Table 3.
Key studies for amyloidosis pharmacotherapies.
| Reference | Title | Type | Intervention | Control | Population | N | Primary endpoint | Results/status |
|---|---|---|---|---|---|---|---|---|
| Melphalan & bortezomib | ||||||||
| NCT01277016 | EMN-03 | Phase 3 RCT | Bortezomib + melphalan + dexamethasone | Melphalan + dexamethasone | Treatment-naive AL amyloidosis | 110 | Number of patients with complete or partial response | Completed |
| Other proteasome inhibitors | ||||||||
| NCT01659658 | TOURMALINE-AL1 | Phase 3 open label | Ixazomib + dexamethasone | Physician’s choice of oral chemotherapy | Relapsed or refractory AL amyloidosis with renal or cardiac involvement | 248 | Percentage of participants with overall hematologic response and 2-year vital organ deterioration and mortality rate | Recruiting |
| NCT01789242 | A safety study of carfilzomib in patients with previously-treated systemic light chain amyloidosis | Phase 1 | Carfilzomib + dexamethasone | N/A | Relapsed or refractory AL amyloidosis | 32 | Adverse events as measures of safety and tolerability | Ongoing |
| Anti-CD38 monoclonal antibody | ||||||||
| NCT02841033 | Daratumumab for the treatment of patients with AL amyloidosis | Phase 1/2 | Daratumumab | N/A | Relapsed or refractory AL amyloidosis | 25 | Frequency and severity of side effects and number of patients with a treatment response | Recruiting |
| Immunomodulators | ||||||||
| NCT01570387 | A Phase I/II trial of pomalidomide and dexamethasone in subjects with previously-treated AL amyloidosis | Phase 1/2 | Pomalidomide + dexamethasone | N/A | Previously treated AL amyloidosis | 27 | Dose-limiting toxicity and maximum tolerated dose | Pomalidomide is well tolerated in patients with AL amyloidosis and combined with dexamethasone has a hematologic response rate of 50% in previously treated patients. |
| NEOD001 | ||||||||
| NCT01707264 | Phase 1/2 | NEOD001 | N/A | Previously treated AL amyloidosis with persistent organ dysfunction | 69 | Safety and tolerability | Treatment was safe and well tolerated with favorable organ responses compared with historical cohorts. | |
| NCT02312206 | VITAL | Phase 3 RCT | NEOD001 | Placebo | Treatment-naive cardiac AL amyloidosis | 236 | Time to composite of all-cause mortality or cardiac hospitalization | Recruiting |
| NCT02632786 | PRONTO | Phase 2 RCT | NEOD001 | Placebo | AL amyloidosis with hematologic response and persistent cardiac dysfunction | 100 | Best cardiac response as measured by NT-proBNP at 1 year | Ongoing |
| Monoclonal anti-serum amyloid P antibody | ||||||||
| NCT01777243 | Phase 1 | GSK2135698 + GSK2398852 | N/A | Systemic amyloidosis involving spleen or liver | 15 | Safety as assessed by number of subjects with adverse events | Treatment led to clearance of amyloid deposits from the liver and other organs. No serious adverse events were observed. | |
| NCT03044353 | Multiple treatment session study to assess GSK2398852 administered following and along with GSK2315698 | Phase 2 open label | GSK2135698 + GSK2398852 | N/A | ATTR cardiomyopathy, AL cardiac amyloidosis in remission. or newly diagnosed AL amyloidosis with hematologic response | 50 | Change in left ventricular mass by cardiac magnetic resonance at 8-week follow up | Not yet recruiting |
| Tafamidis | ||||||||
| NCT00694161 | Phase 2 open label | Tafamidis 20 mg | N/A | V122I or wild-type ATTR cardiomyopathy | 35 | Percentage of patients with stabilized TTR tetramer at week 6 | Tafamidis resulted in TTR stabilization in patients with ATTR cardiomyopathy. | |
| NCT01994889 | ATTR-ACT | Phase 3 RCT | Tafamidis 20 mg or tafamidis 80 mg | Placebo | ATTR cardiomyopathy | 400 | All-cause mortality and frequency of cardiovascular-related hospitalizations at month 30 | Ongoing |
| Tolcapone | ||||||||
| NCT02191826 | Study of SOM0226 in familial amyloid polyneuropathy | Phase 1/2 open label | SOM0226 (tolcapone) | N/A | Familial ATTR polyneuropathy or asymptomatic carriers | 17 | TTR stabilization | Completed |
| RNA interference | ||||||||
| NCT01617967 | Phase 2 open label | Patisiran | N/A | Familial ATTR polyneuropathy | 29 | Safety and tolerability | Patisiran was well tolerated and effective in reducing both mutant and wild-type TTR levels | |
| NCT01960348 | APOLLO | Phase 3 RCT | Patisiran | Placebo | Familial ATTR polyneuropathy | 225 | Changed in modified Neuropathy Impairment Score | Ongoing |
| NCT02319005 | ENDEAVOUR | Phase 3 RCT | Revusiran | Placebo | Familial ATTR cardiomyopathy | 206 | Change in 6 min walk distance at 18 months and percent reduction in serum TTR level over 18 months | Discontinued |
| Antisense oligonucleotides | ||||||||
| NCT01737398 | Efficacy and safety of IONIS-TTR Rx in familial amyloid polyneuropathy | Phase 3 RCT | IONIS-TTR Rx | Placebo | Familial ATTR polyneuropathy | 172 | The change from baseline in the modified Neuropathy Impairment Score and Norfolk Quality of Life Diabetic Neuropathy questionnaire at 65 weeks | Ongoing |
| NCT02175004 | Phase 3 open label extension | IONIS-TTR Rx | N/A | Familial ATTR polyneuropathy enrolled in the phase 3 RCT | 172 | Adverse events during the 78 week treatment period | Ongoing | |
| Doxycycline/tauroursodeoxycholic acid | ||||||||
| NCT01171859 | Safety, efficacy and pharmacokinetics of doxycycline plus tauroursodeoxycholic acid in transthyretin amyloidosis | Phase 2 open label | Tauroursodeoxycholic acid and doxycycline | N/A | ATTR amyloidosis | 40 | Changes in Neurologic Impairment Score-Lower Limbs and NTproBNP at 1 year | Completed |
| NCT01855360 | Tolerability and efficacy of a combination of doxycycline and TUDCA in patients with transthyretin amyloid cardiomyopathy | Phase 1/2 open label | Tauroursodeoxycholic acid and doxycycline | N/A | ATTR cardiomyopathy | 40 | Change in longitudinal echocardiographic strain at 18 months | Ongoing |
| NCT02207556 | Oral doxycycline administered as an adjunct to plasma cell directed therapy in light chain amyloidosis | Phase 2 open label | Doxycycline + chemotherapy | N/A | Treatment-naive AL amyloidosis | 30 | Amyloid organ response at 6 and 12 months | Recruiting |
| Green tea extract | ||||||||
| NCT01511263 | EpiCardiAL | Phase 2 open label randomized | EGCG + standard therapy | Standard therapy | Cardiac AL amyloidosis in remission | 86 | Cardiac response at 6 months | Recruiting |
| NCT02015312 | TAME-AL | Phase 2 RCT | EGCG | Placebo | Cardiac AL amyloidosis in remission | 38 | Change in LV mass measured by cardiac MRI at 1 year | Ongoing |