Extending Innovation From Lymphoma to Myeloma: The Next Wave of Bispecific Antibody Breakthroughs for Clinical Care
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Jun 27, 2024
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About This Presentation
Chair and Presenter, Sundar Jagannath, MD, FASCO, Sabarish Ayyappan, MD, and Jennifer Crombie, MD, discuss lymphoma and myeloma in this CME/MOC/NCPD/AAPA/IPCE activity titled “Extending Innovation From Lymphoma to Myeloma: The Next Wave of Bispecific Antibody Breakthroughs for Clinical Care.” Fo...
Chair and Presenter, Sundar Jagannath, MD, FASCO, Sabarish Ayyappan, MD, and Jennifer Crombie, MD, discuss lymphoma and myeloma in this CME/MOC/NCPD/AAPA/IPCE activity titled “Extending Innovation From Lymphoma to Myeloma: The Next Wave of Bispecific Antibody Breakthroughs for Clinical Care.” For the full presentation, downloadable Practice Aids, and complete CME/MOC/NCPD/AAPA/IPCE information, and to apply for credit, please visit us at https://bit.ly/3xl0zyb. CME/MOC/NCPD/AAPA/IPCE credit will be available until June 30, 2025.
Size: 6.77 MB
Language: en
Added: Jun 27, 2024
Slides: 96 pages
Slide Content
Extending Innovation From
Lymphoma to Myeloma
The Next Wave of Bispecific Antibody Breakthroughs
for Clinical Care
Sabarish Ayyappan, MD =)
Clinical Associate Professor and Medical We W
Director of Hematologic Malignancies a
City of Hope Atlanta =
Sundar Jagannath, MD, FASCO E o Georgia aad
Professor of Medicine WA }
a
Icahn School of Medicine at Mount Sinai
New York, New York Jennifer Crombie, MD
he Assistant Professor of Medicine,
Harvard Medical School
Dana-Farber Cancer Institute
Boston, Massachusetts
Go online to access full CME/MOC/NCPD/AAPA/IPCE information, including faculty disclosures.
During the Modern Rituximab Era,
Outcomes Were Poor in R/R DLBCL'
Events Median, mo
n Everts Medanme 0
Bo. = 20) — Payer aa 71
Zu Au 505608 63 Bond] — Retracomtozloriaterine 2611906 61
dz nee à
Bo
Es \
Ea
Timo From Start of Salvage Therapy, mo Time From Start of Salvage Therapy, mo refractory disease was
months
E
E Has the emergence of
— No u 54
immunotherapy
(CAR-T and bispecific
antibodies) changed
this picture?
A From tata Salvage Therapy, mo
1. Crump M et al Blood. 2017:130:1800-1808, PeerView.com
Bispecific Antibodies Represent a Step Forward in NHL
Regulatory Status in the US
Approved in R/R DLBCL NOS, including DLBCL arising from
Econ indolent lymphoma, and high-grade B-cell lymphoma after
22 lines of prior therapy
Glofitamab Approved in R/R DLBCL, NOS, or LBCL arising from FL, after
CD20 x CD3 22 lines of systemic therapy
Mosunetuzumab o A 4
CD20 x CD3 Approved for adults with R/R FL after 22 lines of systemic therapy
Odronextamab gi
CD20 x CD3 Phase 3 testing
Combination platforms with bispecifics and other antibodies po
(eg, mosunetuzumab or glofitamab + polatuzumab vedotin) — IMA
are being rapidly developed
Improve your knowledge of current evidence supporting the integration of
emerging bispecific antibodies in MM and lymphoma
Enhance your skills for preparing treatment plans that anticipate a role for
emerging bispecific options across multiple lines of therapy in NHL settings
Augment your ability to integrate emerging bispecific antibody options into
sequential management plans for patients with RRMM
Provide you with guidance on strategies to address unique aspects of
care associated with the use of next-generation bispecific antibodies,
including safety and dosing considerations
PeerView.com/KQE827
Next Steps in Lymphoma—
Bispecifics on the Move
DLBCL
Sabarish Ayyappan, MD
Clinical Associate Professor and Medical Director of
Hematologic Malignancies
(2) Workshop: A Patient With R/R DLBCL and
Prior Exposure to CAR-T
65-year-old patient with DLBCL NOS treated with R-CHOP and achieves complete
response (CR) confirmed by PET-CT (PS of 1).
+ 6 months post treatment, he shows signs of relapse and is referred for CAR-T and
achieves a remission; after 6 months, he is found to have progression based on
imaging. Biopsy proven to be DLBCL NOS.
