A to Z of drugs and trials

Heard about a drug or a trial? Find it here.

Every trial in people on this site, 129 in all, by name. The search also covers discoveries, genes, the glossary and the main pages.

A

  • AAV-AADC · a gene therapy that helps the brain turn levodopa into dopamine
    Passed this stageReplace or repair what's lost
  • AAV2-GAD · a gene therapy that calms an overactive movement area of the brain
    Passed this stageReplace or repair what's lost
  • ADAGIO · rasagiline, a pill
    Did not workHelp cells clean up
  • AKST4290 (TEAL) · a pill that blocks an immune receptor called CCR3
    Did not workLook beyond the brain
  • ALN-SNCA · a drug that makes cells produce less of the protein
    Result due Jun 2029Clear the bad protein
  • AMBITIOUS · ambroxol, a cough medicine, at about ten times the cough dose
    Did not workHelp cells clean up
  • Ambroxol, early studies · ambroxol, a cough medicine
    Help cells clean up
  • Anle138b · a pill to stop clumps forming
    Mixed or early resultsClear the bad protein
  • ASPIRO · dopamine cell precursors made from each person's own skin cells
    Result due Mar 2027Replace or repair what's lost
  • ASPro-PD · ambroxol, a cough medicine
    Result due Feb 2029Help cells clean up
  • Australian Parkinson's Mission APM001
    Mixed or early resultsBehind the scenes
  • AZA-PD · azathioprine, a drug that dampens the immune system
    Did not workLook beyond the brain

B

  • BEACON · BIIB122, in people with an LRRK2 gene change
    Result due Mar 2027Treat the inherited causes
  • Bemdaneprocel Phase 1 · dopamine nerve cells grown from embryonic stem cells
    Passed this stageReplace or repair what's lost
  • BHV-8000 · a pill that calms the immune system
    Result due Aug 2027Look beyond the brain
  • BIA 28-6156 · BIA 28-6156, a pill meant to raise the enzyme GCase
    Did not workHelp cells clean up
  • Brigham own-cell trial · dopamine nerve cells made from each person's own blood cells
    Result due Dec 2028Replace or repair what's lost
  • Buntanetap · a pill
    Did not workClear the bad protein

C

  • CALM-PD β-CIT and REAL-PET
    Replaced by a newer approachBehind the scenes
  • CAP-003 · a gene therapy for GBA gene Parkinson's, given by vein
    Did not workReplace or repair what's lost
  • CDNF · a growth-factor protein infused into the brain
    Replaced by a newer approachReplace or repair what's lost
  • CERE-120 · a gene therapy that makes the brain produce neurturin, a growth factor
    Did not workReplace or repair what's lost
  • Chinese iPS trials · dopamine cell precursors made from stem cells
    Replace or repair what's lost
  • CNM-Au8 · CNM-Au8, a drink of gold nanocrystals, made by a company
    Mixed or early resultsHelp cells clean up
  • Coenzyme Q10, Phase 2 · coenzyme Q10, a supplement
    Replaced by a newer approachHelp cells clean up
  • Coenzyme Q10, QE3 · coenzyme Q10, a supplement
    Did not workHelp cells clean up
  • Creatine · creatine, a supplement
    Did not workHelp cells clean up

D

  • DAPA-PD · dapansutrile, a tablet that blocks NLRP3
    Result due May 2027Look beyond the brain
  • DATATOP · deprenyl, a pill, and vitamin E
    Replaced by a newer approachHelp cells clean up
  • DNL151 safety studies · BIIB122 (then called DNL151), a tablet that blocks LRRK2
    Passed this stageTreat the inherited causes
  • DNL201 · an early LRRK2 blocker
    Replaced by a newer approachTreat the inherited causes

E

  • EARLYSTIM early DBS
    Mixed or early resultsBehind the scenes
  • EFFACE-PD · a faecal transplant, given once by colonoscopy
    Did not workLook beyond the brain
  • ELLDOPA: levodopa and progression
    Replaced by a newer approachBehind the scenes
  • ENT-01 (KARMET) · squalamine, a pill aimed at gut nerves
    Mixed or early resultsLook beyond the brain
  • EPI-589 · EPI-589, a pill meant to protect cells from oxidative stress
    Mixed or early resultsHelp cells clean up
  • Exenatide pilot · exenatide, a diabetes drug
    Replaced by a newer approachLook beyond the brain
  • Exenatide-PD3 · exenatide, a diabetes drug
    Did not workLook beyond the brain
  • Exercise (SPARX and SPARX3) · hard treadmill exercise
    Mixed or early resultsLook beyond the brain
  • EXIST · exidavnemab, an antibody drug
    Result due Dec 2026Clear the bad protein
  • exPDite-2 · bemdaneprocel, dopamine nerve cells grown from embryonic stem cells
    Result due Mar 2027Replace or repair what's lost

