase, HD hemodialysis, KT kidney transplantation, n/a not assessed, NC nephrocalcinosis, NL nephrolithiasis, Pox plasma oxalate, UL urolithiasis, Uox urinary oxalate, Uox/cr oxalate/creatinine ratio, US ultrasound, UTI urinary tract infection, PNL percutaneous lithotripsy, RNAi RNA interference