(&) Workshop: A Patient With R/R DLBCL and
Prior Exposure to CAR-T
65-year-old patient with DLBCL NOS treated with R-CHOP and achieves complete
response (CR) confirmed by PET-CT (PS of 1).
+ 6 months post treatment, he shows signs of relapse and is referred for CAR-T and
achieves a remission; after 6 months, he is found to have progression based on
imaging. Biopsy proven to be DLBCL NOS.
Points to consider
+ Is there life after CAR-T failure?
+ Current experience with step-up and subsequent dosing with epcoritamab
and glofitamab
= + Tafasitamab-cxix + lenalidomide
Options In A but could + Brentuximab vedotin + lenalidomide for CD30+ disease
+ Ibrutinib (non-GCB DLBCL)
Lenalidomide + rituximab (non-GCB DLBCL)
1.NCCN Clinical Practice Guidelines in Oncology: B-Call Lymphomas. Version 2.2024. hps:/wmw.ncen orglprofessionalsphysician_glsptb-col pat PeerView.com
N= 155 100 Main Analysis Cohort
e 80
Y Median lines: 3 (2-7) te 60
Y Primary refractory: 58%, 33% prior CAR-T, 22 40
and 30% refractory to CAR-T SE 20
Y Median time to CR: 42 d o
Y Median follow-up: 18.2 mo 012345678 9 101112131415161718192021
No. at Risk Time, mo
Results MON 97 35 4645 06 4 20 28 26 29 021 18 1419 12 10 10 2 1 0
Y ORR: 52% with 40% CR 100 PFS in the Main Analysis Cohort
Y Median DOR was 18 mo 2 * 80
(if CR, median DOR: 26.2 mo) 38 60
y Median PFS: 4.9 mo (95% Cl, 3.4-8.1) ES 40
y 12-mo OS: 50% (95% Cl, 41-58) de 2
à o 3 6 9 12 15 18 21 24
No. at Risk Time, mo
MURS art
1. Dickinson Meta. N Engl Mod. 2022:387.2220-2231 PeerView.com
orde.
1 ips vin accossdata da govidrugsatida_ docslabo/2023/761300:00000 pat.
PeerView.com/KQE827
+ Pretreat with a single 1,000-mg dose of obinutuzumab IV 7 days before
initiation of glofitamab (cycle 1 day 1)
+ Patients should be hospitalized for the 2.5 mg step-up dose and for
subsequent infusions as recommended
+ Administer premedication as recommended ee
What Are Strategies for
Therapeutic Sequencing in
DLBCL?
Using Bispecifics After CAR-T
Is Well-Established Based on the Evidence to Date
Subgroup N
Glofitamab effective in Overall 155
patients exposed to prior
CAR-T (CR of 35%)!
Similarly, epcoritamab
shows efficacy in this
population; ORR of 54.1%
and CR of 34.4%?
in Tumor Size, %
Best Change From Baseline
Patients
1. Dickinson Metal. N Engl J Med, 2022:387:2220-2251. 2. Thieblemont C ot al. J Clin Oncol 2023:41:2238-2247. PeerView.com
Peerview.com/KQE827 Copyright O 2000-2024, Peerview
Sequencing With CAR-T After Bispecifics!
Retrospective analysis of 47 patients
with R/R LBCL!
+ Patients treated with CD19-targeted
CAR-T after a prior CD20/22 x CD3
bispecific
+ Robust responses regardless of
length of washout period
— 80% ORR for shorter and
longer washout
+ No evidence of intrinsic cross-
resistance between CAR-T cells
and bispecific
1. Crochet Gt al. Blood. 2024 006 2024024826,
PeerView.com/KQE827
OS Since CAR-T Infusion
‘Survival Probability
N___Eventn(%) _Consored, n (%) Median Survival (95% CD; mo
471782) 30638) ARENA)
0 y 3 E] E
OS Since CAR-T Administration, mo
Data suggest that CAR-T cell therapy remains effective
in patients with R/R LBCL after prior exposure to
bispecifics when the target antigen is different
PO PN Time From First Dose, mo
ann man |
12-mo PFS, % (95% Cl) 67.2 (50.3-79.5) 25.2 (9.5-44.7) 12-mo OS, % =
= re
120 PFS, %(95%C1) 47.5 (20.9-62.1) 189 (54-388) 12:10 08, % (5%: BEAT 59503653)
Smresemo) ven meine pmmremo Pe" mama
1. Ayyappan S et al. ASH 2023. Abstract 436, PeerView.com
Odronextamab Is Associated With a Manageable
Safety Profile Consistent With Prior Reports!
