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ROMVIMZA was studied inMOTION: A global multicenter, randomized, double‑blind, placebo‑controlled, phase 3 study in 123 patients with symptomatic TGCT1,2

Study design1-3
Randomize 2:1; Part 1: double-blind 24 weeks; ROMVIMZA® (vimseltinib) (n=83) 30 mg twice weekly; Placebo (n=40) twice weekly; Primary/secondary endpoints; Part 2: open-label; 73/83 patients continued on ROMVIMZA® 30 mg twice weekly; 35/40 patients crossed over to ROMVIMZA® 30 mg twice weekly; Exploratory endpoints; Extension of treatment every 3 months

Key eligibility criteria3

  • Patients 18 years or older
  • Confirmed diagnosis of symptomatic TGCT for which surgical resection would potentially cause worsening functional limitation or severe morbidity

Key exclusion criteria3

  • Previous use of systemic therapy (investigational or approved) targeting CSF1 or CSF1R
    • Previous treatment with imatinib or nilotinib was allowed

Tumor response at Week 25 (6 months)1

Primary endpoint:

  • ORR by RECIST v1.1 (tumor length) per IRR

Key secondary endpoint:

  • ORR by TVS (tumor volume) per IRR

Symptomatic and Functional Outcomes at Week 25 (6 months)1

Additional key secondary endpoints:

  • A leg showing range of motion
    ROM:change from baseline in active ROM
  • A person kneeling down and tying their shoes
    Physical function:change from baseline
    in PROMIS‑PF
  • An elbow experiencing pain
    Pain:patient-reported BPI-30 worst pain response rate

BPI=Brief Pain Inventory; CSF1=colony‑stimulating factor 1; CSF1R=colony‑stimulating factor 1 receptor; IRR=independent radiologic review; ORR=objective response rate; PROMIS‑PF=Patient‑Reported Outcomes Measurement Information System Physical Function (TGCT‑specific); RECIST v1.1=Response Evaluation Criteria in Solid Tumors version 1.1; ROM=range of motion; TGCT=tenosynovial giant cell tumor; TVS=tumor volume score.

The MOTION study included a patient population reflective of real‑world clinical experience—with the majority of study sites in Europe and North America1,2

ROMVIMZA
n=83
Placebo
n=40
Median (IQR) age, years45 (33-53)43 (31-53)
Sex
Female46 (55%)27 (68%)
Male37 (45%)13 (33%)
Region
Europe57 (69%)32 (80%)
USA and Canada14 (17%)5 (13%)
Australia12 (14%)2 (5%)
Asia01 (3%)
Affected Joint
Knee56 (67%)27 (68%)
Ankle9 (11%)6 (15%)
Hip11 (13%)1 (3%)
Other*7 (8%)6 (15%)
Prior TGCT surgery or procedure†64 (77%)27 (68%)
0 surgeries19 (23%)13 (33%)
1 surgery28 (34%)14 (35%)
2-3 surgeries26 (31%)11 (28%)
≥4 surgeries10 (12%)2 (5%)
Prior TGCT systemic therapy19 (23%)9 (23%)‡
Imatinib16 (19%)7 (18%)
Nilotinib2 (2%)4 (10%)
Other§1 (1%)0

*Includes foot, wrist, hand, shoulder, elbow, and temporomandibular joint.

†All patients had histologically confirmed TGCT per diagnostic biopsy or existing pathology report; diagnostic biopsies were not recorded as a prior surgery or procedure.

‡Two patients in the placebo arm received both imatinib and nilotinib.

§Includes an investigational agent (BP 27 672).

IQR=interquartile range; USA=United States of America.

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Inform your patients they may be able to help advance TGCT research by taking part in a phase 4 study sponsored by Deciphera

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References: 1. ROMVIMZA [package insert]. Waltham, MA: Deciphera Pharmaceuticals, LLC. 2. Gelderblom H, Bhadri V, Stacchiotti S, et al. Vimseltinib versus placebo for tenosynovial giant cell tumour (MOTION): a multicentre, randomised, double-blind, placebo-controlled, phase 3 trial. Lancet. 2024;403(10445):2709-2719. 3. Gelderblom H, Bhadri V, Stacchiotti S, et al. Vimseltinib versus placebo for tenosynovial giant cell tumour (MOTION): a multicentre, randomised, double-blind, placebo-controlled, phase 3 trial. Lancet. 2024;403(10445)(suppl):1-124.
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