F

  • FAIRPARK-II · deferiprone, a pill that removes iron
    Did not workHelp cells clean up
  • Finnish faecal transplant trial · a faecal transplant, given once by colonoscopy
    Did not workLook beyond the brain
  • First fetal grafts · grafts of dopamine-making cells from donated fetal tissue
    Replaced by a newer approachReplace or repair what's lost
  • First own-cell graft · nerve cells made from a patient's own skin cells
    Mixed or early resultsReplace or repair what's lost
  • Focused ultrasound · sound waves that briefly open the barrier between blood and brain
    Mixed or early resultsReplace or repair what's lost
  • Fosgonimeton · an injected drug meant to boost a growth-factor pathway
    Did not workReplace or repair what's lost
  • Freed fetal grafts · grafts of dopamine-making cells from donated fetal tissue
    Did not workReplace or repair what's lost

G

  • GBA gene therapy · gene therapy: one injection of a working GBA gene near the brain
    Mixed or early resultsHelp cells clean up
  • GDNF infusions · a growth-factor protein pumped into the brain
    Did not workReplace or repair what's lost
  • GM1 ganglioside · a fat-like molecule found in nerve cell membranes
    Mixed or early resultsReplace or repair what's lost
  • GRF6021 · an infusion made from donated blood plasma
    Mixed or early resultsLook beyond the brain
  • GT-02287 · GT-02287, a pill meant to restore the enzyme GCase
    Mixed or early resultsHelp cells clean up
  • GUT-PARFECT · a faecal transplant, given through a tube into the bowel
    Mixed or early resultsLook beyond the brain

H

  • HCQ-PD · hydroxychloroquine, an arthritis and malaria drug
    Mixed or early resultsLook beyond the brain
  • Hydrogen water · water with hydrogen gas dissolved in it
    Did not workHelp cells clean up

I

  • Idebenone · a prevention trial
    Result due Nov 2026Behind the scenes
  • ION464 · a drug that makes cells produce less of the protein
    Did not workClear the bad protein

K

  • Kyoto iPS trial · dopamine cell precursors made from donor stem cells (iPS cells)
    Passed this stageReplace or repair what's lost

L

  • LEAP · levodopa, the main Parkinson's medicine
    Did not workBehind the scenes
  • LixiPark · lixisenatide, a diabetes drug
    Mixed or early resultsLook beyond the brain
  • Low-dose lithium · a small study in Buffalo, USA
    Result due Nov 2026Keep vulnerable cells alive
  • LRRK2 antisense drug · BIIB094, an injection into the spinal fluid that makes cells produce less LRRK2
    Did not workTreat the inherited causes
  • LUMA · BIIB122, an LRRK2 drug
    Did not workTreat the inherited causes
  • LY3962681 · a drug that makes cells produce less of the protein
    Result due Jul 2030Clear the bad protein

M

  • Mass General own-cell trial · dopamine cell precursors made from each person's own skin cells
    Result due Dec 2027Replace or repair what's lost
  • MitoQ · mitoquinone, a pill that carries an antioxidant into mitochondria
    Did not workHelp cells clean up
  • MOST-ABLE (Osaka) · semaglutide, a diabetes drug, as a daily tablet
    Result due Mar 2027Look beyond the brain
  • MTX325 and ABBV-1088 · pills meant to restart the clearing of damaged mitochondria
    Mixed or early resultsHelp cells clean up

N

  • N-DOSE · nicotinamide riboside, a form of vitamin B3, at three doses
    Result due Dec 2026Help cells clean up
  • NAC · N-acetylcysteine (NAC), a supplement that helps the body make glutathione
    Result due Jan 2027Help cells clean up
  • NADPARK · nicotinamide riboside, a form of vitamin B3
    Passed this stageHelp cells clean up
  • Nasal glutathione · glutathione, the brain's own antioxidant, as a nose spray
    Mixed or early resultsHelp cells clean up
  • NET-PD futility screens FS-1 and FS-2
    Passed this stageBehind the scenes
  • NEULARK · NEU-411, a second LRRK2 blocker
    Result due Dec 2027Treat the inherited causes
  • Nilotinib · a leukaemia drug
    Did not workKeep vulnerable cells alive
  • NLY01 · a long-acting diabetes-type drug aimed at brain immune cells
    Did not workLook beyond the brain
  • NOPARK · nicotinamide riboside, a form of vitamin B3
    Did not workHelp cells clean up
  • NOSE-PD · a nasal spray of insulin plus glutathione
    Result due Nov 2027Help cells clean up
  • NouvNeu001 · dopamine cell precursors made from donor stem cells with chemicals
    Mixed or early resultsReplace or repair what's lost
  • NR-SAFE · nicotinamide riboside, at three times the earlier dose
    Passed this stageHelp cells clean up
  • Nusinersen · an antisense drug injected into spinal fluid
    Replace or repair what's lost

O

  • Olanow fetal grafts · grafts of dopamine-making cells from donated fetal tissue
    Did not workReplace or repair what's lost
  • ORCHESTRA · minzasolmin, a pill
    Did not workClear the bad protein