Treatment
pd
TEAEs in 215% of Patients (N = 127)
Any TEAE TRAE
Any TEAE 126 (99.2) 111 (67.4) crs] 551 ms 55.1
Grade 23 TEAE 107 (84.3) 68 (53.5) ee =
Serious TEAE 82 (64.6) 62 (48.8) Neutropenia 307 (en 20.5
TEAE leading to interruption 92 (72.4) 67 (52.8) Diarrhea 2 29.4 Grade
TEAE leading to dose Sach es m2
Me 4(3.1) 4(3.1) Thrombocytopenia 16.9 lm 14.2
TEAE leading to Hypokalemia 18.9 mim 63 Mas
NEES 17 (13.4) 12(9.4) Bi: 181 ml 16.5
TEAE leading to death 20(15.7) 5 (3.9) covip-19
Nausea’
TEAEs leading to death: COVID-19, pneumonia, Pneumocystis
Odronextamab demonstrated encouraging antitumor activity in heavily pretreated
patients with R/R DLBCL who have progressed after CAR-T therapy!
— Expansion post-CAR-T cohort; only dedicated, prospective analysis to date
— ORR: 47.7%, CR: 29.5%
Reponses were durable with median DOR and median DOCR not reached
Outcome
All Patients (| )
Median DOR, mo (95% Cl) NR (2.3-NE)
Probability of maintaining response at 12 mo, % (95% CI) 61.6 (29.4-82.5)
Median DOCR, mo (95% Cl) NR (23-NE)
Probability of maintaining CR at 9 mo, % (95% Cl) 85.7 (33.4-97.9)
Median PFS and OS were longer with CR vs PR:
+ PFS NR vs 5.0 months; OS NR vs 7.7 months)
65-year-old patient with DLBCL NOS treated with R-CHOP and achieves complete
response (CR) confirmed by PET-CT (PS of 1).
+ 6 months post treatment, he shows signs of relapse and is referred for CAR-T and
achieves a remission; after 6 months, he is found to have progression based on
imaging. Biopsy proven to be DLBCL NOS
Summary Thoughts
Yes, there is life after CAR-T: bispecifics are effective options in patients progressing on cellular therapy
“Off-the-shelf” therapy with a favorable safety profile
Multiple bispecifics included in the NCCN guidelines could be considered for this patient; emerging
CD20 x CD3s may have a future role
Combination therapy may also be emerging as an option
As these agents move upfront, sequencing will remain an area of interest
Diagnosed with FL, Treated with BR x 6 Recurrent disease Treated with R2 with CR,
symptomatic with with a CR 18 months later, relapsed 12 months later
bulky abdominal biopsy showed FL with symptomatic
disease lymphadenopathy
* Patient does not live near a CAR-T center and prefers not to travel at this time
A 73-year-old woman with R/R FL previously treated with 1L CIT and evidence of POD24;
subsequently the patient receives R2 and responds but experiences neutropenia, managed with
GCSF; subsequent relapse, PS is now 2 and CAR-T has not been planned.
Points to consider
+ Prognostic considerations
+ What are treatment options?
+ If bispecifics are used: what are the dosing, safety, and administration
considerations?
Bispecific Antibodies Are Now Options for
Sequential FL Management in Current Guidelines!
Suggested Treatment Regimens
An FDA-Approved Biosimilar Is an Appropriate Substitute for Rituximab
Third-Line and Subsequent Therapy
Subsequent Systemic Therapy Options Include Second-line Therapy Regimens That Were Not Previously Given
Preferred regimens
in alphabetical order)
+ T-cell engager therapy
o Bispecific antibody therapy
> > Epcoritamab-bysp
> Mosunetuzumab-axgb
> CAR T-cell therapy
(preferred if not previously given) (in alphabetical order)
> Axicabtagene ciloleucel (CD19-directed)
> Lisocabtagene maraleucel (CD19-directed)
> Tisagenlecleucel (CD19-directed)
her recommen men:
+ EZH2 inhibitor
o Tazemetostat (irrespective of EZH2 mutation status)
+ BTK inhibitor
Zanubrutinib + obinutuzumab
+ Mosunetuzumab?
+ Epcoritamab added, though awaiting FDA approval
1. NCCN cincal Practico Gudeines in Oncology. -Cel Lymphomas. Version 22024. htps:wnw.neen.or/proessionlphysican_olspa-col pal. ew.
2. Budde LE etal. Lancet Oncol 2022.23 1055-1085, es eee ee PeerView.com
You will receive an infusion on day 1 of
Day2 Day3 Day4 Day5 Day6 Day? wea Sada
The doses you will receive on day 1 of
weeks 1 and 2 will be smaller than the
‘ones you will receive throughout the rest of
your treatment. This is called a step-up
dosing schedule
If your dose of mosunetuzumab is delayed
for any reason, you may need to repeat the
step-up dosing schedule
Starting on day 1 of week 7, you will receive
an infusion every 3 weeks (21 days)
ape Time, mo
AA ee
80% objective response
60% of patients with CR
Median PFS of 17.9 months
57% of patients maintaining
18 months
OR for at least
Ago, y (range) 60 (53-67) Previous lines of therapy 3024)
en B Hay
es se M a
mei man ae
pans som su
= oo Man EB
= a
oe ty le
ae Mer
= EN non
3 ió 53 (69) Immunomodulatory drugs 134)
1 37 (41) F5 A)
ee a
E a
: o ae
le Sat] a rien
iy aes IE A
TE er Os um
rt 3134) r= saad
Pa: Eee]
o 33) i)
i 28
E ta
1. Budde LE etal. Lancet Oncol. 2022:28:1085-1066.
EPCORE-NHL-1: Epcoritamab Is Highly
Active in the R/R FL Cohort’
Demographics, n (%) Efficacy Results: ORRs and CR Rates Were High
— Regardless of Subgroup
Median age, y (range) ee MEN) 100 =PR «CR 97
(ang)
Median time tom end ot
Men 70,62) latino lero o et 52 (1-105) o nn
Gone mo range)
edn na om odo *
ee sc E
2
é
first dose, mo (range)
Median prior lines of
therapy, n (range) 329
2 8169) a
= 106
o
z a | poo 442) range Nee ae Macey ae ea
ES 760) ote egy Tose” TE
Double refractory.’ 90(70) ud id j,
= ee) Including in treatment-refractory and POD24 settings
mocralbuln: m :
Refractory to lat prior sn * Median PFS, 15.4 months
on 7262 | |sssenic mao,
+ Median OS, NR
+ Ann Arbor sage was lil in 19 paint. FLIP was 0-1 in 17 patients, unknown for 1 paint and not applcabe fr 1 patent. FLIP was riot fet dose on study.
“Botn-2 macrogbuln was normal in 46 patents and missing for 4 pants. Progression within 2 y ol ıntatng 1L chemoimranotherapy
Rotator no response o elapse wa 6 mo alr therapy.‘ Dodble refactor retractor to both ant-C020 and an aiii agent ge
1: Linton KM et a. ASH 2029. Abstract 1855. PeerView.com
Ds
SUD 2:08 mg
oy Zu cıDı Recommendations for
ECO D 1:06 mg adequate hydration
En EE + Hospitalization not mandated in his setting
C1 Optimization Reduced Risk and Severity of CRS
Pivotal Cohort C1 Optimization
(n= 128) Cohort {n = 50)
CRS,n (%) 85 (66) 24 (48)
Grade 1 51 (40) 20 40)
Grade 2 32(25) 40)
Grade 3 2@) o
Treated with toclizumab, nin (%) 21785 (96) 6724 (25)
PeerView.com
Refractory to or relapsed after 22
prior lines of therapy, including an 4
anti-CD20 antibody and an
alkylator Cycle 4 day 15
Pi SE ORRINICR First post-baseline response
Seconded) endpoints: ORR by local Modified step-up dosing to mitigate CRS
investigator; CR, DOR, PFS, and OS; safety
Other Emerging Bispecifics: Odronextamab in R/R FL!
28
61 (22-84)
94
53.1
517
266
08
16
94
‘Ann Arbor stage IV 852
FLIPI risk score
0.1 164
35 578
Prior RE 133
Prior ASCT, %. 305
Refractory to last line of therapy ns
Refractory to anti-CD20 antibody 742
Double refractory to alkylatorianti-CD20 ad
1. Vilasboas JC et al. ASH 2023. Abstract 3041. PeerView.com
06 Median PFS: 27.5 mo
3 (95% Cl, 20.2-NE)
Bos
E
02 Median PFS: 8 mo
— (95% Cl, 4.4-17.2)
0
0 3 6 9 1215 18 21 24 27 30 33 36 3942
Time From First Dose, mo
No, at Risk
y summary!