P

  • PARAISO · prasinezumab, an antibody drug
    Result due Jun 2029Clear the bad protein
  • PASADENA and PADOVA · prasinezumab, an antibody drug
    Mixed or early resultsClear the bad protein
  • PD STAT · simvastatin, a cholesterol drug
    Did not workLook beyond the brain
  • PD01A vaccine · a vaccine against the protein
    Passed this stageClear the bad protein
  • PDGF-BB · a growth-factor protein given into the brain's fluid spaces
    Mixed or early resultsReplace or repair what's lost
  • Pioglitazone (FS-ZONE) · pioglitazone, a diabetes pill
    Did not workLook beyond the brain
  • PRECEPT · CEP-1347, a pill meant to stop cells dying
    Did not workKeep vulnerable cells alive
  • PreCoDe · prasinezumab, an antibody drug
    Result due Dec 2030Clear the bad protein
  • PRISMS · adalimumab, an antibody drug that calms inflammation
    Result due Aug 2029Behind the scenes
  • ProSavin · a gene therapy giving brain cells three dopamine-making genes
    Did not workReplace or repair what's lost
  • PROSEEK · vodobatinib, a leukaemia-type pill
    Did not workKeep vulnerable cells alive
  • PROUD · pramipexole, a standard Parkinson's medicine
    Did not workBehind the scenes
  • PT320 · a slow-release form of exenatide
    Mixed or early resultsLook beyond the brain

R

  • Radotinib · a leukaemia drug
    Result due Apr 2027Keep vulnerable cells alive
  • REGENERATE-PD · AB-1005, a gene therapy that makes the brain produce GDNF
    Result due Aug 2028Replace or repair what's lost
  • REPLACE (Kenai) · ready-made dopamine cell precursors from donor stem cells
    Result due Sep 2027Replace or repair what's lost
  • Risvodetinib · a pill that blocks c-Abl, an enzyme
    Mixed or early resultsKeep vulnerable cells alive
  • ROCK-PD · fasudil, a drug used in Japan for other illnesses
    Mixed or early resultsKeep vulnerable cells alive

S

  • Sargramostim · sargramostim, a white blood cell growth drug
    Mixed or early resultsLook beyond the brain
  • Semaglutide trials (Oslo, Osaka) · semaglutide, a diabetes drug
    Look beyond the brain
  • Soroka faecal transplant pilot · a faecal transplant, which puts donor gut bacteria into the bowel
    Mixed or early resultsLook beyond the brain
  • SPARK · cinpanemab, an antibody drug
    Did not workClear the bad protein
  • Spheramine · retinal cells that make levodopa, placed in the brain
    Did not workReplace or repair what's lost
  • STEADY-PD III · isradipine, a blood-pressure pill
    Did not workKeep vulnerable cells alive
  • STEM-PD · dopamine cell precursors made from embryonic stem cells
    Mixed or early resultsReplace or repair what's lost
  • Stockholm exenatide trial · exenatide, a diabetes drug
    Did not workLook beyond the brain
  • SURE-PD3 · inosine, a pill that raises urate, a natural antioxidant in blood
    Did not workHelp cells clean up
  • Synuclein-lowering drugs (overview)
    Clear the bad protein

T

  • TARBELA-PD · RO7568282, a capsule that blocks NLRP3
    Result due Dec 2028Look beyond the brain
  • TB006 · an antibody drug aimed at inflammation
    Result due Nov 2026Look beyond the brain
  • TCH346 · a pill meant to stop cells dying
    Did not workKeep vulnerable cells alive
  • TEMPO · rasagiline, a pill
    Replaced by a newer approachHelp cells clean up
  • Terazosin pilot · terazosin, a prostate drug
    Mixed or early resultsHelp cells clean up
  • TJ0113 · TJ0113, a pill from a Chinese company
    Mixed or early resultsHelp cells clean up
  • TRANSEURO · grafts of dopamine-making cells from donated fetal tissue
    Did not workReplace or repair what's lost

U

  • UB-312 vaccine · a vaccine against the protein
    Mixed or early resultsClear the bad protein
  • UC San Diego trial · dopamine cell precursors made from donor stem cells, the same cells as Kyoto
    Result due Dec 2027Replace or repair what's lost
  • UDCA · ursodeoxycholic acid (UDCA), an old liver drug
    Mixed or early resultsHelp cells clean up

V

  • VacSYn · ACI-7104, a vaccine
    Result due Jun 2028Clear the bad protein
  • Vanderbilt early-DBS pilot
    Mixed or early resultsBehind the scenes
  • Venglustat · venglustat, a pill that cuts the raw material for the enzyme GCase
    Did not workHelp cells clean up
  • VENT-02 · an NLRP3 blocker, a pill
    Mixed or early resultsLook beyond the brain
  • VGN-R08b · a gene therapy giving a working GBA1 gene, injected into the brain's fluid spaces
    Mixed or early resultsReplace or repair what's lost
  • VTX3232 · an NLRP3 blocker, a pill that calms inflammation
    Mixed or early resultsLook beyond the brain
  • VY-AADC · a gene therapy that helps the brain make dopamine
    Did not workReplace or repair what's lost