CRS was mostly grade 1/2 CRS
Neutropenia
* One low-grade ICANS event with Pyrexia
0.7/4/20 mg cycle 1 step-up ey
+ Any-grade infection TEAEs were an
reported in 80% of patients
Diarrhea
* >1/3 with COVID-19 Thrombocytopenia
— Reflective of a study conducted "Poklemia
during the pandemic in a patient Nausea
population with increased Rast
underlying risk for infections Fatigue |
Any TEAE Treatment-Related TEAE
je 55,3
47.7 | 39.5
259 mm 254
33.6 mm 20 3
313 ln 39 rods
205 | mE 26 9 m2
273 | 9.4. MR
242 nl 172
219 im 75
105 lm 10.2
166 lm 117
18 lm 125
100 80 60 40 20 0 20 40 60 80 100
Patients, % Patients, %
Patient-reported HRQoL: results were favorable during odronextamab treatment until disease
progression, with no detriments on patient-reported symptoms, functioning, and overall QoL?
1. Vitasboas JC et al. ASH 2023. Abstract 3041. 2, Tessouln B et al. ASH 2023 Abstract 669.
How Can We Use These
Agents Safely in the
Community?
Practical Principles for Addressing
Bispecific Antibody Toxicity!
CRS/Neurotoxicity Patient Assessment
Patient Patient Drug Self-Monitoring
Assessment With Negative
Selection Education Administration (fOutpatient) Heer Does Negative
Neurotoxicity
Continue
+ therapy and
monitoring as
+ CRS risk
‘assessment Patient and caregiver Patient receives Patientorcaregiver Patient is assessed
+ Tumor burden ‘educated on bispecificin self-monitors vitals at DY HCP at 24 and
* Comoros. CR eurarciy | npaentcuipaen home dung step-up 4 Pours, and as
+ Social support risk and monitoring setting dosing Later
‘Assessment is positive for
‘Subsequent CRS and/or neurotoxicity
‘monitoring repeated
as above
+ Administer tocilizumab if symptoms persist despite IV fluids and dexamethasone
(approximately 4-6 hours after dosing) or if clinically unstable. Consider alternative agent
(e.g. anakinra or siltuximab) if persistent symptoms despite maximal dosing
Principles of CRS Management With Bispecifics in NHL’
Grade 3
+ Emergent inpatient admission (floor or ICU)
* Tylenol
+ Dexamethasone (e.g. 10 mg IV Q 6 hours), until resolution to grade < 1, followed by taper
+ Evaluate for sepsis and consider empiric antibiotics
+ Administer tocilizumab and consider alternative agent (e.g. anakinra or siltuximab) if
persistent grade 3 CRS despite maximal dosing
Grade 4
* Inpatient admission to ICU
+ Tylenol
+ Dexamethasone (e.g. 20 mg IV Q 6 hours), until resolution to grade < 1, followed by taper
+ Administer tocilizumab and if repeated doses of tocilizumab have been utilized, consider
alternative agent (e.g. anakinra or siltuximab) if persistent grade 4 CRS despite maximal
Grade 1: ICE 7-9 or depressed level of
consciousness but awakens spontaneously
Grade 2: ICE 3-6 or depressed level of
consciousness but awakens to voice
Grade 3: ICE 0-2 or depressed level of
consciousness but awakens to tactile
stimulus or any clinical seizure that
resolves rapidly or focal/local edema on
neuroimaging
Grade 4: ICE is O or patient is unarousable
or requires vigorous or repetitive tactile
stimuli, or life-threatening prolonged
seizure (>5 minutes) or repetitive seizures
without retum to baseline or deep focal
motor weakness or diffuse cerebral edema
‘on neuroimaging
1. Crombie J ot al Blood. 2024:143-1565-1975,
PeerView.com/KQE827
Pending clinical scenario and social situation, can consider observation or close monitoring in
outpatient setting. Can consider dexamethasone 10 mg x 1
‘Admit patient to hospital for monitoring
Dexamethasone 10 mg IV every 12 h, followed by taper once grade 21
Monitor in ICU setting
Neurology consult
Dexamethasone 10 mg IV every 6 h, followed by taper once grade 21
Use antiepileptics for seizure management as needed
Consider adding anakinra 100 mg every 12 h if symptoms persist beyond 24 h, continue until
resolution
+ Monitor in ICU setting
Neurology consult
Dexamethasone 10 mg IV every 6 h, followed by taper once grade 21
Use antiepileptics for seizure management as needed
+ Consider adding anakinra 100 mg every 12 h if symptoms persist beyond 24 h, continue
EPCORE NHL-2, Arm2b Cohort: The Epcoritamab and
R2 Combination Is Effective in R/R FL!
Dosing Regimen
for Epcoritamab +
R2 Combination
R2
After median follow-up
of 5.6 mo, the
combination showed
high overall and CMR
rate
+ mDOR, not
reached
Treatment Regimen for Epcoritamab SC 48 mg + R2
Epcoritamab Q4W up
SC 48 mg aw ow aaw aw aw aw | 02 years
Rituximab IV
375 mom aw aw aw aaw aw
Lenalidomide :
oral 20 mg Daily for 21 days (for 12 cycles)
EPCORE NHL-2, Arm 6*
A phase 1b/2, open-label trial evaluating the safety and antitumor activity of epcoritamab and
R? in adults with previously untreated FL
Expansion, N = 41
Key Inclusion Criteria Epcoritamab SC 48 mg
CON 2 01.2, AW C3+ treatment up to 2 year
a eo! ax NE ont 3 ee ay
burden, as determined by GELT cris á
+ ECOGPS0-2 5]
2 Measurable disease by CT or MRI ES Lenaidomide ora) 20 mg
+ Adequate organ function Ed a 2
+ Primary objectives: antitumor activity (ORR) and safety/tolerability Median flow, me fange) (14+ to 107)
+ Key secondary endpoints: DOR
Best Overall Response* Total Efficacy Evaluable, % (N = 36)
Based on mos response ovluae population done as patents wih 21 target sion a seine and 21 postbasclne response evaluation aná patonts who
‘ia within 60 days of fst dose. One patent died wihu 60 days of rs dose without assessment (COVID-19) ñ
1.Falchi etal. ASH 2022, Abstract 609. PeerView.com
Next Steps With Odronextamab:
Phase 3 Combination Study in Previously Untreated FL
Phase 3 OLYMPIA-1 Study Design Phase 3 OLYMPIA-2 Study Design
« Part 1: Safety run-in + Part 1: Safety run-in
+ Part 2: Randomization + Part 2: Randomization
Odronextamab-
Odronextamab for
no maintenanc
Odronextamab-
Patients with Patients with CHOP/odronextamab-CVP for
untreated FL untreated FL
(&) Workshop Take-Homes:
Preparing for Next-Gen Bispecifics in FL
A 73-year-old woman with R/R FL previously treated with 1L CIT and evidence of POD24;
subsequently the patient receives R2 and responds but experiences neutropenia, managed with
GCSF; subsequent relapse, PS is now 2 and CAR-T has not been planned.
Options For a Patient With POD24 R/R FL In Need of 3L Treatment Who Is Not Pursuing CAR-T
Bispecifics are approved in 3rd line and can be considered for this patient with R/R FL
Emerging bispecifics likely represent future options, including in poor prognosis POD24 settings
CD20 x CD3 bispecifics may have particular relevance for FL care in the community setting
+ Be prepared to collaborate with other members of the healthcare team, academic centers, and ED
Studies of bispecifics in combination with other agents and in earlier lines of therapy are underway
PeerView.com
PeerView.com/KQE827 Copyright O 2000-2024, Peerview
Next Steps in Multiple Myeloma
The Coming Wave of BCMA
Bispecific Antibodies
Sundar Jagannath, MD, FASCO
Professor of Medicine 5 à |
Icahn School of Medicine at Mount Sinai
New York, New York A
(&) Workshop: A Patient With Triple-Class
Refractory MM and High-Risk Features
Scott originally presented with high-risk MM
+ 1921 amplification (2 extra copies), +11, del(13q) He is now 80 years old
Treatment history with RRMM and a short
DOR after his most recent
+ D-RVd, then ASCT, then R maintenance progression
+ D-Pd: best response PR; DOR = 11 months
+ KCd: best response PR; DOR = 6 months
+ Selinexor-Kd: PR; DOR = 2 months (CAR-T has not been planned)
PeerView.com
PeerView.com/KQE827 Copyright O 2000-2024, Peerview
(&) Workshop: A Patient With Triple-Class
Refractory MM and High-Risk Features
Scott originally presented with high-risk MM
+ 1921 amplification (2 extra copies), +11, del(13q) He is now 80 years old
Treatment history with RRMM and a short
DOR after his most recent
+ D-RVd, then ASCT, then R maintenance progression
+ D-Pd: best response PR; DOR = 11 months
+ KCd: best response PR; DOR = 6 months
+ Selinexor-Kd: PR; DOR = 2 months (CAR-T has not been planned)
Points to consider
+ Isittoo late for CAR-T or can you wait?
+ Is there a role for BCMA bispecifics?
+ BCMA or another antigen target?
+ Emerging BCMA bispecifics—what will their role be?
NCCN Guidelines Recommend
Bispecific Antibodies for Late Relapses'
Therapies for Patients With Late Relapses (>3 Prior Therapies)
Preferred Regimens
After at least 4 prior therapies, including an anti-CD38 monoclonal
antibody, a Pl, and an IMiD
Supported by MajesTEC-1: Bispecific antibodies
+ ORR 63% (no prior BCMA)2 + Elranatamab-bemm
ORR 59% (BCMA exposed)? + Talquetamab-tgvs
Median PFS: 11.3 months? =) » Teclistamab-cqyv
1. NCCN Cinca race Guideines in Oncology. Muto Myeloma. Version 3.2024. ps: non orrotessinalspryacian_glpclmyeloma pat ra
2 Van de Donk N et a. ASCO 2023. Abstract 8011. 3. Dima D eta. Transplant Coll Ther. 2024;30:208 01-008 013. PeerView.com
Dosing Schedule Day Dose
Step-up 4 Step-up dose 1 0.06 mg/kg
dosing schedule 4 Step-up dose 2 0.3 mg/kg
(48-hour
hospitalization after 7 First treatment dose 1.5 mg/kg
each SZ dose)
Weekly 1 week after first treatment dose and weekly 1.5 mg/kg
dosing schedule thereafter once weekly
Dune edule For patients who have achieved and 1.5 mg/kg every
9 maintained 2CR for a minimum of 6 months 2 weeks
Step-up doses may be administered between 2 to 4 days after the previous dose and may | PMI
be given up to 7 days after the previous dose to allow for resolution of any adverse reactions | Mil Zul
1. Tecvayl (teclstamab) Prescribing information, ps www accessdata da govldngsatiéa_docsfabel2028/7612018004i pt. PeerView.com
+ Only 0.6% of CRS were grade 3
+ No grade 4/5 CRS events
Infections 78%
CRS 72%
Other considerations"?
+ ICANS was reported in 3% of patients
+ CBC at baseline and periodically during treatment
* Ifadministration-related reactions and local injection-site reactions occur, withhold or consider
discontinuation based on severity
4. Van de Donk N et a. ASCO 2023. Abstract 8011.2. Tecvay('ocistamab) Proscriding Information, u
ps www. accessdat fda govirugsatida_docslabel2023/761291s0040 pat PeerView.com
AEs of Interest! Overall (All-Grade) Comments
+ Grade 3/4 infections (47.2%)
+ COVID-19 was the most
Infections 69.9% frequently reported (29.3%)
CRS 57.7% + No grade 3/4 CRS
Other considerations'*
+ ICANS was reported in 4.9% of patients
+ Monitor CBC at baseline and periodically during treatment
+ Monitor liver enzymes and bilirubin at baseline and during treatment as clinically indicated
for hepatotoxicity (elevated ALT, AST, and bilirubin)
4. Lesokhin A et al. Nat Mod. 202329259-2267. 2. Tomasson M etal. ASH 2023. Abstract 3385.3. Er (eranatamab-demm) Preserbing information,
pS www accossdata da govidnigsatia_docs/abel 2023761345019 1s00081 pl. PeerView.com
Key Points for Infection Management
With BCMA Bispecific Antibodies
Q Preventive protocols are key
Q PJP prophylaxis (eg, TMP/SMX, pentamidine)
Q HSV/VZV viral prophylaxis
Q_IVIG supplementation
Recommendations on prevention of infections during chimeric
antigen receptor T-cell and bispecific antibody therapy in
multiple myeloma
Meera Mohan, Rajshekhar Chakraborty, Susan Bal, Anoma Nellore, Muhamed Baljevic, Anta D'Souza,
Peter G. Pappas, Jesus G. Berdeja, Natalie Callander, Luciano). Costa
Recommendations Are Available!
1. Mohan M et al. Br J Haomatol. 2023:203:736-748, PeerView.com
Peerview.com/KQE827 Copyright O 2000-2024, Peerview
Principles for Choosing Between Bispecifics
and CAR-T and Evidence for Sequential Care
Candidates for « With RRMM progressing after 3-5 prior LOT who are unable to access
BCMA bispecifics CAR-T or at high-risk of manufacturing failure
can include e With rapidly progressing/aggressive MM (unable to wait for CAR-T)
patients ...
« Failing treatment with CAR-T
To date sequencing between BCMA platforms appears to be an active approach in RRMM
CAR-T BCMA TCE
ORR 53%! ORR 57%?
1.Nocka A et al. ASCO 2023. Abstract 8008.2. Cohen AD eta. Blood. 2023,141:219-230, PeerView.com
Preparing for the
Next Generation of
BCMA Bispecifics
Other BCMA and Novel MOA Bispecifics in Development!
Bispecific Antibody Target Format
BCMA x CD3
Linvoseltamab Under priority review at the FDA for adult patients
with RRMM who have previously received 23 LOT
ABBV-383 BCMA x CD3; IgG4
Cevostamab FcRH5 x CD3 humanized IgG1
1. Lejeune M et a. Front Immunol 2020:11:762. 2. Laneman G eta. Blood Cancer Discov. 2021:2:423-433.3. Hosny M at al J Clin Mod. 2021:10:4583
Blood 7
4 Moreau P, Touzeau €. Blood. 2022,139:3681-3687, 5. Lesokhin AM et al. ASH 2022. Abstract 1924 PeerView.com
+ Targets T-cell effector function to induce cytotoxicity of
BCMA-expressing MM cells
Linvoseltamab MOA
REGN5458
Linvoseltamab Molecular Structure (BCMAX CDS bispectc
Fab regions, Qo
—— 4
con N Activated
binding — — binding Pr
site site
—
Veloci-Bi Variable
Fc region region
1. Zonder JA et al, EHA 2022. Abstract $189, PeerView.com
Emerging BCMA Bispecifics: Updates on Linvoseltamab
LINKER-MM1 study tested IV linvoseltamab at 80
the recommended 200 mg dose in patients ORR: 69.2% "PR
with RRMM (N = 117)! e EVER
Efficacy findings (after median follow-up of en
11.1 months)? $
+ ORR: 69.2% ¿
+ 59% achieved 2VGPR 2
+ Among patients with CR or sCR with =
available MRD data (N = 37), SCR
50% were MRD negative at 105 39%
Median DOR and PFS not reached?
200 mg (N = 117)
1. Lee HC et al ASCO 2023. Abstract 8006. 2. Jagannath St al. ASH 2023. Abstract 4746. PeerView.com
Once a week Every 2 weeks
Day1 Day8 <VGPR: every 2 weeks
24-hour hospitalization
Customized
Predictable timing and low rate dosing based
of CRS allows for an inpatient Download the
monitoring schedule of 1 day on depth of Practice Aid!
response
at week 1 and week 2
1.Bumma N et al. ASH 2022, Abstract 4555. 2. Jagannath $ et al. ACR 2024. Abstract CTOO1, PeerView.com
What Is the Safety Experience With Linvoseltamab?!
CRS Grade, 200 mg Cohort
Most CRS occurred in the
step-up dosing period
1 patient with grade 3 CRS
mGrade 1 mGrade 2 =Grade 3
No grade 24 CRS reported
CRS onset usually occurred
on the day of dosing with
resolution within 1 day
Of those patients with CRS,
the majority were grade 1
5mg 25mg — FirstFull Second Full Third Full
Priming Intermediate Dose Dose Dose and
Dose Dose Beyond
Other Safety and Practical Points With Linvoseltamab!
Other AEs of Interest Overall
From LINKER-MM1 (All-Grade) Gomments
+ Grades 3/4 in 34%
+ Infection frequency and severity decreased
Infections 73% over time
+ All cases of PJP occurred prior to mandatory
prophylaxis
ICANS 7.7% * Concurrent with CRS or IRRs
1. Jagannath et al, AACR 2024. Abstract CTOO1, PeerView.com
Workshop: Revisiting Our Patient
With High-Risk, TCR Myeloma
Scott originally presented with high-risk MM
+ 1921 amplification (2 extra copies), +11, del(13q)
Treatment history
+ D-RVd, then ASCT, then R maintenance
He is now 80 years old
with RRMM and a short
DOR after his most recent
+ D-Pd: best response PR; DOR = 11 months progression
+ KCd: best response PR; DOR = 6 months
+ Selinexor-Kd: PR; DOR = 2 months (CAR-T has not been planned)
Recommendations for Scott, a Patient Wit
For this patient with an aggressive relapse, waiting for CAR-T is suboptimal
Bispecifics represent effective options, particularly since he is BCMA-naïve
Understand the principles of delivering bispecifics in MM:
hospitalization/step-up, then weekly dosing, then subsequent modifications
Emerging bispecifics will offer expanded options and possibly more flexible dosing/delivery